參數(shù)資料
型號: μPD784031
廠商: NEC Corp.
英文描述: 8/16 Bit Single Chip Microcontrollers(8/16 位微控制器)
中文描述: 8 / 16位單片機微控制器(8 / 16位微控制器)
文件頁數(shù): 16/90頁
文件大?。?/td> 301K
代理商: ΜPD784031
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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