this is information on a product in full production. september 2014 docid025938 rev 4 1/119 stm32l051x6 stm32l051x8 access line ultra-low-power 32-bit mcu arm ? -based cortex ? -m0+, up to 64 kb flash, 8 kb sram, 2 kb eeprom, adc datasheet - production data features ? ultra-low-power platform ? 1.65 v to 3.6 v power supply ? - 40 to 125 c temperature range ? 0.27 a standby mode (2 wakeup pins) ? 0.4 a stop mode (16 wakeup lines) ? 0.8 a stop mode + rtc + 8 kb ram retention ? 139 a/mhz run mode at 32 mhz ? 3.5 s wakeup time (from ram) ? 5 s wakeup time (from flash) ? core: arm ? 32-bit cortex ? -m0+ with mpu ? from 32 khz up to 32 mhz max. ? 0.95 dmips/mhz ? reset and supply management ? ultra-safe, low-power bor (brownout reset) with 5 selectable thresholds ? ultralow power por/pdr ? programmable voltage detector (pvd) ? clock sources ? 1 to 25 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 rc ? pll for cpu clock ? pre-programmed bootloader ? usart, spi supported ? development support ? serial wire debug supported ? up to 51 fast i/os (45 i/os 5v tolerant) ? memories ? up to 64 kb flash with ecc ?8kb ram ? 2 kb of data eeprom with ecc ? 20-byte backup register ? sector protection against r/w operation ? rich analog peripherals ? 12-bit adc 1.14 msps up to 16 channels (down to 1.65 v) ? 2x ultra-low-power comparators (window mode and wake up capability, down to 1.8 v) ? 7-channel dma controller, supporting adc, spi, i2c, usart, timers ? 7x peripherals communication interface ? 2x usart (iso 7816, irda), 1x uart (low power) ? 2x spi 16 mbits/s ? 2x i2c (smbus/pmbus) ? 9x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x systick, 1x rtc, 1x 16-bit basic, and 2x watchdogs (independent/window) ? crc calculation unit, 96-bit unique id ? all packages are ecopack ? 2 table 1. device summary reference part number stm32l051x6 stm32l051c6 stm32l051k6 stm32l051r6 stm32l051t6 stm32l051x8 stm32l051c8 stm32l051k8 stm32l051r8 stm32l051t8 ufqfpn32 5x5 mm lqfp32 7x7 mm lqfp48 7x7 mm lqfp64 10x10 mm & |