AK4683_07 Datasheet, PDF (13/84 Pages) Asahi Kasei Microsystems – Asynchronous Multi-Channel Audio CODEC with DIR/T

[AK4683]
Parameter
Audio Interface Timing (Slave Mode)
Normal mode
BICKA (BICKB) Period
BICKA (BICKB) Pulse Width Low
Pulse Width High
LRCKA (LRCKB) Edge to BICKA (BICKB) “↑” (Note 24)
BICKA (BICKB) “↑” to LRCKA (LRCKB) Edge (Note 24)
LRCKA (LRCKB) to SDTOA, SDTOB (MSB)
BICKA (BICKB) “↓” to SDTOA, SDTOB
SDTIA1-3, SDTIB Hold Time
SDTIA1-3, SDTIB Setup Time
TDM 256 mode
BICKA Period
BICKA Pulse Width Low
Pulse Width High
LRCKA Edge to BICKA “↑” (Note 24)
BICKA “↑” to LRCKA Edge (Note 24)
BICKA “↓” to SDTOA
SDTIA1 Hold Time
SDTIA1 Setup Time
TDM 128 mode
BICKA Period
BICKA Pulse Width Low
Pulse Width High
LRCKA Edge to BICKA “↑” (Note 24)
BICKA “↑” to LRCKA Edge (Note 24)
BICKA “↓” to SDTOA
SDTIA1-2 Hold Time
SDTIA1-2 Setup Time
Audio Interface Timing (Master Mode)
Normal mode
BICKA (BICKB) Frequency
BICKA (BICKB) Duty
BICKA (BICKB) “↓” to LRCKA (LRCKB) Edge
BICKA (BICKB)“↓” to SDTO
SDTIA1-3, B Hold Time
SDTIA1-3, B Setup Time
TDM 256 mode
BICKA Frequency
BICKA Duty
(Note 25)
BICKA “↓” to LRCKA Edge
BICKA “↓” to SDTOA
SDTIA1 Hold Time
SDTIA1 Setup Time
TDM 128 mode
BICKA Frequency
BICKA Duty
(Note 26)
BICKA “↓” to LRCKA Edge
BICKA “↓” to SDTOA
SDTIA1-2 Hold Time
SDTIA1-2 Setup Time
Symbol min typ max Units
tBCK
81
tBCKL
32
tBCKH
32
tLRB
20
tBLR
20
tLRS
tBSD
tSDH
20
tSDS
20
tBCK
81
tBCKL
32
tBCKH
32
tLRB
20
tBLR
20
tBSD
tSDH
10
tSDS
10
tBCK
81
tBCKL
32
tBCKH
32
tLRB
20
tBLR
20
tBSD
tSDH
10
tSDS
10
ns
ns
ns
ns
ns
20
ns
20
ns
ns
ns
ns
ns
ns
ns
ns
20
ns
ns
ns
ns
ns
ns
ns
ns
20
ns
ns
ns
fBCK
64fs
Hz
dBCK
50
%
tMBLR -20
20
ns
tBSD
20
ns
tSDH
20
ns
tSDS
20
ns
fBCK
256fs
Hz
dBCK
50
%
tMBLR
-12
12
ns
tBSD
20
ns
tSDH
10
ns
tSDS
10
ns
fBCK
128fs
Hz
dBCK
50
%
tMBLR
-12
12
ns
tBSD
20
ns
tSDH
10
ns
tSDS
10
ns
Note 24. BICK rising edge must not occur at the same time as LRCK edge.
Note 25. When MCLK2/XTI is 512fs, dBCK is guaranteed. When 384fs and 256fs, dBCK can not be guaranteed.
Note 26. When MCLK2/XTI is 256fs, dBCK is guaranteed. When 128fs, dBCK can not be guaranteed.
MS0427-E-02
- 13 -
2007/04