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ATMEL  ATMEGA644P-20PU  8 Bit Microcontroller, Low Power High Performance, ATmega, 20 MHz, 64 KB, 4 KB, 40 Pins, DIP

Technical Data Sheet (406.80KB) EN See all Technical Docs

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ATMEL ATMEGA644P-20PU
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Product Overview

The ATMEGA644P-20PU is a low-power CMOS 8-bit Microcontroller, based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the microcontroller achieves throughputs approaching 1 MIPS per MHz allowing the system designed to optimize power consumption versus processing speed.
  • High-performance, Low-power AVR® 8-Bit Microcontroller
  • Advanced RISC Architecture
  • High Endurance Non-volatile Memory Segments
  • JTAG (IEEE Standard 1149.1 Compliant) Interface
  • Power-on Reset and Programmable Brown-out Detection
  • Internal Calibrated RC Oscillator
  • External and Internal Interrupt Sources
  • Idle, ADC Noise Reduction, Power-save, Power-down, Standby and Extended Standby Sleep Modes
  • 0 to 20MHz at 4.5 to 5.5V Speed Grade
  • 0.4mA Active, 0.1µA Power-down mode, 0.6µA Power-save mode (32kHz RTC) power consumption

 

Product Information

Controller Family/Series:
ATmega
CPU Speed:
20MHz
Program Memory Size:
64KB
RAM Memory Size:
4KB
No. of Pins:
40Pins
MCU Case Style:
DIP
No. of I/O's:
32I/O's
Embedded Interface Type:
I2C, SPI, UART
Supply Voltage Min:
2.7V
Supply Voltage Max:
5.5V
Packaging:
Each
Product Range:
ATMega Microcontrollers
Automotive Qualifications Standard:
-
No. of PWM Channels:
6
EEPROM Memory Size:
2 KB
No. of Timers:
3
MPU Core Size:
8bit
MSL:
-
Peripherals:
ADC, Comparator, PWM, RTC, Timer
Operating Temperature Min:
-40 °C
Operating Temperature Max:
85 °C
Supply Voltage Range:
2.7V to 5.5V
Oscillator Type:
External, Internal
SVHC:
No SVHC (15-Jun-2015)

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Applications

  • Power Management;
  • Communications & Networking;
  • Consumer Electronics

Legislation and Environmental

Moisture Sensitivity Level:
-
Product Traceability
RoHS Compliant:
Yes
Authorized Distributor