AK4671_10 Datasheet, PDF (21/166 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/RCV/HP-AMP

[AK4671]
Parameter
Symbol
min
typ
PCM Interface Timing (BICKA, SYNCA, SDTIA, SDTOA pins; Slave Mode):
SYNCA Timing
Frequency
fs2
-
8
Serial Interface Timing at Short/long Frame Sync
BICKA Frequency
fBCK2
128
-
BICKA Period
tBCK2
488
-
BICKA Pulse Width Low
tBCKL2
200
-
Pulse Width High
tBCKH2
200
-
SYNCA Edge to BICKA “↓” (Note 46)
tSYB2
50
-
SYNCA Edge to BICKA “↑” (Note 47)
tSYB2
50
-
BICKA “↓” to SYNCA Edge (Note 46)
tBSY2
50
-
BICKA “↑” to SYNCA Edge (Note 47)
tBSY2
50
-
SYNCA to SDTOA (MSB) (Except Short Frame) tSYD2
-
-
BICKA “↑” to SDTOA (BCKPA bit = “0”)
tBSD2
-
-
BICKA “↓” to SDTOA (BCKPA bit = “1”)
tBSD2
-
-
SDTIA Hold Time
tSDH2
50
-
SDTIA Setup Time
tSDS2
50
-
SYNCA Pulse Width Low
tSYL2 0.8 x tBCK2 -
Pulse Width High
tSYH2 0.8 x tBCK2 -
Serial Interface Timing at MSB justified and I²S
BICKA Frequency
fBCK2
256
-
BICKA Period
tBCK2
488
-
BICKA Pulse Width Low
tBCKL2
200
-
Pulse Width High
tBCKH2
200
-
SYNCA Edge to BICKA “↑”
tSYB2
50
-
BICKA “↑” to SYNCA Edge
tBSY2
50
-
SYNCA to SDTOA (MSB) (Except I²S mode)
tSYD2
-
-
BICKA “↓” to SDTOA
tBSD2
-
-
SDTIA Hold Time
tSDH2
50
-
SDTIA Setup Time
tSDS2
50
-
SYNCA Duty Cycle
dSYC2
45
50
Note 46. MSBSA, BCKPA bits = “00” or “11”.
Note 47. MSBSA, BCKPA bits = “01” or “10”.
max Units
-
kHz
2048 kHz
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
-
ns
80
ns
80
ns
80
ns
-
ns
-
ns
-
ns
-
ns
2048 kHz
-
ns
-
ns
-
ns
-
ns
-
ns
80
ns
80
ns
-
ns
-
ns
55
%
MS0666-E-02
- 21 -
2010/06