參數(shù)資料
型號(hào)： M37735MHBXXXFP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP80
封裝： 14 X 20 MM, PLASTIC, QFP-80
文件頁(yè)數(shù)： 46/90頁(yè)
文件大?。?/td> 1575K
代理商： M37735MHBXXXFP
50
MITSUBISHI MICROCOMPUTERS
M37735MHBXXXFP
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
PRELIMINARY
Notice:
This
is not
a final
specification.
Some
parametric
limits
are
subject
to change.
_ ___
Fig. 58 Relationship between ports P0 to P4, pin E/RDE and processor modes
Notes 1.
_
In the memory expansion mode and the microprocessor mode, signal E is not output.
2.
_
The signal output disable selection bit (bit 6 of the oscillation circuit control register 0) can stop the E signal output in the single-chip
___
mode and the
1
output in the microprocessor mode. In the memory expansion mode or the microprocessor mode, signals RDE,
___
WEL
, WEH can also be fixed to “H” when the internal memory area is accessed.
ALE
HLDA
I/O Port
Address
Data(odd)
Address A8 – A15
Address
Data(even)
Address
Data
(odd,even)
I/O Port
PM1
PM0
Mode
0
1
0
Single-chip mode
Memory expansion mode
Microprocessor mode
(Note 1)
(Note 2)
Port
E/RDE
Port P0
Port
P1
Port
P2
BYTE = “L”
BYTE = “H”
BYTE = “L”
BYTE = “H”
Port P3
Port P4
E
P00
to
P07
P10
to
P17
P20
to
P27
P30
to
P33
P40
to
P47
P42
(Note 2)
(Note 1)
1
P42
1
RDE
Address A17, A16
P06
P07
P10
to
P17
P10
to
P17
P20
to
P27
P20
to
P27
P30
P31
P32
P33
P40
P41
to
P47
In this case, bit 7 of the processor
mode register 0 is “0”
In this case, bit 7 of the processor
mode register 0 is “0”
Same as above except for P42
In this case, bit 7 of the processor
mode register 0 is “1”
Same as above except for P42
In this case, bit 7 of the processor
mode register 0 is “1”
Same as left
Same as left except for port P42 which
outputs
1
independent of the bit 7 of the
processor mode register 0 (Note 2)
RSMP
(Note 2)
WEH
WEL
HOLD
I/O Port
P05
CS0 – CS4
P00
to
P04
A8 to A15
E
RDY
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