Adv ance informa tion – Texas Instruments TMS320C6202 User Manual
Page 54

TMS320C6202
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS072B – AUGUST 1998 – REVISED AUGUST 1999
54
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EXPANSION BUS SYNCHRONOUS HOST PORT TIMING (CONTINUED)
Addr
D1
D2
15
14
12
11
8
7
6
5
4
4
2
2
1
1
XCLKIN
XAS
XW/R†
XW/R†
XBLAST‡
XD[31:0]
XRDY
XBOFF
XHOLD¶
XHOLDA¶
XHOLD#
XHOLDA#
XBE[3:0]/XA[5:2]§
† XW/R input/output polarity selected at boot
‡ XBLAST output polarity is always active low.
§ XBE[3:0]/XA[5:2] operates as byte enables XBE[3:0] during host-port accesses.
¶ Internal arbiter enabled
# External arbiter enabled
|| This diagram illustrates XBOFF timing. Bus arbitration timing is shown in Figure 38 and Figure 39.
Figure 35. ’C6202 as Bus Master—BOFF Operation
||
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