参数资料
型号: LC89052T
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDSO24
封装: 0.225 INCH, TSSOP-24
文件页数: 10/42页
文件大小: 482K
代理商: LC89052T
LC89052T
No.7457-18/42
8.4.4 Output data formats: special mode (DATAO)
The output format of after-demodulation audio data must be set with OFSEL[2:0].
In the format shown below, input data information except the audio data is output as well.
BCK, LRCK, and DATAO are output in synchronization with the rising edge of CKOUT. DATAO is output in
synchronization with the falling edge of BCK.
Generation of output data starts at the LRCK edge immediately after the ERROR output turns low.
(3) as bi-phase data output, the input bi-phase data is output in synchronization with 128fs clock BCK and fs clock
LRCK. However, BCK in PLL unlocked state is set to the 64fs clock.
As for NRZ data output in (4), (5), 28bits are output. 4 bits of validity (V), user data (U), channel status (C) and also
preamble B (Z) plus 24 bits of LSB first audio data. H is output as Z bit in the frames (L-ch and R-ch) whose
preamble B is confirmed.
The low level is output all the time except for the effective bit length of the NRZ data output.
Figure 8.7 Data Output Timing (Special Mode)
(3) : Biphase data output (OFSEL[2 : 0]=101)
LRCK
BCK
DATAO
LRCK
BCK
DATAO
LRCK
BCK
DATAO
LSB
28 bits
L-ch
R-ch
LSB
MSB
LSB
28 bits
L-ch
R-ch
VZ
Notice : "Z" means Preamble "B"
-24 bit-
LSB
L-ch
R-ch
28 bits
C
LSB
V
P
U
C
MSB V
P
U
C
UC
MSB
LSB
V
Z
-24 bit-
U C
MSB V
Z
-24 bit-
U C
MSB V
Z
-24 bit-
U C
Notice : "Z" means Preamble "B"
(4) : NRZ data I
2S output (OFSEL[2 : 0]=110)
(5) : NRZ data LSB first left-justified output (OFSEL[2 : 0]=111)
P
MSB
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