ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 91
![MCU AVR 64KB FLASH 16MHZ 44QFN](/photos/12/13/121316/313-44-qfn_sml.jpg)
ATMEGA644P-A15MZ
Manufacturer Part Number
ATMEGA644P-A15MZ
Description
MCU AVR 64KB FLASH 16MHZ 44QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA644P-A15MZ
Package / Case
44-VQFN Exposed Pad
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
32
Eeprom Size
2K x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
4K x 8
Program Memory Size
64KB (64K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
I²C, SPI, UART/USART
Core Size
8-Bit
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA644P-A15MZ
Manufacturer:
ATMEL
Quantity:
3 500
Part Number:
ATMEGA644P-A15MZ
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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12.3.12
12.3.13
12.3.14
12.3.15
12.3.16
12.3.17
7674F–AVR–09/09
PORTC – Port C Data Register
DDRC – Port C Data Direction Register
PINC – Port C Input Pins Address
PORTD – Port D Data Register
DDRD – Port D Data Direction Register
PIND – Port D Input Pins Address
Bit
0x08 (0x28)
Read/Write
Initial Value
Bit
0x07 (0x27)
Read/Write
Initial Value
Bit
0x06 (0x26)
Read/Write
Initial Value
Bit
0x0B (0x2B)
Read/Write
Initial Value
Bit
0x0A (0x2A)
Read/Write
Initial Value
Bit
0x09 (0x29)
Read/Write
Initial Value
PORTC7
PORTD7
PINC7
PIND7
DDC7
DDD7
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
7
0
7
0
7
7
0
7
0
7
PORTC6
PORTD6
PINC6
PIND6
DDC6
DDD6
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
6
0
6
0
6
6
0
6
0
6
PORTC5
PORTD5
PINC5
PIND5
DDC5
DDD5
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
5
0
5
0
5
5
0
5
0
5
PORTC4
PORTD4
PINC4
PIND4
DDC4
DDD4
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
4
0
4
0
4
4
0
4
0
4
ATmega164P/324P/644P
PORTC3
PORTD3
PINC3
PIND3
DDC3
DDD3
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
3
0
3
0
3
3
0
3
0
3
PORTC2
PORTD2
PINC2
PIND2
DDC2
DDD2
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
2
0
2
0
2
2
0
2
0
2
PORTC1
PORTD1
PINC1
PIND1
DDC1
DDD1
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
1
0
1
0
1
1
0
1
0
1
PORTC0
PORTD0
PINC0
PIND0
DDC0
DDD0
R/W
R/W
R/W
R/W
R/W
R/W
N/A
N/A
0
0
0
0
0
0
0
0
0
0
PORTC
PORTD
DDRC
DDRD
PINC
PIND
91
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