DSPB56724AG Freescale Semiconductor, DSPB56724AG Datasheet - Page 24
DSPB56724AG
Manufacturer Part Number
DSPB56724AG
Description
DSP 24BIT AUD 250MHZ 144-LQFP
Manufacturer
Freescale Semiconductor
Series
Symphony™r
Type
Audio Processorr
Datasheet
1.DSPB56725AF.pdf
(48 pages)
Specifications of DSPB56724AG
Interface
Host Interface, I²C, SAI, SPI
Clock Rate
250MHz
Non-volatile Memory
External
On-chip Ram
112kB
Voltage - I/o
3.30V
Voltage - Core
1.20V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
144-LQFP
Operating Temperature (min)
0C
Operating Temperature (max)
70C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Pin Count
144
Package Type
LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
DSPB56724AG
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
DSPB56724AG
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Figure 16
1.2.4
Table 11
24
No.
62
63
64
65
66
67
68
69
70
Clock cycle
Clock high period
Clock low period
SCKR rising edge to FSR out (bl) high
SCKR rising edge to FSR out (bl) low
SCKR rising edge to FSR out (wr) high
SCKR rising edge to FSR out (wr) low
SCKR rising edge to FSR out (wl) high
SCKR rising edge to FSR out (wl) low
• For internal clock
• For external clock
• For internal clock
• For external clock
HREQ
lists the enhanced serial audio interface timing.
shows the I
SDA
SCL
Enhanced Serial Audio Interface Timing
5
Stop
45
2
C timing diagram.
46
Symphony
47
60
Start
Characteristics
50
Table 11. Enhanced Serial Audio Interface Timing
™
DSP56724/ DSP56725 Multi-Core Audio Processors, Rev. 2
49
1, 2, 3
61
MSB
44
6
6
52
Figure 16. I
58
51
48
2
C Timing
Symbol Expression
57
t
SSICC
—
—
—
—
—
—
—
—
—
—
55
LSB
53
4 × T c
4 × T c
2 × T c
2 × T c
2 × T c
2 × T c
—
—
—
—
—
—
ACK
3
20.0
20.0
Min
10
10
10
10
—
—
—
—
—
—
—
—
—
—
—
—
59
56
Max
17.0
17.0
19.0
19.0
16.0
17.0
Freescale Semiconductor
7.0
7.0
9.0
9.0
6.0
7.0
—
—
—
—
—
—
Stop
Condition
i ck a
i ck a
i ck a
i ck a
i ck a
i ck a
x ck
x ck
x ck
x ck
x ck
x ck
i ck
i ck
—
—
—
—
4
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns