STM32L152VC STMicroelectronics, STM32L152VC Datasheet

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STM32L152VC

Manufacturer Part Number
STM32L152VC
Description
Ultra-low-power Cortex-M3 MCU with 256 Kbytes Flash, RTC, LCD, USB, ADC
Manufacturer
STMicroelectronics
Datasheet

Specifications of STM32L152VC

Operating Power Supply Range
1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V
7 Modes
Sleep, Low-power run (11 μA at 32 kHz) , Low-power sleep (4.4 μA), Stop with RTC, Stop (650 nA), Standby with RTC, Standby (300 nA)
Ultralow Leakage Per I/o
50 nA max
Fast Wakeup Time From Stop
8 μs
Core
ARM 32-bit Cortex™-M3 CPU
Dma
12-channel DMA controller
11 Timers
one 32-bit and six 16-bit general-purpose timers, two 16-bit basic timers, two watchdog timers (independent and window)

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Features
February 2012
Operating conditions
– Operating power supply range: 1.65 V to
Low power features
– 7 modes: Sleep, Low-power run (11 µA at
– Dynamic core voltage scaling down to
– Ultralow leakage per I/O: 50 nA max
– Fast wakeup time from Stop: 8 µs
– Three wakeup pins
Core: ARM 32-bit Cortex
– 32 MHz maximum frequency,
– Memory protection unit
Reset and supply management
– Low power, ultrasafe BOR (brownout reset)
– Ultralow power POR/PDR
– Programmable voltage detector (PVD)
Clock management
– 1 to 24 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– Internal 16 MHz factory-trimmed RC
– Internal 37 kHz low consumption RC
– Internal multispeed low power RC, 65 kHz
– PLL for CPU clock and USB (48 MHz)
Memories
– 256 Kbytes of Flash memory with ECC
– 8 Kbytes of data EEPROM with ECC
– 32 Kbytes of RAM
Low power calendar RTC
– Alarm, periodic wakeup from Stop/Standby
Up to 116 fast I/Os (102 of which are 5 V-
tolerant)
DMA: 12-channel DMA controller
3.6 V (without BOR) or 1.8 V to 3.6 V
32 kHz) , Low-power sleep (4.4 µA), Stop
with RTC, Stop (650 nA), Standby with
RTC, Standby (300 nA)
233 µA/MHz
33.3 DMIPS peak (Dhrystone 2.1)
to 4.2 MHz
RTC, LCD, USB, analog functions, 10 serial ports, memory I/F
Ultralow power ARM-based 32-bit MCU with 256 KB Flash,
-M3 CPU
Doc ID 022799 Rev 1
Table 1.
STM32L151xC
STM32L152xC
Reference
LCD 8 × 40 or 4 × 44 with step-up converter
2 operational amplifiers
12-bit ADC up to 1 Msps and 40 channels
– Operational amplifier output, temperature
– Operates down to 1.8 V
Two 12-bit DACs with output buffers
Two ultralow power comparators
– Window mode and wakeup capability
11 timers: one 32-bit and six 16-bit general-
purpose timers, two 16-bit basic timers, two
watchdog timers (independent and window)
Up to 12 communication interfaces
– Up to two I2C interfaces (SMBus/PMBus)
– Up to three USARTs
– Up to three SPIs (16 Mbit/s), two with I2S
– USB 2.0 full-speed interface
Up to 36 capacitive sensing channels
supporting touch, proximity, linear and rotary
sensors
32-bit CRC calculation unit, 96-bit unique ID
UFBGA132 (7 × 7 mm)
sensor and internal voltage reference
LQFP144 (20 × 20 mm)
LQFP100 (14 × 14 mm)
LQFP64 (10 × 10 mm)
Device summary
STM32L151QC STM32L151RC
STM32L151VC STM32L151ZC
STM32L152QC STM32L152RC
STM32L152VC STM32L152ZC
STM32L151xC
STM32L152xC
Part number
WLCSP64 (0.400 mm pitch)
www.st.com
1/108
1

Related parts for STM32L152VC

STM32L152VC Summary of contents

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... STM32L152xC Doc ID 022799 Rev 1 STM32L151xC STM32L152xC LQFP144 (20 × 20 mm) LQFP100 (14 × 14 mm) LQFP64 (10 × 10 mm) WLCSP64 (0.400 mm pitch) UFBGA132 (7 × 7 mm) sensor and internal voltage reference Device summary Part number STM32L151QC STM32L151RC STM32L151VC STM32L151ZC STM32L152QC STM32L152RC STM32L152VC STM32L152ZC 1/108 www.st.com 1 ...

