STMicroelectronics STM32L162RET6TR
Ultra-low-power 32-bit MCU ARM®-based Cortex®-M3 with 512KB
Flash, 80KB SRAM, 16KB EEPROM, LCD, USB, ADC, DAC, AES
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
• AES 128-bit encryption hardware accelerator
• 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 Kbytes of Flash memory with ECC (with 2 banks of 256 Kbytes enabling RWW capability)
– 80 Kbytes of RAM
– 16 Kbytes of true EEPROM with ECC
– 128-byte backup register
• LCD driver 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
Ordering Information
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