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參數資料
| 型號： | DDX4100ERRATA |
| 英文描述： | DDX4100 Errata January 17 2002 |
| 中文描述： | DDX4100勘誤表02年1月17日 |
| 文件頁數： | 14/27頁 |
| 文件大小： | 1737K |
| 代理商： | DDX4100ERRATA |
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DDX-4100
10.1 Reading a Coefficient Value
Depending on the bus used to read the coefficient, the following steps must be executed:
Reading from AC’97
o
Write 8 bit INDEX 40h and R/W bit at AC’97 address 7Ah
o
Read 16 lower data bits at AC’97 address 78h
o
Read 4 upper data bits at AC’97 address 7Ah
Reading From I
2
C
o
Write 8 bit address at I
2
C address 7Ah coefficient INDEX + 40h
o
Write R/W bit at I
C address 7Bh
o
Read 8 middle data bits at I
C address 78h
o
Read 8 lower data bits at I
2
C address 79h
o
Read 4 upper data bits at I
2
C address 7Bh
10.2 Writing a Coefficient Value
Depending on the bus used to write the coefficient, the following steps must be followed:
Writing from AC’97
o
Write 16 lower bit data at AC’97 address 78h
o
Write 8 bit INDEX 40h and R/W bit and 4 upper data bits at AC’97 address 7Ah
Writing from I
2
C
o
Write 8 middle data bits at I
2
C address 78h
o
Write 8 lower data bits at I
2
C address 79h
o
Write 8 bit address at I
2
C address 7Ah coeff INDEX +40h
o
Write 4 upper data bits and R/W bit at I
C address 7Bh
14
Details and Specifications are subject to change without notice
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