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PRODUCT PREVIEW
7.5.2 External Interrupts Electrical Data/Timing
2
1
NMI
TMS320C6454
Fixed-Point Digital Signal Processor
SPRS311A – APRIL 2006 – REVISED DECEMBER 2006
Table 7-11. Timing Requirements for External Interrupts
(1)
(see Figure 7-6 )
-720
-850
NO. UNIT
-1000
MIN MAX
1 t
w(NMIL)
Width of the NMI interrupt pulse low 6P ns
2 t
w(NMIH)
Width of the NMI interrupt pulse high 6P ns
(1) P = 1/CPU clock frequency in ns. For example, when running parts at 1000 MHz, use P = 1 ns.
Figure 7-6. NMI Interrupt Timing
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