MEC1404 Datasheet, PDF (229/572 Pages) Microchip Technology – Keyboard and Embedded Controller Products for Notebook PC

MEC140X/1X
FIGURE 14-2:
BLOCK DIAGRAM CORRESPONDING TO THE ACPI SPECIFICATION
Four-byte Mode
System
Host
Interface
to OS
Data
Full Duplex
Data flow in each
direction indipendent
3
0
1
2
0
1
2
3
Data
Command
EC
Processor
Interface
Status
Host SMI & SCI
interrupts
EC Interrupts
Control Register
Legend
Legacy
MCHP Proprietary
 2015 - 2016 Microchip Technology Inc.
DS00001956D-page 229