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參數(shù)資料
| 型號(hào)： | 6P8B |
| 廠商： | NEC Corp. |
| 英文描述： | MOS INTEGRATED CIRCUIT 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION |
| 中文描述： | 馬鞍山集成電路4位單片機(jī)的紅外遙控傳輸 |
| 文件頁數(shù)： | 12/95頁 |
| 文件大?。?/td> | 692K |
| 代理商： | 6P8B |
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12
μ
PD6P8, 6P8A, 6P8B
Data Sheet U17848EJ3V0DS
1.4 Recommended Connection of 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/O0
-K
I/O7
Input mode
—
Leave open
Output mode
High-level output
REM
—
IC
Note
—
S
1
/LED
Output mode (LED) setting
S
0
OFF mode setting
Directly connect these pins
S
2
, S
3
Note
—
to GND
K
I0
-K
I3
—
Note
μ
PD6P8B only
Caution The I/O mode and the pin 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 After Reset
In order to prevent malfunction, do not input a high-level signal to pins K
I0
to K
I3
(leaving these pins open is
possible, however, when these pins are left open, do not disconnect any connected pull-down resistors) when POC
is released due to supply voltage startup.
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