MEC1322 datasheet(129/456 Pages) MICROCHIP

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DS00001719D-page 129

MEC1322

10.4

Interface

This block is designed to be accessed externally and internally via a register interface.

10.5

Signal Description

There are no external signals.

10.6

Host Interface

The registers defined for the ACPI Embedded Controller Interface (ACPI-ECI) are accessible by the System Host and

the Embedded Controller as indicated in Section 10.12, "Runtime Registers" and Section 10.13, "EC-Only Registers".

10.7

Power, Clocks and Reset

This section defines the Power, Clock, and Reset parameters of the block.

10.7.1

POWER DOMAINS

10.7.2

CLOCK INPUTS

This block only requires the Host interface clocks to synchronize registers access.

10.7.3

RESETS

FIGURE 10-1:

I/O DIAGRAM OF BLOCK

TABLE 10-2:

POWER SOURCES

Name

Description

VCC1

The logic and registers implemented in this block reside on this single

power well.

TABLE 10-3:

RESET SIGNALS

Name

Description

VCC1_RESET

VCC1_RESET resets all the logic and registers in ACPI Embedded

Controller Interface (ACPI-ECI).

ACPI Embedded Controller

Interface (ACPI-ECI)

Interrupts

Power, Clocks and Reset

Host Interface

Signal Description

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