參數(shù)資料
型號(hào): HD40A4054
廠商: Hitachi,Ltd.
英文描述: 4-Bit Single-Chip Microcomputer(4位單片微計(jì)算機(jī))
中文描述: 4位單片機(jī)(4位單片微計(jì)算機(jī))
文件頁數(shù): 33/101頁
文件大?。?/td> 610K
代理商: HD40A4054
HD404054 Series/HD404094 Series
33
Table 20-1 Programmable I/O Circuits (with pull-up 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-up MOS
Note:
On
On
— indicates off status.
Table 20-2 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
D
4
–D
9
, R port (HD404054 Series)
D
8
, D
9
, R port (HD404094 Series)
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
Figure 19-1 I/O Buffer Configuration (with pull-up MOS)
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