TMS320VC5441APGF datasheet(70/86 Pages) TI

70 / 86 page

Electrical Specifications

December 1999 – Revised April 2002

SPRS122E

5.8

External Flag (x_XF), Timer (x_TOUT), and Watchdog Timer Output (x_WTOUT)

Timings

Table 5–7 assumes testing over recommended operating conditions and H = 0.5tc(CO) (see Figure 5–6,

Figure 5–7, and Figure 5–8).

Table 5–7. External Flag (x_XF), Timer (x_TOUT), and Watchdog Timer Output (x_WTOUT)

Switching Characteristics

PARAMETER

MIN

MAX

UNIT

Delay time, CLKOUT high to x_XF high

– 1

td(XF)

Delay time, CLKOUT high to x_XF low

– 1

td(TOUTH) Delay time, CLKOUT high to x_TOUT high

– 1

td(TOUTL)

Delay time, CLKOUT high to x_TOUT low

– 1

tw(TOUT)

Pulse duration, x_TOUT

2H –8

td(WTOUTH) Delay time, CLKOUT high to x_WTOUT high

– 1

td(WTOUTL) Delay time, CLKOUT high to x_WTOUT low

– 1

tw(WTOUT) Pulse duration, x_WTOUT

2H – 8

x_XF

CLKOUT

td(XF)

Figure 5–6. External Flag (x_XF) Timing

x_TOUT

CLKOUT

tw(TOUT)

td(TOUTL)

td(TOUTH)

Figure 5–7. Timer (x_TOUT) Timing

x_WTOUT

CLKOUT

tw(WTOUT)

td(WTOUTL)

td(WTOUTH)

Figure 5–8. Watchdog Timer (x_WTOUT) Timing

TMS320VC5441APGF Datasheet(PDF) 70 Page - Texas Instruments

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