參數(shù)資料
型號(hào): AK4683_07
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Asynchronous Multi-Channel Audio CODEC with DIR/T
中文描述: 異步多聲道音頻編解碼器署長(zhǎng)/噸
文件頁(yè)數(shù): 13/84頁(yè)
文件大小: 1077K
代理商: AK4683_07
[AK4683]
MS0427-E-02
2007/04
- 13 -
Parameter
Audio Interface Timing (Slave Mode)
Normal mode
BICKA (BICKB) Period
BICKA (BICKB) Pulse Width Low
Pulse Width High
LRCKA (LRCKB) Edge to BICKA (BICKB) “
” (Note 24)
BICKA (BICKB) “
” to LRCKA (LRCKB) Edge (Note 24)
LRCKA (LRCKB) to SDTOA, SDTOB (MSB)
BICKA (BICKB) “
” to SDTOA, SDTOB
SDTIA1-3, SDTIB Hold Time
SDTIA1-3, SDTIB Setup Time
TDM 256 mode
BICKA Period
BICKA Pulse Width Low
Pulse Width High
LRCKA Edge to BICKA “
” (Note 24)
BICKA “
” to LRCKA Edge (Note 24)
BICKA “
” to SDTOA
SDTIA1 Hold Time
SDTIA1 Setup Time
TDM 128 mode
BICKA Period
BICKA Pulse Width Low
Pulse Width High
LRCKA Edge to BICKA “
” (Note 24)
BICKA “
” to LRCKA Edge (Note 24)
BICKA “
” to SDTOA
SDTIA1-2 Hold Time
SDTIA1-2 Setup Time
Audio Interface Timing (Master Mode)
Normal mode
BICKA (BICKB) Frequency
BICKA (BICKB) Duty
BICKA (BICKB) “
” to LRCKA (LRCKB) Edge
BICKA (BICKB)“
” to SDTO
SDTIA1-3, B Hold Time
SDTIA1-3, B Setup Time
TDM 256 mode
BICKA Frequency
BICKA Duty (Note 25)
BICKA “
” to LRCKA Edge
BICKA “
” to SDTOA
SDTIA1 Hold Time
SDTIA1 Setup Time
TDM 128 mode
BICKA Frequency
BICKA Duty (Note 26)
BICKA “
” to LRCKA Edge
BICKA “
” to SDTOA
SDTIA1-2 Hold Time
SDTIA1-2 Setup Time
Note 24. BICK rising edge must not occur at the same time as LRCK edge.
Note 25. When MCLK2/XTI is 512fs, dBCK is guaranteed. When 384fs and 256fs, dBCK can not be guaranteed.
Note 26. When MCLK2/XTI is 256fs, dBCK is guaranteed. When 128fs, dBCK can not be guaranteed.
Symbol
min
81
32
32
20
20
20
20
81
32
32
20
20
10
10
81
32
32
20
20
10
10
-20
20
20
-12
10
10
-12
10
10
typ
max
20
20
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Hz
%
ns
ns
ns
ns
Hz
%
ns
ns
ns
ns
Hz
%
ns
ns
ns
ns
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
tSDH
tSDS
tBCK
tBCKL
tBCKH
tLRB
tBLR
tBSD
tSDH
tSDS
20
tBCK
tBCKL
tBCKH
tLRB
tBLR
tBSD
tSDH
tSDS
20
fBCK
dBCK
tMBLR
tBSD
tSDH
tSDS
fBCK
dBCK
tMBLR
tBSD
tSDH
tSDS
fBCK
dBCK
tMBLR
tBSD
tSDH
tSDS
64fs
50
20
20
256fs
50
12
20
128fs
50
12
20
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