DSPB56725AF Freescale Semiconductor, DSPB56725AF Datasheet - Page 24

• 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

2.11
Table 9
24
No.
44
44
45
46
47
Tolerable Spike Width on SCL or SDA
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
Start condition hold time
lists the SHI I
SCK (CPOL = 0)
SCK (CPOL = 1)
Serial Host Interface (SHI) I
Characteristics
(Output)
(Output)
(Input)
(Input)
(Input)
(Input)
HREQ
MISO
MOSI
2
C protocol timing parameters and
SS
Symphony
31
1,2,3,4,5
Figure 18. SPI Slave Timing Diagram (CPHA = 1)
™
Table 9. SHI I
DSP56720/DSP56721 Multi-Core Audio Processors, Rev. 5
27
33
24
29
2
Expression
24
C Protocol Timing Parameters
Symbol/
25
T
T
HD;STA
MSB
Valid
F
T
T
SUSTA
Standard I
Figure 19
—
SCL
SCL
BUF
2
MSB
C Protocol Timing
25
33
2
shows the timing diagram.
C
30
26
Min
4.7
4.7
4.0
10
—
—
—
—
—
26
Standard
36
Max
100
100
34
10
50
—
—
—
—
0
29
23
26
26
Min
2.5
1.3
0.6
0.6
—
—
—
—
—
Valid
LSB
Fast-Mode
Freescale Semiconductor
LSB
32
Max
100
400
30
10
50
—
—
—
—
37
0
28
Unit
kHz
ns
ns
ns
ns
μs
μs
μs
μs