The ATMEGA164A-MUR is a high-performance, low-power Atmel<sup>® 8-bit AVR<sup>® RISC-based microcontroller from Microchip Technology. This versatile microcontroller combines 16KB ISP flash memory, 1KB EEPROM, 2KB SRAM, 32 general purpose I/O lines, 32 general purpose working registers, a real-time counter, three flexible timer/counters with compare modes, internal and external interrupts, serial programmable USART, a byte-oriented 2-wire serial interface, SPI serial port, a 6-channel 10-bit A/D converter (8 channels in TQFP and QFN/MLF packages), programmable watchdog timer with internal oscillator, and five software selectable power saving modes.

The device operates at a frequency of up to 20MHz with a voltage range of 1.8-5.5 volts. By executing powerful instructions in a single clock cycle, the ATMEGA164A-MUR achieves throughputs approaching 1 MIPS per MHz, balancing power consumption and processing speed.

Key Features:

• Advanced RISC Architecture
• 131 Powerful Instructions – Most Single Clock Cycle Execution
• 32 x 8 General Purpose Working Registers + Peripheral Control Registers
• Fully Static Operation
• Up to 20 MIPS Throughput at 20MHz
• On-chip 2-cycle Multiplier

High Endurance Non-volatile Memory Segments:

• 16KB of In-System Self-programmable Flash program memory
• 1KB EEPROM
• 2KB Internal SRAM
• Write/Erase Cycles: 10,000 Flash/100,000 EEPROM
• Data retention: 20 years at 85°C/100 years at 25°C(1)

Special Microcontroller Features:

• Power-on Reset and Programmable Brown-out Detection
• Internal Calibrated Oscillator
• External and Internal Interrupt Sources
• Six Sleep Modes: Idle, ADC Noise Reduction, Power-save, Power-down, Standby, and Extended Standby

I/O and Packages:

• 32 Programmable I/O Lines
• 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF

Operating Conditions:

• Temperature Range: -40°C to 85°C
• Voltage Range: 1.8-5.5V

The ATMEGA164A-MUR is a powerful microcontroller that is suitable for a wide range of applications, from sophisticated industrial control systems to high-speed networking communications. With its robust feature set and extensive endurance, it is an ideal solution for designers looking for a flexible and efficient 8-bit microcontroller.

Note: (1) Reliability Qualification results are based on data collected at 25°C.