STM32L152CBT6 STMicroelectronics, STM32L152CBT6 Datasheet - Page 7

• Manufacturer Part Number: STM32L152CBT6
• Description: MCU ARM 128KB FLASH LCD 48LQFP
• Manufacturer: STMicroelectronics
• Series: STM32r

Specifications of STM32L152CBT6

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 32MHz
• Connectivity: I²C, IrDA, LIN, SPI, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, LCD, POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Size: 128KB (128K x 8)
• Program Memory Type: FLASH
• Eeprom Size: -
• Ram Size: 16K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 3.6 V
• Data Converters: A/D 16x12b; D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-LFQFP
• Core: ARM Cortex M3
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-11197

STM32L151xx, STM32L152xx
List of figures
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Figure 40.
Figure 41.
Ultralow power STM32L15xxx block diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Clock tree . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
STM32L15xxx UFBGA100 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
STM32L15xxx TFBGA64 ballout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
STM32L15xxx LQFP100 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
STM32L15xxx LQFP64 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
STM32L15xxx LQFP48 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
STM32L15xxx UFQFPN48 pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Pin loading conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Power supply scheme. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Current consumption measurement scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Low-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
High-speed external clock source AC timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
HSE oscillator circuit diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Typical application with a 32.768 kHz crystal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
I
SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
SPI timing diagram - slave mode and CPHA = 1
SPI timing diagram - master mode
USB timings: definition of data signal rise and fall time . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
ADC accuracy characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Maximum dynamic current consumption on V
conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Power supply and reference decoupling (V
Power supply and reference decoupling (V
12-bit buffered /non-buffered DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
UFQFPN48 7 x 7 mm, 0.5 mm pitch, package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Recommended footprint (dimensions in mm)
TFBGA64 - 8 x 8 active ball array, 5 x 5 mm, 0.5 mm pitch, package outline . . . . . . . . . . 97
Recommended PCB design rules for pads (0.5 mm pitch BGA) . . . . . . . . . . . . . . . . . . . . 98
UFBGA100 - ultra fine pitch ball grid array, 7 x 7 mm, 0.50 mm pitch,
package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
LQFP100, 14 x 14 mm, 100-pin low-profile quad flat package outline . . . . . . . . . . . . . . . 100
Recommended footprint
LQFP64, 10 x 10 mm, 64-pin low-profile quad flat package outline . . . . . . . . . . . . . . . . . 101
Recommended footprint
LQFP48, 7 x 7 mm, 48-pin low-profile quad flat package outline . . . . . . . . . . . . . . . . . . . 102
Recommended footprint
2
C bus AC waveforms and measurement circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
(1)
(1)
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Doc ID 17659 Rev 4
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
REF+
REF+
(1)
REF+
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
(1)
not connected to V
connected to V
supply pin during ADC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
DDA
DDA
). . . . . . . . . . . . . . . . . 89
). . . . . . . . . . . . . . 89
List of figures
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