參數(shù)資料
型號(hào): AK4671
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/RCV/HP-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/垃圾車/惠普腺苷
文件頁數(shù): 22/164頁
文件大?。?/td> 1792K
代理商: AK4671
[AK4671]
MS0666-E-00
2007/10
- 22 -
Parameter
PCM Interface Timing (BICKA, SYNCA, SDTIA, SDTOA pins; Master Mode):
SYNCA Timing
Frequency
BICKA Timing
Period (BCKO2 bit = “0”)
(BCKO2 bit = “1”)
Duty Cycle
Serial Interface Timing at Short/long Frame Sync
SYNCA Edge to BICKA “
” (
Note 46
)
SYNCA Edge to BICKA “
” (
Note 47
)
BICKA “
” to SDTOA (BCKPA bit = “0”)
BICKA “
” to SDTOA (BCKPA bit = “1”)
SDTIA Hold Time
SDTIA Setup Time
SYNCA Pulse Width High
Serial Interface Timing at MSB justified and
I
2
S
BICKA “
” to SYNCA Edge
SYNCA to SDTOA (MSB) (Except I
2
S mode)
BICKA “
” to SDTOA
SDTIA Hold Time
SDTIA Setup Time
SYNCA Duty Cycle
Note 46. MSBSA, BCKPA bits = “00” or “11”.
Note 47. MSBSA, BCKPA bits = “01” or “10”.
Symbol
min
typ
max
-
-
-
-
Units
fs2
-
-
-
-
8
kHz
tBCK2
tBCK2
dBCK2
tSYB2
tSYB2
tBSD2
tBSD2
tSDH2
tSDS2
tSYH2
tMBSY2
tSYD2
tBSD2
tSDH2
tSDS2
dSYC2
1/(16fs2)
1/(32fs2)
50
0.5 x tBCK2
0.5 x tBCK2
-
-
-
-
tBCK2
-
-
-
-
-
50
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
0.5 x tBCK2
40
0.5 x tBCK2
40
70
70
50
50
-
40
70
70
50
50
-
0.5 x tBCK2 + 40
0.5 x tBCK2 + 40
70
70
-
-
-
40
70
70
-
-
-
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