ak4671 AKM Semiconductor, Inc., ak4671 Datasheet - Page 21

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

Parameter
PCM Interface Timing (BICKA, SYNCA, SDTIA, SDTOA pins; Slave Mode):
Note 46. MSBSA, BCKPA bits = “00” or “11”.
Note 47. MSBSA, BCKPA bits = “01” or “10”.
MS0666-E-00
SYNCA Timing
Serial Interface Timing at Short/long Frame Sync
Serial Interface Timing at MSB justified and I
BICKA Frequency
BICKA Period
BICKA Pulse Width Low
BICKA “↓” to SYNCA Edge
BICKA “↑” to SYNCA Edge
SYNCA to SDTOA (MSB) (Except Short Frame)
BICKA “↑” to SDTOA (BCKPA bit = “0”)
BICKA “↓” to SDTOA (BCKPA bit = “1”)
SDTIA Hold Time
SDTIA Setup Time
SYNCA Pulse Width Low
BICKA Frequency
BICKA Period
BICKA Pulse Width Low
BICKA “↑” to SYNCA Edge
SYNCA to SDTOA (MSB) (Except I
BICKA “↓” to SDTOA
SDTIA Hold Time
SDTIA Setup Time
SYNCA Duty Cycle
Frequency
SYNCA Edge to BICKA “↓”
SYNCA Edge to BICKA “↑”
SYNCA Edge to BICKA “↑”
Pulse Width High
Pulse Width High
Pulse Width High
(Note
(Note
(Note
(Note
46)
47)
46)
47)
2
S mode)
2
S
- 21 -
tBCKH2
tBCKH2
tBCKL2
tBCKL2
Symbol
fBCK2
fBCK2
dSYC2
tBCK2
tSYD2
tSDH2
tSYH2
tBCK2
tSYD2
tSDH2
tSYB2
tSYB2
tBSY2
tBSY2
tBSD2
tBSD2
tSYL2
tSYB2
tBSY2
tBSD2
tSDS2
tSDS2
fs2
0.8 x tBCK2
0.8 x tBCK2
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
%