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參數(shù)資料
| 型號(hào)： | W79E201A16PN |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT MICROCONTROLLER |
| 中文描述： | 8-BIT, FLASH, 16 MHz, MICROCONTROLLER, PQCC44 |
| 封裝： | ROHS COMPLIANT, PLASTIC, LCC-44 |
| 文件頁(yè)數(shù)： | 20/87頁(yè) |
| 文件大?。?/td> | 818K |
| 代理商： | W79E201A16PN |
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W79E201
- 20 -
Port 3
Bit:
7
6
5
4
3
2
1
0
P3.7
P3.6
P3.5
P3.4
P3.3
P3.2
P3.1
P3.0
Mnemonic: P3
Address: B0h
P3.7-0: General purpose I/O port. Each pin also has an alternate input or output function. There
alternate functions are described below table.
BIT
7
NAME
FUNCTION
P3.7
P3.6
Strobe for read from external RAM
6
WR
Strobe for write to external RAM
5
P3.5
T1 Timer/counter 1 external count input
4
P3.4
T0 Timer/counter 0 external count input
3
P3.3
INT1
External interrupt 1
2
P3.2
INT0
External interrupt 0
1
P3.1
TxD Serial port 0 output
0
P3.0
RxD Serial port 0 input
Interrupt Priority
Bit:
7
-
6
5
4
PS
3
2
1
0
PADC
PT2
PT1
PX1
PT0
PX0
Mnemonic: IP
Address: B8h
BIT
NAME
FUNCTION
7
-
This bit is un-implemented and will read high.
6
PADC
1: To set interrupt priority of ADC is highest priority level.
5
PT2
1: To set interrupt priority of Timer 2 is highest priority level.
4
PS
1: To set interrupt priority of Serial port 0 is highest priority level.
3
PT1
1: To set interrupt priority of Serial port 0 is highest priority level.
2
PX1
1: To set interrupt priority of External interrupt 1 is highest priority level.
1
PT0
1: To set interrupt priority of Timer 0 is highest priority level.
0
PX0
1: To set interrupt priority of External interrupt 0 is highest priority level.
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