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Contents Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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STM32L151xC, STM32L152xC 3.16.2 3.16.3 3.16.4 3.16.5 3.17 Communication interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Contents 6.3.10 6.3.11 6.3.12 6.3.13 6.3.14 6.3.15 6.3.16 6.3.17 6.3.18 6.3.19 6.3.20 6.3.21 7 Package characteristics . . . . . . . . . . . . . . . . . . . . . . . . ...

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STM32L151xC, STM32L152xC List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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List of tables Table 49. USB: full speed electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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STM32L151xC, STM32L152xC List of figures Figure 1. Ultralow power STM32L15xxC block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

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Introduction 1 Introduction This datasheet provides the ordering information and mechanical device characteristics of the medium density plus STM32L151xC and STM32L152xC ultralow power ARM Cortex™- based microcontrollers product line. Medium density plus STM32L15xxC devices are microcontrollers with a Flash memory ...

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STM32L151xC, STM32L152xC 2 Description The medium density plus ultralow power STM32L15xxC incorporates the connectivity power of the universal serial bus (USB) with the high-performance ARM Cortex core operating MHz frequency, a memory protection unit (MPU), high-speed embedded ...

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Description 2.1 Device overview Table 2. Ultralow power STM32L15xxC device features and peripheral counts Peripheral Flash - Kbytes Data EEPROM RAM - Kbytes Timers Communication interfaces GPIOs Operation amplifiers 12-bit synchronized ADC Number of channels 12-bit DAC Number of channels ...

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... STMicroelectronics microcontrollers ultralow power strategy which also includes STM8L101xx and STM8L15xx devices. The STM8L and STM32L families allow a continuum of performance, peripherals, system architecture and features. They are all based on STMicroelectronics 0.13 µm ultralow leakage process. Note: The ultralow power STM32L and general-purpose STM32Fxxxx families are pin-to-pin compatible ...

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Functional overview 3 Functional overview Figure 1. Ultralow power STM32L15xxC block diagram 12/108 STM32L151xC, STM32L152xC Doc ID 022799 Rev 1 ...

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STM32L151xC, STM32L152xC 1. Legend: AF: alternate function ADC: analog-to-digital converter BOR: brown out reset DMA: direct memory access DAC: digital-to-analog converter I²C: inter-integrated circuit multimaster interface 3.1 Low power modes The ultralow power STM32L15xxC supports dynamic voltage scaling to optimize ...

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Functional overview ● Stop mode without RTC Stop mode achieves the lowest power consumption while retaining the RAM and register contents. All clocks are stopped, the PLL, MSI RC, HSI and LSI RC, LSE and HSE crystal oscillators are disabled. ...

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STM32L151xC, STM32L152xC Nested vectored interrupt controller (NVIC) The ultralow power STM32L15xxC embeds a nested vectored interrupt controller able to handle maskable interrupt channels (not including the 16 interrupt lines of Cortex™-M3) and 16 priority levels. ● Closely ...

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Functional overview Five BOR thresholds are available through option bytes, starting from 1 reduce the power consumption in Stop mode possible to automatically switch off the internal reference voltage ( below ...

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STM32L151xC, STM32L152xC 3.4 Clock management The clock controller distributes the clocks coming from different oscillators to the core and the peripherals. It also manages clock gating for low power modes and ensures clock robustness. It features: ● Clock prescaler: to ...

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Functional overview Figure 2. Clock tree 1. For the USB function to be available, both HSE and PLL must be enabled, with the CPU running at either 24 MHz or 32 MHz. 18/108 STM32L151xC, STM32L152xC Doc ID 022799 Rev 1 ...

