參數(shù)資料
型號(hào)： UPD784031A
廠商： NEC Corp.
英文描述： 16/8-BIT SINGLE-CHIP MICROCONTROLLER
中文描述： 16/8-BIT單片機(jī)
文件頁數(shù)： 16/90頁
文件大?。?/td> 377K
代理商： UPD784031A
μ
PD784031
16
Table 6-1. Types of I/O Circuits for Pins and Handling of Unused Pins (2/2)
Pin
I/O circuit type
I/O
Recommended connection method for unused pins
RESET
2
Input
-
TEST
1-A
To be connected to V
SS0
directly
AV
REF1
-AV
REF3
-
To be connected to V
SS0
AV
SS
AV
DD
To be connected to V
DD0
Caution When the I/O mode of an I/O dual-function pin is unpredictable, connect the pin to V
DD0
through
a resistor of 10 to 100 kilohms (particularly when the voltage of the reset input pin becomes higher
than that of the low level input at power-on or when I/O is switched by software).
Remark
Since type numbers are consistent in the 78K series, those numbers are not always serial in each product.
(Some circuits are not included.)
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