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PCIMX258CJM4A Fiches technique(PDF) 72 Page - Freescale Semiconductor, Inc

No de pièce PCIMX258CJM4A
Description  i.MX25 Applications Processor for Consumer and Industrial Products
PDF  144 Pages
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Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PCIMX258CJM4A Fiches technique(HTML) 72 Page - Freescale Semiconductor, Inc

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i.MX25 Applications Processor for Consumer and Industrial Products, Rev. 3
72
Freescale Semiconductor
Figure 39 through Figure 44 give examples of basic WEIM accesses to external memory devices with the
timing parameters described in Table 54 for specific control parameter settings.
Figure 39. Synchronous Memory Timing Diagram for Read Access—WSC=1
Figure 40. Synchronous Memory Timing Diagram for Write Access—
WSC=1, EBWA=1, EBWN=1, LBN=1
Last Valid Address
V1
V1
BCLK
ADDR
DATA
RW
LBA
OE
EB[y]
CS[x]
Next Address
WE4
WE5
WE6
WE7
WE10
WE11
WE13
WE12
WE14
WE15
WE19
WE21
Last Valid Address
V1
V1
BCLK
ADDR
DATA
RW
LBA
OE
EB[y]
CS[x]
Next Address
WE4
WE5
WE6
WE7
WE8
WE9
WE12
WE13
WE14
WE15
WE16
WE17



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