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ATMEGA8L-8MUR 参数 Datasheet PDF下载

ATMEGA8L-8MUR图片预览
型号: ATMEGA8L-8MUR
PDF下载: 下载PDF文件 查看货源
内容描述: 8位爱特梅尔带有8K字节的系统内可编程闪存 [8-bit Atmel with 8KBytes In-System PRogrammable Flash]
分类和应用: 闪存微控制器和处理器外围集成电路异步传输模式PCATM时钟
文件页数/大小: 331 页 / 6705 K
品牌: ATMEL [ ATMEL ]
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ATmega8(L)  
Register Description for I/O Ports  
The Port B Data  
Register – PORTB  
Bit  
7
PORTB7  
R/W  
0
6
PORTB6  
R/W  
0
5
PORTB5  
R/W  
0
4
PORTB4  
R/W  
0
3
PORTB3  
R/W  
0
2
PORTB2  
R/W  
0
1
PORTB1  
R/W  
0
0
PORTB0  
R/W  
0
PORTB  
DDRB  
PINB  
Read/Write  
Initial Value  
The Port B Data  
Direction Register –  
DDRB  
Bit  
7
DDB7  
R/W  
0
6
DDB6  
R/W  
0
5
DDB5  
R/W  
0
4
DDB4  
R/W  
0
3
DDB3  
R/W  
0
2
DDB2  
R/W  
0
1
DDB1  
R/W  
0
0
DDB0  
R/W  
0
Read/Write  
Initial Value  
The Port B Input Pins  
Address – PINB  
Bit  
7
PINB7  
R
6
PINB6  
R
5
PINB5  
R
4
PINB4  
R
3
PINB3  
R
2
PINB2  
R
1
PINB1  
R
0
PINB0  
R
Read/Write  
Initial Value  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
The Port C Data  
Register – PORTC  
Bit  
7
6
PORTC6  
R/W  
0
5
PORTC5  
R/W  
0
4
PORTC4  
R/W  
0
3
PORTC3  
R/W  
0
2
PORTC2  
R/W  
0
1
PORTC1  
R/W  
0
0
PORTC0  
R/W  
0
PORTC  
DDRC  
PINC  
Read/Write  
Initial Value  
R
0
The Port C Data  
Direction Register –  
DDRC  
Bit  
7
6
DDC6  
R/W  
0
5
DDC5  
R/W  
0
4
DDC4  
R/W  
0
3
DDC3  
R/W  
0
2
DDC2  
R/W  
0
1
DDC1  
R/W  
0
0
DDC0  
R/W  
0
Read/Write  
Initial Value  
R
0
The Port C Input Pins  
Address – PINC  
Bit  
7
6
PINC6  
R
5
PINC5  
R
4
PINC4  
R
3
PINC3  
R
2
PINC2  
R
1
PINC1  
R
0
PINC0  
R
Read/Write  
Initial Value  
R
0
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
The Port D Data  
Register – PORTD  
Bit  
7
PORTD7  
R/W  
0
6
PORTD6  
R/W  
0
5
PORTD5  
R/W  
0
4
PORTD4  
R/W  
0
3
PORTD3  
R/W  
0
2
PORTD2  
R/W  
0
1
PORTD1  
R/W  
0
0
PORTD0  
R/W  
0
PORTD  
DDRD  
PIND  
Read/Write  
Initial Value  
The Port D Data  
Direction Register –  
DDRD  
Bit  
7
DDD7  
R/W  
0
6
DDD6  
R/W  
0
5
DDD5  
R/W  
0
4
DDD4  
R/W  
0
3
DDD3  
R/W  
0
2
DDD2  
R/W  
0
1
DDD1  
R/W  
0
0
DDD0  
R/W  
0
Read/Write  
Initial Value  
The Port D Input Pins  
Address – PIND  
Bit  
7
PIND7  
R
6
PIND6  
R
5
PIND5  
R
4
PIND4  
R
3
PIND3  
R
2
PIND2  
R
1
PIND1  
R
0
PIND0  
R
Read/Write  
Initial Value  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
65  
2486AA–AVR–02/2013  
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