A45L9332A 查看數據表（PDF） - AMIC Technology
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A45L9332A Datasheet PDF : 55 Pages
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2. DQM Operation
1) Write Mask (BL=4)
CLK
CMD
DQMi
DQ(CL2)
DQ(CL3)
WR
D0
D1
Masked by CKE
D3
D0
D1
D3
DQM to Data-in Mask = 0CLK
A45L9332A Series
2) Read Mask (BL=4)
RD
Masked by CKE
Q0
Hi-Z
Q1
Q3
Hi-Z
Q1
Q2
Q3
DQM to Data-out Mask = 2
2) Read Mask (BL=4)
CLK
CMD
RD
CKE
DQM
DQ(CL2)
DQ(CL3)
Q0
Hi-Z
Q2
Hi-Z
Q4
Hi-Z
Q6
Q7
Q8
Hi-Z
Q1
Hi-Z
Q3
Hi-Z
Q5
Q6
Q7
* Note : 1. There are 4 DQMi (I=0~3).
Each DQMi masks 8 DQi’s. (1 Byte, 1 Pixel for 8bbp).
2. DQM makes data out Hi-Z after 2 clocks which should masked by CKE “L”.
PRELIMINARY (October, 2001, Version 0.1)
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AMIC Technology, Inc.
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