ADSP-BF531/ADSP-BF532
FRAME
SYNC IS
SAMPLED
FOR
DATA0 IS
DATA1 IS
SAMPLED
DATA0
SAMPLED
PPI_CLK
POLC = 0
PPI_CLK
POLC = 1
t
HFSPE
t
SFSPE
POLS = 1
POLS = 0
PPI_FS1
POLS = 1
POLS = 0
PPI_FS2
t
t
SDRPE
HDRPE
PPI_DATA
Figure 16. PPI GP Rx Mode with External Frame Sync Timing
FRAME
SYNC IS
SAMPLED
DATA0 IS
DRIVEN
OUT
PPI_CLK
POLC = 0
PPI_CLK
POLC = 1
t
HFSPE
t
SFSPE
POLS = 1
POLS = 0
PPI_FS1
POLS = 1
POLS = 0
PPI_FS2
t
HDTPE
PPI_DATA
DATA0
t
DDTPE
Figure 17. PPI GP Tx Mode with External Frame Sync Timing
Rev. D
|
Page 30 of 60
|
August 2006
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