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參數(shù)資料
| 型號： | M66271FP |
| 廠商： | Mitsubishi Electric Corporation |
| 英文描述： | OPERATION PANEL CONTROLLER |
| 中文描述： | 操作面板控制器 |
| 文件頁數(shù)： | 5/21頁 |
| 文件大小： | 289K |
| 代理商： | M66271FP |
OPERATION PANEL CONTROLLER
M66271FP
MITSUBISHI <DIGITAL ASSP>
Combination of control input pins for MPU interface
(1) Access control register (Use address=A<4:0>,Data=D<7:0>)
Operation
IOCS LWR
RD
L
L
H
H
L
X
L
H
X
Invalid
Write to control register
Read from control register
(2-2) When use 16-bit MPU (In MPU controls byte access with A<0> and BHE. MPUSEL=HWR="H":set)
MPU
SEL
A<0>
BHE
MCS
HWR LWR
H
L
H
L
H
L
H
L
H
X
H
L
L
L
H
Upper byte
Lower byte
H
L
Write
Invalid
Write
Invalid
Write
Invalid
Invalid
Invalid
Invalid
Invalid
Invalid
Write
Invalid
Write
Invalid
Invalid
Valid data bus
width of MPU
16-bit
H
X
X
H
Upper 8-bit
Lower 8-bit
Lower 8-bit
Even if A<0>="H",
enable to write
(2-
3
) When use 16-bit MPU (In MPU controls byte access with LWR and HWR. MPUSEL=BHE=A<0>="H":set)
MPU
SEL
A<0>
BHE
MCS
HWR LWR
L
L
H
L
H
X
H
H
L
H
Upper byte
Lower byte
H
Write
Write
Invalid
Write
Invalid
Write
Invalid
Invalid
X
H
Valid data bus
width of MPU
16-bit
Upper 8-bit
Lower 8-bit
(3) Reading from VRAM
(3-1) When use 8-bit MPU (MPUSEL="L",BHE="H":set)
MPU
SEL
MCS
H
X
L
Odd address
Even address
Invalid
Read
Invalid
A<0>
RD
L
H
X
H
L
L
Read
Invalid
Invalid
BHE
H
Valid data bus
width of MPU
8-bit
Table-1 – 6 show conditions of input setting when access the control register and VRAM from MPU
(2) Writing to VRAM
(2-1) When use 8-bit MPU (MPUSEL="L",BHE=HWR="H":set)
(3-2) When use 16-bit MPU (MPUSEL="H":set)
Note:Avoid setting combination except above,as cause of error action
:X="L" or "H"
MPU
SEL
MCS
H
Upper byte
Lower byte
X
A<0>
RD
H
L
H
Read
Read
Invalid
Invalid
BHE
Valid data bus
width of MPU
16-bit
L
X
X
MPU
SEL
L
A<0>
BHE
MCS
HWR LWR
L
H
L
H
X
X
H
L
H
X
H
Odd address
Even address
Invalid
Write
Write
Invalid
Invalid
Invalid
Valid data bus
width of MPU
8-bit
Table-1
Table-2
Table-3
Table-4
Table-5
Table-6
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相關代理商/技術參數(shù) |
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| M66272 | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:LCD CONTROLLER with VRAM |
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| M66280FP | 制造商:MITSUBISHI 制造商全稱:Mitsubishi Electric Semiconductor 功能描述:5120 x 8-BIT LINE MEMORY |
| M66280FP(#TB0T) | 制造商:Renesas Electronics Corporation 功能描述: |
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