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[AK4675]
MS0963-E-00
2008/05
- 30 -
Parameter Symbol
min
typ
max
Units
PCM Interface Timing (BICKA, SYNCA, SDTIA, SDTOA pins; Master Mode):
SYNCA
Timing
Frequency
fs2 - 8 -
kHz
BICKA
Timing
Period (BCKO2 bit = “0”)
tBCK2 - 1/(16fs2) - kHz
(BCKO2 bit = “1”)
tBCK2 - 1/(32fs2) - kHz
Duty Cycle
dBCK2
- 50 -
%
Serial Interface Timing at Short/long Frame Sync
SYNCA Edge to BICKA “
↑
” (
tSYB2
0.5 x tBCK2
−
40
0.5 x tBCK2
0.5 x tBCK2 + 40
ns
SYNCA Edge to BICKA “
↓
” (
tSYB2
0.5 x tBCK2
−
40
0.5 x tBCK2
0.5 x tBCK2 + 40
ns
BICKA “
↑
” to SDTOA (BCKPA bit = “0”)
tBSD2
−
70
- 70
ns
BICKA “
↓
” to SDTOA (BCKPA bit = “1”)
tBSD2
−
70
- 70
ns
SDTIA Hold Time
tSDH2
50
-
-
ns
SDTIA Setup Time
tSDS2
50
-
-
ns
SYNCA Pulse Width High
tSYH2
-
tBCK2
-
ns
Serial Interface Timing at MSB justified and
I
2
S
BICKA “
↓
” to SYNCA Edge
tBSY2
−
40
- 40
ns
SYNCA to SDTOA (MSB) (Except I
2
S mode)
tSYD2
−
70
- 70
ns
BICKA “
↓
” to SDTOA
tBSD2
−
70
- 70
ns
SDTIA Hold Time
tSDH2
50
-
-
ns
SDTIA Setup Time
tSDH2
50
-
-
ns
SYNCA Duty Cycle
dSYC2
-
50
-
%
Note 65. MSBSA, BCKPA bits = “00” or “11”.
Note 66. MSBSA, BCKPA bits = “01” or “10”.