Product Summary

The Atmel AVR ATMEGA128A-UA is a low-power CMOS 8-bit microcontroller, which is based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATMEGA128A-UA achieves throughputs approaching 1MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

Parametrics

ATMEGA128A-UA absolute maximum ratings: (1)Operating Temperature: -55℃ to +125℃; (2)Storage Temperature: -65℃ to +150℃; (3)Voltage on any Pin except RESET with respect to Ground: -0.5V to VCC+0.5V; (4)Voltage on RESET with respect to Ground: -0.5V to +13.0V; (5)Maximum Operating Voltage: 6.0V; (6)DC Current per I/O Pin: 40.0 mA; (7)DC Current VCC and GND Pins: 200.0 - 400.0 mA.

Features

ATMEGA128A-UA features: (1)High-performance, Low-power Atmel AVR 8-bit Microcontroller; (2)Advanced RISC Architecture: 133 Powerful Instructions ?Most Single Clock Cycle Execution, 32 x 8 General Purpose Working Registers + Peripheral Control Registers, Fully Static Operation; (3)High Endurance Non-volatile Memory segments: 128KBytes of In-System Self-programmable Flash program memory, 4KBytes EEPROM; (4)JTAG (IEEE std. 1149.1 Compliant) Interface: Boundary-scan Capabilities According to the JTAG Standard, Extensive On-chip Debug Support, Programming of Flash, EEPROM, Fuses and Lock Bits through the JTAG Interface.

Diagrams

ATMEGA128A-UA block diagram

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