AK4128A Datasheet, PDF (13/50 Pages) Asahi Kasei Microsystems – 8ch 216kHz / 24-Bit Asynchronous SRC

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