ATMEGA644PA-AU Atmel, ATMEGA644PA-AU Datasheet - Page 274
ATMEGA644PA-AU
Manufacturer Part Number
ATMEGA644PA-AU
Description
IC MCU 8BIT 64KB FLASH 44TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644PA-AU
Core Processor
AVR
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
SPI, TWI, UART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
32
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA644PA-AU
Manufacturer:
PHILIPS
Quantity:
450
Part Number:
ATMEGA644PA-AU
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
ATMEGA644PA-AUR
Manufacturer:
ATMEL
Quantity:
1 400
Part Number:
ATMEGA644PA-AUR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
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8272A–AVR–01/10
Table 24-1.
164A/164PA/324A/324PA/644A/644PA/1284/1284P
Bit Number
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
ATmega164A/164PA/324A/324PA/644A/644PA/1284/1284P Boundary-scan
Order (Continued)
Signal Name
PD0.Data
PD0.Control
PD1.Data
PD1.Control
PD2.Data
PD2.Control
PD3.Data
PD3.Control
PD4.Data
PD4.Control
PD5.Data
PD5.Control
PD6.Data
PD6.Control
PD7.Data
PD7.Control
PC0.Data
PC0.Control
PC1.Data
PC1.Control
PC6.Data
PC6.Control
PC7.Data
PC7.Control
PA7.Data
Module
Port D
Port C
274
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