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STM32L151xC, STM32L152xC 3.5 Low power real-time clock and backup registers The real-time clock (RTC independent BCD timer/counter. Dedicated registers contain the sub-second, second, minute, hour (12/24 hour), week day, date, month, year, in BCD (binary-coded decimal) format. Correction ...

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Functional overview 3.7 Memories The STM32L15xxC devices have the following features: ● 32 Kbyte of embedded RAM accessed (read/write) at CPU clock speed with 0 wait states. With the enhanced bus matrix, operating the RAM does not lead to any ...

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STM32L151xC, STM32L152xC 3.10 ADC (analog-to-digital converter) A 12-bit analog-to-digital converters is embedded into STM32L15xxC devices with external channels, performing conversions in single-shot or scan mode. In scan mode, automatic conversion is performed on a selected group of ...

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Functional overview Eight DAC trigger inputs are used in the STM32L15xxC. The DAC channels are triggered through the timer update outputs that are also connected to different DMA channels. 3.12 Operational amplifier The STM32L15xxC embeds two operational amplifiers with external ...

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STM32L151xC, STM32L152xC 3.15 Touch sensing The STM32L15xxC devices provide a simple solution for adding capacitive sensing functionality to any application. Capacitive sensing technology is able to detect finger presence near an electrode which is protected from direct touch by a ...

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Functional overview 3.16.1 General-purpose timers (TIM2, TIM3, TIM4, TIM5, TIM9, TIM10 and TIM11) There are seven synchronizable general-purpose timers embedded in the STM32L15xxC devices (see Table 3 TIM2, TIM3, TIM4, TIM5 TIM2, TIM3, TIM4 are based on 16-bit auto-reload up/down ...

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STM32L151xC, STM32L152xC 3.16.5 Window watchdog (WWDG) The window watchdog is based on a 7-bit downcounter that can be set as free-running. It can be used as a watchdog to reset the device when a problem occurs clocked from ...

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Functional overview 3.18 CRC (cyclic redundancy check) calculation unit The CRC (cyclic redundancy check) calculation unit is used to get a CRC code from a 32-bit data word and a fixed generator polynomial. Among other applications, CRC-based techniques are used ...

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STM32L151xC, STM32L152xC 4 Pin descriptions Table 4. STM32L15xQC BGA132 ballout PE3 PE1 PB8 B PE4 PE2 PB9 PC13- C PE5 PE0 WKUP2 PC14- PE6- D OSC32 V SS_3 WKUP3 _IN PC15- E OSC32 VLCD V SS_6 ...

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Pin descriptions Figure 3. STM32L15xZC LQFP144 pinout 28/108 STM32L151xC, STM32L152xC Doc ID 022799 Rev 1 ...

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STM32L151xC, STM32L152xC Figure 4. STM32L15xVC LQFP100 pinout PE2 PE3 PE4 PE5 PE6-WKUP3 V LCD PC13-WKUP2 PC14-OSC32_IN PC15-OSC32_OUT VSS_5 VDD_5 PH0-OSC_IN PH1-OSC_OUT NRST PC0 PC1 PC2 PC3 VSSA VREF- VREF+ VDDA PA0-WKUP1 PA1 PA2 Figure 5. STM32L15xRC LQFP64 pinout PC14-OSC32_IN PC15-OSC32_OUT ...

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Pin descriptions Table 5. STM32L15xRC WLCSP64 ballout DD_3 PC14- B OSC32_IN PC13- C WKUP2 PH0- D OSC_IN E PC0 F PC1 G V DDA H PA2 30/108 BOOT0 PB5 SS_3 PC15- OSC32_OU PB9 ...

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STM32L151xC, STM32L152xC Table 6. STM32L15xxC pin definitions Pins Pin name PE2 PE3 PE4 PE5 PE6 ...

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Pin descriptions Table 6. STM32L15xxC pin definitions (continued) Pins Pin name REF DDA PA0-WKUP1 PA1 ...

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STM32L151xC, STM32L152xC Table 6. STM32L15xxC pin definitions (continued) Pins Pin name SS_6 DD_6 PF13 PF14 ...

