TMS320C6457 Datasheet, PDF (130/238 Pages) Texas Instruments – Fixed-Point Digital Signal Processor

TMS320C6457
Fixed-Point Digital Signal Processor
SPRS582—March 2009
7.5.2 External Interrupts Electrical Data/Timing
Table 7-13 Timing Requirements for External Interrupts ⁽¹⁾
(see Figure 7-8)
No.
1 t_w(NMIL)
2 t_w(NMIH)
End of Table 7-13
Width of the NMI interrupt pulse low
Width of the NMI interrupt pulse high
1 P = 1/CPU clock frequency in ns. For example, when running parts at 1000 MHz, use P = 1 ns.
Figure 7-8 NMI Interrupt Timing
NMI
2
1
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Min
Max Unit
6P
ns
6P
ns
130 C64x+ Peripheral Information and Electrical Specifications
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