MITSUBISHI MICROCOMPUTERS
pro
New
d
uct
M37735S4LHP
16-BIT CMOS MICROCOMPUTER
PM
1
PM
0
Mode
1
0
Microprocessor mode
Pin
RDE
RDE
(Note)
CS
0
to
CS
4
RSMP
,
RDE, WEL, WEH
P0
0
/
CS
0
A
16
, A
17
to
P0
4
/
CS
4
P0
5
/
RSMP
P0
6
/A
16
P0
7
/A
17
RDE, WEL, WEH
CS
0
— CS
4
RSMP
Address A
16
, A
17
A
8
to A
15
Address
Data(odd)
BYTE = “L”
P1
0
/A
8
/D
8
to
P1
7
/A
15
/D
15
BYTE = “H”
P1
0
/A
8
/D
8
to
P1
7
/A
15
/D
15
RDE, WEL, WEH
P1
0
/A
8
/D
8
to
P1
7
/A
15
/D
15
RDE, WEL, WEH
P2
0
/A
0
/D
0
to
P2
7
/A
7
/D
7
RDE, WEL, WEH
Address A
8
– A
15
BYTE = “L”
P2
0
/A
0
/D
0
to
P2
7
/A
7
/D
7
BYTE = “H”
A
0
to A
7
Address
Data(even)
P2
0
/A
0
/D
0
to
P2
7
/A
7
/D
7
A
0
to A
7
Address
Data
(odd,even)
P3
0
/
WEL
P3
0
/
WEL,
P3
1
/
WEH
,
P3
2
/ALE,
P3
3
/
HLDA
P3
1
/
WEH
P3
2
/
ALE
P3
3
/
HLDA
RDE, WEL, WEH
ALE
HLDA
WEL
WEH
(Note)
(Note)
HOLD
HOLD
,
RDY
,
P4
2
/
1
,
RDY
HOLD
RDY
P4
2
/
1
P4
3
to
P4
7
___
(Note)
I/O Port
Ports P4
3
to P4
7
Fig. 9 Functions of pins P0
0
/
CS
0
to P4
7
in microprocessor mode
Note.
The signal output disable selection bit (bit 6 of the oscillation circuit control register 0) can stop the
1
output in the microprocessor
___ ___ ___
mode. In this mode, signals
RDE
,
WEL
,
WEH
can also be fixed to “H” when the internal memory area is accessed.
11
RENESAS [ RENESAS TECHNOLOGY CORP ]
