AK4586 Datasheet, PDF (11/54 Pages) Asahi Kasei Microsystems – MULTI CHANNEL AUDIO CODEC WITH DIR

ASAHI KASEI
Parameter
Symbol
min
Audio Interface Timing (Slave mode)
TDM= “0”
BICK Period
tBCK
160
BICK Pulse Width Low
tBCKL
65
Pulse Width High
tBCKH
65
LRCK Edge to BICK “↑”
(Note 20) tLRB
45
BICK “↑” to LRCK Edge
(Note 20) tBLR
45
LRCK to SDTO(MSB)
BICK “↓” to SDTO
(Note 21)
tLRS
tBSD
SDTI1-3, DAUX Hold Time
tSDH
40
SDTI1-3, DAUX Setup Time
tSDS
25
TDM= “1”
BICK Period
tBCK
81
BICK Pulse Width Low
tBCKL
32
Pulse Width High
tBCKH
32
LRCK Edge to BICK “↑”
(Note 20) tLRB
20
BICK “↑” to LRCK Edge
(Note 20) tBLR
20
BICK “↓” to SDTO
tBSD
SDTI1 Hold Time
tSDH
10
SDTI1 Setup Time
tSDS
10
Audio Interface Timing (Master mode)
TDM= “0”
BICK Frequency
fBCK
BICK Duty
BICK “↓” to LRCK Edge
dBCK
tMBLR
-20
BICK “↓” to SDTO
tBSD
SDTI1-3 Hold Time
tSDH
40
SDTI1-3 Setup Time
tSDS
25
TDM= “1”
BICK Frequency
fBCK
BICK Duty
BICK “↓” to LRCK Edge
BICK “↓” to SDTO
dBCK
tMBLR
-12
tBSD
SDTI1 Hold Time
tSDH
10
SDTI1 Setup Time
tSDS
10
Notes:
20. BICK rising edge must not occur at the same time as LRCK edge.
21. MSB justified format.
typ
64fs
50
256fs
50
[AK4586]
max
Units
ns
ns
ns
ns
ns
40
ns
40
ns
ns
ns
ns
ns
ns
ns
ns
20
ns
ns
ns
Hz
%
20
ns
40
ns
ns
ns
Hz
%
12
ns
20
ns
ns
ns
MS0097-E-01
- 11 -
2001/12