wm8802scft/v Wolfgang Knap, wm8802scft/v Datasheet - Page 35
wm8802scft/v
Manufacturer Part Number
wm8802scft/v
Description
Digital Audio Interface Transceiver
Manufacturer
Wolfgang Knap
Datasheet
1.WM8802SCFTV.pdf
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USER DATA INPUT (UI)
User data can be input from RX6/UI by switching the RX6/UI input contents using UISEL.
The user data write timing is shown below.
Figure 28 User Data Input Timing
MODULATED OUTPUT OF SDIN INPUT DATA
SDIN input data is modulated and can be output from TXO and RXOUT.
The setting to modulate SDIN input data is set using TDTSEL.
A clock should be input to synchronize SDIN to TMCK, TBCK and TLRCK.
Match the SDIN input data format to the setting used during modulation processing.
MONAURAL OUTPUT
It is possible to output the data of only one input data channel at the input rate of fs/2 with
TXMOD[0:1].
This operation maintains the bi-phase modulation regularity but there is no correlation between the
data and preambles.
Channel status write is synchronized with the output rate.
The validity flag and user data are written in frame units. Input the same data to the L and R
channels.
Figure 29 Modulation of Data of Single Channel
Internal latch signal
TXO [1]
TXO [2]
TLRCK
TDATA
TLRCK
TBCK
Ln
Rn
UI
R0
M
M
L1
L0
R0
R1
U
W
W
L2
L1
R1
R2
U
M
M
L3
L2
R2
U
R3
W
W
L4
U
R3
L3
R4
PP Rev 1.1 April 2004
M
M
L5
U
R4
L4
WM8802
R5
35
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