參數(shù)資料
型號(hào)： M37735MHBXXXFP
元件分類(lèi)： 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, 0.80 MM PITCH, PLASTIC, QFP-80
文件頁(yè)數(shù)： 49/93頁(yè)
文件大小： 1802K
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
P42
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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