MEC1322 datasheet(76/456 Pages) MICROCHIP

Part #	MEC1322

Description	Keyboard and Embedded Controller for Notebook PC

PDF	456 Pages

Scroll/Zoom	100%

Manufacturer	MICROCHIP [Microchip Technology]

Direct Link	http://www.microchip.com

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76 / 456 page

MEC1322

DS00001719D-page 76

 2014 - 2015 Microchip Technology Inc.

5.4

Interface

This block is designed to be accessed externally via the pin interface and internally via a registered host interface.

5.4.1

SIGNAL DESCRIPTION

FIGURE 5-1:

BLOCK DIAGRAM OF LPC INTERFACE CONTROLLER WITH CLKRUN#

SUPPORT

TABLE 5-2:

SIGNAL DESCRIPTION TABLE

Name

Direction

Description

LAD0

Input/Output

Bit[0] of the LPC multiplexed command, address, and data

bus.

LAD1

Input/Output

Bit[1] of the LPC multiplexed command, address, and data

bus.

LAD2

Input/Output

Bit[2] of the LPC multiplexed command, address, and data

bus.

LAD3

Input/Output

Bit[3] of the LPC multiplexed command, address, and data

bus.

SERIRQ

LAD0

LAD1

LAD2

LAD3

LFRAME#

LRESET#

LCLK

LPC Interface

(Logical Device Ch)

LPC Controller

Serial IRQ

State Machine

Interface to

Configuration

Registers

CLKRUN#

LPC Config

Registers

LPC Regis-

ters

(Runtime,

EC-Only)

Interface to Logical

Device Register

MEC1322 Datasheet(PDF) 76 Page - Microchip Technology

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