dsp56362 Freescale Semiconductor, Inc, dsp56362 Datasheet - Page 64

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dsp56362

Manufacturer Part Number
dsp56362
Description
Dsp56362 24-bit Audio Digital Signal Processor
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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External Memory Expansion Port (Port A)
3.10.3
3-38
198
199
200
201
202
203
204
205
206
207
208
No.
TA valid to CLKOUT high (setup time)
RAS
CAS
CLKOUT high to address, and AA valid
CLKOUT high to address, and AA invalid
CLKOUT high to TA invalid (hold time)
CLKOUT high to data out active
CLKOUT high to data out valid
CLKOUT high to data out invalid
CLKOUT high to data out high impedance
Data in valid to CLKOUT high (setup)
CLKOUT high to data in invalid (hold)
CLKOUT high to RD assertion
WR
Synchronous Timings (SRAM)
Table 3-17 External Bus Synchronous Timings (SRAM Access)
Characteristics
177
190
170
162
189
Figure 3-19 DRAM Refresh Access
DSP56362 Technical Data, Rev. 4
4
4
157
163
165
Expression
0.25 × T
0.25 × T
0.75 × T
0.25 × T
0.25 × T
0.25 × T
0.25 × T
C
C
C
+ 4.0
+ 4.0
+ 4.0
C
C
C
C
162
2
,
3
1
Freescale Semiconductor
Min
2.5
4.0
0.0
2.5
3.3
2.5
4.0
0.0
8.2
100 MHz
AA0478
Max
11.5
6.5
6.5
2.5
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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