ENICSF2811PBKA datasheet(109/172 Pages) TI1

109 / 172 page

TMS320F2810, TMS320F2811, TMS320F2812

TMS320C2810, TMS320C2811, TMS320C2812

www.ti.com

SPRS174T – APRIL 2001 – REVISED MAY 2012

Table 6-14. STANDBY Mode Timing Requirements

MIN

NOM

MAX

UNIT

Without input qualifier

12tc(CI)

Pulse duration, external wake-up

tw(WAKE-INT)

cycles

signal

With input qualifier

(2 + QUALSTDBY) * tc(CI)

(1)

QUALSTDBY is a 6-bit field in the LPMCR0 register.

Table 6-15. STANDBY Mode Switching Characteristics

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Delay time, IDLE instruction

td(IDLE-XCOH)

32tc(SCO)

45tc(SCO)

cycles

executed to XCLKOUT high

Delay time, external wake signal to program execution

resume(1)

Without input qualifier

12tc(CI)

•

Wake-up from Flash

cycles

–

Flash module in active

With input qualifier

12tc(CI) + tw(WAKE-INT)

state

td(WAKE-STBY)

Without input qualifier

1125tc(SCO)

•

Wake-up from Flash

cycles

–

Flash module in sleep

With input qualifier

1125tc(SCO) + tw(WAKE-INT)

state

Without input qualifier

12tc(CI)

•

Wake-up from SARAM

cycles

With input qualifier

12tc(CI) + tw(WAKE-INT)

(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.

Electrical Specifications

109

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