MEC1322 Datasheet, PDF (132/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
FIGURE 10-2:
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
SMSC Proprietary
DS00001719D-page 132
 2014 - 2015 Microchip Technology Inc.