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WM8802
OTHER OUTPUTS
VALIDITY FLAG OUTPUT (VO)
The validity flag can be output from the AUDIO /VO pin by selecting the AUDIO /VO output with
VOSEL.
The validity flags transferred at each sub-frame are output as indicated in the timing diagram below.
VO
OUTPUT CONDITIONS
No error (not burst data)
Error (May be burst data)
0
1
Table 14 VO Output
RLRCK
RBCK
UO
L1
R1
L2
R2
L3
V-L1
V-R1
V-L2
V-R2
V-L3
Figure 22 Validity Flag Output Timing
USER DATA OUTPUT (UO)
User data can be output from the EMPHA/UO pin by selecting the EMPHA/UO output using UOSEL.
The user data transferred at each sub-frame is output as indicated in the following timing diagram.
RLRCK
RBCK
UO
U
U
U
U
U
Figure 23 User Data Output Timing
PP Rev 1.1 April 2004
31
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WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
