DSPB56725AF Freescale Semiconductor, DSPB56725AF Datasheet - Page 18

• 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

Figure 14
2.10
Table 8
18
No.
XX Tolerable Spike width on data or clock in
23
24
Minimum serial clock cycle = t
Serial clock high period
shows the SHI SPI protocol timing parameters and
shows the MODE select set up and hold timing diagram.
Serial Host Interface (SHI) SPI Protocol Timing
MODC, MODD,
MODA, MODB,
Characteristics
RESET
PINIT
Symphony
Table 8. Serial Host Interface SPI Protocol Timing Parameters
Figure 14. MODE Select Set Up and Hold Timing Diagram
1,3,4
™
SPICC
DSP56720/DSP56721 Multi-Core Audio Processors, Rev. 5
(min)
Master
Master
Mode
Slave
Slave
—
Figure 15
14
V
V
Very Narrow
Very Narrow
Very Narrow
Very Narrow
Very Narrow
Filter Mode
IH
IL
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
through
Narrow
Narrow
Narrow
Narrow
Narrow
Wide
Wide
Wide
Wide
Wide
Figure 18
2.0 × T
2.0 × T
2.0 × T
2.0 × T
2.0 × T
2.0 × T
2.0 × T
2.0 × T
10 × T
10 × T
0.5 × (t
0.5 × (t
0.5 × (t
0.5 × (t
Expression
10 × T
10 × T
15
show the timing diagrams.
C
C
—
—
—
—
V
V
C
C
C
C
C
C
C
C
SPICC
SPICC
SPICC
SPICC
IH
IL
+ 186.6
+ 186.6
C
C
+ 133
+ 333
+ 19.6
+ 19.6
+ 86.6
+ 19.6
+ 19.6
+ 86.6
+ 9
+ 9
V
IRQA, IRQB,
IRQC,IRQD, NMI
)
)
)
)
IH
Freescale Semiconductor
183.0
373.0
193.2
393.2
186.5
196.6
59.0
59.0
59.2
59.2
29.5
29.5
91.5
29.6
29.6
96.6
Min
—
—
—
—
Max
100
10
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns