Atmel ATMEGA1284P Manuals

This document introduces the features of ATmega4809AVR® 8-bit microcontroller. The microcontroller has high performance, low power consumption, up to 20 MIPS throughput, 128K bytes of in-system self-programmable Flash memory, 4K bytes EEPROM memory, 16K bytes internal SRAM memory, JTAG interface, two 8-bit timers/counters, two 16-bit timers/counters, independent oscillator, six PWM channels, 8 channels, 10-bit ADC differential mode, two programmable serial USART, master/slave SPI serial interface, programmable watchdog timer, independent on-chip oscillator, on-chip analog comparator, interrupt and pin change wake-up function and so on.

This datasheet mainly introduces the characteristics and functions of the AVR® ATmega128A 8-bit microcontroller, including 131 powerful instructions, 32 x 8 general purpose registers, 20 MHz clock frequency at 20 MIPS throughput, 128K bytes of In-System Self-Programmable Flash, 4K bytes of EEPROM, 16K bytes of Internal SRAM and so on.