參數(shù)資料
型號: AK4642EN
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): 16/83頁
文件大?。?/td> 670K
代理商: AK4642EN
ASAHI KASEI
[AK4642EN]
MS0420-E-00
2005/09
- 16 -
Parameter
PLL Slave Mode (PLL Reference Clock = LRCK pin)
LRCK Input Timing
Frequency
Duty
BICK Input Timing
Period
Pulse Width Low
Pulse Width High
PLL Slave Mode (PLL Reference Clock = BICK pin)
LRCK Input Timing
Frequency
Duty
BICK Input Timing
Period
PLL3-0 bits = “0010”
PLL3-0 bits = “0011”
Pulse Width Low
Pulse Width High
External Slave Mode
MCKI Input Timing
Frequency
256fs
512fs
1024fs
Pulse Width Low
Pulse Width High
LRCK Input Timing
Frequency
256fs
512fs
1024fs
Duty
BICK Input Timing
Period
Pulse Width Low
Pulse Width High
Audio Interface Timing
Master Mode
BICK “
” to LRCK Edge (Note 34)
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 34)
BICK “
” to LRCK Edge (Note 34)
LRCK Edge to SDTO (MSB)
(Except I
2
S mode)
BICK “
” to SDTO
SDTI Hold Time
SDTI Setup Time
Note 34. BICK rising edge must not occur at the same time as LRCK edge.
Symbol
min
typ
max
Units
fs
7.35
45
-
-
48
55
kHz
%
Duty
tBCK
tBCKL
tBCKH
1/(64fs)
240
240
-
-
-
1/(32fs)
-
-
ns
ns
ns
fs
7.35
45
-
-
48
55
kHz
%
Duty
tBCK
tBCK
tBCKL
tBCKH
-
-
1/(32fs)
1/(64fs)
-
-
-
-
-
-
ns
ns
ns
ns
0.4 x tBCK
0.4 x tBCK
fCLK
fCLK
fCLK
tCLKL
tCLKH
1.8816
3.7632
7.5264
0.4/fCLK
0.4/fCLK
-
-
-
-
-
12.288
13.312
13.312
-
-
MHz
MHz
MHz
ns
ns
fs
fs
fs
7.35
7.35
7.35
45
-
-
-
-
48
26
13
55
kHz
kHz
kHz
%
Duty
tBCK
tBCKL
tBCKH
312.5
130
130
-
-
-
-
-
-
ns
ns
ns
tMBLR
tLRD
40
70
70
50
50
-
-
-
-
-
40
70
70
-
-
ns
ns
ns
ns
ns
tBSD
tSDH
tSDS
tLRB
tBLR
tLRD
tBSD
tSDH
tSDS
50
50
-
-
50
50
-
-
-
-
-
-
-
-
ns
ns
ns
ns
ns
ns
80
80
-
-
相關(guān)PDF資料
PDF描述
AK4643EN Stereo CODEC with MIC/HP/RCV/SPK-AMP
AK4645EZ Stereo CODEC with MIC/HP-AMP
AK4645 Stereo CODEC with MIC/HP-AMP
AK4646EZ Stereo CODEC with MIC/SPK-AMP
AK4646 Stereo CODEC with MIC/SPK-AMP
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