參數(shù)資料
型號: HD407A4669
廠商: Hitachi,Ltd.
英文描述: Low-Voltage AS Microcomputers with On-Chip DTMF Generation Circuit(帶雙音多頻電路的低電壓微計算機)
中文描述: 低電壓如同在微機芯片的DTMF產(chǎn)生電路(帶雙音多頻電路的低電壓微計算機)
文件頁數(shù): 47/142頁
文件大?。?/td> 894K
代理商: HD407A4669
HD404669 Series
47
Table 16 Input/Output Pin Circuit Configurations
I/O Pin Type
Circuit Configuration
Relevant Pins
Input/output pins
V
CC
V
CC
Pull-up control signal
Buffer control signal
Output data
Input data
HLT
MIS3
DCD,DCR
PDR
Input control signal
D
4
,
D
5
,
D
9
– D
11
R0
0
–R0
3
R1
0
–R1
3
R2
0
–R2
3
R3
0
–R3
3
R4
0
–R4
2
R6
0
–R6
3
R7
0
–R7
3
R8
0
–R8
3
R9
0
–R9
3
RA
0
, RA
1
D
0
–D
3
V
CC
Buffer control signal
Output data
Input data
DCD
PDR
Input control signal
Pull-down
control signal
HLT
MIS3
Pull-up control signal
Buffer control signal
Output data
Input data
HLT
MIS3
DCR
MIS2
PDR
Input control signal
V
CC
V
CC
R4
3
Input pins
Input data
Input control signal
D
12
, D
13
RD
0,
RD
1,
RE
0
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