Features
■ Memories – 16 to 60 Kbyte dual voltage High Density Flash (HDFlash) with readout protection capability. In-application programming and in-circuit programming for HDFlash devices – 512 to 2048 bytes RAM – HDFlash endurance: 100 cycles, data retention 20 years
■ Clock, reset and supply management – Enhanced low voltage supervisor (LVD) for main supply and auxiliary voltage detector (AVD) with interrupt capability – Clock sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock – PLL for 2x frequency multiplication – 4 power saving modes: Halt, Active Halt, Wait and Slow – Clock security system
■ Interrupt management – Nested interrupt controller – 14 interrupt vectors plus TRAP and RESET – Top Level Interrupt (TLI) pin on 64-pin devices – 9/6 external interrupt lines (on 4 vectors)
■ 1 analog peripheral (low current coupling) – 10-bit ADC with up to 16 input ports
■ Up to 48 I/O ports – 48/32/24 multifunctional bidirectional I/O lines – 34/22/17 alternate function lines – 16/12/10 high sink outputs
■ 5 timers – Main clock controller with Real-time base, Beep and Clock-out capabilities – Configurable watchdog timer – Two 16-bit timers with 2 input captures, 2 output compares, external clock input on 1 timer, PWM and pulse generator modes – 8-bit PWM auto-reload timer with 2 input captures, 4 PWM outputs, output compare and time base interrupt, external clock with event detector
■ 3 communications interfaces – SPI synchronous serial interface – SCI asynchronous serial interface – I2C multimaster interface
■ Instruction set – 8-bit data manipulation – 63 basic instructions – 17 main addressing modes – 8x8 unsigned multiply instruction
■ Development tools – Full hardware/software development