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TMS320DM647 データシート(PDF) 107 Page - Texas Instruments

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部品番号 TMS320DM647
部品情報  Digital Media Processor
PDF  181 Pages
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メーカー  TI [Texas Instruments]
ホームページ  http://www.ti.com
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TMS320DM647 データシート(HTML) 107 Page - Texas Instruments

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AECLKOUT
ACEx
ABE[1:0]
AEA[23:0]/
ABA[1:0]
AED[15:0]
AAOEASOE
/
AR/W
AAWEASWE
/
AARDY
ByteEnables
Address
ReadData
Hold=1
2
Strobe=4
Setup=1
2
2
4
10
10
1
1
1
3
DEASSERTED
AECLKOUT
ACEx
ABE[1:0]
AEA[23:0]/
ABA[1:0]
AED[15:0]
AAOEASOE
/
(A)
AR/W
AAWEASWE
/
(A)
AARDY (B)
ByteEnables
Address
WriteData
Hold=1
12
Strobe=4
Setup=1
12
12
12
12
13
13
11
11
11
11
11
DEASSERTED
TMS320DM647
TMS320DM648
www.ti.com
SPRS372F – JANUARY 2010 – REVISED SEPTEMBER 2009
A.
AAOE/ASOE and AAWE/ASWE operate as AAOE/ASOE (identified under select signals) and AAWE/ASWE,
respectively, during asynchronous memory accesses.
B.
Polarity of the AARDY signal is programmable through the AP field of the EMIFA Async Wait Cycle Configuration
register (AWCC).
Figure 6-21. Asynchronous Memory Read Timing for EMIFA
A.
AAOE/ASOE and AAWE/ASWE operate as AAOE/ASOE and AAWE/ASWE (identified under select signals) during
asynchronous memory accesses.
B.
Polarity of the AARDY signal is programmable through the AP field of the EMIFA Async Wait Cycle Configuration
register (AWCC).
Figure 6-22. Asynchronous Memory Write Timing for EMIFA
Copyright © 2010–2009, Texas Instruments Incorporated
Peripheral Information and Electrical Specifications
107
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Product Folder Link(s): TMS320DM647 TMS320DM648



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