STM32L151R6 STMicroelectronics, STM32L151R6 Datasheet - Page 2
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STM32L151R6
Manufacturer Part Number
STM32L151R6
Description
Ultra-low-power ARM Cortex-M3 MCU with 32 Kbytes Flash, 32 MHz CPU, LCD, USB
Manufacturer
STMicroelectronics
Datasheet
1.STM32L152VB.pdf
(109 pages)
Specifications of STM32L151R6
Operating Power Supply Range
1.65 V to 3.6 V (without BOR) or 1.8 V to 3.6 V (with BOR option)
Temperature Range
–40 to 85 °C
4 Modes
Sleep, Low-power run (9 μA at 32 kHz), Low-power sleep (4.4 μA),Stop with RTC (1.45 μA), Stop (570 nA), Standby (300 nA)
Ultralow Leakage Per I/o
50 nA
Fast Wakeup From Stop
8 μs
Core
ARM 32-bit Cortex™-M3 CPU
Dma
7-channel DMA controller, supporting timers, ADC, SPIs, I2Cs and USARTs
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STM32L151R6H6
Manufacturer:
STM
Quantity:
640
Company:
Part Number:
STM32L151R6H6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
STM32L151R6T6
Manufacturer:
STMicroelectronics
Quantity:
110
Company:
Part Number:
STM32L151R6T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Contents
Contents
1
2
3
2/109
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1
2.2
Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
ADC (analog-to-digital converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
DAC (digital-to-analog converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Routing interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Timers and watchdogs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Ultralow power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.2.1
2.2.2
2.2.3
2.2.4
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
ARM® Cortex™-M3 core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.3.1
3.3.2
3.3.3
3.3.4
Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Low power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 18
GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . . 18
Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DMA (direct memory access) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
LCD (liquid crystal display) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Ultralow power comparators and reference voltage . . . . . . . . . . . . . . . . . 21
3.14.1
3.14.2
3.14.3
3.14.4
Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Shared peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Common system strategy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
General-purpose timers (TIM2, TIM3, TIM4, TIM9, TIM10 and TIM11) 22
Basic timers (TIM6 and TIM7) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
SysTick timer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Independent watchdog (IWDG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Doc ID 17659 Rev 6
STM32L151xx, STM32L152xx