參數(shù)資料
型號: M37902FGCGP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機
文件頁數(shù): 24/143頁
文件大?。?/td> 1463K
代理商: M37902FGCGP
M37902FCCHP, M37902FGCHP, M37902FJCHP
MITSUBISHI MICROCOMPUTERS
24
SHINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Fig. 16 Bus cycle waveform example for data access (access to external area) (3)
Note
: When the voltage level at pin BYTE =
L
, functions as pins D
8
to D
15
are valid. However, when 8-bit width is selected
as the external bus width by the chip select wait controller, the functions as pins D
8
to D
15
and BHW become invalid.
(D
8
to D
15
= floating, BHW =
H
output.) When the voltage level at pin BYTE =
H
, these pins function as programmable
I/O port (P2, P3
3
) pins.
E
32/16/
8-bit
data
read
32/16/
8-bit
data
written
Access starting from even or odd address
φ
1
A
0
to A
23
D
0
to D
7
D
8
to D
15
(Note)
ALE
(Note)
RD
BLW
BHW
Address
Address + 1
Address + 2
Address + 3
D
0
to D
7
D
0
to D
7
D
0
to D
7
D
0
to D
7
φ
1
A
0
to A
23
D
0
to D
7
D
8
to D
15
(Note)
ALE
(Note)
RD
BLW
BHW
Address
Address + 1
Address + 2
Address + 3
D
0
to D
7
D
0
to D
7
D
0
to D
7
D
0
to D
7
8-bit data access
16-bit data access
32-bit data access
8-bit data access
16-bit data access
32-bit data access
相關PDF資料
PDF描述
M37902FCCHP SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
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參數(shù)描述
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