8-Bit MCU with Flash or ROM Memory, ADC, Two 16-Bit Timers, I2C, SPI, SCI Interface
Memories
4 K or 8 Kbytes Program memory: ROM or Single voltage extended Flash (XFlash) with read-out protection write protection and In- Circuit Programming and In-Application Programming (ICP and IAP). 10K write/erase cycles guaranteed, data retention: 20 years at 55°C.
256 bytes RAM
Clock, Reset and Supply management
Enhanced reset system
Enhanced low voltage supply supervisor (LVD) with 3 programmable levels and auxiliary voltage detector (AVD) with interrupt capability for implementing safe power-down
procedures
Clock sources: crystal/ceramic resonator oscillators, internal RC oscillator and bypass for external clock
PLL for 2x frequency multiplication
Clock-out capability
4 Power Saving Modes: Halt, Active Halt,Wait and Slow
Interrupt Management
Nested interrupt controller
10 interrupt vectors plus TRAP and RESET
22 external interrupt lines (on 2 vectors)
22 I/O Ports
22 multifunctional bidirectional I/O lines
20 alternate function lines
8 high sink outputs
4 Timers
Main Clock Controller with Real time base and Clock-out capabilities
Configurable watchdog timer
Two 16-bit timers with: 2 input captures, 2 output compares, external clock input on one timer, PWM and Pulse generator modes
3 Communication Interfaces
SPI synchronous serial interface
I2C multimaster interface (SMBus V1.1 Compliant)
SCI asynchronous serial interface
1 Analog peripheral
10-bit ADC with 6 input channels
Instruction Set
8-bit data manipulation
63 basic instructions with illegal opcode detection