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ATMEGA128L-8AL 参数 Datasheet PDF下载

ATMEGA128L-8AL图片预览
型号: ATMEGA128L-8AL
PDF下载: 下载PDF文件 查看货源
内容描述: [RISC Microcontroller, 8-Bit, FLASH, 8MHz, CMOS, PQFP64, 14 X 14 MM, 1 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MS-026AEB, TQFP-64]
分类和应用: 时钟微控制器外围集成电路
文件页数/大小: 391 页 / 6192 K
品牌: ATMEL [ ATMEL ]
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ATmega128(L)  
Register  
Description for I/O  
Ports  
Port A Data Register –  
PORTA  
Bit  
7
PORTA7  
R/W  
0
6
PORTA6  
R/W  
0
5
PORTA5  
R/W  
0
4
PORTA4  
R/W  
0
3
PORTA3  
R/W  
0
2
PORTA2  
R/W  
0
1
0
PORTA1  
R/W  
0
PORTA0  
R/W  
0
PORTA  
DDRA  
PINA  
Read/Write  
Initial Value  
Port A Data Direction  
Register – DDRA  
Bit  
7
DDA7  
R/W  
0
6
DDA6  
R/W  
0
5
DDA5  
R/W  
0
4
DDA4  
R/W  
0
3
DDA3  
R/W  
0
2
DDA2  
R/W  
0
1
DDA1  
R/W  
0
0
DDA0  
R/W  
0
Read/Write  
Initial Value  
Port A Input Pins  
Address – PINA  
Bit  
7
6
PINA6  
R
5
PINA5  
R
4
PINA4  
R
3
PINA3  
R
2
PINA2  
R
1
PINA1  
R
0
PINA0  
R
PINA7  
R
Read/Write  
Initial Value  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
N/A  
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  
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  
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  
Port C Data Register –  
PORTC  
Bit  
7
PORTC7  
R/W  
0
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  
Read/Write  
Initial Value  
Port C Data Direction  
Register – DDRC  
Bit  
7
DDC7  
R/W  
0
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
DDRC  
Read/Write  
Initial Value  
87  
2467P–AVR–08/07  
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