參數(shù)資料
型號： UPD754264
廠商： NEC Corp.
英文描述： 4-BIT SINGLE-CHIP MICROCONTROLLERS
中文描述： 4位單晶片微控制器
文件頁數(shù)： 10/68頁
文件大?。?/td> 318K
代理商： UPD754264
10
μ
PD754264
3.4 Recommended Connection of Unused Pins
Table 3-1. List of Recommended Connection of Unused Pins
Pin
Recommended Connecting Method
P30/PTO0
Input state : Independently connect to V
SS
or V
DD
via a resistor.
P31/PTO1
Output state: Leave open.
P32/PTO2
P33
P60/AVREF
P61/INT0
P62/AN0
P63/AN1
P70/KR4
Connect to V
DD
.
P71/KR5
P72/KR6
P73/KR7
P80
Input state : Independently connect to V
SS
or V
DD
via a resistor.
Output state: Leave open.
KRREN
When this pin is connected to V
DD
, internal reset signal is gener-
ated at the falling edge of the KRn pin in the STOP mode.
When this pin is connected to V
SS
, internal reset signal is not
generated even if the falling edge of KRn pin is detected in the
STOP mode.
IC
Connect directly to V
DD
.
相關PDF資料
PDF描述
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