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Adv ance informa tion – Texas Instruments TMS320C6202 User Manual

Page 50

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TMS320C6202
FIXED-POINT DIGITAL SIGNAL PROCESSOR

SPRS072B – AUGUST 1998 – REVISED AUGUST 1999

50

POST OFFICE BOX 1443

HOUSTON, TEXAS 77251–1443

EXPANSION BUS SYNCHRONOUS HOST PORT TIMING (CONTINUED)

D1

D2

D3

D4

15

13

12

11

10

9

10

9

8

7

8

7

6

5

4

3

2

1

XCLKIN

XCS

XAS

XCNTL

XW/R†

XW/R†

XBE[3:0]/XA[5:2]‡

XBLAST§

XBLAST§

XD[31:0]

XRDY¶

15

14

20

21

† XW/R input/output polarity selected at boot
‡ XBE[3:0]/XA[5:2] operates as byte enables XBE[3:0] during host-port accesses.
§ XBLAST input polarity selected at boot
¶ XRDY operates as active-low ready input/output during host-port accesses.

Figure 31. External Host as Bus Master—Read

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