M37754 Mitsubishi, M37754 Datasheet - Page 72
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M37754
Manufacturer Part Number
M37754
Description
SINGLE-CHIP 16BIT CMOS MICROCOMPUTER
Manufacturer
Mitsubishi
Datasheet
1.M37754.pdf
(114 pages)
Available stocks
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Part Number
Manufacturer
Quantity
Price
Part Number:
M37754S4CGP
Manufacturer:
RENESAS/瑞萨
Quantity:
20 000
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Fig. 85 Processor modes and ports P0 to P4, P10 and P11
Notes 1 : E signal is not output in the memory expansion and microprocessor modes.
72
Port
P10
Port
P11
Port
Port P3
Port P4
Port P0
Port P1
Port P2
2 : The signal output stop disable bit (bit 4 of particular function select register 0) can stop E output in the single-chip mode and
E/RD
BYTE = “L”
BYTE = “H”
BYTE = “L”
BYTE = “H”
__
processor mode. Similarly, when accessing the internal memory in the memory expansion and microprocessor modes, RD and WR output can be
fixed to “H”. Refer to Table 8 for details.
Mode
PM
PM
1
0
P10
P10
P11
P11
E/RD
P0
P2
P3
P3
P4
P4
Clock
processor mode register 0 is “1”.
to
to
to
to
to
E
E
E
0
7
E
0
3
0
7
E
0
7
0
7
1
is output from P4
Single-chip mode
I/O port
I/O port
I/O port
I/O port
I/O port
0
0
E (Note 1)
2
when bit 7 of
M37754M8C-XXXGP, M37754M8C-XXXHP
• When multiplex bus select bit is “1” and
• Condition except following
P10
P10
accessing CS
P10
P10
P10
P10
P11
P11
P11
P11
E/RD
P0
P2
to
P3
P3
P3
P3
P4
P4
P4
P4
Clock
processor mode register 0 is “1.”
to
to
to
to
to
to
E
E
E
0
7
E
0
7
E
0
1
2
3
0
1
2
7
E
E
Memory expansion mode (Note 1)
0
7
0
7
0
7
0
7
1
___
Address A
is output from P4
LA
4
Address
0
area
to LA
M37754S4CGP, M37754S4CHP
ALE
HOLD input
RDY input
I/O port
HLDA
0
1
BHE
I/O port
0
7
WR
to A
RD (Note 2)
(odd, even)
(odd, even)
Data (even)
Data (odd)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
(Note 2)
19
Data
__
Data
2
, A
when bit 7 of
23
MITSUBISHI MICROCOMPUTERS
Clock
bit 7 of processor mode register 0 ; others
are the same as left (Note 2)
Microprocessor mode (Note 1)
1
is output from P4
___
Same as left
Same as left
Same as left
Same as left
Same as left
Same as left
Same as left
Same as left
1
0
1
___
output in the micro-
2
regardless of
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