STM32L071RZT6

Access line ultra-low-power 32-bit MCU Arm -based Cortex -M0+, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, ADC

Key features

• Ultra-low-power platform
• 1.65 V to 3.6 V power supply
• -40 to 125 ℃ temperature range
• 0.29 μA Standby mode (3 wakeup pins)
• 0.43 μA Stop mode (16 wakeup lines)
• 0.86 μA Stop mode + RTC + 20 KB RAM retention
• Down to 93 μA/MHz in Run mode
• 5 μs wakeup time (from Flash memory)
• 41 μA 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
• Memories
• Up to 192 KB Flash memory with ECC (2 banks with read-while-write capability)
• 20 KB RAM
• 6 KB of data EEPROM with ECC
• 20-byte backup register
• Sector protection against R/W operation
• Up to 84 fast I/Os (78 I/Os 5V tolerant)
• 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
• PLL for CPU clock
• Pre-programmed bootloader – USART, I2C, SPI supported
• Development support – Serial wire debug supported
• 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 1.65 V)
• 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
• Up to 10x peripheral communication interfaces
• 4x USART (2 with ISO 7816, IrDA)
• 1x UART (low power)
• Up to 6x SPI 16 Mbits/s
• 3x 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
• 2x watchdogs (independent/window)
• CRC calculation unit, 96-bit unique ID
• All packages are ECOPACK2