Features
■ Memories – up to 16 Kbytes Program memory: single voltage extended Flash (XFlash) with read- out and write protection, in-circuit and in- application programming (ICP and IAP). 10,000 write/erase cycles guaranteed, data retention: 20 years at 55 °C. – up to 1 Kbyte RAM – 256 bytes data EEPROM with readout protection. 300,000 write/erase cycles guaranteed, data retention: 20 years at 55 °C.
■ Clock, reset and supply management – Power on / power off safe reset with 3 programmable threshold levels (LVD) – Auxiliary voltage detector (AVD) – Clock sources: crystal/ceramic resonator oscillators, high-accuracy internal RC oscillator or external clock – PLL for 4x or 8x frequency multiplication – 5 power-saving modes: Slow, Wait, Halt, Auto-wakeup from Halt and Active-halt – Clock output capability (fCPU)
■ Interrupt management – Nested interrupt controller – 10 interrupt vectors plus TRAP and RESET – 9 external interrupt lines on 4 vectors
■ Up to 34 I/O ports – up to 34 multifunctional bidirectional I/O lines – up to 12 high sink outputs (10 on 32-pin devices)
■ 4 timers – Configurable window watchdog timer – Real-time base – 16-bit timer A with: 1 input capture, 1 output compare, external clock input, PWM and pulse generator modes – 16-bit timer B with: 2 input captures, 2 output compares, PWM and pulse generator modes
■ 3 communication interfaces – I2C multimaster / slave – I2C slave 3 addresses, no stretch, with DMA access and byte pair coherency on I²C read – SCI asynchronous serial interface (LIN compatible) – SPI synchronous serial interface
■ 1 analog peripheral – 10-bit ADC with 12 input channels (8 on 32-