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Pin descriptions Table 6. STM32L15xxC pin definitions (continued) Pins Pin name SS_8 DD_8 85 H11 PD14 86 H10 PD15 87 G10 - ...

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STM32L151xC, STM32L152xC Table 6. STM32L15xxC pin definitions (continued) Pins Pin name 115 PD1 116 PD2 117 PD3 118 PD4 119 ...

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Pin descriptions tolerant. 3. Function availability depends on the chosen device. 4. Applicable to STM32L152xC devices only. In STM32L151xC devices, this pin should be connected The PC14 and PC15 I/Os are only ...

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Table 7. Alternate function input/output AFIO0 AFIO1 AFIO2 Port name SYSTEM TIM2 TIM3/4/5 BOOT0 BOOT0 NRST NRST WKUP1/ PA0- TAMPER2 TIM2_CH1_ ETR TIM5_CH1 WKUP1 PA1 TIM2_CH2 TIM5_CH2 PA2 TIM2_CH3 TIM5_CH3 PA3 TIM2_CH4 TIM5_CH4 PA4 PA5 TIM2_CH1_ETR* PA6 TIM3_CH1 PA7 TIM3_CH2 ...

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Table 7. Alternate function input/output (continued) AFIO0 AFIO1 AFIO2 Port name SYSTEM TIM2 TIM3/4/5 PA12 PA13 JTMS-SWDIO PA14 JTCK-SWCLK PA15 JTDI TIM2_CH1_ETR PB0 TIM3_CH3 PB1 TIM3_CH4 PB2 BOOT1 PB3 JTDO TIM2_CH2 PB4 JTRST TIM3_CH1 PB5 TIM3_CH2 PB6 TIM4_CH1 PB7 TIM4_CH2 ...

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Table 7. Alternate function input/output (continued) AFIO0 AFIO1 AFIO2 Port name SYSTEM TIM2 TIM3/4/5 PB13 PB14 PB15 RTC 50/60 Hz PC0 PC1 PC2 PC3 PC4 PC5 PC6 TIM3_CH1 PC7 TIM3_CH2 PC8 TIM3_CH3 PC9 TIM3_CH4 Digital alternate function number AFIO3 AFIO4 ...

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Table 7. Alternate function input/output (continued) AFIO0 AFIO1 AFIO2 Port name SYSTEM TIM2 TIM3/4/5 PC10 PC11 PC12 WKUP2/ TAMPER1/ PC13- TIMESTAMP/ WKUP2 ALARM_OUT/51 2Hz PC14 OSC32_IN OSC32_IN PC15 OSC32_ OSC32_OUT OUT PD0 PD1 PD2 TIM3_ETR PD3 PD4 PD5 PD6 PD7 ...

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Table 7. Alternate function input/output (continued) AFIO0 AFIO1 AFIO2 Port name SYSTEM TIM2 TIM3/4/5 PD8 PD9 PD10 PD11 PD12 TIM4_CH1 PD13 TIM4_CH2 PD14 TIM4_CH3 PD15 TIM4_CH4 PE0 TIM4_ETR PE1 PE2 TRACECK TIM3_ETR PE3 TRACED0 TIM3_CH1 PE4 TRACED1 TIM3_CH2 PE5 TRACED2 ...

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Table 7. Alternate function input/output (continued) AFIO0 AFIO1 AFIO2 Port name SYSTEM TIM2 TIM3/4/5 PE12 TIM2_CH4 PE13 PE14 PE15 PF0 PF1 PF2 PF3 PF4 PF5 TIM5_CH1_ PF6 ETR PF7 TIM5_CH2 PF8 TIM5_CH3 PF9 TIM5_CH4 PF10 PF11 PF12 PF13 PF14 PF15 ...

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Table 7. Alternate function input/output (continued) AFIO0 AFIO1 AFIO2 Port name SYSTEM TIM2 TIM3/4/5 PG1 PG2 PG3 PG4 PG5 PG6 PG7 PG8 PG9 PG10 PG11 PG12 PG13 PG14 PG15 PH0OSC_ OSC_IN IN PH1OSC_ OSC_OUT OUT PH2 Digital alternate function number ...

