FEATURES
/ Benefits D 4-Kbyte EEPROM program memory D EEPROM programmable options D Read protection for the EEPROM program memory D 16 bidirectional I/Os D Up to 7 external / internal interrupt sources D 8 hardware and software interrupt priorities D Multifunction timer/counter with prescaler/interval timer D Programmable system-clock with prescaler and five different clock sources V SS VDD D Wide supply voltage range (1.8 to 6.5 V) D Very low sleep current (< 1 µA) D 2 D 256 512 bit EEPROM data memory 4 bit RAM data memory D Synchronous serial interface (2-wire, I2C, 3-wire) D Watchdog, POR and brown-out function D Voltage monitoring incl. Lo_BAT detect D Multi-chip link for U3280M OSC1 OSC2 Brown-out protect. RESET Voltage monitor External input VMI BP10 Port 1 BP13 BP20/NTE Data direction Port 2 BP21 BP22 BP23 External RC Crystal oscillators oscillators clock input Clock management UTCM Timer 1 interval- and watchdog timer Timer 2 8/12-bit timer with modulator SSI Serial interface T...
Atmel
