dsp56362 Freescale Semiconductor, Inc, dsp56362 Datasheet - Page 80

• Manufacturer Part Number: dsp56362
• Description: Dsp56362 24-bit Audio Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

Serial Host Interface SPI Protocol Timing
3-54
Note: Periodically sampled, not 100% tested
159
160
161
162
163
No.
SS deassertion to HREQ output not
deasserted (CPHA = 0)
SS deassertion pulse width (CPHA = 0)
HREQ in assertion to first SCK edge
HREQ in deassertion to last SCK sampling
edge (HREQ in set-up time) (CPHA = 1)
First SCK edge to HREQ in not asserted
(HREQ in hold time)
SCK (CPOL=0
(Output)
SCK (CPOL = 1
(Output)
(Output)
HREQ
(Input)
(Input)
(Input)
MISO
MOSI
SS
Characteristics
Table 3-21 Serial Host Interface SPI Protocol Timing (continued)
161
148
142
143
Figure 3-34 SPI Master Timing (CPHA = 0)
Valid
MSB
MSB
DSP56362 Technical Data, Rev. 4
152
142
143
Master
Master
Master
Mode
Slave
Slave
163
149
Filter Mode
144
144
Bypassed
Narrow
Wide
148
—
—
—
—
Valid
0.5 × t
LSB
0.5 ×t
0.5 ×t
Expression
141
2.5×T
2.5×T
2.5×T
2.5×T
141
153
T
C
SPICC
SPICC
SPICC
0
0
LSB
+6
C
C
C
C
144
144
+30
+43
+43
+43
+
+
+
149
Freescale Semiconductor
Min
121
174
209
55
16
0
0
100MHz
AA0271
Max
—
—
—
—
—
—
—
Unit
ns
ns
ns
ns
ns