DSPB56725AF Freescale Semiconductor, DSPB56725AF Datasheet - Page 24

• Manufacturer Part Number: DSPB56725AF
• Description: DSP 24BIT AUD 250MHZ 80-LQFP
• Manufacturer: Freescale Semiconductor
• Series: Symphony™r
• Type: Audio Processorr

Specifications of DSPB56725AF

• 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: 80-LQFP
• Processor Series: DSP567xx
• Core: 56300
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Peak Reflow Compatible (260 C): Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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