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WM8802
SERIAL AUDIO DATA INPUT/OUTPUT
OUTPUT DATA FORMAT (RDATA)
The output format is set with OFSEL[0:2].
I2S is the initial output format setting.
Right Justified outputs are only valid in master mode.
Output data is output in synchronization with the RLRCK edge immediately after the RERR output
becomes Low.
1/fs
LEFT
RIGHT
CHANNEL
CHANNEL
RLRCK (0)
RBCK (0)
1 BCLK
1 BCLK
RDATA (0)
1
2
3
n
1
2
3
n
n-2 n-1
n-2 n-1
LSB
LSB
MSB
MSB
16 to 24 bits
16 to 24 bits
Figure 12 Data Output Timing – I2S
1/fs
LEFT
RIGHT
CHANNEL
CHANNEL
RLRCK (0)
RBCK (0)
RDATA (0)
1
2
3
n
n-2 n-1
1
2
3
n
n-2 n-1
MSB
LSB
MSB
LSB
16 to 24 bits
16 to 24 bits
Figure 13 Data Output Timing – Left Justified
PP Rev 1.1 April 2004
23
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
