DSPB56721AF Freescale Semiconductor, DSPB56721AF Datasheet - Page 42

• Manufacturer Part Number: DSPB56721AF
• Description: AUDIO PROCESSOR SYMPH 80-LQFP
• Manufacturer: Freescale Semiconductor
• Series: Symphony™r
• Type: Audio Processorr

Specifications of DSPB56721AF

• Interface: Host Interface, I²C, SAI, SPI
• Clock Rate: 200MHz
• Non-volatile Memory: External
• On-chip Ram: 744kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.00V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.19
Table 16
timing 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
lists the Sony/Philips Digital Interconnect Format (S/PDIF) timing parameters and
S/PDIF Timing
Characteristics
Symphony
Figure 35. HDI24 Host DMA Read Timing Diagram
™
DSP56720/DSP56721 Multi-Core Audio Processors, Rev. 5
HOREQ
(Output)
(Output)
H0-H23
Table 16. S/PDIF Timing Parameters
(Input)
HACK
326
343
342
327
Read
317
RXH
Symbol
stclkph
srckph
stclkpl
Data
Valid
srckpl
stclkp
srckp
—
—
—
—
—
—
—
318
40.0
16.0
16.0
40.0
16.0
16.0
Min
—
—
—
—
—
—
—
All Frequency
342
328
329
Figure 36
Max
24.2
31.3
13.6
18.0
Freescale Semiconductor
0.7
1.5
1.5
—
—
—
—
—
—
and
Figure 37
Unit
show the
ns
ns
ns
ns
ns
ns
ns
ns
ns