參數(shù)資料
型號： M66273FP
廠商： Mitsubishi Electric Corporation
英文描述： LCD CONTROLLER with VRAM
中文描述： 液晶顯示控制器顯存
文件頁數(shù)： 29/34頁
文件大?。?/td> 297K
代理商： M66273FP
LCD CONTROLLER with VRAM
M66273FP
MITSUBISHI <DIGITAL ASSP>
Ver.3.1 Dec,1999
"H"
tsu(A-MCS)
tsu(A-WR)
th(WR-A)
tw(WR)
tw(MCS)
th(MCS-A)
th(MCS-D)
"H"
ta(MCS-D)
tsu(A-MCS)
tsu(A-RD)
th(RD-A)
th(MCS-A)
tdis(MCS-D)
ta(RD-D)
Term of non cycle steal access
Note 3 : Writing/reading operation for VRAM during non cycle steal access is performed during
"L" overlapping of MCS and LWR
(+HWR) or RD input signal.
Limits of MCS, LWR (+HWR) and RD are prescribed by the input signal of last change to "L" in starting access, and by the
input signal of first change to "H" in ending access.
Data input is established
Address is established
Data output is established
Address is established
(3) Write to VRAM
( RD = "H" )
th(WR-D)
tdis(RD-D)
MCS
LWR
(+HWR)
WAIT
D<7:0>
(D<15:0>)
A<14:0>
(+BHE)
MCS
RD
WAIT
D<7:0>
(D<15:0>)
A<14:0>
(4) Read from VRAM
Term of non cycle steal access
(LWR, HWR = "H")
29
tsu(D-MCS)
tsu(D-WR)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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