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1 / 141 page  March 2008 Rev. 3 1/141 ST72104Gx, ST72215Gx, ST72216Gx, ST72254Gx 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, I2C INTERFACES ■ Memories – 4K or 8K bytes Program memory (ROM and single voltage FLASH) with read-out protec- tion 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 os- cillators 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 out- put compares, external clock input on one tim- er, 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) ■ 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 Device Summary SDIP32 SO28 Features ST72104G1 ST72104G2 ST72216G1 ST72215G2 ST72254G1 ST72254G2 Program memory - bytes 4K 8K 4K 8K 4K 8K RAM (stack) - bytes 256 (128) Peripherals Watchdog timer, One 16-bit timer, SPI Watchdog timer, One 16-bit timer, SPI, ADC Watchdog timer, Two 16-bit timers, SPI, ADC Watchdog timer, Two 16-bit timers, SPI, I²C, ADC Operating Supply 3.2V to 5.5V CPU Frequency Up to 8 MHz (with oscillator up to 16 MHz) Operating Temperature 0°C to 70°C / -10°C to +85°C (-40°C to +85°C / -40°C to105°C / -40°C to 125°C optional) Packages SO28 / SDIP32 1 |
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