參數(shù)資料
型號(hào): UPD7554ACS
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機(jī)
文件頁數(shù): 12/64頁
文件大?。?/td> 991K
代理商: UPD7554ACS
12
μ
PD7554A, 7554A(A)
(9) Type X
IN/OUT
V
DD
Type D
data
output
disable
Mask Option
1.6
RECOMMENDED CONNECTION OF UNUSED
μ
PD7554A PINS
Pin
Recommended Connection
P00/INT0
Connect to V
SS
.
P01 to P03
Connect to V
SS
or V
DD
.
P80 to P82
Leave open.
P100 to P103
P110 to P113
Input state : Connect to V
SS
or V
DD
.
Output state: Leave open.
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