Operating Temperature Range
:
Data Bus Width
: 8 bit
On-Chip ADC
: Yes
Maximum Clock Frequency
: 20 MHz
Mounting Style
: SMD/SMT
Operating Supply Voltage
: 2.7 V to 5.5 V
Data RAM Size
: 4 KB
Core
: AVR
Program Memory Size
: 64 KB
Package / Case
: TQFP-44
Processor Series
: ATMEGA64x
DescriptionThe ATMEGA644P-20AU is designed as one kind of low-power CMOS 8-bit microcontroller device that achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.
Features of the ATMEGA644P-20AU are:(1)High Performance, Low Power AVR 8-Bit Microcontroller;(2)131 Powerful Instructions Most Single-clock Cycle Execution;(3)Programming Lock for Software Security;(4)Boundary-scan Capabilities According to the JTAG Standard;(5)Extensive On-chip Debug Support;(6)Programming of Flash, EEPROM, Fuses, and Lock Bits through the JTAG Interface;(7)Two 8-bit Timer/Counters with Separate Prescalers and Compare Modes;(8)Real Time Counter with Separate Oscillator;(9)Six PWM Channels;(10)Master/Slave SPI Serial Interface;(11)Programmable Watchdog Timer with Separate On-chip Oscillator;(12)Interrupt and Wake-up on Pin Change. If you want to know more information about the ATMEGA644P-20AU, please download the datasheet in www.seekic.com or www.chinaicmart.com .
Parameters: | Technical/Catalog Information | ATMEGA644P-20AU |
| Vendor | Atmel |
| Category | Integrated Circuits (ICs) |
| Program Memory Size | 64K x 8 |
| RAM Size | 4K x 8 |
| Number of I /O | 32 |
| Package / Case | 44-TQFP |
| Speed | 20MHz |
| Controller Series | ATmega |
| Oscillator Type | Internal |
| Packaging | Tray |
| Program Memory Type | FLASH |
| EEPROM Size | 2K x 8 |
| Core Processor | AVR |
| Data Converters | A/D 8x10b |
| Core Size | 8-Bit |
| Operating Temperature | -40°C ~ 85°C |
| Connectivity | I²C, SPI, UART/USART |
| Peripherals | Brown-out Detect/Reset, POR, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 2.7 V ~ 5.5 V |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | ATMEGA644P 20AU
ATMEGA644P20AU
|
ATMEGA644P-20AU Data Sheet
