DSP56721 Freescale Semiconductor, Inc, DSP56721 Datasheet - Page 24

• Manufacturer Part Number: DSP56721
• Description: Dsp56721 Multi-core Audio Processor
• Manufacturer: Freescale Semiconductor, Inc

2.2.2
See
24
Table 12
SCK (CPOL = 0)
SCK (CPOL = 1)
No.
44
44
45
46
for SHI I
Serial Host Interface (SHI) I
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
(Output)
(Output)
HREQ
(Input)
(Input)
(Input)
(Input)
MISO
MOSI
2
SS
C protocol timing parameters and
Symphony
Characteristics
31
Figure 18. SPI Slave Timing Diagram (CPHA = 1)
TM
Table 12. SHI I
DSP56720 / DSP56721 Multi-Core Audio Processors, Rev. 3
27
1,2,3,4,5
33
24
29
24
2
25
C Protocol Timing Parameters
MSB
Valid
Standard I
Figure 19
2
MSB
Expression
C Protocol Timing
Symbol/
25
33
T
T
F
T
SUSTA
—
SCL
SCL
BUF
2
for the timing diagram.
C
30
26
26
Min
4.7
4.7
10
—
—
—
—
—
36
Standard
34
Max
100
100
10
50
—
—
—
0
29
23
Min
Fast-Mode
2.5
1.3
0.6
26
—
—
—
—
—
26
Valid
LSB
Freescale Semiconductor
LSB
32
Max
100
400
10
50
—
—
—
0
30
37
Unit
28
kHz
ns
ns
ns
ns
μs
μs
μs