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Memory mapping 5 Memory mapping Figure 6. Memory map 44/108 STM32L151xC, STM32L152xC Doc ID 022799 Rev 1 ...

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STM32L151xC, STM32L152xC 6 Electrical characteristics 6.1 Parameter conditions Unless otherwise specified, all voltages are referenced to V 6.1.1 Minimum and maximum values Unless otherwise specified the minimum and maximum values are guaranteed in the worst conditions of ambient temperature, supply ...

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Electrical characteristics 6.1.6 Power supply scheme Figure 9. Power supply scheme N × 100 × 4.7 µ µ µF Caution: In this figure, the 4.7 µF capacitor must be ...

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STM32L151xC, STM32L152xC 6.2 Absolute maximum ratings Stresses above the absolute maximum ratings listed in Table 9: Current characteristics, and permanent damage to the device. These are stress ratings only and functional operation of the device at these conditions is not ...

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Electrical characteristics Table 10. Thermal characteristics Symbol T STG T J 6.3 Operating conditions 6.3.1 General operating conditions Table 11. General operating conditions Symbol f Internal AHB clock frequency HCLK f Internal APB1 clock frequency PCLK1 f Internal APB2 clock ...

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STM32L151xC, STM32L152xC Table 12. Functionalities depending on the operating power supply range Operating power DAC and ADC supply range operation V = 1.65 to 1.8 V Not functional DD Conversion V = 1.8 to 2.0 V time up to 500 ...

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Electrical characteristics Table 13. Embedded reset and power control block characteristics (continued) Symbol Parameter Power on/power down reset V POR/PDR threshold V Brown-out reset threshold 0 BOR0 V Brown-out reset threshold 1 BOR1 V Brown-out reset threshold 2 BOR2 V ...

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STM32L151xC, STM32L152xC 6.3.3 Embedded internal reference voltage The parameters given in specified. Table 14. Embedded internal reference voltage Symbol Parameter (1) V Internal reference voltage REFINT out Internal reference current I REFINT consumption T Internal reference startup time VREFINT V ...

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Electrical characteristics 6.3.4 Supply current characteristics The current consumption is a function of several parameters and factors such as the operating voltage, ambient temperature, I/O pin loading, device software configuration, operating frequencies, I/O pin switching rate, program location in memory ...

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STM32L151xC, STM32L152xC Table 16. Current consumption in Run mode, code with data processing running from RAM Symbol Parameter HSE MHz, included HSE above 16 MHz (PLL ON) Supply current I in ...

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Electrical characteristics Table 17. Current consumption in Sleep mode Symbol Parameter HSE HCLK MHz, included HSE HCLK Supply above 16 MHz current in (PLL ON) Sleep mode, code executed from RAM, ...

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STM32L151xC, STM32L152xC 1. Based on characterization, not tested in production, unless otherwise specified. 2. Oscillator bypassed (HSEBYP = 1 in RCC_CR register) 3. Tested in production. Table 18. Current consumption in Low power run mode Symbol Parameter All peripherals OFF, ...

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Electrical characteristics Table 19. Current consumption in Low power sleep mode Symbol Parameter Supply current Low power (LP Sleep) sleep mode Max allowed I max current in DD (LP Sleep) Low power Sleep mode 1. Based on ...

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STM32L151xC, STM32L152xC Table 20. Typical and maximum current consumptions in Stop mode Symbol Parameter I DD Supply current in (Stop Stop mode with with RTC enabled RTC) Supply current Stop mode ( (Stop) RTC disabled) Conditions LCD ...

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Electrical characteristics Table 20. Typical and maximum current consumptions in Stop mode (continued) Symbol Parameter I DD Supply current (WU during wakeup from from Stop mode Stop) 1. Based on characterization, not tested in production, unless otherwise specified 2. LCD ...

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STM32L151xC, STM32L152xC Wakeup time from low-power mode The wakeup times given in the following table are measured with the MSI RC oscillator. The clock source used to wake up the device depends on the current operating mode: ● Sleep mode: ...

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Electrical characteristics On-chip peripheral current consumption The current consumption of the on-chip peripherals is given in the following table. The MCU is placed under the following conditions: ● all I/O pins are in input mode with a static value at ...

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STM32L151xC, STM32L152xC Low-speed external user clock generated from an external source The characteristics given in the following table result from tests performed using a low- speed external clock source, and under ambient temperature and supply voltage conditions summarized in Table ...

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Electrical characteristics Figure 12. High-speed external clock source AC timing diagram High-speed external clock generated from a crystal/ceramic resonator The high-speed external (HSE) clock can be supplied with MHz crystal/ceramic resonator oscillator. All the information given ...

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STM32L151xC, STM32L152xC Table 25. HSE 1-24 MHz oscillator characteristics Symbol f Oscillator frequency OSC_IN R Feedback resistor F Recommended load capacitance versus C equivalent serial resistance of the crystal (R I HSE driving current HSE HSE oscillator power I DD(HSE) ...

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Electrical characteristics Figure 13. HSE oscillator circuit diagram 1. R value depends on the crystal characteristics. EXT Low-speed external clock generated from a crystal/ceramic resonator The low-speed external (LSE) clock can be supplied with a 32.768 kHz crystal/ceramic resonator oscillator. ...

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STM32L151xC, STM32L152xC Note: For C and recommended to use high-quality ceramic capacitors in the range selected to match the requirements of the crystal or resonator (see C and C ...

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Electrical characteristics 6.3.6 Internal clock source characteristics The parameters given in temperature and V High-speed internal (HSI) RC oscillator Table 27. HSI oscillator characteristics Symbol Parameter f Frequency HSI HSI user-trimmed (1)(2) TRIM resolution Accuracy of the (2) ACC factory-calibrated ...

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STM32L151xC, STM32L152xC Multi-speed internal (MSI) RC oscillator Table 29. MSI oscillator characteristics Symbol Frequency after factory calibration, done at f MSI V DD ACC Frequency error after factory calibration MSI MSI oscillator frequency drift (1) D TEMP(MSI) 0 °C ≤ ...

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Electrical characteristics Table 29. MSI oscillator characteristics (continued) Symbol t MSI oscillator startup time SU(MSI) (2) t MSI oscillator stabilization time STAB(MSI) f MSI oscillator frequency overshoot OVER(MSI) 1. This is a deviation for an individual part, once the initial ...

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STM32L151xC, STM32L152xC 6.3.7 PLL characteristics The parameters given in temperature and V Table 30. PLL characteristics Symbol PLL input clock f PLL_IN PLL input clock duty cycle f PLL output clock PLL_OUT Worst case PLL lock time t PLL input ...

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Electrical characteristics Flash memory Table 32. Flash memory characteristics Symbol Parameter Operating voltage V DD Read / Write / Erase Programming time for t prog word or half-page Average current during the whole programming / erase operation I DD Maximum ...

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STM32L151xC, STM32L152xC 6.3.9 EMC characteristics Susceptibility tests are performed on a sample basis during device characterization. Functional EMS (electromagnetic susceptibility) While a simple application is executed on the device (toggling 2 LEDs through I/O ports). the device is stressed by ...

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Electrical characteristics Prequalification trials Most of the common failures (unexpected reset and program counter corruption) can be reproduced by manually forcing a low state on the NRST pin or the oscillator pins for 1 second. To complete these trials, ESD ...

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STM32L151xC, STM32L152xC Static latch-up Two complementary static tests are required on six parts to assess the latch-up performance: ● A supply overvoltage is applied to each power supply pin ● A current injection is applied to each input, output and ...

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Electrical characteristics 6.3.12 I/O port characteristics General input/output characteristics Unless otherwise specified, the parameters given in performed under the conditions summarized in compliant. Table 39. I/O static characteristics Symbol Parameter V Input low level voltage IL Standard I/O input high ...

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STM32L151xC, STM32L152xC 8. The max. value may be exceeded if negative current is injected on adjacent pins. 9. Pull-up and pull-down resistors are designed with a true resistance in series with a switchable PMOS/NMOS. This MOS/NMOS contribution to the series ...

