STM32L100R8T6A

Ultra-low-power 32-bit MCU based on ARM® Cortex®-M3, featuring 128KB Flash, 16KB SRAM, 2KB EEPROM, with LCD, USB, ADC, and DAC support.

Key features

• Ultra-low-power platform – 1.8 V to 3.6 V power supply – -40°C to 85°C temperature range – 0.28 μA Standby mode (2 wakeup pins) – 1.11 μA Standby mode + RTC – 0.44 μA Stop mode (16 wakeup lines) – 1.38 μA Stop mode + RTC – 10.9 μA Low-power Run mode – 185 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 max 1.25 DMIPS/MHz (Dhrystone 2.1) – Memory protection unit
• 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 24 MHz crystal oscillator 32 kHz oscillator for RTC with calibration – High Speed Internal 16 MHz 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 – USART supported
• Development support – Serial wire debug supported – JTAG and trace supported
• Up to 51 fast I/Os (42 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
• Memories – Up to 128 Kbytes of Flash memory with ECC Up to 16 Kbytes of RAM Up to 2 Kbytes of true EEPROM with ECC – 20-byte backup register
• LCD Driver for up to 8x28 segments – Support contrast adjustment – Support blinking mode – Step-up converter on board
• Rich analog peripherals (down to 1.8 V) – 12-bit ADC 1 Msps up to 24 channels 12-bit DAC 2 channels with output buffers 2x ultra-low-power comparators (window mode and wakeup capability)
• DMA controller 7x channels
• 8x peripheral communication interfaces – 1x USB 2.0 (internal 48 MHz PLL) – 3x USART (ISO 7816, IrDA) – 2x SPI 16 Mbit/s – 2x I2C (SMBus/PMBus)
• 10x timers: 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)
• CRC calculation unit