TMS320F2810PBKA datasheet(45/173 Pages) TI

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WAKE INT

(B)

XCLKOUT

(A)

A0-A15

d(WAKE-IDLE)

w(WAKE-INT)

TMS320F2810, TMS320F2811, TMS320F2812

www.ti.com

SPRS174U – APRIL 2001 – REVISED JULY 2019

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Specifications

5.12.5.4 Low-Power Mode Wakeup Timing

(1)

Input Qualification Time (IQT) = [tc(SCO) × 2 × QUALPRD] × 5 + [tc(SCO) × 2 × QUALPRD].

Table 5-16. IDLE Mode Timing Requirements

MIN

MAX

UNIT

tw(WAKE-INT)

Pulse duration, external wake-up signal

Without input qualifier

2tc(SCO)

cycles

With input qualifier

1tc(SCO) + IQT

(1)

This is the time taken to begin execution of the instruction that immediately follows the IDLE instruction. Execution of an ISR (triggered

by the wake-up) signal involves additional latency.

(2)

Input Qualification Time (IQT) = [tc(SCO) × 2 × QUALPRD] × 5 + [tc(SCO) × 2 × QUALPRD].

Table 5-17. IDLE Mode Switching Characteristics

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

td(WAKE-IDLE)

Delay time, external wake signal to program execution resume(1)

•

Wake-up from Flash

–

Flash module in active state

Without input qualifier

8tc(SCO)

cycles

With input qualifier

8tc(SCO) + IQT

(2)

•

Wake-up from Flash

–

Flash module in sleep state

Without input qualifier

1050tc(SCO)

cycles

With input qualifier

1050tc(SCO) + IQT

(2)

•

Wake-up from SARAM

Without input qualifier

8tc(SCO)

cycles

With input qualifier

8tc(SCO) + IQT

(2)

XCLKOUT = SYSCLKOUT

WAKE INT can be any enabled interrupt, WDINT, XNMI, or XRS.

Figure 5-19. IDLE Entry and Exit Timing

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