Motorola TMS320C6711D warranty External Interrupt Timing, Extint, Nmi

Models: TMS320C6711D

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SPRS292A − OCTOBER 2005 − REVISED NOVEMBER 2005

EXTERNAL INTERRUPT TIMING

timing requirements for external interrupts(see Figure 41)

 

 

 

GDPA-167

 

 

 

 

ZDPA−167

 

NO.

 

 

−200

 

UNIT

 

 

 

−250

 

 

 

 

 

MIN

MAX

 

 

 

 

 

 

 

1

tw(ILOW)

Width of the NMI interrupt pulse low

2P

 

ns

 

 

 

 

Width of the EXT_INT interrupt pulse low

4P

 

ns

 

 

 

 

 

 

 

 

 

2

tw(IHIGH)

Width of the NMI interrupt pulse high

2P

 

ns

 

 

 

 

Width of the EXT_INT interrupt pulse high

4P

 

ns

 

 

 

 

 

 

 

 

 

P = 1/CPU clock frequency in ns. For example, when running parts at 250 MHz, use P = 4 ns.

2 1

EXT_INT, NMI

Figure 41. External/NMI Interrupt Timing

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Page 86
Image 86
Motorola TMS320C6711D External Interrupt Timing, Timing requirements for external interrupts† see Figure, Extint, Nmi