Datasheet ATMEGA644A-PU - Atmel 8- bit Microcontrollers (MCU) 20 MHz Ind Temp

Atmel ATMEGA644A-PU

Part Number: ATMEGA644A-PU

Detailed Description

Manufacturer: Atmel

Description: 8- bit Microcontrollers (MCU) 20 MHz Ind Temp

Docket:
Features
· High-performance, Low-power Atmel® AVR® 8-bit Microcontroller · Advanced RISC Architecture
131 Powerful Instructions Most Single-clock Cycle Execution 32 x 8 General Purpose Working Registers Fully Static Operation Up to 20MIPS Throughput at 20MHz 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 QTouch® library support Capacitive touch buttons, sliders and wheels QTouch and QMatrix acquisition Up to 64 sense channels JTAG (IEEE std.

1149.1 Compliant) Interface Boundary-scan Capabilities According to the JTAG Standard Extensiv

Specifications:

Clock Frequency Max: 20 MHz
Core: AVR
Data Bus Width: 8 bit
Interface: JTAG, SPI, TWI, USART
Mounting Style: Through Hole
Number of I/O Lines: 32
Number of Timers: 3
Operating Supply Voltage: 1.8 V to 5.5 V
Operating Temperature Range: - 40 C to + 85 C
Package / Case: PDIP-40
Processor Series: ATMEGA64x
Program Memory Size: 64 Kb
Program Memory Type: Flash
RAM Size: 4 Kb
RoHS: Yes

Other Names:

ATMEGA644APU, ATMEGA644A PU