ATMEGA644P-AUTOMOTIVE数据手册Microchip中文资料规格书

描述 Description

The high-performance Microchip picoPower 8-bit AVR RISC-based microcontroller combines 64KB ISP flash memory with read-while-write capabilities, 2KB EEPROM, 4KB SRAM, 32 general purpose I/O lines, 32 general purpose working registers, real time counter, three flexible timer/counters with compare modes and PWM, 2 USARTs, byte oriented 2-wire serial interface, 8-channel/10-bit A/D converter with optional differential input stage with programmable gain, programmable watchdog timer with internal oscillator, SPI serial port, JTAG (IEEE 1149.1 compliant) interface for on-chip debugging and programming, and six software selectable power saving modes. The device operates between 2.7-5.5 volts. By executing powerful instructions in a single clock cycle, the device achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processor speed

特性 Features

·Advanced RISC architecture·131 powerful Instructions – most single-clock cycle execution
·32 x 8 general purpose working registers
·Fully static operation
·Up to 16 MIPS throughput at 16MHz
·On-chip 2-cycle multiplier