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STM32L151ZC Datasheet

Ultra-low-power 32b MCU

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STM32L15xQC STM32L15xRC-A
STM32L15xVC-A STM32L15xZC
Ultra-low-power 32b MCU Arm®-based Cortex®-M3, 256KB Flash,
32KB SRAM, 8KB EEPROM, LCD, USB, ADC, DAC
Datasheet - production data
Features
Ultra-low-power platform
– 1.65 V to 3.6 V power supply
-40°C to 105°C temperature range
– 305 nA standby mode (3 wakeup pins)
– 1.15 µA standby mode + RTC
– 0.475 µA stop mode (16 wakeup lines)
– 1.35 µA stop mode + RTC
– 11 µA Low-power run mode
– 230 µA/MHz run mode
– 10 nA ultra-low I/O leakage
– 8 µs wakeup time
Core: Arm® Cortex®-M3 32-bit CPU
– From 32 kHz up to 32 MHz max
– 1.25 DMIPS/MHz (Dhrystone 2.1)
– Memory protection unit
Up to 23 capacitive sensing channels
CRC calculation unit, 96-bit unique ID
Reset and supply management
– Low-power, ultrasafe BOR (brownout reset)
with 5 selectable thresholds
– Ultra-low-power POR/PDR
– Programmable voltage detector (PVD)
Clock sources
– 1 to 24 MHz crystal oscillator
– 32 kHz oscillator for RTC with calibration
– High Speed Internal 16 MHz factory-
trimmed RC (+/- 1%)
– Internal low-power 37 kHz RC
– Internal multispeed low-power 65 kHz to
4.2 MHz
– PLL for CPU clock and USB (48 MHz)
Pre-programmed bootloader
– USB and USART supported
Serial wire debug, JTAG and trace
Up to 116 fast I/Os (102 I/Os 5V tolerant), all
mappable on 16 external interrupt vectors
LQFP144 (20 × 20 mm)
LQFP100 (14 × 14 mm)
LQFP64 (10 × 10 mm)
UFBGA132
(7 × 7 mm)
WLCSP64
(0.4 mm pitch)
Memories
– 256 Kbytes of Flash memory with ECC
– 32 Kbytes of RAM
– 8 Kbytes of true EEPROM with ECC
– 128-byte backup register
LCD driver (except STM32L151xC/C-A
devices) up to 8x40 segments, contrast
adjustment, blinking mode, step-up converter
Rich analog peripherals (down to 1.8V)
– 2x operational amplifiers
– 12-bit ADC 1 Msps up to 40 channels
– 12-bit DAC 2 ch with output buffers
– 2x ultra-low-power-comparators
(window mode and wake up capability)
DMA controller 12x channels
9x peripheral communication interfaces
– 1x USB 2.0 (internal 48 MHz PLL)
– 3x USARTs
– Up to 8x SPIs (2x I2S, 3x 16 Mbit/s)
– 2x I2Cs (SMBus/PMBus)
11x timers: 1x 32-bit, 6x 16-bit with up to 4
IC/OC/PWM channels, 2x 16-bit basic timers,
2x watchdog timers (independent and window)
Table 1. Device summary
Reference
Part numbers
STM32L151QC
STM32L151RC-A
STM32L151VC-A
STM32L151ZC
STM32L152QC
STM32L152RC-A
STM32L152VC-A
STM32L152ZC
STM32L151QCH6
STM32L151RCT6A, STM32L151RCY6
STM32L151VCT6A
STM32L151ZCT6
STM32L152QCH6
STM32L152RCT6A
STM32L152VCT6A
STM32L152ZCT6
October 2017
This is information on a product in full production.
DocID026119 Rev 7
1/134
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STMicroelectronics Electronic Components Datasheet

STM32L151ZC Datasheet

Ultra-low-power 32b MCU

No Preview Available !

Contents
Contents
STM32L151xC/C-A STM32L152xC/C-A
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.1 Device overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
2.2 Ultra-low-power device continuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2.1 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2.2 Shared peripherals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2.3 Common system strategy. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.2.4 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3 Functional overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.1 Low-power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.2 Arm® Cortex®-M3 core with MPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3.3 Reset and supply management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3.1 Power supply schemes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3.2 Power supply supervisor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.3.3 Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.3.4 Boot modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.4 Clock management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.5 Low-power real-time clock and backup registers . . . . . . . . . . . . . . . . . . . 23
3.6 GPIOs (general-purpose inputs/outputs) . . . . . . . . . . . . . . . . . . . . . . . . . 23
3.7 Memories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.8 DMA (direct memory access) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
3.9 LCD (liquid crystal display) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.10 ADC (analog-to-digital converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.10.1 Temperature sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
3.10.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.11 DAC (digital-to-analog converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.12 Operational amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.13 Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 27
3.14 System configuration controller and routing interface . . . . . . . . . . . . . . . 27
3.15 Touch sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2/134
DocID026119 Rev 7


Part Number STM32L151ZC
Description Ultra-low-power 32b MCU
Maker STMicroelectronics
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STM32L151ZC Datasheet PDF






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