DSP56721 Freescale Semiconductor, Inc, DSP56721 Datasheet - Page 25

• Manufacturer Part Number: DSP56721
• Description: Dsp56721 Multi-core Audio Processor
• Manufacturer: Freescale Semiconductor, Inc

Freescale Semiconductor
Notes:
No.
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
1.
2.
3.
4.
5.
6.
Start condition hold time
SCL low period
SCL high period
SCL and SDA rise time
SCL and SDA fall time
Data set-up time
Data hold time
DSP clock frequency
SCL low to data out valid
Stop condition setup time
HREQ in deassertion to last SCL edge
(HREQ in set-up time)
First SCL sampling edge to HREQ output
deassertion
Last SCL edge to HREQ output not
deasserted
HREQ in assertion to first SCL edge
First SCL edge to HREQ is not asserted
(HREQ in hold time.)
• Filters bypassed
• Very Narrow filters enabled
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Very Narrow filters enabled
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Very Narrow filters enabled
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Very Narrow filters enabled
• Narrow filters enabled
• Wide filters enabled
V
Pull-up resistor: R
Capacitive load: C
All times assume noise free inputs.
All times assume internal clock frequency of 200 MHz.
SHI_1 specs match those of SHI.
CORE_VDD
Symphony
Characteristics
2
2
Table 12. SHI I
= 1.00± 0.10 V; T
P
b
TM
(min) = 1.5K Ohms.
(max) = 50 pF.
DSP56720 / DSP56721 Multi-Core Audio Processors, Rev. 3
1,2,3,4,5
J
2
= -40°C to 125°C; C
C Protocol Timing Parameters (Continued)
Standard I
4
4
2
Expression
4
4
2
2
2
×
×
×
Symbol/
T
T
×
×
T
×
×
×
T
T
T
T
T
t
t
T
NG;RQO
AS;RQO
SU;RQI
HO;RQI
L
T
F
SU;STO
HD;STA
HD;DAT
SU;DAT
VD;DAT
T
T
T
AS;RQI
T
T
T
T
T
HIGH
T R
LOW
= 50 pF.
OSC
T F
C
C
C
C
C
C
C
C
2
+ 130
+ 230
+ 130
C
+ 30
+ 50
+ 30
+ 40
+ 80
4327
4317
4282
4227
10.6
10.6
11.8
13.1
Min
250
140
4.0
4.7
4.0
0.0
4.0
0.0
0.0
40
50
90
—
—
—
—
—
—
—
Standard
250.0
150.0
Max
50.0
70.0
5.0
5.0
3.4
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
28.5
28.5
39.7
61.0
Min
100
140
927
917
877
827
Fast-Mode
0.6
1.3
1.3
0.0
0.6
0.0
0.0
—
—
40
50
90
—
—
—
—
—
150.0
250.0
Max
50.0
70.0
5.0
5.0
0.9
0.9
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
MHz
MHz
MHz
MHz
Unit
μs
μs
μs
ns
ns
ns
μs
μs
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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