參數(shù)資料
型號: UPD75P048CW
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(shù): 10/40頁
文件大小: 320K
代理商: UPD75P048CW
10
μ
PD75P048
1.3 PIN INPUT/OUTPUT CIRCUITS
The input/output circuit of each
μ
PD75P048 pin is shown below in a simplified manner.
P-ch
Type A (For Type E-B)
V
DD
N-ch
IN
Type D (For Type E-B, F-A)
P-ch
V
DD
N-ch
OUT
Data
Output
disable
CMOS input buffer
Push-pull output which can be set to high-impedance output
(off for both P-ch and N-ch)
Type B
Type E-B
IN
P-ch
V
DD
IN/OUT
Data
Output
disable
P.U.R.
enable
Type D
P.U.R.
Type A
Schmitt trigger input with hysteresis
P.U.R.: Pull-Up Resistor
Type B-C
Type E-D
P-ch
V
DD
IN
P.U.R.
P.U.R.
enable
N-ch
IN/OUT
P.D.R.
enable
P.D.R.
Data
Output
disable
Type D
Type A
P.U.R.: Pull-Up Resistor
P.D.R.: Pull-Down Resistor
(1/3)
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