參數資料
型號: UPD75068GB
廠商: NEC Corp.
英文描述: 4-BIT SINGLE-CHIP MICROCOMPUTER
中文描述: 4位單片機
文件頁數: 12/68頁
文件大?。?/td> 640K
代理商: UPD75068GB
12
μ
PD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)
Type Y-D
P.U.R.: Pull-Up Resistor
Type Z
P.U.R.
V
DD
P.U.R.
enable
P-ch
IN/OUT
Data
Output
disable
Type D
Type Y
Type B
AV
REF
Reference voltage
AV
SS
(3/3)
3.4 Mask Option Selection
The following mask options are available for selection for each pin.
Pin name
P40 - P43,
P50 - P53
XT1, XT2
1
Pull-up resistor enabled
(specifiable bit by bit)
1
Feedback resistor enabled
(if a subsystem clock is used)
2
Pull-up resistor disabled
(specifiable bit by bit)
2
Feedback resistor disabled
(if a subsystem clock is not used)
Mask option
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