TMP320C2811PBKA datasheet(102/147 Pages) TI

102 / 147 page

Electrical Specifications

102

June 2004

SPRS257

6.16.2 Interrupt Timing

Table 6−16. Interrupt Switching Characteristics

PARAMETER

MIN

MAX

UNIT

td(PDP-PWM)HZ

Delay time, PDPINTx low to PWM

high impedance state

Without input

qualifier

td(PDP-PWM)HZ

high-impedance state

With input qualifier

1 * tc(SCO) + IQT + 12†

td(TRIP-PWM)HZ

Delay time, CxTRIP/TxCTRIP

signals low to PWM

Without input

qualifier

3 * tc(SCO)

td(TRIP-PWM)HZ

signals low to PWM

high-impedance state

With input qualifier

[2 * tc(SCO)] + IQT†

td(INT)

Delay time, INT low/high to interrupt-vector fetch

tqual + 12tc(XCO)

† Input Qualification Time (IQT) = [5 x QUALPRD x 2] * tc(SCO)

Table 6−17. Interrupt Timing Requirements

MIN

MAX

UNIT

Pulse duration INT input low/high

with no qualifier

2 * tc(SCO)

cycles

tw(INT)

Pulse duration, INT input low/high

with qualifier

1 * tc(SCO) + IQT†

cycles

Pulse duration PDPINTx input low

with no qualifier

2 * tc(SCO)

cycles

tw(PDP)

Pulse duration, PDPINTx input low

with qualifier

1 * tc(SCO) + IQT†

cycles

Pulse duration CxTRIP input low

with no qualifier

2 * tc(SCO)

cycles

tw(CxTRIP)

Pulse duration, CxTRIP input low

with qualifier

1 * tc(SCO) + IQT†

cycles

Pulse duration TxCTRIP input low

with no qualifier

2 * tc(SCO)

cycles

tw(TxCTRIP)

Pulse duration, TxCTRIP input low

with qualifier

1 * tc(SCO) + IQT†

cycles

† Input Qualification Time (IQT) = [5 x QUALPRD x 2] * tc(SCO)

TMP320C2811PBKA Datasheet(PDF) 102 Page - Texas Instruments

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