ak4671 AKM Semiconductor, Inc., ak4671 Datasheet - Page 23

• Manufacturer Part Number: ak4671
• Description: Stereo Codec With Mic/rcv/hp-amp
• Manufacturer: AKM Semiconductor, Inc.

Parameter
PCM Interface Timing (BICKB, SYNCB, SDTIB, SDTOB pins; Slave Mode):
Note 48. MSBSB, BCKPB bits = “00” or “11”.
Note 49. MSBSB, BCKPB bits = “01” or “10”.
MS0666-E-00
SYNCB Timing
Serial Interface Timing at Short/long Frame Sync
Serial Interface Timing at MSB justified and I
BICKB Frequency
BICKB Period
BICKB Pulse Width Low
BICKB “↓” to SYNCB Edge
BICKB “↑” to SYNCB Edge
SYNCB to SDTOB (MSB) (Except Short Frame)
BICKB “↑” to SDTOB (BCKPB bit = “0”)
BICKB “↓” to SDTOB (BCKPB bit = “1”)
SDTIB Hold Time
SDTIB Setup Time
SYNCB Pulse Width Low
BICKB Frequency
BICKB Period
BICKB Pulse Width Low
BICKB “↑” to SYNCB Edge
SYNCB to SDTOB (MSB) (Except I
BICKB “↓” to SDTOB
SDTIB Hold Time
SDTIB Setup Time
SYNCB Duty Cycle
Frequency
SYNCB Edge to BICKB “↓”
SYNCB Edge to BICKB “↑”
SYNCB Edge to BICKB “↑”
Pulse Width High
Pulse Width High
Pulse Width High
(Note
(Note
(Note
(Note
48)
49)
48)
49)
2
S mode)
2
S
- 23 -
tBCKH3
tBCKH3
tBCKL3
tBCKL3
Symbol
dSYC3
fBCK3
tBCK3
fBCK3
tBCK3
tSYB3
tSYB3
tBSY3
tBSY3
tSYD3
tBSD3
tBSD3
tSDH3
tSYH3
tSYB3
tBSY3
tSYD3
tBSD3
tSDH3
tSDS3
tSYL3
tSDS3
fs2
0.8 x tBCK3
0.8 x tBCK3
min
128
488
200
200
256
488
200
200
50
50
50
50
50
50
50
50
50
50
45
-
-
-
-
-
-
typ
50
8
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
2048
2048
max
80
80
80
80
80
55
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4671]
2007/10
Units
kHz
kHz
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%