AK4671_10 Datasheet, PDF (23/166 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/RCV/HP-AMP

[AK4671]
Parameter
Symbol
min
typ
PCM Interface Timing (BICKB, SYNCB, SDTIB, SDTOB pins; Slave Mode):
SYNCB Timing
Frequency
fs2
-
8
Serial Interface Timing at Short/long Frame Sync
BICKB Frequency
fBCK3
128
-
BICKB Period
tBCK3
488
-
BICKB Pulse Width Low
tBCKL3
200
-
Pulse Width High
tBCKH3
200
-
SYNCB Edge to BICKB “↓” (Note 48)
tSYB3
50
-
SYNCB Edge to BICKB “↑” (Note 49)
tSYB3
50
-
BICKB “↓” to SYNCB Edge (Note 48)
tBSY3
50
-
BICKB “↑” to SYNCB Edge (Note 49)
tBSY3
50
-
SYNCB to SDTOB (MSB) (Except Short Frame) tSYD3
-
-
BICKB “↑” to SDTOB (BCKPB bit = “0”)
tBSD3
-
-
BICKB “↓” to SDTOB (BCKPB bit = “1”)
tBSD3
-
-
SDTIB Hold Time
tSDH3
50
-
SDTIB Setup Time
tSDS3
50
-
SYNCB Pulse Width Low
tSYL3 0.8 x tBCK3 -
Pulse Width High
tSYH3 0.8 x tBCK3 -
Serial Interface Timing at MSB justified and I²S
BICKB Frequency
fBCK3
256
-
BICKB Period
tBCK3
488
-
BICKB Pulse Width Low
tBCKL3
200
-
Pulse Width High
tBCKH3
200
-
SYNCB Edge to BICKB “↑”
tSYB3
50
-
BICKB “↑” to SYNCB Edge
tBSY3
50
-
SYNCB to SDTOB (MSB) (Except I²S mode)
tSYD3
-
-
BICKB “↓” to SDTOB
tBSD3
-
-
SDTIB Hold Time
tSDH3
50
-
SDTIB Setup Time
tSDS3
50
-
SYNCB Duty Cycle
dSYC3
45
50
Note 48. MSBSB, BCKPB bits = “00” or “11”.
Note 49. MSBSB, BCKPB 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
- 23 -
2010/06