參數(shù)資料
型號: MQ80C52EXXX-25:R
廠商: ATMEL CORP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 25 MHz, MICROCONTROLLER, CQFP44
封裝: CERAMIC, QFP-44
文件頁數(shù): 70/83頁
文件大小: 8336K
82
7707F–AVR–11/10
AT90USB82/162
11.4
Register Description for I/O-Ports
11.4.1
Port B Data Register – PORTB
11.4.2
Port B Data Direction Register – DDRB
11.4.3
Port B Input Pins Address – PINB
11.4.4
Port C Data Register – PORTC
11.4.5
Port C Data Direction Register – DDRC
11.4.6
Port C Input Pins Address – PINC
11.4.7
Port D Data Register – PORTD
11.4.8
Port D Data Direction Register – DDRD
Bit
76543210
PORTB7
PORTB6
PORTB5
PORTB4
PORTB3
PORTB2
PORTB1
PORTB0
PORTB
Read/Write
R/W
Initial Value
00000000
Bit
76543210
DDB7
DDB6
DDB5
DDB4
DDB3
DDB2
DDB1
DDB0
DDRB
Read/Write
R/W
Initial Value
00000000
Bit
76543210
PINB7
PINB6
PINB5
PINB4
PINB3
PINB2
PINB1
PINB0
PINB
Read/Write
R/W
Initial Value
N/A
Bit
76543210
PORTC7
PORTC6
PORTC5
PORTC4
-
PORTC2
PORTC1
PORTC0
PORTC
Read/Write
R/W
R
R/W
Initial Value
00000000
Bit
76543210
DDC7
DDC6
DDC5
DDC4
-
DDC2
DDC1
DDC0
DDRC
Read/Write
R/W
R
R/W
Initial Value
00000000
Bit
76543210
PINC7
PINC6
PINC5
PINC4
-
PINC2
PINC1
PINC0
PINC
Read/Write
R/W
R
R/W
Initial Value
N/A
Bit
76543210
PORTD7
PORTD6
PORTD5
PORTD4
PORTD3
PORTD2
PORTD1
PORTD0
PORTD
Read/Write
R/W
Initial Value
00000000
Bit
76543210
DDD7
DDD6
DDD5
DDD4
DDD3
DDD2
DDD1
DDD0
DDRD
Read/Write
R/W
Initial Value
00000000
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