MEC1322 Datasheet, PDF (131/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
FIGURE 10-2:
BLOCK DIAGRAM CORRESPONDING TO THE ACPI SPECIFICATION
Legacy Mode
Data
Single Byte
Full Duplex
Data flow in each
direction indipendent
Data
Single
Byte
System
Host
Interface
to OS
Command
Status
Host SMI & SCI
interrupts
EC
Processor
Interface
EC Interrupts
Control Register
Legend
Legacy
SMSC Proprietary
 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 131