AK4589 Datasheet, PDF (15/76 Pages) Asahi Kasei Microsystems – 2/8 CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
[AK4589]
Parameter
Symbol
min
typ
max
Units
Audio Interface Timing (Slave Mode)
Normal mode
BICK1 Period
tBCK
81
ns
BICK1 Pulse Width Low
tBCKL
32
ns
Pulse Width High
tBCKH
32
ns
LRCK1 Edge to BICK1 “↑” (Note 19)
tLRB
20
ns
BICK1 “↑” to LRCK1 Edge (Note 19)
tBLR
20
ns
LRCK1 to SDTO1(MSB)
BICK1 “↓” to SDTO1
tLRS
tBSD
40
ns
40
ns
SDTI1-4,DAUX1 Hold Time
tSDH
20
ns
SDTI1-4,DAUX1 Setup Time
tSDS
20
ns
TDM 256 mode
BICK1 Period
tBCK
81
ns
BICK1 Pulse Width Low
tBCKL
32
ns
Pulse Width High
tBCKH
32
LRCK1 Edge to BICK1 “↑” (Note 19)
tLRB
20
BICK1 “↑” to LRCK1 Edge (Note 19)
tBLR
20
BICK1 “↓” to SDTO1
tBSD
ns
ns
ns
20
ns
SDTI1 Hold Time
tSDH
10
ns
SDTI1 Setup Time
tSDS
10
ns
TDM 128 mode
BICK1 Period
tBCK
81
ns
BICK1 Pulse Width Low
tBCKL
32
ns
Pulse Width High
tBCKH
32
LRCK1 Edge to BICK1 “↑” (Note 19)
tLRB
20
BICK1 “↑” to LRCK1 Edge (Note 19)
tBLR
20
BICK1 “↓” to SDTO1
tBSD
SDTI1-2 Hold Time
tSDH
10
ns
ns
ns
20
ns
ns
SDTI1-2 Setup Time
tSDS
10
ns
Audio Interface Timing (Master Mode)
Normal mode
BICK1 Frequency
fBCK
64fs
Hz
BICK1 Duty
BICK1 “↓” to LRCK1 Edge
BICK1“↓” to SDTO1
dBCK
50
%
tMBLR
-20
20
ns
tBSD
40
ns
SDTI1-4,DAUX1 Hold Time
tSDH
20
ns
SDTI1-4,DAUX1 Setup Time
tSDS
20
ns
TDM 256 mode
BICK1 Frequency
fBCK
256fs
Hz
BICK1 Duty
(Note 20)
dBCK
50
%
BICK1 “↓” to LRCK1 Edge
tMBLR
-12
12
ns
BICK1 “↓” to SDTO1
tBSD
20
ns
SDTI1 Hold Time
tSDH
10
ns
SDTI1 Setup Time
tSDS
10
ns
TDM 128 mode
BICK1 Frequency
fBCK
128fs
Hz
BICK1 Duty
(Note 21)
dBCK
50
%
BICK1 “↓” to LRCK1 Edge
tMBLR
-12
12
ns
BICK1 “↓” to SDTO1
tBSD
20
ns
SDTI1-2 Hold Time
tSDH
10
ns
SDTI1-2 Setup Time
tSDS
10
ns
Notes:
19. ͜ͷ֨ن஋͸LRCK1ͷΤοδͱBICK1ͷ্ཱ͕ͪΓΤοδ͕ॏͳΒͳ͍Α͏ʹنఆ͍ͯ͠·͢ɻ
20. MCLKʹ512fs͕ೖྗ͞Εͨ৔߹ͷ஋Ͱ͢ɻ(384fs,256fs͕ೖྗ͞Εͨ৔߹ɺDutyͷอূ͸Ͱ͖·ͤΜɻ)
21. MCLKʹ256fs͕ೖྗ͞Εͨ৔߹ͷ஋Ͱ͢ɻ(128fs͕ೖྗ͞Εͨ৔߹ɺDutyͷอূ͸Ͱ͖·ͤΜɻ)
MS0339-J-00
- 15 -
2004/09