Texas-instruments TMS320C6712D Manuale Utente Scaricare il pdf (Pagina 95)

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SPRS293 − OCTOBER 2005

POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443

TIMER TIMING

timing requirements for timer inputs

†

(see Figure 47)

NO.

−150

UNIT

NO.

MIN MAX

UNIT

1 t

w(TINPH)

Pulse duration, TINP high 2P ns

2 t

w(TINPL)

Pulse duration, TINP low 2P ns

†

P = 1/CPU clock frequency in ns. For example, when running parts at 150 MHz, use P = 10 ns.

switching characteristics over recommended operating conditions for timer outputs

†

(see Figure 47)

NO.

PARAMETER

−150

UNIT

NO.

PARAMETER

MIN MAX

UNIT

3 t

w(TOUTH)

Pulse duration, TOUT high 4P−3 ns

4 t

w(TOUTL)

Pulse duration, TOUT low 4P−3 ns

†

P = 1/CPU clock frequency in ns. For example, when running parts at 150 MHz, use P = 10 ns.

TINPx

TOUTx

Figure 47. Timer Timing

1 2 ... 90 91 92 93 94 95 96 97 98 99 100 101 102

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Texas-instruments TMS320C6712D Manuale Utente Pagina 95

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