SOUNDBITE Freescale Semiconductor, SOUNDBITE Datasheet - Page 41

• Manufacturer Part Number: SOUNDBITE
• Description: BOARD DEMO AUDIO DEVELOPMENT
• Manufacturer: Freescale Semiconductor
• Series: Symphony™ soundBiter

Specifications of SOUNDBITE

• Main Purpose: Audio, Audio Processing
• Utilized Ic / Part: DSPB56371
• Primary Attributes: Up to 8 channels of digital audio
• Secondary Attributes: USB, I2C, SPI Interface
• Processor To Be Evaluated: DSP56371
• Data Bus Width: 24 bit
• Interface Type: USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Embedded: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

12
Freescale Semiconductor
No.
23
24
25
26
27
28
29
30
31
32
33
Minimum serial clock cycle = t
Serial clock high period
Serial clock low period
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)
Serial Host Interface SPI Protocol Timing
IRQC, IRQD,
IRQC, IRQD,
IRQA, IRQB,
IRQA, IRQB,
Purpose
General
NMI
NMI
I/O
Characteristics
Table 20. Serial Host Interface SPI Protocol Timing
Figure 8. External Fast Interrupt Timing
SPICC
20
1,3,4
19
(min)
DSP56371 Data Sheet, Rev. 4.1
2
a) First Interrupt Instruction Execution
b) General Purpose I/O
Master/Slave
Master/Slave
Master/Slave
Master
Master
Master
Master
Mode
Slave
Slave
Slave
Slave
Slave
Slave
Slave
Slave
18
2.0 x T
2.0 x T
2.0 x T
3.0 x T
Serial Host Interface SPI Protocol Timing
Expressions
10.0 x T
3.0 x T
—
—
—
—
—
—
—
—
—
C
C
C
C
+ 19.6
+ 19.6
+ 12.6
+ 26.1
C
C
+ 9
64.0
29.5
27.5
29.5
27.5
34.4
10.0
12.0
22.4
50.0
Min
—
—
—
0
5
Max
100
10
10
—
—
—
—
—
—
—
—
—
—
—
9
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
41