ATMEGA644P20AU ATMEL Corporation, ATMEGA644P20AU Datasheet

ATMEGA644P20AU

Manufacturer Part Number

ATMEGA644P20AU

Description

TQFP44

Manufacturer

ATMEL Corporation

Datasheet

1.ATMEGA644P20AU.pdf (436 pages)

Specifications of ATMEGA644P20AU

Date_code

09+

Current page: 1 of 436
Download datasheet (7Mb)

Features

•

High-performance, Low-power AVR

Advanced RISC Architecture

High Endurance Non-volatile Memory segments

JTAG (IEEE std. 1149.1 Compliant) Interface

Peripheral Features

Special Microcontroller Features

I/O and Packages

Operating Voltages

Speed Grades

Power Consumption at 1 MHz, 1.8V, 25°C for ATmega164P/324P/644P

– 131 Powerful Instructions – Most Single-clock Cycle Execution

– 32 x 8 General Purpose Working Registers

– Fully Static Operation

– Up to 20 MIPS Throughput at 20 MHz

– On-chip 2-cycle Multiplier

– 16/32/64K Bytes of In-System Self-programmable Flash program memory

– 512B/1K/2K Bytes EEPROM

– 1/2/4K Bytes Internal SRAM

– Write/Erase Cycles: 10,000 Flash/ 100,000 EEPROM

– Data retention: 20 years at 85°C/100 years at 25°C

– Optional Boot Code Section with Independent Lock Bits

– Programming Lock for Software Security

– 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

– Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes

– 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

– Byte-oriented Two-wire Serial Interface

– Two Programmable Serial USART

– Master/Slave SPI Serial Interface

– Programmable Watchdog Timer with Separate On-chip Oscillator

– On-chip Analog Comparator

– Interrupt and Wake-up on Pin Change

– 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

– 32 Programmable I/O Lines

– 40-pin PDIP, 44-lead TQFP, and 44-pad QFN/MLF

– 1.8 - 5.5V for ATmega164P/324P/644PV

– 2.7 - 5.5V for ATmega164P/324P/644P

– ATmega164P/324P/644PV: 0 - 4MHz @ 1.8 - 5.5V, 0 - 10MHz @ 2.7 - 5.5V

– ATmega164P/324P/644P: 0 - 10MHz @ 2.7 - 5.5V, 0 - 20MHz @ 4.5 - 5.5V

– Active: 0.4 mA

– Power-down Mode: 0.1µA

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

Extended Standby

In-System Programming by On-chip Boot Program

True Read-While-Write Operation

Differential mode with selectable gain at 1x, 10x or 200x

8-bit Microcontroller

8-bit

Microcontroller

with 16/32/64K

Bytes In-System

Programmable

Flash

ATmega164P/V

ATmega324P/V

ATmega644P/V

Preliminary

8011G–AVR–08/07

Related parts for ATMEGA644P20AU

Related keywords

ATMEGA644P20AU datasheet
ATMEGA644P20AU data sheet
ATMEGA644P20AU pdf datasheet
ATMEGA644P20AU component
ATMEGA644P20AU part
ATMEGA644P20AU distributor
ATMEGA644P20AU RoHS
ATMEGA644P20AU datasheet download