ST72C254G

www.DataSheet4U.com ST72104G, ST72215G, ST72216G, ST72254G 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, I2C INTERFACES PRELIMINARY DATA s s s s s s s Memories – 4K or 8K bytes Program memory (ROM and single voltage FLASH) with read-out protection and in-situ programming (remote ISP) – 256 bytes RAM Clock, Reset and Supply Management – Enhanced reset system – Enhanced low voltage supply supervisor with 3 programmable levels – Clock sources: crystal/ceramic resonator oscillators or RC oscillators, external clock, backup Clock Security System – Clock-out capability – 3 Power Saving Modes: Halt, Wait and Slow Interrupt Management – 7 interrupt vectors plus TRAP and RESET – 22 external interrupt lines (on 2 vectors) 22 I/O Ports – 22 multifunctional bidirectional I/O lines – 14 alternate function lines – 8 high sink outputs 3 Timers – 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 (one only on ST72104Gx and ST72216G1) 2 Communications Interfaces – SPI synchronous serial interface – I2C multimaster interface (only on ST72254Gx) 1 Analog peripheral – 8-bit ADC with 6 input channels (except on ST72104Gx) SDIP32 SO28 s Instruction Set – 8-bit data manipulation – 63 basic instructions – 17 main addressing modes – 8 x 8 unsigned multiply instruction – True bit manipulation Development Tools – Full hardware/software development package s Devic...