M37735S4BFP Datasheet, PDF (11/36 Pages) Mitsubishi Electric Semiconductor – 16-BIT CMOS MICROCOMPUTER

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MITSUBISHI MICROCOMPUTERS
M37735S4BFP
16-BIT CMOS MICROCOMPUTER
PM1
PM0
Mode
Pin
RDE
CS0 to CS4
RSMP, A16, A17
P10/A8/D8
to
P17/A15/D15
BYTE = “L”
BYTE = “H”
P20/A0/D0
to
P27/A7/D7
BYTE = “L”
BYTE = “H”
1
0
Microprocessor mode
RDE
RDE, WEL, WEH
P00/CS0
to
P04/CS4
P05/RSMP
P06/A16
P07/A17
CS0 — CS4
RSMP
Address A16, A17
RDE, WEL, WEH
P10/A8/D8 ^{A8 to A15}
to
P17/A15 /D15
Address
Data(odd)
(Note)
RDE, WEL, WEH
P10/A8/D8
to
P17/A15/D15
RDE, WEL, WEH
P20/A0/D0
to
P27/A7/D7
RDE, WEL, WEH
P20/A0/D0
to
P27/A7/D7
Address A8 – A15
A0 to A7
Address Data(even)
A0 to A7
Address Data
(odd,even)
P30/WEL,
P31/WEH,
P32/ALE,
P33/HLDA
P30/WEL
P31/WEH
P32/ALE
P33/HLDA
WEL
WEH
ALE
HLDA
(Note)
(Note)
RDE, WEL, WEH
HOLD,
RDY,
P42/ 1,
Ports P43 to P47
HOLD
RDY
P42/ 1
P43
to
P47
HOLD
RDY
I/O Port
___
Fig. 9 Functions of pins P00/CS0 to P47 in microprocessor mode
(Note)
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.
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