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參數資料
| 型號： | UPD6P5MC-5A4 |
| 廠商： | NEC Corp. |
| 英文描述： | 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION |
| 中文描述： | 4位單片機的紅外遙控傳輸 |
| 文件頁數： | 9/32頁 |
| 文件大?。?/td> | 232K |
| 代理商： | UPD6P5MC-5A4 |
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9
μ
PD6P5
Data Sheet U14760EJ1V0DS00
1.4 Dealing with Unused Pins
The following connections are recommended for unused pins in the normal operation mode.
Table 1-1. Connections for Unused Pins
Pin
Connection
Inside the Microcontroller
Outside the Microcontroller
K
I/O
INPUT mode
—
Leave open
OUTPUT mode
High-level output
REM
—
S
1
/LED
OUTPUT mode (LED) setting
S
0
OFF mode setting
Directly connect these pins
to GND
S
2
—
K
I
—
Caution The I/O mode and the terminal output level are recommended to be fixed by setting them
repeatedly in each loop of the program.
1.5 Notes on Using K
I
Pin at Reset
In order to prevent malfunction, be sure to input a low level to more than one of pins K
I0
to K
I3
when POC is released
due to supply voltage startup.
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