Motorola TMS320C6711D - Manual (Page 100)

TMS320C6711D
FLOATINGĆPOINT DIGITAL SIGNAL PROCESSOR
SPRS292 − OCTOBER 2005
100 POST OFFICE BOX 1443
•
HOUSTON, TEXAS 77251−1443
TIMER TIMING
timing requirements for timer inputs † (see Figure 52)
NO.
GDPA−167
ZDPA−167
−200
−250
UNIT
MIN MAX
1 tw(TINPH) Pulse duration, TINP high 2P ns
2 tw(TINPL) Pulse duration, TINP low 2P ns
† P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.
switching characteristics over recommended operating conditions for timer outputs
†
(see Figure 52)
NO. PARAMETER
GDPA−167
ZDPA−167
−200
−250 UNIT
MIN MAX
3 tw(TOUTH) Pulse duration, TOUT high 4P − 3 ns
4 tw(TOUTL) Pulse duration, TOUT low 4P − 3 ns
† P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.
TINPx
TOUTx
4
3
2
1
Figure 52. Timer Timing