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參數(shù)資料
| 型號(hào)： | UPD17242UC-XXX-5A4 |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 4-BIT, MROM, 4.5 MHz, MICROCONTROLLER, PDSO30 |
| 封裝： | 0.300 INCH, PLASTIC, SSOP-30 |
| 文件頁(yè)數(shù)： | 38/102頁(yè) |
| 文件大?。?/td> | 953K |
| 代理商： | UPD17242UC-XXX-5A4 |
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Data Sheet U15002EJ1V1DS
PD17240, 17241, 17242, 17243, 17244, 17245, 17246
3.10 Selecting I/O Mode of Group I/O (Port 0C, 0D)
An I/O that is set to the input or output mode in 4-bit units is called a group I/O. P0C and P0D can be used as
group I/O ports. The input and output modes of these ports are selected by using the following register file. If the
mode is changed from input to output, the contents of the port register are output to the respective ports as soon as
the mode has been changed.
3
210
P0DGIO
P0CGIO
0
Address
RF: 37H
After reset
CH
R/W
P0CGIO
0
1
I/O mode of P0C0 to P0C3
P0DGIO
0
1
I/O mode of P0D0 to P0D3
Sets P0C0 to P0C3 in input mode
Sets P0C0 to P0C3 in output mode
Sets P0D0 to P0D3 in input mode
Sets P0D0 to P0D3 in output mode
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| UPD17244MC-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 |
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