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STM32L152RCT6 Datasheet

Ultra-low-power 32-bit MCU

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STM32L15xCC STM32L15xRC
STM32L15xUC STM32L15xVC
Ultra-low-power 32-bit 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
– 0.29µA Standby mode (3 wakeup pins)
1.15 µA Standby mode + RTC
– 0.44 µA Stop mode (16 wakeup lines)
– 1.4 µA Stop mode + RTC
– 8.6 µA Low-power run mode
– 185 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
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
Development support
– Serial wire debug supported
– JTAG and trace supported
Up to 83 fast I/Os (70 I/Os 5V tolerant), all
mappable on 16 external interrupt vectors
LQFP100 (14 × 14 mm)
LQFP64 (10 × 10 mm)
LQFP48 (7 x 7 mm)
UFBGA100 WLCSP63 UFQFPN48
(7 x 7 mm) (0.4 mm pitch) (7x7 mm)
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 devices) up
to 8x40 segments, contrast adjustment,
blinking mode, step-up converter
Rich analog peripherals (down to 1.8 V)
– 2x operational amplifiers
– 12-bit ADC 1Msps up to 25 channels
– 12-bit DAC 2 channels 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)
Up to 23 capacitive sensing channels
CRC calculation unit, 96-bit unique ID
Table 1. Device summary
Reference
Part number
STM32L151CC
STM32L151RC(1)
STM32L151UC
STM32L151VC(1)
STM32L151CCT6, STM32L151CCU6
STM32L151RCT6
STM32L151UCY6
STM32L151VCT6, STM32L151VCH6
STM32L152CC
STM32L152RC(1)
STM32L152UC
STM32L152VC(1)
STM32L152CCT6, STM32L152CCU6
STM32L152RCT6
STM32L152UCY6
STM32L152VCT6, STM32L152VCH6
1. For sales types ending with “A” and STM32L15xxC products
in WLCSP64 package, please refer to STM32L15xxC/C-A
datasheet.
August 2017
This is information on a product in full production.
DocID022799 Rev 13
1/136
www.st.com


STMicroelectronics Electronic Components Datasheet

STM32L152RCT6 Datasheet

Ultra-low-power 32-bit MCU

No Preview Available !

Contents
Contents
STM32L151xC STM32L152xC
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.10.2 Internal voltage reference (VREFINT) . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.11 DAC (digital-to-analog converter) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3.12 Operational amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
3.13 Ultra-low-power comparators and reference voltage . . . . . . . . . . . . . . . . 27
3.14 System configuration controller and routing interface . . . . . . . . . . . . . . . 27
3.15 Touch sensing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
2/136
DocID022799 Rev 13


Part Number STM32L152RCT6
Description Ultra-low-power 32-bit MCU
Maker STMicroelectronics
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STM32L152RCT6 Datasheet PDF






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