dsp56367 Freescale Semiconductor, Inc, dsp56367 Datasheet - Page 67

• Manufacturer Part Number: dsp56367
• Description: Dsp56367 24-bit Audio Digital Signal Processor
• Manufacturer: Freescale Semiconductor, Inc

1
2
3
4
5
6
Freescale Semiconductor
No.
175 SCL low period
176 SCL high period
177 SCL and SDA rise time
178 SCL and SDA fall time
179 Data set-up time
180 Data hold time
181 DSP clock frequency
182 SCL low to data out valid
183 Stop condition setup time
184 HREQ in deassertion to last SCL edge (HREQ in set-up
186 First SCL sampling edge to HREQ output deassertion
187 Last SCL edge to HREQ output not deasserted
188 HREQ in assertion to first SCL edge
187 First SCL edge to HREQ in not asserted (HREQ in hold
V
Pull-up resistor: R
Capacitive load: C
It is recommended to enable the wide filters when operating in the I
The timing values are derived from frequencies not exceeding 100 MHz.
It is recommended to enable the narrow filters when operating in the I
CC
time)
time.)
= 1.8 V ± 5%; T
• Filters bypassed
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Narrow filters enabled
• Wide filters enabled
• Filters bypassed
• Narrow filters enabled
• Wide filters enabled
P (min)
b (max)
J
Characteristics
= –40°C to +95°C, C
= 1.5 kOhm
= 400 pF
Table 3-17 SHI I
1, 2, 3
L
DSP56367 Technical Data, Rev. 2.1
= 50 pF
2
2
C Protocol Timing (continued)
Standard I
2
0.5
2
2
2
0.5
Expression
2
2
2
×
×
×
Symbol/
T
T
×
T
×
×
T
T
T
2
T
t
t
×
T
NG;RQO
AS;RQO
HO;RQI
SU;RQI
×
C
T
SU;STO
SU;DAT
HD;DAT
F
VD;DAT
T
T
AS;RQI
T
T
T
T
2
HIGH
T R
LOW
DSP
T
T F
C
C
C
C Standard Mode.
T
C
C
C
I
2
+ 208
2
C
+ 120
+ 135
C Fast Mode.
+ 30
+ 30
+ 80
CCP
- 21
Serial Host Interface (SHI) I
-
Standard
4327
4282
4238
10.6
11.8
13.1
Min
250
100
155
4.7
4.0
0.0
4.0
0.0
0.0
—
—
—
—
—
—
50
1000
Max
300
140
228
3.4
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
4, 5
20 + 0.1
20 + 0.1
Fast-Mode
28.5
39.7
61.0
Min
100
100
155
927
882
838
1.3
1.3
0.0
0.6
0.0
0.0
50
—
—
—
—
2
×
×
C Protocol Timing
C
C
b
b
5, 6
Max
300
300
140
228
0.9
0.9
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
MHz
Unit
3-43
µs
µs
ns
ns
ns
µs
µs
µs
ns
ns
ns
ns
ns