STM32L151C8T6 LQFP-48


Ultra-low-power Arm Cortex-M3 MCU with 64 Kbytes of Flash memory, 32 MHz CPU, USB



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Ultra-low-power platform

1.65 V to 3.6 V power supply

-40°C to 85°C/105°C temperature range

0.3 μA Standby mode (3 wakeup pins)

0.9 μA Standby mode + RTC

0.57 μA Stop mode (16 wakeup lines)

1.2 μA Stop mode + RTC

9 μA Low-power run mode

214 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

Ultra-safe, low-power 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

USART supported

Development support

Serial wire debug supported

JTAG and trace supported

Up to 83 fast I/Os (73 I/Os 5V tolerant), all mappable on 16 external interrupt vectors


Up to 128 Kbytes Flash memory with ECC

Up to 16 Kbytes RAM

Up to 4 Kbytes of true EEPROM with ECC

80-byte backup register

LCD Driver (except STM32L151x/6/8/B devices) for up to 8x40 segments

Support contrast adjustment

Support blinking mode

Step-up converter on board

Rich analog peripherals (down to 1.8 V)

12-bit ADC 1 Msps up to 24 channels

12-bit DAC 2 channels with output buffers

2x ultra-low-power-comparators(window mode and wake up capability)

DMA controller 7x channels

8x peripheral communication interfaces

1x USB 2.0 (internal 48 MHz PLL)

3x USARTs (ISO 7816, IrDA)

2x SPIs 16 Mbit/s

2x I2Cs (SMBus/PMBus)

10x timers: 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)

Up to 20 capacitive sensing channels supporting touchkey, linear and rotary touch sensors

CRC calculation unit, 96-bit unique ID

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