dsp56367 Freescale Semiconductor, Inc, dsp56367 Datasheet - Page 62

• Manufacturer Part Number: dsp56367
• Description: Dsp56367 24-bit Audio Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

Serial Host Interface SPI Protocol Timing
3-38
No.
144
146
147
148
149
150
151
152
153
154
157
158
159
Serial clock rise/fall time
SS assertion to first SCK edge
CPHA = 0
CPHA = 1
Last SCK edge to SS not asserted
Data input valid to SCK edge (data input
set-up time)
SCK last sampling edge to data input not
valid
SS assertion to data out active
SS deassertion to data high impedance
SCK edge to data out valid (data out delay
time)
SCK edge to data out not valid (data out
hold time)
SS assertion to data out valid (CPHA = 0)
First SCK sampling edge to HREQ output
deassertion
Last SCK sampling edge to HREQ output
not deasserted (CPHA = 1)
SS deassertion to HREQ output not
deasserted (CPHA = 0)
Characteristics
Table 3-16 Serial Host Interface SPI Protocol Timing (continued)
1
DSP56367 Technical Data, Rev. 2.1
3
Master/
Master/
Master/
Master/
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
Bypassed
Narrow
Narrow
Narrow
Narrow
Narrow
Narrow
Narrow
Narrow
Narrow
Mode
Filter
Wide
Wide
Wide
Wide
Wide
Wide
Wide
Wide
Wide
—
—
—
—
—
—
MAX{(20-T
MAX{(40-T
2.5 × T
2.5 × T
2.5 × T
3.5 × T
2.5 × T
2.5 × T
2.5 × T
2.5 × T
2.5 × T
2.5 × T
2.5 × T
Expression
2 × T
2 × T
2 × T
T
T
T
T
C
C
C
102
189
C
10
12
C
C
+ 106
—
—
0
0
0
0
0
2
9
C
+ 55
+ 33
C
C
C
+ 5
C
C
C
C
C
C
C
C
+ 123
+ 210
+ 33
+ 120
+ 217
+ 136
+ 15
+ 10
+ 30
+ 50
+ 30
+ 30
+ 80
+ 30
C
C
), 0}
), 0}
2
Freescale Semiconductor
112.7
152.8
38.5
13.3
33.3
26.8
46.8
66.8
11.7
61.7
46.8
96.8
46.8
Min
102
189
10
12
—
—
—
—
—
—
—
—
—
—
0
0
0
0
0
2
136.4
223.4
136.8
233.8
2000
Max
46.4
39.7
46.8
10
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
9
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns