參數(shù)資料
型號: UPD17225
廠商: NEC Corp.
元件分類: 4位微控制器
英文描述: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR SMALL GENERAL-PURPOSE INFRARED REMOTE CONTROL TRANSMITTER
中文描述: 4位單片機(jī)的小型通用紅外遙控器
文件頁數(shù): 10/84頁
文件大?。?/td> 393K
代理商: UPD17225
μ
PD17225, 17226, 17227, 17228
10
Data Sheet U12643EJ2V0DS00
1.3
Processing of Unused Pins
Process the unused pins as follows:
Table 1-1. Processing of Unused Pins
Pin
Recommended Connection
P0A
0
-P0A
3
Connect to V
DD
.
P0B
0
-P0B
3
Connect to V
DD
.
P0C
0
-P0C
3
Connect to GND.
P0D
0
-P0D
3
Connect to GND.
P0E
0
-P0E
3
Input
Output : Leave open.
: Individually connect to V
DD
or GND via resistor.
REM
Leave open.
INT
Connect to GND.
WDOUT
Connect to V
DD
via resistor.
IC1, IC2
These pins cannot be used.
Leave open.
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