Motorola TMS320C6711D Manual de usuario descargar pdf (Pagina 100)

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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 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 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 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 250 MHz, use P = 4 ns.

TINPx

TOUTx

Figure 52. Timer Timing

1 2 ... 95 96 97 98 99 100 101 102 103 104 105 106 107

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Motorola TMS320C6711D Manual de usuario Pagina 100

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