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參數(shù)資料
| 型號(hào)： | AK4544 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| 中文描述： | AC97多媒體音頻編解碼器與SRC |
| 文件頁數(shù)： | 34/35頁 |
| 文件大小： | 381K |
| 代理商： | AK4544 |
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[ASAHI KASEI] [AK4544A]
<MS0026-E-00> - 34 -
Appendix
1.
Summary of the relationship of Slot 0 tag bit between SDATA_OUT and SDATA_IN
Following two tables describe the Slot0 tag bits relationship between SDATA_OUT and SDATA_IN.
Whenever the AC ’97 Digital Controller addresses the Primary AK 4544A or the AK 4544A responds to a read
command, Slot 0 tag bits should always be set to indicate actual Slot 1 and Slot 2 data validity.
Function
Slot 0, bit 15
(Valid Frame)
1
Slot 0, bit 14
(Valid Slot 1 Address)
1
Slot 0, bit 13
(Valid Slot 2 Data)
0
Slot 0, Bits 1-0
(Codec ID)
00
AC ’97 Digital Controler Primary Read
Frame N, SDATA_OUT
AC ’97 Digital Controler Primary Write
Frame N, SDATA_OUT
AK4544A Status
Frame N+1, SDATA_IN
1
1
1
00
1
1
1
00
Primary AK4544A Addressing: Slot 0 tag bits
When the AC ’97 Digital Controller addresses a Secondary AK 4544A, the Slot 0 Tag bits for Address and Data must
be “0”.
A non-zero 2-bit Codec ID in the L SBs of Slot 0 indicates a valid Read or Write Address in Slot 1, and the
Slot 1 R/W bit indicates presence or absence of valid Data in Slot 2.
Function
Slot 0, bit 15
(Valid Frame)
1
Slot 0, bit 14
(Valid Slot 1 Address)
0
Slot 0, bit 13
(Valid Slot 2 Data)
0
Slot 0, Bits 1-0
(Codec ID)
01, 10, or 11
AC ’97 Digital Controler Secondary
Read
Frame N, SDATA_OUT
AC ’97 Digital Controler Secondary
Write
Frame N, SDATA_OUT
AK4544A Status
Frame N+1, SDATA_IN
1
0
0
01, 10, or 11
1
1
1
00
Secondary AK4544A Addressing: Slot 0 tag bits
2.
Summary of the relationship with Slot 0 tag bits and the SLOTREQ position in Slot1 of SDATA_IN with respect to
the multiple codec assignment.
In the case of SDATA_OUT, when the AC ’97 Digital Controller addresses a Secondary AK 4544A, the Slot 0 Tag bits
for Address and Data must be “0”. Instead, either bit or both bits of Bit1-0 in Slot0 must be “1” for Read /Write
operation for secondary codec.
Function
Slot 0, bit 15
(Valid Frame)
1
Slot 0, bit 14
(Valid Slot 1 Address)
1 or 0
Slot 0, bit 13
(Valid Slot 2 Data)
1 or 0
Slot 0, Bits
1-0 (Codec ID)
00
Slot 1
SLOTREQ
Bit11 for PCM Left
Bit10 for PCM Right
Bit7 for PCM Left
Bit6 for PCM Right
Bit8 for PCM Left
Bit5 for PCM Right
Primary (Codec ID=0:0 or 0:1)
Secondary(CodecID=1:0)
1
1 or 0
1 or 0
00
Secondary(CodecID=1:1)
1
1 or 0
1 or 0
00
SLOTREQ position in Slot1 of SDATA_IN
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AK4544A | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4544AVQ | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 MULTIMEDIA AUDIO CODEC WITH SRC |
| AK4545 | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4545VQ | 制造商:AKM 制造商全稱:AKM 功能描述:AC97 AUDIO CODEC WITH SRC AND DIT |
| AK4550 | 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.C FOR AK4550 |
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