STM32L15xQC STM32L15xRC-A STM32L15xVC-A STM32L15xZC 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 -40C to 105C temperature range LQFP144 (20 20 mm) UFBGA132 WLCSP64 LQFP100 (14 14 mm) (7 7 mm) 305 nA standby mode (3 wakeup pins) (0.4 mm pitch) LQFP64 (10 10 mm) 1.15 A standby mode + RTC 0.475 A stop mode (16 wakeup lines) 1.35 A stop mode + RTC Up to 116 fast I/Os (102 I/Os 5V tolerant), all 11 A Low-power run mode mappable on 16 external interrupt vectors 230 A/MHz run mode Memories 10 nA ultra-low I/O leakage 256 Kbytes of Flash memory with ECC 8 s wakeup time 32 Kbytes of RAM Core: Arm Cortex -M3 32-bit CPU 8 Kbytes of true EEPROM with ECC From 32 kHz up to 32 MHz max 128-byte backup register 1.25 DMIPS/MHz (Dhrystone 2.1) LCD driver (except STM32L151xC/C-A Memory protection unit devices) up to 8x40 segments, contrast Up to 23 capacitive sensing channels adjustment, blinking mode, step-up converter CRC calculation unit, 96-bit unique ID Rich analog peripherals (down to 1.8V) 2x operational amplifiers Reset and supply management 12-bit ADC 1 Msps up to 40 channels Low-power, ultrasafe BOR (brownout reset) with 5 selectable thresholds 12-bit DAC 2 ch with output buffers Ultra-low-power POR/PDR 2x ultra-low-power-comparators (window mode and wake up capability) Programmable voltage detector (PVD) Clock sources DMA controller 12x channels 1 to 24 MHz crystal oscillator 9x peripheral communication interfaces 32 kHz oscillator for RTC with calibration 1x USB 2.0 (internal 48 MHz PLL) High Speed Internal 16 MHz factory- 3x USARTs trimmed RC (+/- 1%) Up to 8x SPIs (2x I2S, 3x 16 Mbit/s) Internal low-power 37 kHz RC 2x I2Cs (SMBus/PMBus) Internal multispeed low-power 65 kHz to 11x timers: 1x 32-bit, 6x 16-bit with up to 4 4.2 MHz IC/OC/PWM channels, 2x 16-bit basic timers, PLL for CPU clock and USB (48 MHz) 2x watchdog timers (independent and window) Pre-programmed bootloader USB and USART supported Serial wire debug, JTAG and trace September 2021 DS10262 Rev 8 1/134 This is information on a product in full production. www.st.comSTM32L151xC/C-A STM32L152xC/C-A Table 1. Device summary Reference Part numbers STM32L151QC STM32L151QCH6 STM32L151RC-A STM32L151RCT6A, STM32L151RCY6 STM32L151VC-A STM32L151VCT6A STM32L151ZC STM32L151ZCT6 STM32L152QC STM32L152QCH6 STM32L152RC-A STM32L152RCT6A STM32L152VC-A STM32L152VCT6A STM32L152ZC STM32L152ZCT6 2/134 DS10262 Rev 8