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Electrical characteristics Input/output AC characteristics The definition and values of input/output AC characteristics are given in Table 41, respectively. Unless otherwise specified, the parameters given in performed under ambient temperature and V Table 11. Table 41. I/O AC characteristics OSPEEDRx ...

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STM32L151xC, STM32L152xC Figure 15. I/O AC characteristics definition External Output on 50pF Maximum frequency is achieved if (t 6.3.13 NRST pin characteristics The NRST pin input driver uses CMOS technology. Unless otherwise specified, the parameters given in performed under ambient ...

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Electrical characteristics Figure 16. Recommended NRST pin protection 1. The reset network protects the device against parasitic resets. 2. The user must ensure that the level on the NRST pin can go below the V Table 42. Otherwise the reset ...

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STM32L151xC, STM32L152xC 6.3.15 Communications interfaces interface characteristics Unless otherwise specified, the parameters given in performed under ambient temperature, f summarized in Table The product line I protocol with the following restrictions: SDA and SCL are not “true” ...

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Electrical characteristics 2 Figure 17 bus AC waveforms and measurement circuit 1. Measurement points are done at CMOS levels: 0.3V Table 45. SCL frequency ( External pull-up resistance For speeds around 200 ...

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STM32L151xC, STM32L152xC SPI characteristics Unless otherwise specified, the parameters given in the following table are derived from tests performed under ambient temperature, f conditions summarized in Refer to Section 6.3.11: I/O current injection characteristics input/output alternate function characteristics (NSS, SCK, ...

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Electrical characteristics Figure 18. SPI timing diagram - slave mode and CPHA = 0 NSS input t SU(NSS) CPHA= 0 CPOL=0 t w(SCKH) CPHA w(SCKL) CPOL=1 t a(SO) MISO OUT su(SI) MOSI I NPUT Figure ...

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STM32L151xC, STM32L152xC Figure 20. SPI timing diagram - master mode High NSS input CPHA= 0 CPOL=0 CPHA= 0 CPOL=1 CPHA=1 CPOL=0 CPHA=1 CPOL=1 t su(MI) MISO INP UT MOSI OUTPUT 1. Measurement points are done at CMOS levels: 0.3V USB ...

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Electrical characteristics Table 48. USB DC electrical characteristics Symbol Input levels V USB operating voltage DD (2) V Differential input sensitivity DI (2) V Differential common mode range Includes V CM (2) V Single ended receiver threshold SE Output levels ...

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STM32L151xC, STM32L152xC 6.3.16 12-bit ADC characteristics Unless otherwise specified, the parameters given in Table 50. ADC clock frequency Symbol Parameter ADC clock f ADC frequency Table 51. ADC characteristics Symbol V Power supply DDA V Positive reference voltage REF+ V ...

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Electrical characteristics Table 51. ADC characteristics (continued) Symbol t Sampling time S Total conversion time t CONV (including sampling time) Internal sample and hold C ADC capacitor External trigger frequency f TRIG Regular sequencer External trigger frequency f TRIG Injected ...

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STM32L151xC, STM32L152xC (1)(2) Table 52. ADC accuracy Symbol Parameter ET Total unadjusted error EO Offset error EG Gain error ED Differential linearity error EL Integral linearity error ENOB Effective number of bits Signal-to-noise and SINAD distorsion ratio SNR Signal-to-noise ratio ...

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Electrical characteristics Figure 22. ADC accuracy characteristics [1LSB IDEAL 4095 4094 4093 SSA Figure 23. Typical connection diagram using the ADC 1. Refer to Table 51 2. ...

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STM32L151xC, STM32L152xC Figure 24. Maximum dynamic current consumption on V conversion Sampling (n cycles) ADC clock I ref+ 700µA 300µA Table 53. R max for f AIN ADC Ts Ts (cycles) (µs) 2.4 V < V DDA 4 0.25 Not ...

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Electrical characteristics Figure 25. Power supply and reference decoupling ( and V REF+ REF– Figure 26. Power supply and reference decoupling ( and V REF+ REF– 90/108 inputs are available only on 100-pin packages. inputs are ...

