[AK4128A]
Input PORT LRCK for Stereo Mode (ILRCK1-4)
Frequency
Duty Cycle
FSI
Duty
8
48
216
52
kHz
%
Slave Mode
50
Output PORT LRCK for Stereo Mode (OLRCK)
Frequency
Slave mode
FSO
FSO
FSO
FSO
FSO
FSO
Duty
Duty
8
8
8
8
8
216
216
108
96
54
48
kHz
kHz
kHz
kHz
kHz
kHz
%
Master mode OMCLK Input 128FSO mode
Master mode OMCLK Input 256FSO mode
Master mode OMCLK Input 384FSO mode
Master mode OMCLK Input 512FSO mode
Master mode OMCLK Input 768FSO mode
8
48
Duty Cycle
Slave Mode
Master Mode
50
50
52
%
Input PORT LRCK for TDM256 Mode (ILRCK1)
Asynchronous Inputs Mode (INAS pin = “L”)
Frequency
“H” time (slave mode)
“L” time (slave mode)
Output PORT LRCK for TDM256 Mode (OLRCK)
Frequency
FSI
tLRH
tLRL
8
48
48
kHz
ns
ns
1/256FSI
1/256 FSI
FSO
tLRH
tLRL
8
kHz
ns
ns
“H” time (slave mode)
“L” time (slave mode)
1/256 FSO
1/256 FSO
“H” time
(Master mode, TDM256 24bit MSB justified)
“L” time
tLRH
tLRL
-
-
1/8 FSO
1/8 FSO
-
-
ns
ns
(Master mode, TDM256 24bit I2S)
Audio Interface Timing
Input PORT ( Stereo Slave mode)
IBICK1-4 Period (FSI= 8kHz ∼ 54kHz)
(FSI=54kHz ∼ 108kHz)
(FSI=108kHz ∼ 216kHz)
IBICK1-4 Pulse Width Low
tBCK
tBCK
tBCK
tBCKL
tBCKH
tLRB
tBLR
tSDH
tSDS
1/256 FSI
1/128 FSI
1/64 FSI
ns
ns
ns
ns
ns
ns
ns
ns
ns
27
27
15
15
15
15
Pulse Width High
ILRCK1-4 Edge to IBICK1-4 “↑”(Note 17)
IBICK1-4 “↑” to ILRCK1-4 Edge (Note 17)
SDTI1-4 Hold Time from IBICK1-4 “↑”
SDTI1-4 Setup Time to IBICK1-4 “↑”
Input PORT (TDM256 slave mode)
IBICK1 Period
tBCK
tBCKL
tBCKH
tLRB
tBLR
tSDH
tSDS
81
32
32
20
20
20
10
ns
ns
ns
ns
ns
ns
ns
IBICK1 Pulse Width Low
Pulse Width High
ILRCK1 Edge to IBICK1 “↑”
IBICK1 “↑” to ILRCK1 Edge
(Note 17)
(Note 17)
SDTI1 Hold Time from IBICK1 “↑”
SDTI1 Setup Time to IBICK1 “↑”
Output PORT ( Stereo Slave mode)
OBICK Period (FSO= 8kHz ∼ 54kHz)
(FSO= 54kHz ∼ 108kHz)
(FSO=108kHz ∼ 216kHz)
OBICK Pulse Width Low
tBCK
tBCK
tBCK
tBCKL
tBCKH
tLRB
tBLR
tLRS
tBSD
1/256 FSO
1/128 FSO
1/64 FSO
ns
ns
ns
ns
ns
ns
ns
ns
ns
27
27
20
20
Pulse Width High
OLRCK Edge to OBICK “↑” (Note 17)
OBICK “↑” to OLRCK Edge (Note 17)
OLRCK to SDTO1-4 (MSB) (Except I2S mode)
OBICK “↓” to SDTO1-4
20
20
MS1242-E-00
2010/09
- 13 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
