TMS320C6472ECTZ datasheet(148/269 Pages) TI1

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LRESETNMIEN

LRESET

NMI

CORESEL[2:0]

BOOTACTIVE

(output)

TMS320C6472

SPRS612G

– JUNE 2009 – REVISED JULY 2011

www.ti.com

Table 7-16. Timing Requirements for Local Reset(1)

(see Figure 7-12)

500/625/700

NO.

UNIT

MIN

MAX

tw(

LRESETNMIEN

)

Width of the LRESETNMIEN pulse

12P

tsu(

LRESET

, NMI, and

Setup time, LRESET, NMI, and CORESEL[2:0] valid before

12P

CORESEL[2:0])

LRESETNMIEN low

th(

LRESET

, NMI, and

Hold time, LRESET, NMI, and CORESEL[2:0] valid after LRESETNMIEN

12P

CORESEL[2:0])

high

(1)

P = 1/CPU clock frequency in nanoseconds (ns).

Figure 7-12. Local Reset Timing

Table 7-17. Switching Characteristics Over Recommended Operating Conditions for Boot Timing(1)

(see Figure 7-13)

500/625/700

NO.

UNIT

MIN

MAX

tw(BOOTACTIVE)

Pulse duration, BOOTACTIVE high edge to BOOTACTIVE low edge

12P

(1)

P = 1/CPU clock frequency in nanoseconds (ns).

Figure 7-13. BOOTACTIVE Timing

148

C64x+ Peripheral Information and Electrical Specifications

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