PRODUCT PREVIEW

TMS320C6454

Fixed-Point Digital Signal Processor

www.ti.com

SPRS311A –APRIL 2006 –REVISED DECEMBER 2006

 

 

Strobe = 4

Setup = 1

 

Hold = 1

AECLKOUT

 

 

11

 

12

ACEx

 

12

11

 

ABE[7:0]

 

Byte Enables

11

 

12

AEA[19:0]/

 

Address

ABA[1:0]

 

 

 

11

 

12

AED[63:0]

 

Write Data

AAOE/ASOE(A)

13

13

 

AAWE/ASWE(A)

 

 

 

11

 

12

 

 

AR/W

 

 

AARDY(B)

 

DEASSERTED

AAAOE/ASOE and AAWE/ASWE operate as AAOE (identified under select signals) and AAWE, respectively, during asynchronous memory accesses.

BPolarity of the AARDY signal is programmable through the AP field of the EMIFA Async Wait Cycle Configuration register (AWCC).

Figure 7-34. Asynchronous Memory Write Timing for EMIFA

Strobe

 

Strobe

Setup = 2

Extended Strobe

Hold = 2

8

9

AECLKOUT

6

5

7

7

AARDY(A) ASSERTED DEASSERTED

A Polarity of the AARDY signal is programmable through the AP field of the EMIFA Async Wait Cycle Configuration register (AWCC).

Figure 7-35. AARDY Timing

154

C64x+ Peripheral Information and Electrical Specifications

Submit Documentation Feedback

Page 154
Image 154
Texas Instruments TMS320C6454 warranty ABA10 AED630, Strobe Setup = Extended Strobe, Aeclkout Aardya Asserted Deasserted