DSPB56724AG Freescale Semiconductor, DSPB56724AG Datasheet - Page 21

• 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

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