SOUNDBITE Freescale Semiconductor, SOUNDBITE Datasheet - Page 48

• 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

Enhanced Serial Audio Interface Timing
In I
The programmed serial clock cycle (T
desired SCL serial clock cycle (T
14
48
No.
62 Clock cycle
63 Clock high period
64 Clock low period
65 SCKR edge to FSR out (bl) high
66 SCKR edge to FSR out (bl) low
2
C mode, the user may select a value for the programmed serial clock cycle from
• For internal clock
• For external clock
• For internal clock
• For external clock
to
HREQ
SDA
SCL
Enhanced Serial Audio Interface Timing
5
Characteristics
Stop
45
46
47
60
Start
50
Table 22. Enhanced Serial Audio Interface Timing
4096 × T
1, 2, 3
6 × T
49
SCL
C
61
MSB
44
), as shown in
C
(if HDM[7:0] = $02 and HRS = 1)
I
2
(if HDM[7:0] = $FF and HRS = 0)
CCP
DSP56371 Data Sheet, Rev. 4.1
52
Figure 13. I
), SCL rise time (T
Symbol
t
t
t
SSICCH
SSICCL
SSICC
58
—
—
51
48
Table
2
C Timing
57
22.
Expression
4 × T c
4 × T c
2 × T c
2 × T c
2 × T c
2 × T c
55
LSB
R
53
—
—
), should be chosen in order to achieve the
ACK
22.3
22.3
12.0
12.0
12.0
12.0
Min
—
—
—
—
59
56
Max
37.0
22.0
37.0
22.0
—
—
—
—
—
—
Freescale Semiconductor
Stop
Condition
i ck a
i ck a
x ck
x ck
x ck
i ck
4
Eqn. 2
Eqn. 3
Unit
ns
ns
ns
ns
ns