參數(shù)資料
型號(hào): AK4648EC
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 23/119頁
文件大?。?/td> 1272K
代理商: AK4648EC
[AK4648]
MS0625-E-01
2007/06
- 23 -
Parameter
Audio Interface Timing (DSP Mode)
Master Mode
LRCK “
” to BICK “
” (Note 46)
LRCK “
” to BICK “
” (Note 47)
BICK “
” to SDTO (BCKP bit = “0”)
BICK “
” to SDTO (BCKP bit = “1”)
SDTI Hold Time
SDTI Setup Time
Slave Mode
LRCK “
” to BICK “
” (Note 46)
LRCK “
” to BICK “
” (Note 47)
BICK “
” to LRCK “
” (Note 46)
BICK “
” to LRCK “
” (Note 47)
BICK “
” to SDTO (BCKP bit = “0”)
BICK “
” to SDTO (BCKP bit = “1”)
SDTI Hold Time
SDTI Setup Time
Audio Interface Timing (Right/Left justified & I
2
S)
Master Mode
BICK “
” to LRCK Edge (Note 48)
LRCK Edge to SDTO (MSB)
(Except I
2
S mode)
BICK “
” to SDTO
SDTI Hold Time
SDTI Setup Time
Slave Mode
LRCK Edge to BICK “
” (Note 48)
BICK “
” to LRCK Edge (Note 48)
LRCK Edge to SDTO (MSB)
(Except I
2
S mode)
BICK “
” to SDTO
SDTI Hold Time
SDTI Setup Time
Note 46. MSBS, BCKP bits = “00” or “11”.
Note 47. MSBS, BCKP bits = “01” or “10”.
Note 48. BICK rising edge must not occur at the same time as LRCK edge.
Symbol
min
typ
max
Units
tDBF
tDBF
tBSD
tBSD
tSDH
tSDS
0.5 x tBCK
40
0.5 x tBCK
40
70
70
50
50
0.5 x tBCK
0.5 x tBCK
-
-
-
-
0.5 x tBCK + 40
0.5 x tBCK + 40
70
70
-
-
ns
ns
ns
ns
ns
ns
tLRB
tLRB
tBLR
tBLR
tBSD
tBSD
tSDH
tSDS
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
-
-
50
50
-
-
-
-
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
ns
ns
80
80
-
-
tMBLR
tLRD
tBSD
tSDH
tSDS
40
70
70
50
50
-
-
-
-
-
40
70
70
-
-
ns
ns
ns
ns
ns
tLRB
tBLR
tLRD
tBSD
tSDH
tSDS
50
50
-
-
50
50
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
80
80
-
-
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