This is information on a product in full production.

October 2017 DocID022027 Rev 12 1/155

STM32L151xD STM32L152xD

Ultra-low-power 32-bit MCU Arm

®

Cortex

®

-M3, 384KB Flash, 48KB

SRAM, 12KB EEPROM, LCD, USB, ADC, DAC, memory I/F

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 ma

x

– 33.3 DMIPS peak (Dhrystone 2.1)

– Memory protection unit

• Up to 34 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

• Memories

– 384 Kbytes of Flash memory with ECC

(with 2 banks of 192 Kbytes enabling Rww

capability)

– 48 Kbytes of RAM

– 12 Kbytes of true EEPROM with ECC

– 128-byte backup register

– Memory interface controller supporting

SRAM, PSRAM and NOR Flash

• LCD driver (except STM32L151xD devices) up

to 8x40 segments, contrast adjustm

ent,

blinking mode, step-up converter

• Rich analog peripherals (down to 1.8V)

– 3x 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 wakeup capability)

• DMA controller 12x channels

• 12x peripheral communication interfaces

– 1x USB 2.0 (internal 48 MHz PLL)

– 5x USARTs

– Up to 8x SPIs (2x I2S, 3x 16 Mbit/s)

– 2x I2Cs (SMBus/PMBus)

– 1x SDIO interface

• 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 number

STM32L151xD

STM32L151QD, STM32L151RD,

STM32L151VD, STM32L151ZD

STM32L152xD

STM32L152QD, STM32L152RD,

STM32L152VD, STM32L152ZD

LQFP144 (20 × 20 mm)

LQFP100 (14 × 14 mm)

LQFP64 (10 × 10 mm)

UFBGA132

(7 × 7 mm)

WLCSP64

(0.4 mm pitch)

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