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STM32L151xC, STM32L152xC 6.3.17 DAC electrical specifications Data guaranteed by design, not tested in production, unless otherwise specified. Table 54. DAC characteristics Symbol Parameter V Analog supply voltage DDA V Reference supply voltage REF+ V Lower reference voltage REF- Current consumption ...

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Electrical characteristics Table 54. DAC characteristics (continued) Symbol Parameter Offset error temperature (1) dOffset/dT coefficient (code 0x800) (1) (7) Gain Gain error Gain error temperature (1) dGain/dT coefficient (1) TUE Total unadjusted error Settling time (full scale: for a 12-bit ...

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STM32L151xC, STM32L152xC 5. Difference between the value measured at Code (0x800) and the ideal value = V 6. Difference between the value measured at Code (0x001) and the ideal value. Difference between ideal slope of the transfer function and measured ...

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Electrical characteristics Table 55. Operational amplifier characteristics (continued) Symbol Parameter GBW Bandwidth SR Slew rate AO Open loop gain R Resistive load LOAD C Capacitive load LOAD High saturation VOH SAT voltage Low saturation VOL SAT voltage ϕm Phase margin ...

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STM32L151xC, STM32L152xC 6.3.19 Temperature sensor characteristics Table 56. TS characteristics Symbol ( SENSE (1) Avg_Slope Average slope V Voltage at 110°C ±5°C 110 (3) I Current consumption DDA (TEMP) (3) t Startup time START ADC sampling time ...

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Electrical characteristics Table 58. Comparator 2 characteristics Symbol V Analog supply voltage DDA V Comparator 2 input voltage range IN t Comparator startup time START t Propagation delay d slow t Propagation delay d fast V Comparator offset error offset ...

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STM32L151xC, STM32L152xC 6.3.21 LCD controller The embeds a built-in step-up converter to provide a constant LCD reference voltage independently from the V V pin to decouple this converter. LCD Table 59. LCD controller characteristics Symbol V LCD external voltage LCD ...

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Package characteristics 7 Package characteristics 7.1 Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status ...

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STM32L151xC, STM32L152xC Figure 28. LQFP144 mm, 144-pin low-profile quad flat package outline Seating plane ccc 108 109 144 Pin 1 1 identification 1. Drawing is not to scale. ...

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Package characteristics Figure 30. LQFP100 mm, 100-pin low-profile quad flat package outline 100 26 Pin identification e 1. Drawing is not to scale. Dimensions are in millimeters. ...

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STM32L151xC, STM32L152xC Figure 32. LQFP64 mm, 64-pin low-profile quad flat package outline Drawing is not to scale. Dimensions are in millimeters. Table 62. LQFP64 mm, 64-pin low-profile quad flat ...

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Package characteristics Figure 34. UFBGA132 mm, 132-ball ultra thin, fine-pitch ball grid array package outline Side view 1. Primary datum C and seating plane are defined by the spherical crowns of the solder balls. 2. Dimension is ...

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STM32L151xC, STM32L152xC Figure 35. WLCSP64, 0.400 mm pitch wafer level chip size package outline Doc ID 022799 Rev 1 Package characteristics 103/108 ...

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Package characteristics Table 64. WLCSP64, 0.400 mm pitch wafer level chip size package mechanical data Symbol A 0.520 A1 0.170 A2 0.350 b 0.240 D 4.519 E 4.891 eee 1. Values in inches are converted from ...

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STM32L151xC, STM32L152xC 7.2 Thermal characteristics The maximum chip-junction temperature, T using the following equation: Where: max is the maximum ambient temperature in ° C, ● Θ is the package junction-to-ambient thermal resistance, in ° C/W, ● JA ● ...

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Ordering information scheme 8 Ordering information scheme For a list of available options (speed, package, etc.) or for further information on any aspect of this device, please contact your nearest ST sales office. Table 66. STM32L15xxC ordering information scheme Example: ...

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STM32L151xC, STM32L152xC 9 Revision history Table 67. Document revision history Date 21-Feb-2012 Revision 1 Initial release. Doc ID 022799 Rev 1 Revision history Changes 107/108 ...

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... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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