MEC1632 datasheet(116/636 Pages) MICROCHIP

116 / 636 page

MEC1632

DS00001592B-page 116

 2012-2018 Microchip Technology Inc.

Note 7-29

see the system state definitions in Section 7.4.10.2, "EC Controlled Dynamic Power States," on

page 112.

Note 7-30

SLEEP_STATE affects the 20 MHz Oscillator as described in Section 7.4.10.4, "20 MHz Oscillator

Control," on page 114 and appears in Table 7-4, “Power, Clocks, and Resets Port List,” on page 96.

TABLE 7-17:

EC Power State Controls DESCRIPTION

ARC_CLK_DI

SABLE

(

Note 7-21)

SLEEP_FLAG

(

Note 7-20)

SLEEP_STATE

(

Note 7-30)

Status

(

Note 7-29)

Description

FULL POWER

–

PREPARING SYS-

TEM SLEEP

SLEEP_FLAG has been asserted by

the EC which asserts sleep enables to

blocks that have been enabled for

sleeping; i.e., clocks in these blocks

are turning ‘off’ in this state. The EC

and the 20 MHz Oscillator clock remain

active. The PREPARING SYSTEM

SLEEP state may represent a lower

than FULL POWER system power

consumption state.

EC SLEEP

The Clock Generator is unaffected in

the EC SLEEP state. The EC SLEEP

state may or may not represent a lower

system power state than the PREPAR-

ING SYSTEM SLEEP state depending

on the Block Sleep Enables and the

system operational state.

SYSTEM LIGHT

SLEEP, SYSTEM

HEAVY SLEEP 1,

SYSTEM HEAVY

SLEEP 2, SYSTEM

HEAVY SLEEP 3,

SYSTEM DEEPEST

SLEEP

The 20 MHz Oscillator may be stopped

as described in Section 7.4.10.4, "20

MHz Oscillator Control," on page 114.

FIGURE 7-14:

EC Power State Controls TIMING

SLEEP_STATE

SLEEP_FLAG

ARC_CLK_DISABLE

tSLP-SETUP

WAKE

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