M37733 MITSUBISHI [Mitsubishi Electric Semiconductor], M37733 Datasheet - Page 11
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M37733
Manufacturer Part Number
M37733
Description
16-BIT CMOS MICROCOMPUTER
Manufacturer
MITSUBISHI [Mitsubishi Electric Semiconductor]
Datasheet
1.M37733.pdf
(36 pages)
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Fig. 9 Relationship between pins P0
Note. The signal output disable selection bit (bit 6 of the oscillation circuit control register 0) can stop the
P1
P2
P3
P3
P3
P3
P2
P1
P4
Pin
HOLD,
P4
RDY,
7
7
0
1
2
3
0
3
0
/A
2
/A
/A
/R/
/
/ALE,
/
/A
BHE
HLDA
/
in the microprocessor mode. In the microprocessor mode, signal
memory area is accessed.
P0
to P4
15
23
16
8
W
0
/D
1,
/D
/D
/D
/A
,
,
8
15
0
7
7
0
- P0
BYTE = “H”
BYTE = “L”
BYTE = “H”
BYTE = “L”
7
/A
7
Mode
PM
PM
0
1
P1
P1
P2
P2
P2
P2
P1
P1
P3
P3
P3
P3
P4
7
7
HOLD
P0
P0
0
7
0
7
/A
/A
0
0
RDY
1
/A
/A
/A
/A
0
2
3
/A
/A
P4
P4
/BHE
/ALE
/HLDA
E
E
E
/R/W
E
E
2
E
15
E
15
0
7
16
23
16
23
/
0
8
8
/A
/A
/D
/D
3
7
/D
/D
/D
/D
/D
/D
/A
0
7
1
8
15
8
15
7
7
Microprocessor mode
0
0
0
A
to P4
A
A
16
16
8
to A
to A
to A
7
Address
Address
Address
15
Address A
and processor modes
Address A
23
23
1
0
I/O Port
ALE
HOLD
RDY
HLDA
BHE
R/W
Data(odd)
Data(even)
Data(even, odd)
8
0
-A
-A
15
7
(Note)
(Note)
_
E
can also be fixed to “H” when the internal
P1
P2
P2
P1
7
7
/A
0
0
/A
/A
/A
E
Ports P4, P5 and their direction registers
are treated as 16-bit wide bus.
E
Ports P4, P5 and their direction registers
are treated as 16-bit wide bus.
E
HOLD
RDY
P4
15
P4
P4
P4
P4
P4
16
23
8
/D
/D
/D
2
/D
3
4
5
6
7
/
Evaluation Chip mode
15
8
0
7
1
A
A
16
8
Same as left
Same as left
Same as left
Same as left
to A
to A
Address
Address
15
23
VDA
VPA
1
1
MITSUBISHI MICROCOMPUTERS
DBC
MX
QCL
16-BIT CMOS MICROCOMPUTER
Data(even, odd)
Data(odd)
1
output
M37733S4BFP
11