Advanced Information
WM8753L
1/fs
1 BCLK / VXCLK
LRC /
VXFS
BCLK /
VXCLK
RIGHT CHANNEL
LEFT CHANNEL
DACDAT /
ADCDAT /
VXDIN /
1
2
3
n
1
2
3
n-2 n-1
n
n-2 n-1
VXDOUT
MSB
LSB
Input Word Length (WL)
Figure 20 DSP Mode Audio Interface (mode B, LRP/PLRP=1)
The Voice Interface may be configured for Mono mode, where only one channel of data is input or
output. In this mode the interface should be configured for DSP mode. A short or long frame sync is
supported and the MSB is available on either the 1st (mode B) or 2nd (mode A) rising edge of VXCLK.
1/fs
1 VXCLK
VXFS
VXCLK
VXDIN /
VXDOUT
1
2
3
n
n-2 n-1
MSB
LSB
Input Word Length (WL)
Figure 21 Voice Interface Mono Mode (mode A, PLRP=0)
1/fs
1 VXCLK
VXFS
VXCLK
VXDIN /
1
2
3
n
n-2 n-1
VXDOUT
MSB
LSB
Input Word Length (WL)
Figure 22 Voice Interface Mono Mode (mode B, PLRP=0)
AI Rev 3.1 June 2004
56
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
