3-36
DSP56367
MOTOROLA
Specifications
External Memory Expansion Port (Port A)
161
CAS deassertion to data not valid
(read hold time)
t
OFF
0.0
—
0.0
—
ns
162
RAS deassertion to RAS assertion
t
RP
3.25
×
T
C
−
4.0
45.2
—
36.6
—
ns
163
RAS assertion pulse width
t
RAS
5.75
×
T
C
−
4.0
83.1
—
67.9
—
ns
164
CAS assertion to RAS deassertion
t
RSH
3.25
×
T
C
−
4.0
45.2
—
36.6
—
ns
165
RAS assertion to CAS deassertion
t
CSH
4.75
×
T
C
−
4.0
68.0
—
55.5
—
ns
166
CAS assertion pulse width
t
CAS
2.25
×
T
C
−
4.0
30.1
—
24.1
—
ns
167
RAS assertion to CAS assertion
t
RCD
2.5
×
T
C
±
2
35.9
39.9
29.3
33.3
ns
168
RAS assertion to column address
valid
t
RAD
1.75
×
T
C
±
2
24.5
28.5
19.9
23.9
ns
169
CAS deassertion to RAS assertion
t
CRP
4.25
×
T
C
−
4.0
59.8
—
49.1
—
ns
170
CAS deassertion pulse width
t
CP
2.75
×
T
C
−
4.0
37.7
—
30.4
—
ns
171
Row address valid to RAS
assertion
t
ASR
3.25
×
T
C
−
4.0
45.2
—
36.6
—
ns
172
RAS assertion to row address not
valid
t
RAH
1.75
×
T
C
−
4.0
22.5
—
17.9
—
ns
173
Column address valid to CAS
assertion
t
ASC
0.75
×
T
C
−
4.0
7.4
—
5.4
—
ns
174
CAS assertion to column address
not valid
t
CAH
3.25
×
T
C
−
4.0
45.2
—
36.6
—
ns
175
RAS assertion to column address
not valid
t
AR
5.75
×
T
C
−
4.0
83.1
—
67.9
—
ns
176
Column address valid to RAS
deassertion
t
RAL
4
×
T
C
−
4.0
56.6
—
46.0
—
ns
177
WR deassertion to CAS assertion
t
RCS
2
×
T
C
−
3.8
26.5
—
21.2
—
ns
178
CAS deassertion to WR
5
assertion
t
RCH
1.25
×
T
C
−
3.7
15.2
—
11.9
—
ns
179
RAS deassertion to WR
5
assertion
t
RRH
0.25
×
T
C
−
3.7
0.1
—
—
—
ns
0.25
×
T
C
−
3.0
—
—
0.1
—
ns
180
CAS assertion to WR deassertion
t
WCH
3
×
T
C
−
4.2
41.3
—
33.3
—
ns
181
RAS assertion to WR deassertion
t
WCR
5.5
×
T
C
−
4.2
79.1
—
64.6
—
ns
Table 3-14 DRAM Out-of-Page and Refresh Timings, Eight Wait States
No.
Characteristics
4
Symbol
Expression
3
66 MHz
80 MHz
Unit
Min Max
Min
Max
Содержание DSP56367
Страница 16: ...xvi MOTOROLA CONTENTS Paragraph Number Title Page Number ...
Страница 22: ...xxii MOTOROLA List of Figures Figure Number Title Page Number ...
Страница 26: ...xxvi MOTOROLA List of Tables Table Number Title Page Number ...
Страница 148: ...4 6 DSP56367 MOTOROLA Design Considerations PLL Performance Issues ...
Страница 248: ...9 30 DSP56367 MOTOROLA Serial Host Interface SHI Programming Considerations ...
Страница 306: ...10 58 DSP56367 MOTOROLA Enhanced Serial Audio Interface ESAI ESAI Initialization Examples ...
Страница 389: ...Bootstrap ROM Contents MOTOROLA DSP56367 A 15 end ...
Страница 390: ...A 16 DSP56367 MOTOROLA Bootstrap ROM Contents ...
Страница 432: ...C 8 DSP56367 MOTOROLA JTAG BSDL ...
Страница 484: ...D 52 DSP56367 MOTOROLA Programmer s Reference ...
Страница 490: ...E 6 DSP56367 MOTOROLA Power Consumption Benchmark ...
Страница 516: ...F 26 DSP56367 MOTOROLA IBIS Model ...
Страница 522: ...Index 6 MOTOROLA Index ...
Страница 523: ......