STM32L151VET6

Ultra-low-power 32-bit MCU based on ARM Cortex-M3, with 512KB Flash, 80KB SRAM, 16KB EEPROM, LCD, USB, ADC, and DAC.

Key features

• Ultra-low-power platform
• 1.65 V to 3.6 V power supply
• -40°C to 105°C temperature range
• 290 nA Standby mode (3 wakeup pins)
• 1.11 μA Standby mode + RTC
• 560 nA Stop mode (16 wakeup lines)
• 1.4 μA Stop mode + RTC
• 11 μA Low-power run mode down to 4.6 μA in Low-power sleep mode
• 195 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
• Up to 34 capacitive sensing channels
• CRC calculation unit, 96-bit unique ID
• Reset and supply management
• Low-power, ultrasafe 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
• Internal 16 MHz oscillator factory trimmed RC (+/- 1%) with PLL option
• Internal low-power 37 kHz oscillator
• Internal multispeed low-power 65 kHz to 4.2 MHz oscillator
• PLL for CPU clock and USB (48 MHz)
• Pre-programmed bootloader
• USB and USART supported
• Up to 116 fast I/Os (102 I/Os 5V tolerant), all mappable on 16 external interrupt vectors
• Memories
• 512 KB Flash memory with ECC (with 2 banks of 256 KB enabling RWW capability)
• 80 KB RAM
• 16 KB of true EEPROM with ECC
• 128 Byte backup register
• LCD driver (except STM32L151xE devices) up to 8x40 segments, contrast adjustment, blinking mode, step-up converter
• Rich analog peripherals (down to 1.8 V)
• 2x operational amplifiers
• 12-bit ADC 1 Msps up to 40 channels
• 12-bit DAC 2 ch with output buffers
• 2x ultra-low-power comparators (window mode and wake up capability)
• DMA controller 12x channels
• 11x peripheral communication interfaces
• 1x USB 2.0 (internal 48 MHz PLL)
• 5x USARTs
• Up to 8x SPIs (2x I2S, 3x 16 Mbit/s)
• 2x I2Cs (SMBus/PMBus)
• 11x timers: 1x 32-bit, 6x 16-bit with up to 4 IC/OC/PWM channels, 2x 16-bit basic timers, 2x watchdog timers (independent and window)
• Development support: serial wire debug, JTAG and trace