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ATMEGA644P-20AU +BOM

AVR AVR® ATmega Microcontroller IC 8-Bit 20MHz 64KB (32K x 16) FLASH 44-TQFP (10x10)

Manufacturer:

Microchip
Mfr.Part #:

ATMEGA644P-20AU
Datasheet:

ATMEGA644P-20AU Datasheet (PDF)
Core:

AVR
Program Memory Size:

64 kB
Data RAM Size:

4 kB
Maximum Clock Frequency:

20 MHz
EDA/CAD Models:

Request Free CAD Models for ATMEGA644P-20AU

ATMEGA644P-20AU General Description

In conclusion, the ATMEGA644P-20AU is a high-performance, low-power microcontroller that offers an impressive array of features and capabilities. Its combination of high-speed processing, extensive I/O options, analog signal conversion capabilities, and built-in protections make it an excellent choice for a wide range of embedded applications, from consumer electronics to industrial automation. Whether you're a hobbyist or a professional embedded systems developer, the ATMEGA644P-20AU has the features and performance to meet your needs

Key Features

High-performance, Low-power 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 20 MIPS Throughput at 20 MHz
– On-chip 2-cycle Multiplier
Nonvolatile Program and Data Memories
– 16/32/64K Bytes of In-System Self-Programmable Flash
Endurance: 10,000 Write/Erase Cycles
– Optional Boot Code Section with Independent Lock Bits
In-System Programming by On-chip Boot Program
True Read-While-Write Operation
– 512B/1K/2K Bytes EEPROM
Endurance: 100,000 Write/Erase Cycles
– 1/2/4K Bytes Internal SRAM
– 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 Prescalers and Compare Modes
– One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture
– Real Time Counter with Separate Oscillator
– Six PWM Channels
– 8-channel, 10-bit ADC
Differential mode with selectable gain at 1x, 10x or 200x
– 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
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, and 44-pad QFN/MLF
Operating Voltages
– 1.8 - 5.5V for ATmega164P/324P/644PV
– 2.7 - 5.5V for ATmega164P/324P/644P
Speed Grades
– 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
Power Consumption at 1 MHz, 1.8V, 25°C for ATmega164P/324P/644P
– Active: 338/398/TBD µA
– Power-down Mode:0.035 /0.027/TBD µA
– Power-save Mode:0.5 /0.5/TBD µA (Including 32 kHz RTC)

Specifications

Product Category	8-bit Microcontrollers - MCU	Core	AVR
Program Memory Size	64 kB	Data RAM Size	4 kB
Maximum Clock Frequency	20 MHz	ADC Resolution	10 bit
Number of I/Os	32 I/O	Supply Voltage - Min	2.7 V
Supply Voltage - Max	5.5 V	Mounting Style	SMD/SMT
Data Bus Width	8 bit	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 85 C	Series	ATmega644P
Packaging	[ "Tray" ]	Data RAM Type	SRAM
Data ROM Size	2 kB	Data ROM Type	EEPROM
Height	1 mm	Interface Type	2-Wire, SPI, UART
Length	10 mm	Moisture Sensitive	Yes
Number of Timers/Counters	3 Timer	Processor Series	megaAVR
Product	MCUs	Product Type	8-bit Microcontrollers - MCU
Program Memory Type	Flash	Factory Pack Quantity	160
Subcategory	Microcontrollers - MCU	Tradename	AVR
Width	10 mm	Unit Weight	0.077179 oz