DSP56721 Freescale Semiconductor, Inc, DSP56721 Datasheet - Page 42

• Manufacturer Part Number: DSP56721
• Description: Dsp56721 Multi-core Audio Processor
• Manufacturer: Freescale Semiconductor, Inc

2.2.10
See
diagrams.
42
SPDIFIN1, SPDIFIN2, SPDIFIN3, SPDIFIN4 Skew:
asynchronous inputs, no specs apply
SPDIFOUT1,SPDIFOUT2 output (Load = 50 pf)
SPDIFOUT1, SPDIFOUT2 output (Load = 30 pf)
SRCK period
SRCK high period
SRCK low period
STCLK period
STCLK high period
STCLK low period
• Skew
• Transition Risng
• Transition Falling
• Skew
• Transition Risng
• Transition Falling
Table 19
for Sony/Philips Digital Interconnect Format (S/PDIF) timing parameters and
S/PDIF Timing
Characteristics
Symphony
Figure 35. HDI24 Host DMA Read Timing Diagram
TM
DSP56720 / DSP56721 Multi-Core Audio Processors, Rev. 3
HOREQ
(Output)
(Output)
H0-H23
(Input)
HACK
Table 19. S/PDIF Timing Parameters
326
343
342
327
Read
317
RXH
Data
Valid
Symbol
stclkph
srckph
stclkpl
srckpl
stclkp
srckp
—
—
—
—
—
—
—
318
40.0
16.0
16.0
40.0
16.0
16.0
Min
—
—
—
—
—
—
—
342
328
329
All Frequency
Figure 36
Max
24.2
31.3
13.6
18.0
Freescale Semiconductor
and
0.7
1.5
1.5
—
—
—
—
—
—
Figure 37
for timing
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns