TMS320UC5409 Datasheet, PDF (56/74 Pages) Texas Instruments – FIXED-POINT DIGITAL SIGNAL PROCESSOR

TMS320UC5409
FIXED-POINT DIGITAL SIGNAL PROCESSOR
SPRS101A – APRIL 1999 – REVISED AUGUST 1999
instruction acquisition (IAQ), interrupt acknowledge (IACK), external flag (XF), and TOUT timings
(continued)
switching characteristics over recommended operating conditions for XF and TOUT
[H = 0.5 t_c(CO)] (see Figure 29 and Figure 30)
PARAMETER
td(XF)
Delay time, CLKOUT low to XF high
Delay time, CLKOUT low to XF low
td(TOUTH)
td(TOUTL)
tw(TOUT)
Delay time, CLKOUT low to TOUT high
Delay time, CLKOUT low to TOUT low
Pulse duration, TOUT
MIN
0
0
0
0
2H–10
MAX
3
3
3
3
UNIT
ns
ns
ns
ns
CLKOUT
XF
td(XF)
Figure 29. XF Timing
CLKOUT
TOUT
td(TOUTH)
td(TOUTL)
tw(TOUT)
Figure 30. TOUT Timing
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