this is information on a product in full production. march 2016 docid027070 rev 3 1/139 stm32l083x8 stm32l083xb stm32l083xz ultra-low-power 32-bit mcu arm ? -based cortex ? -m0+, up to 192kb flash, 20kb sram, 6k b eeprom, lcd, us b, adc, dacs, aes datasheet - production data features ? ultra-low-power platform ? 1.65 v to 3.6 v power supply ? - 40 to 125 c temperature range ? 0.29 a standby mode (3 wakeup pins) ? 0.43 a stop mode (16 wakeup lines) ? 0.86 a stop mode + rtc + 20 kb ram retention ? down to 93 a/mhz in run mode ? 5 s wakeup time (from flash memory) ? 41 a 12-bit adc conversion at 10 ksps ? 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 ? ultra-low-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 ? internal self calibration of 48 mhz rc for usb ? pll for cpu clock ? pre-programmed bootloader ? usb, usart supported ? development support ? serial wire debug supported ? up to 84 fast i/os (78 i/os 5v tolerant) ? memories ? up to 192 kb flash memory with ecc (2 banks with read-while-write capability) ? 20kb ram ? 6 kb of data eeprom with ecc ? 20-byte backup register ? sector protection against r/w operation ? lcd driver for up to 4x52 or 8x48 segments ? support contrast adjustment ? support blinking mode ? step-up converted on board ? rich analog peripherals ? 12-bit adc 1.14 msps up to 16 channels (down to 1.65 v) ? 2 x 12-bit channel dacs with output buffers (down to 1.8 v) ? 2x ultra-low-power comparators (window mode and wake up capability, down to 1.65 v) ? up to 24 capacitive sensing channels supporting touchkey, linear and rotary touch sensors ? 7-channel dma controller, supporting adc, spi, i2c, usart, dac, timers , aes ? 11x peripheral communication interfaces ? 1x usb 2.0 crystal-less, battery charging detection and lpm ? 4 x usart ( 2 with iso 7816, irda), 1x uart (low power) ? up to 6x spi 16 mbits/s ? 3 x i2c ( 2 with smbus/pmbus) ? 11x timers: 2x 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, 2x 16-bit basic for dac, and 2x watchdogs (independent/window) ? crc calculation unit, 96-bit unique id ? true rng and firewall protection ? hardware encryption engine aes 128-bit ? all packages are ecopack ? 2 table 1. device summary reference part number stm32l083x8 stm32l083v8 stm32l083xb STM32L083CB, stm32l083vb, stm32l083rb stm32l083xz stm32l083cz, stm32l083vz, stm32l083rz lqfp48 7x7 mm lqfp64 10x10 mm lqfp100 14x14 mm & |