ATMEGA1284 AVR Microcontroller

The device operates between 1.8-5.5 volts.

The high-performance Atmel 8-bit AVR RISC-based microcontroller combines 128KB ISP flash memory with read-while-write capabilities, 4KB EEPROM, 16KB SRAM, 32 general purpose I/O lines, 32 general purpose working registers, a real time counter, three flexible timer/counters with compare modes and PWM, two USARTs, a byte oriented 2-wire serial interface, an 8-channel 10-bit A/D converter with optional differential input stage with programmable gain, programmable watchdog timer with internal oscillator, SPI serial port, a JTAG (IEEE 1149.1 compliant) test interface for on-chip debugging and programming, and six software selectable power saving modes.

Features of ATMEGA1284

• 40-pin AVR Microcontroller

• Flash Program Memory : 128 kbytes

• EEPROM Data Memory : 4 kbytes

• SRAM Data Memory : 16 kbytes

• I/O Pins : 32

• Timers : Two 8-bit / Two 16-bit

• A/D Converter : 10-bit Eight Channel

• PWM : Six Channels

• RTC : Yes with Separate Oscillator

• MSSP : SPI and I²C Master and Slave Support

• USART : Yes Two Channels

• External Oscillator : up to 20MHz

Applications of ATMEGA1284

• Clock & Timing;

• Embedded Design & Development;

• Imaging, Video & Vision;

• Industrial;

• Motor Drive & Control;

• Multimedia;

• Portable Devices;

• Sensing & Instrumentation;

• Wireless