MEC1322 datasheet(152/456 Pages) MICROCHIP

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MEC1322

DS00001719D-page 152

 2014 - 2015 Microchip Technology Inc.

11.12 Instance Description

There are two blocks defined in this chapter: Emulated 8042 Interface and the Legacy Port92/GATEA20 Support. The

MEC1322 has one instance of each block.

11.13 Configuration Registers

The registers listed in the Configuration Register Summary table are for a single instance of the Emulated 8042 Inter-

face. The addresses of each register listed in this table are defined as a relative offset to the host “Base Address” defined

in the Configuration Register Base Address Table.

Each Configuration register access through the Host Access Port is via its LDN and its Host Access Port Index. EC

access is a relative offset to the EC Base Address.

FIGURE 11-5:

CPU_RESET IMPLEMENTATION DIAGRAM

TABLE 11-10: CONFIGURATION REGISTER BASE ADDRESS TABLE

Block Instance

Instance

Number

Logical

Device

Number

Host

Address Space

Base Address

Emulated 8042

Interface

LPC

Configuration Port

INDEX = 00h

32-bit internal

address space

400F_0400h

TABLE 11-11: CONFIGURATION REGISTER SUMMARY

Offset

30h

Activate Register

Pulse

Generator

FE Command

(From KRESET

Speed-up Logic)

Pulse

Generator

SAEN

ENAB P92

CPU_RESET

μs

KRESET

ALT_RST#

Port 92 Reg (D0)

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