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  • ATMEGA644PA - AU Microcontroller  - (SMD Package) - TQFP - 44 Pin Microcontroller

The ATMEGA164A is a low power, CMOS 8-bit microcontrollers based on the AVR® enhanced RISC architecture. The ATMEGA164A is a 40/49-pins device ranging from 16 KB to 128 KB Flash, with 1 KB to 16 KB SRAM, 512 Bytes to 4 KB EEPROM. By executing instructions in a single clock cycle, the devices achieve CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed.  

Features:-

• High-performance, Low-power Atmel AVR 8-bit Microcontroller 

• Advanced RISC Architecture 

   - 131 powerful instructions – most single clock cycle execution 

   - 32 × 8 General Purpose Working Registers + Peripheral Control Registers 

   - Fully Static Operation 

   - Up to 16MIPS Throughput at 16MHz 

   - On-chip 2-cycle Multiplier

• High Endurance Non-volatile Memory segments 

   - 16/32/64/128KBytes of In-System Self-programmable Flash program memory  

   - 512/1K/2K/4KBytes EEPROM 

   - 1/2/4/16KBytes Internal SRAM 

   - Write/erase cycles: 10,000 flash/100,000 EEPROM 

   - Data retention: 20 years at 85°C/100 years at 25°C(1) 

   - Optional Boot Code Section with Independent Lock Bits 

          • In-System Programming by On-chip Boot Program 

          • True Read-While-Write Operation 

   -  Programming Lock for Software Security 

• 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 

• Peripheral Features 

   – Two 8-bit Timer/Counters with separate prescaler and compare mode 

   – One 16-bit Timer/Counter with separate prescaler, compare mode, and capture mode 

   – Real Time Counter with Separate Oscillator 

   – Six PWM Channels 

   – 8-channel, 10-bit ADC   

       • Differential mode with selectable gain at 1×, 10× or 200× 

   – Two Programmable serial USART 

   – Master/Slave SPI Serial Interface 

   – Programmable Watchdog Timer with On-chip Oscillator 

   – On-chip Analog Comparator 

   – Byte Oriented 2-wire Serial Interface 

• Special Microcontroller Features 

  – Power-on Reset and Programmable Brown-out Detection 

  – Internal Calibrated RC 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, 44-pad VQFN/QFN/MLF 

    ̶  44-pad DRQFN 

• Operating voltage 

   – 1.8 - 5.5V 

• Speed Grades

   – 0 - 4MHz @ 1.8 - 5.5V 

    0 - 10MHz @ 2.7 - 5.5V 

• Power Consumption at 1MHz, 3V, 25°C 

     ̶  Active: 0.4mA  

     ̶  Power-down Mode: 0.1µA 

    – Power-save Mode: 0.6µA (Including 32kHz RTC) 

Specification:-


Parameters Values
Program Memory Type Flash
Program Memory Size (KB) 64
CPU Speed (MIPS/DMIPS) 20
SRAM (B) 4,096
Data EEPROM/HEF (bytes) 2048
Digital Communication Peripherals 2-UART, 3-SPI, 1-I2C
Capture/Compare/PWM Peripherals 1 Input Capture, 1 CCP, 6PWM
Timers 2 x 8-bit, 4 x 16-bit
Number of Comparators 1
Temperature Range (°C) -40 to 85
Operating Voltage Range (V) 1.8 to 5.5
Pin Count 44


Related Document:-

 ATMEGA644PA SMD Data Sheet

Brand/Manufacturer Generic
Country Of Origin China
Packer / Importer Address Constflick Technologies Limited, Building No 13 and 14, 3rd Floor, 2nd Main, Siddaiah Road, Bangalore, Karnataka - 560027 India.
MRP Rs. 678.5 (Inclusive of all Taxes)
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ATMEGA644PA - AU Microcontroller - (SMD Package) - TQFP - 44 Pin Microcontroller

  • Product Code: EC-1776
  • Availability: 61
  • Rs.675.00
  • (Excluding 18% GST)

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