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ADSP2185 Datasheet(PDF) 21 Page - Analog Devices

Part # ADSP2185
Description  DSP Microcomputer
PDF  32 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADSP2185 Datasheet(HTML) 21 Page - Analog Devices

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ADSP-2185
REV. 0
–21–
Parameter
Min
Max
Unit
Memory Write
Switching Characteristics:
tDW
Data Setup before
WR High
0.5 tCK – 7+ w
ns
tDH
Data Hold after
WR High
0.25 tCK – 2
ns
tWP
WR Pulse Width
0.5 tCK – 5 + w
ns
tWDE
WR Low to Data Enabled
0
ns
tASW
A0–A13,
xMS Setup before WR Low
0.25 tCK – 6
ns
tDDR
Data Disable before
WR or RD Low
0.25 tCK – 7
ns
tCWR
CLKOUT High to
WR Low
0.25 tCK – 5
0.25 tCK + 7
ns
tAW
A0–A13,
xMS, Setup before WR Deasserted
0.75 tCK – 9 + w
ns
tWRA
A0–A13,
xMS Hold after WR Deasserted
0.25 tCK – 3
ns
tWWR
WR High to RD or WR Low
0.5 tCK – 5
ns
w = wait states
× t
CK
xMS = PMS, DMS, CMS, IOMS, BMS
CLKOUT
A0–A13
D
tWP
tAW
tCWR
tDH
tWDE
tDW
tASW
tWWR
tWRA
tDDR
DMS, PMS,
BMS, CMS,
IOMS
RD
WR
Figure 18. Memory Write



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