DSPB56724AG Freescale Semiconductor, DSPB56724AG Datasheet - Page 15

• Manufacturer Part Number: DSPB56724AG
• Description: DSP 24BIT AUD 250MHZ 144-LQFP
• Manufacturer: Freescale Semiconductor
• Series: Symphony™r
• Type: Audio Processorr

Specifications of DSPB56724AG

• 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: 144-LQFP
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Package Type: LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

1.2.1
Table 9
Freescale Semiconductor
No.
XX Tolerable Spike width on data or clock in.
23
24
25
26
Minimum serial clock cycle = t
Serial clock high period
Serial clock low period
Serial clock rise/fall time
lists the serial host interface SPI protocol timing.
Serial Host Interface SPI Protocol Timing
Characteristics
Symphony
Table 9. Serial Host Interface SPI Protocol Timing
1,3,4
™
SPICC
DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
(min)
Master/Slave
Master
Master
Master
Mode
Slave
Slave
Slave
—
Very Narrow
Very Narrow
Very Narrow
Very Narrow
Very Narrow
Very Narrow
Filter Mode
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
Narrow
Narrow
Narrow
Narrow
Narrow
Narrow
Wide
Wide
Wide
Wide
Wide
Wide
—
—
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
0.5 × (t
0.5 × (t
0.5 × (t
0.5 × t
Expression
10 × T
10 × T
—
—
—
—
C
C
—
—
C
C
C
C
C
C
C
C
SPICC
SPICC
SPICC
SPICC
SPICC
SPICC
SPICC
SPICC
C
C
+ 186.6
+ 186.6
+ 133
+ 333
+ 19.6
+ 19.6
+ 86.6
+ 19.6
+ 19.6
+ 86.6
+ 9
+ 9
)
)
)
)
)
)
)
)
183.0
383.0
191.5
196.6
191.5
196.6
59.0
59.0
29.5
29.5
91.5
29.6
29.6
96.6
29.5
29.5
91.5
29.6
29.6
96.6
Min
—
—
—
—
—
—
Max
100
10
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
0
5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15