M32L1632512A Datasheet, PDF (29/54 Pages) List of Unclassifed Manufacturers – 256K x 32 Bit x 2 Banks Synchronous Graphic RAM

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M32L1632512A
i) ILLUSTRATION
I/O (=DQ)
Color Register
DQMi
Mask Register
Before Write
After Write
31
24
Blue
11000011
DQM3=0
11111111
Yellow
00001111
Blue
11000011
23
16
Green
11100001
DQM2=0
11011101
Yellow
00001111
Blue
11000011
15
6
Yellow
00001111
DQM1=0
01000010
Green
11100001
Red
10100011
7
0
Red
10100011
DQM0=1
01110110
White
00000000
White
00000000
I/O (=DQ)
DQMi
Color Register
000
Before 001
Block ₀₁₀
Write
&
011
DQ
100
(Pixel
data)
101
110
111
After
Block
Write
000
001
010
011
100
101
110
111
Note 2
31
24
DQM3=0
Color3=Blue
Yellow DQ24=H
Yellow DQ25=H
Yellow DQ26=H
Yellow DQ27=L
Yellow DQ28=H
Yellow DQ29=H
Yellow DQ30=H
Yellow DQ31=L
Blue
Blue
Blue
Yellow
Blue
Blue
Blue
Yellow
23
16
DQM2=0
Color2=Green
Yellow DQ16=H
Yellow DQ17=H
Yellow DQ18=H
Yellow DQ19=H
Yellow DQ20=H
Yellow DQ21=H
Yellow DQ22=H
Yellow DQ23=H
Blue
Blue
Blue
Blue
Blue
Blue
Blue
Blue
15
6
DQM1=0
Color1=Yellow
Green DQ8=H
Green DQ9=L
Green DQ10=H
Green DQ11=L
Green DQ12=H
Green DQ13=L
Green DQ14=H
Green DQ15=L
Red
Green
Red
Green
Red
Green
Red
Green
7
0
DQM0=1
Color0=Red
White DQ0=L
White DQ1=H
White DQ2=H
White DQ3=H
White DQ4=L
White DQ5=H
White DQ6=H
White DQ7=H
White
White
White
White
White
White
White
White
Note 1
PIXEL MASK
I/O MASK PIXEL & I/O MASK BYTE MASK
*Note : 1. DQM byte masking.
2. At normal write, ONE column is selected among columns decorded by A2-0(000-111)
At block write, instead of ignored address A2-0, DQ0-31 control each pixel.
Elite Semiconductor Memory Technology Inc.
Publication Date : Jun. 2001
Revision : 1.6
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