參數(shù)資料
型號: M37641M8-100FP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
中文描述: 單芯片8位CMOS微機(jī)
文件頁數(shù): 63/149頁
文件大?。?/td> 1997K
代理商: M37641M8-100FP
63
7641 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
MITSUBISHI MICROCOMPUTERS
PRELIMINARY
Notice: This is not a final specification.
change.
Some parametric limits are subject to
Status output signal.
OBF
0
signal is output.
Status output signal.
IBF
0
signal is output.
Chip select input.
This is used for selecting the data bus buffer, which is
selected at
L
level.
Address input.
This is used for selecting DBBSTS and DBBOUT
when the host CPU reads.
This is used for distinguishing command from data
when the host CPU writes.
This is a timing signal for reading data from the data
bus buffer to the host CPU.
This is a timing signal for writing data to the data bus
buffer by the host CPU.
Chip select input.
This is used for selecting the data bus buffer, which is
selected at
L
level.
Status output signal.
IBF
1
signal is output.
Status output signal.
OBF
1
signal is output.
P5
2
/OBF
0
Table 8 Function description of control I/O pins of master CPU bus interface
Pin
Name
OBF
0
output
enable
bit
IBF
0
output
enable
bit
OBF
1
output
enable
bit
Input/
Output
Functions
OBF
0
1
0
0
0
IBF
1
output
enable
bit
Output
P5
3
/IBF
0
P5
4
/S
0
P5
5
/A
0
P5
6
/R (E)
P5
7
/W (R/W)
P7
2
/S
1
P7
3
/IBF
1
/HLDA
P7
4
/OBF
1
IBF
0
S
0
A
0
R (E)
W (R/W)
S
1
IBF
1
OBF
1
0
0
0
1
0
0
0
0
1
0
1
0
Output
Input
Input
Input
Input
Input
Output
Output
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