MEC1404 Datasheet, PDF (228/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
FIGURE 14-2:
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
MCHP Proprietary
DS00001956D-page 228
 2015 - 2016 Microchip Technology Inc.