參數(shù)資料
型號: HD40A4639R
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計算機)
中文描述: 4位單片機(4位單片微計算機)
文件頁數(shù): 43/133頁
文件大?。?/td> 803K
代理商: HD40A4639R
HD404639R Series
43
MIS3
Input control signal
V
CC
Pull-up
MOS
DCD, DCR
PDR
Input data
V
CC
HLT
Pull-up control signal
Buffer control signal
Output data
D
4
–D
11
, R port
Figure 27-1 I/O Buffer Configuration (with Pull-Up MOS)
Table 21-2 Programmable I/O Circuits (with Pull-Down MOS)
MIS3 (Bit 3 of MIS)
0
1
DCD, DCR
0
1
0
1
PDR
0
1
0
1
0
1
0
1
CMOS buffer
PMOS
On
On
NMOS
On
On
Pull-down MOS
Note:
— indicates off status.
On
On
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