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56F8167 Datasheet(PDF) 150 Page - Freescale Semiconductor, Inc

Part # 56F8167
Description  16-bit Digital Signal Controllers
PDF  182 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

56F8167 Datasheet(HTML) 150 Page - Freescale Semiconductor, Inc

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56F8367 Technical Data, Rev. 9
150
Freescale Semiconductor
Preliminary
Figure 10-5 External Memory Interface Timing
Note:
When multiple lines are given for the same wait state configuration, calculate each and then select the
smallest or most negative.
Table 10-16 External Memory Interface Timing
Characteristic
Symbol
Wait States
Configuration
DM
Wait States
Controls
Unit
Address Valid to WR Asserted
tAWR
WWS=0
-2.076
0.50
WWSS
ns
WWS>0
-1.795
0.75 + DCAOE
WR Width Asserted to WR
Deasserted
tWR
WWS=0
-0.094
0.25 + DCAOE
WWS
ns
WWS>0
-0.012
0
Data Out Valid to WR Asserted
tDWR
WWS=0
-9.321
0.25 + DCAEO
WWSS
ns
WWS=0
-1.160
0.00
WWS>0
-8.631
0.50
WWS>0
-0.879
0.25 + DCAOE
Valid Data Out Hold Time after WR
Deasserted
tDOH
-2.086
0.25 + DCAEO
WWSH
ns
Valid Data Out Set-Up Time to WR
Deasserted
tDOS
-0.563
0.25 + DCAOE
WWS,WWSS
ns
-8.315
0.50
Valid Address after WR Deasserted
tWAC
-3.432
0.25 + DCAEO
WWSH
ns
RD Deasserted to Address Invalid
tRDA
-1.780
0.00
RWSH
ns
tDRD
tRDD
tAD
tDOH
tDOS
tDWR
tRDWR
tWAC
tWRRD
tWR
tAWR
tWRWR
tARDD
tRDA
tRDRD
tRD
tARDA
Data Out
Data In
A0-Axx,CS
RD
WR
D0-D15
Note: During read-modify-write instructions and internal instructions, the address lines do not change state.



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