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參數(shù)資料
| 型號： | UPD17243MC-xxx-5A4 |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| 中文描述： | 4位單片微控制器的小型通用兩用紅外遙控遞質(zhì) |
| 文件頁數(shù)： | 38/102頁 |
| 文件大?。?/td> | 461K |
| 代理商： | UPD17243MC-XXX-5A4 |
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38
Data Sheet U15002EJ1V0DS
μ
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
3.9
Switching Bit I/O (Port 0B, 0E, 1A)
An I/O that can be set to the input or output mode in bit units is called a bit I/O. P0B, P0E, and P1A are bit I/O
ports, which can be set in the input or output mode in bit units by the register file shown below. When the mode is
changed from input to output, the P0B, P0E, and P1A output latch contents are output to the port lines as soon as
the mode has been changed.
3
2
1
0
P0BBIO3
P0BBIO2
P0BBIO1
P0BBIO0
Address
RF: 26H
After reset
0H
R/W
R/W
P0BBIO0
0
1
Sets P0B
0
input/output mode
P0BBIO1
0
1
Sets P0B
1
input/output mode
P0BBIO2
0
1
Sets P0B
2
input/output mode
P0BBIO3
0
1
Sets P0B
3
input/output mode
Sets P0B
0
in input mode
Sets P0B
0
in output mode
Sets P0B
1
in input mode
Sets P0B
1
in output mode
Sets P0B
2
in input mode
Sets P0B
2
in output mode
Sets P0B
3
in input mode
Sets P0B
3
in output mode
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| UPD17244 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
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| UPD17245 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD17245MC-XXX-5A4 | 制造商:NEC 制造商全稱:NEC 功能描述:4-BIT SINGLE-CHIP MICROCONTROLLERS FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTERS |
| UPD17246 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Microcontrollers for Remote Controllers Pamphlet | Pamphlet[11/2002] |
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