MEC1632 datasheet(113/636 Pages) MICROCHIP

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DS00001592B-page 113

MEC1632

Note 7-20

SLEEP_FLAG is bit D1 in the Clock Control Register.

Note 7-21

the ARC_CLK_DISABLE signal is described in Table 7-4, “Power, Clocks, and Resets Port List,” on

page 96.

Note 7-22

includes the sum of all the “Core Clock Required Status” outputs defined in the Generic Block

Clocking Model and aggregated in the Clock Required Status Registers.

Note 7-23

this column refers to the SLEEP CONFIG field in the Clock Control Register.

Note 7-24

In the PREPARING SYSTEM SLEEP state when the sleep enable to a block is asserted, EC register

accesses to that block are undefined and should be avoided.

SYSTEM

LIGHT SLEEP

Clock

Required

System is in a sleeping mode but the 20

MHz Oscillator must remain operating

because one or more blocks require a

clock.

SYSTEM

HEAVY

SLEEP 1

Clock Not

Required

System is in a sleeping mode and no

blocks require the clock. There is no

clock start up latency following a wake

event in SYSTEM HEAVY SLEEP 1

(see Table 7-41, “SLEEP CONFIG Bit

Encoding,” on page 135).

SYSTEM

HEAVY

SLEEP 2

System is in a sleeping mode and no

blocks require the clock. There is mini-

mal clock start up latency following a

wake event in SYSTEM HEAVY SLEEP

2 (see Table 7-41, “SLEEP CONFIG Bit

Encoding,” on page 135).

SYSTEM

HEAVY

SLEEP 3

System is in a sleeping mode and no

blocks require the clock. There is

more clock start up latency following a

wake event in SYSTEM HEAVY SLEEP

3 than from SYSTEM HEAVY SLEEP 2

(see Table 7-41, “SLEEP CONFIG Bit

Encoding,” on page 135).

SYSTEM

DEEPEST

SLEEP

System is in a sleeping mode and no

blocks require the clock. Clock start

up latency is the longest and power

consumption the lowest in SYSTEM

DEEPEST SLEEP (see Table 7-41,

“SLEEP CONFIG Bit Encoding,” on

page 135).

TABLE 7-14:

EC CONTROLLED DYNAMIC POWER STATES (CONTINUED)

Power

State Name

SLEEP_FLAG

(

Note 7-20)

ARC_CLK_

DISABLE

(

Note 7-21)

Global

Block

Clock

Status

(

Note 7-22)

SLEEP

CONFIG

(

Note 7-23)

Description

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