ak4648 AKM Semiconductor, Inc., ak4648 Datasheet - Page 23

• Manufacturer Part Number: ak4648
• Description: Stereo Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

Parameter
Audio Interface Timing (DSP Mode)
Audio Interface Timing (Right/Left justified & I
Note 46. MSBS, BCKP bits = “00” or “11”.
Note 47. MSBS, BCKP bits = “01” or “10”.
Note 48. BICK rising edge must not occur at the same time as LRCK edge.
MS0625-E-01
Master Mode
Slave Mode
Master Mode
Slave Mode
LRCK “↑” to BICK “↑” (Note 46)
LRCK “↑” to BICK “↓” (Note 47)
BICK “↑” to SDTO (BCKP bit = “0”)
BICK “↓” to SDTO (BCKP bit = “1”)
SDTI Hold Time
SDTI Setup Time
LRCK “↑” to BICK “↑” (Note 46)
LRCK “↑” to BICK “↓” (Note 47)
BICK “↑” to LRCK “↑” (Note 46)
BICK “↓” to LRCK “↑” (Note 47)
BICK “↑” to SDTO (BCKP bit = “0”)
BICK “↓” to SDTO (BCKP bit = “1”)
SDTI Hold Time
SDTI Setup Time
BICK “↓” to LRCK Edge (Note 48)
LRCK Edge to SDTO (MSB)
BICK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
LRCK Edge to BICK “↑” (Note 48)
BICK “↑” to LRCK Edge (Note 48)
LRCK Edge to SDTO (MSB)
BICK “↓” to SDTO
SDTI Hold Time
SDTI Setup Time
(Except I
(Except I
2
2
S mode)
S mode)
Symbol
2
tMBLR
S)
tSDH
tSDH
tLRD
tSDH
tLRD
tSDH
tDBF
tDBF
tBSD
tBSD
tLRB
tLRB
tBLR
tBLR
tBSD
tBSD
tBSD
tLRB
tBLR
tBSD
tSDS
tSDS
tSDS
tSDS
- 23 -
0.5 x tBCK − 40
0.5 x tBCK − 40
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
0.4 x tBCK
min
−70
−70
−40
−70
−70
50
50
50
50
50
50
50
50
50
50
-
-
-
-
0.5 x tBCK
0.5 x tBCK
typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.5 x tBCK + 40
0.5 x tBCK + 40
max
70
70
80
80
40
70
70
80
80
-
-
-
-
-
-
-
-
-
-
-
-
-
-
[AK4648]
2007/06
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns