DSPB56725AF Freescale Semiconductor, DSPB56725AF Datasheet - Page 21
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DSPB56725AF
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPB56725AF
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Figure 15
1.2.2
Table 10
Freescale Semiconductor
No.
XX Tolerable Spike Width on SCL or SDA
44
44
45
46
Filters Bypassed
Very Narrow Filters enabled
Narrow Filters enabled
Wide Filters enabled.
SCL clock frequency
SCL clock cycle
Bus free time
Start condition set-up time
lists the SHI I
SCK (CPOL = 0)
SCK (CPOL = 1)
shows the SPI slave timing (CPHA = 1).
Serial Host Interface (SHI) I
(Output)
(Output)
(Input)
(Input)
(Input)
(Input)
HREQ
MISO
MOSI
Characteristics
SS
2
C protocol timing diagram.
Symphony
31
™
1,2,3,4,5
DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
Figure 15. SPI Slave Timing (CPHA = 1)
27
33
Table 10. SHI I
24
29
24
25
MSB
Valid
Standard I
2
2
Expression
MSB
C Protocol Timing
C Protocol Timing
Symbol/
25
33
T
F
T
T
SUSTA
—
SCL
SCL
BUF
2
C
30
26
26
Min
4.7
4.7
—
—
—
—
—
10
36
Standard
34
Max
100
100
10
50
—
—
—
29
0
23
26
26
Valid
LSB
Min
2.5
1.3
0.6
—
—
—
—
—
Fast-Mode
LSB
32
30
37
28
Max
100
400
10
50
—
—
—
0
Unit
kHz
ns
ns
ns
ns
μs
μs
μs
21