TMS320VC5402
FIXEDĆPOINT DIGITAL SIGNAL PROCESSOR
SPRS079E – OCTOBER 1998 – REVISED AUGUST 2000
53
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251–1443
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 26 and Figure 27)
PARAMETER MIN MAX UNIT
t
Delay time, CLKOUT low to XF high –1 3
ns
t
d(XF)
Delay time, CLKOUT low to XF low –1 3
ns
t
d(TOUTH)
Delay time, CLKOUT low to TOUT high 0 4 ns
t
d(TOUTL)
Delay time, CLKOUT low to TOUT low 0 4 ns
t
w(TOUT)
Pulse duration, TOUT 2H ns
XF
CLKOUT
t
d(XF)
Figure 26. XF Timing
TOUT
CLKOUT
t
w(TOUT)
t
d(TOUTL)
t
d(TOUTH)
Figure 27. TOUT Timing