參數(shù)資料
型號(hào): UPD75068A
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): 10/68頁
文件大?。?/td> 640K
代理商: UPD75068A
10
μ
PD75064, 75066, 75068, 75064(A), 75066(A), 75068(A)
3.3 Pin Input/Output Circuits
The input/output circuit of each
μ
PD75068 pin is shown below in a simplified manner.
Type A (For type E-B)
CMOS input buffer
Schmitt trigger input with hysteresis
Push-pull output which can be set to high impedance output
(off for both P-ch and N-ch)
P.U.R.: Pull-Up Resistor
P.U.R.: Pull-Up Resistor
Type B
Type E-B
Type B-C
Type D (For type E-B, F-A)
V
DD
IN
P-ch
N-ch
IN
IN
P-ch
P.U.R.
enable
P.U.R.
V
DD
V
DD
P-ch
N-ch
OUT
Data
Output
disable
P.U.R.
V
DD
P.U.R.
enable
P-ch
IN/OUT
Data
Output
disable
Type D
Type A
(1/3)
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