One high-speed comparator (COMP) with 8-bit reference DAC
40-ns propagation delay in high-speed mode
Support low-power mode operation (1 µA)
Integrated temperature sensor
Optimized low-power modes
RUN: 96 µA/MHz (CoreMark)
STOP: 200 µA at 4 MHz and 45 µA at 32 kHz
STANDBY: 1.1 µA with SRAM retention
SHUTDOWN: 83 nA with IO wakeup capability
Intelligent digital peripherals
3-channel DMA controller
Four 16-bit general-purpose timers, each with two capture/compare registers supporting low-power operation in STANDBY mode, supporting a total of 8 PWM channels
Windowed watchdog timer
Enhanced communication interfaces
Two UART interfaces; one supports LIN, IrDA, DALI, Smart Card, Manchester and both support low-power operation in STANDBY mode
Two I2C interfaces; one supports FM+ (1 Mbit/s) and both support SMBus, PMBus, and wakeup from STOP mode
One SPI supports up to 16 Mbit/s
Clock system
Internal 4- to 32-MHz oscillator with up to ±1% accuracy (SYSOSC)
Internal 32-kHz low-frequency oscillator (LFOSC)
Data integrity
Cyclic redundancy checker (CRC-16 or CRC-32)
Flexible I/O features
Up to 28 GPIOs
Two 5-V-tolerant open-drain IOs with fail-safe protection