Specifications
External Memory Expansion Port (Port A)
MOTOROLA
DSP56367
3-17
3.10
EXTERNAL MEMORY EXPANSION PORT (PORT A)
3.10.1
SRAM TIMING
Table 3-8 SRAM Read and Write Accesses
No.
Characteristics
Symbol
Expression
1
Min
Max
Uni
t
100
Address valid and AA assertion pulse width
t
RC
, t
WC
(WS + 1)
×
T
C
−
4.0
[1
≤
WS
≤
3]
12.0
—
ns
(WS + 2)
×
T
C
−
4.0
[4
≤
WS
≤
7]
46.0
—
ns
(WS + 3)
×
T
C
−
4.0
[WS
≥
8]
87.0
—
ns
101
Address and AA valid to WR assertion
t
AS
0.25
×
T
C
−
2.0
[WS =
1
]
0.1
—
ns
1.25
×
T
C
−
2.0
[WS
≥ 4
]
8.4
—
ns
102
WR assertion pulse width
t
WP
1.5
×
T
C
−
4.0 [WS = 1]
8.5
—
ns
All frequencies:
WS
×
T
C
−
4.0
[2
≤
WS
≤
3]
12.7
—
ns
(WS
−
0.5)
×
T
C
[WS
≥
4]
19.0
—
ns
103
WR deassertion to address not valid
t
WR
0.25
×
T
C
−
2.0
[1
≤
WS
≤
3]
0.1
—
ns
1.25
×
T
C
−
2.0
[4
≤
WS
≤
7]
8.4
—
ns
2.25
×
T
C
[WS
≥
8]
14.7
—
ns
All frequencies:
1.75
×
T
C
12.0
—
ns
2.25
×
T
C
[WS
≥
8]
14.7
—
ns
104
Address and AA valid to input data valid
t
AA
, t
AC
(WS + 0.75)
×
T
C
−
7.0
[WS
≥
1]
—
7.6
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: ......