Texas Instruments TMS320VC5402 Automobile Accessories User Manual


 
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