參數(shù)資料
型號: A45L9332AF-7
廠商: AMIC Technology Corporation
英文描述: 256K X 32 Bit X 2 Banks Synchronous Graphic RAM
中文描述: 256 × 32位× 2銀行同步圖形內(nèi)存
文件頁數(shù): 20/55頁
文件大?。?/td> 1255K
代理商: A45L9332AF-7
A45L9332A Series
PRELIMINARY
(October, 2001, Version 0.1)
19
AMIC Technology, Inc.
2. DQM Operation
* 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”.
1) Write Mask (BL=4)
Masked by CKE
Q0
Q1
Q3
Q1
Q2
Q3
DQM to Data-out Mask = 2
2) Read Mask (BL=4)
WR
Masked by CKE
D0
D1
D3
D0
D1
D3
DQM to Data-in Mask = 0CLK
DQ(CL3)
DQ(CL2)
DQMi
CMD
CLK
RD
Hi-Z
Hi-Z
Q0
Q2
Q4
2) Read Mask (BL=4)
RD
Hi-Z
Hi-Z
Hi-Z
Q6
Q7
Q8
Hi-Z
Q1
Q3
Hi-Z
Hi-Z
Q5
Q6
Q7
CLK
CMD
CKE
DQM
DQ(CL2)
DQ(CL3)
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