DSPB56725AF Freescale Semiconductor, DSPB56725AF Datasheet - Page 33

• Manufacturer Part Number: DSPB56725AF
• Description: DSP 24BIT AUD 250MHZ 80-LQFP
• Manufacturer: Freescale Semiconductor
• Series: Symphony™r
• Type: Audio Processorr

Specifications of DSPB56725AF

• Interface: Host Interface, I²C, SAI, SPI
• Clock Rate: 250MHz
• Non-volatile Memory: External
• On-chip Ram: 112kB
• Voltage - I/o: 3.30V
• Voltage - Core: 1.20V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Processor Series: DSP567xx
• Core: 56300
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Peak Reflow Compatible (260 C): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.2.8
Table 15
Figure 25
Figure 26
Freescale Semiconductor
SPDIFIN1, SPDIFIN2, SPDIFIN3, SPDIFIN4 Skew:
asynchronous inputs, no specs apply
SPDIFOUT1,SPDIFOUT2 output (Load = 50pf)
SPDIFOUT1, SPDIFOUT2 output (Load = 30pf)
SRCK period
SRCK high period
SRCK low period
STCLK period
STCLK high period
STCLK low period
• Skew
• Transition Rising
• Transition Falling
• Skew
• Transition Rising
• Transition Falling
lists the S/PDIF timing.
shows the SRCK timing diagram.
shows the STCLK timing diagram.
S/PDIF Timing
(Output)
STCLK
SRCK
(Input)
Symphony
Characteristics
™
DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
Figure 26. STCLK Timing
Figure 25. SRCK Timing
Table 15. S/PDIF Timing
srckpl
stclkpl
V
V
M
M
Symbol
stclkph
srckph
stclkpl
srckpl
stclkp
srckp
—
—
—
—
—
—
—
srckp
stclkp
40.0
16.0
16.0
40.0
16.0
16.0
Min
—
—
—
—
—
—
—
All Frequency
srckph
stclkph
V
V
M
M
Max
24.2
31.3
13.6
18.0
0.7
1.5
1.5
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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