參數(shù)資料
型號: UPD65MC-XXX-5A4
英文描述: MICROCONTROLLER|4-BIT|CMOS|SSOP|20PIN|PLASTIC
中文描述: 單片機(jī)| 4位|的CMOS | SSOP封裝| 20針|塑料
文件頁數(shù): 8/68頁
文件大?。?/td> 301K
代理商: UPD65MC-XXX-5A4
8
μ
PD63, 63A, 64
1.3 Dealing with Unused Pins
The following connections are recommended for unused pins.
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
K
I
RESET
Note
Built-in POC circuit
Leave open
Note
If the circuit is an applied one requiring high reliability, be sure to design it in such a manner that the RESET
signal is entered externally.
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.
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