3-38
DSP56367
MOTOROLA
Specifications
External Memory Expansion Port (Port A)
Table 3-15 DRAM Out-of-Page and Refresh Timings, Eleven Wait States
No.
Characteristics
4
Symbol
Expression
3
Min
Max
Unit
157
Random read or write cycle time
t
RC
12
×
T
C
120.0
—
ns
158
RAS assertion to data valid (read)
t
RAC
6.25
×
T
C
−
7.0
—
55.5
ns
159
CAS assertion to data valid (read)
t
CAC
3.75
×
T
C
−
7.0
—
30.5
ns
160
Column address valid to data valid (read)
t
AA
4.5
×
T
C
−
7.0
—
38.0
ns
161
CAS deassertion to data not valid (read hold time)
t
OFF
0.0
—
ns
162
RAS deassertion to RAS assertion
t
RP
4.25
×
T
C
−
4.0
38.5
—
ns
163
RAS assertion pulse width
t
RAS
7.75
×
T
C
−
4.0
73.5
—
ns
164
CAS assertion to RAS deassertion
t
RSH
5.25
×
T
C
−
4.0
48.5
—
ns
165
RAS assertion to CAS deassertion
t
CSH
6.25
×
T
C
−
4.0
58.5
—
ns
166
CAS assertion pulse width
t
CAS
3.75
×
T
C
−
4.0
33.5
—
ns
167
RAS assertion to CAS assertion
t
RCD
2.5
×
T
C
±
4.0
21.0
29.0
ns
168
RAS assertion to column address valid
t
RAD
1.75
×
T
C
±
4.0
13.5
21.5
ns
169
CAS deassertion to RAS assertion
t
CRP
5.75
×
T
C
−
4.0
53.5
—
ns
170
CAS deassertion pulse width
t
CP
4.25
×
T
C
−
4.0
38.5
—
ns
171
Row address valid to RAS assertion
t
ASR
4.25
×
T
C
−
4.0
38.5
—
ns
172
RAS assertion to row address not valid
t
RAH
1.75
×
T
C
−
4.0
13.5
—
ns
173
Column address valid to CAS assertion
t
ASC
0.75
×
T
C
−
4.0
3.5
—
ns
174
CAS assertion to column address not valid
t
CAH
5.25
×
T
C
−
4.0
48.5
—
ns
175
RAS assertion to column address not valid
t
AR
7.75
×
T
C
−
4.0
73.5
—
ns
176
Column address valid to RAS deassertion
t
RAL
6
×
T
C
−
4.0
56.0
—
ns
177
WR deassertion to CAS assertion
t
RCS
3.0
×
T
C
−
4.0
26.0
—
ns
178
CAS deassertion to WR
5
assertion
t
RCH
1.75
×
T
C
−
4.0
13.5
—
ns
179
RAS deassertion to WR
5
assertion
t
RRH
0.25
×
T
C
−
2.0
0.5
—
ns
180
CAS assertion to WR deassertion
t
WCH
5
×
T
C
−
4.2
45.8
—
ns
181
RAS assertion to WR deassertion
t
WCR
7.5
×
T
C
−
4.2
70.8
—
ns
182
WR assertion pulse width
t
WP
11.5
×
T
C
−
4.5
110.5
—
ns
Summary of Contents for DSP56367
Page 16: ...xvi MOTOROLA CONTENTS Paragraph Number Title Page Number ...
Page 22: ...xxii MOTOROLA List of Figures Figure Number Title Page Number ...
Page 26: ...xxvi MOTOROLA List of Tables Table Number Title Page Number ...
Page 148: ...4 6 DSP56367 MOTOROLA Design Considerations PLL Performance Issues ...
Page 248: ...9 30 DSP56367 MOTOROLA Serial Host Interface SHI Programming Considerations ...
Page 306: ...10 58 DSP56367 MOTOROLA Enhanced Serial Audio Interface ESAI ESAI Initialization Examples ...
Page 389: ...Bootstrap ROM Contents MOTOROLA DSP56367 A 15 end ...
Page 390: ...A 16 DSP56367 MOTOROLA Bootstrap ROM Contents ...
Page 432: ...C 8 DSP56367 MOTOROLA JTAG BSDL ...
Page 484: ...D 52 DSP56367 MOTOROLA Programmer s Reference ...
Page 490: ...E 6 DSP56367 MOTOROLA Power Consumption Benchmark ...
Page 516: ...F 26 DSP56367 MOTOROLA IBIS Model ...
Page 522: ...Index 6 MOTOROLA Index ...
Page 523: ......