[AK4675]
MS0963-E-00
2008/05
- 29 -
Parameter Symbol
min
typ
max
Units
PCM Interface Timing (BICKA, SYNCA, SDTIA, SDTOA pins; Slave Mode):
SYNCA
Timing
Frequency
fs2 - 8
-
kHz
Serial Interface Timing at Short/long Frame Sync
BICKA Frequency
fBCK2 128 -
2048
kHz
BICKA Period
tBCK2 488 - - ns
BICKA Pulse Width Low
tBCKL2
200
-
-
ns
Pulse Width High
tBCKH2
200
-
-
ns
SYNCA Edge to BICKA “
↑
” (
)
tSYB2 50 - - ns
SYNCA Edge to BICKA “
↓
” (
)
tSYB2 50 - - ns
BICKA “
↑
” to SYNCA Edge (
tBSY2 50 - - ns
BICKA “
↓
” to SYNCA Edge (
tBSY2 50 - - ns
SYNCA to SDTOA (MSB) (Except Short Frame)
tSYD2
-
-
80
ns
BICKA “
↑
” to SDTOA (BCKPA bit = “0”)
tBSD2 - -
80
ns
BICKA “
↓
” to SDTOA (BCKPA bit = “1”)
tBSD2 - -
80
ns
SDTIA Hold Time
tSDH2
50
-
-
ns
SDTIA Setup Time
tSDS2
50
-
-
ns
SYNCA Pulse Width Low
tSYL2
0.8 x tBCK2
-
-
ns
Pulse Width High
tSYH2
0.8 x tBCK2
-
-
ns
Serial Interface Timing at MSB justified and
I
2
S
BICKA Frequency
fBCK2 256 -
2048
kHz
BICKA Period
tBCK2 488 - - ns
BICKA Pulse Width Low
tBCKL2
200
-
-
ns
Pulse Width High
tBCKH2
200
-
-
ns
SYNCA Edge to BICKA “
↑
”
tSYB2 50 - - ns
BICKA “
↑
” to SYNCA Edge
tBSY2 50 - - ns
SYNCA to SDTOA (MSB) (Except I
2
S mode)
tSYD2
-
-
80
ns
BICKA “
↓
” to SDTOA
tBSD2 - -
80
ns
SDTIA Hold Time
tSDH2
50
-
-
ns
SDTIA Setup Time
tSDH2
50
-
-
ns
SYNCA Duty Cycle
dSYC2
45
50
55
%
Note 65. MSBSA, BCKPA bits = “00” or “11”.
Note 66. MSBSA, BCKPA bits = “01” or “10”.