MCP2140 Microchip Technology, Inc., MCP2140 Datasheet - Page 45

• Manufacturer Part Number: MCP2140
• Description: The MCP2140 Embeds Irda Protocol Handling And Bit Encoding/decoding, And Provides The Lowest Cost, Lowest Power Consumption Solution For Adding Irda Connectivity to Embedded Systems
• Manufacturer: Microchip Technology, Inc.

APPENDIX A: REVISION HISTORY
Revision A
• This is a new data sheet
FIGURE B-1:
2003 Microchip Technology Inc.
LLC (Logical Link Control)
Acceptance Filtering
Overload Notification
Recovery Management
MAC (Medium Access Control)
Data Encapsulation/Decapsulation
Frame Coding (stuffing, destuffing)
Medium Access Management
Error Detection
Error Signalling
Acknowledgment
Serialization/Deserialization
PLS (Physical Signalling)
Bit Encoding/Decoding
Bit Timing
Synchronization
PMA (Physical Medium Attachment)
Driver/Receiver Characteristics
MDI (Medium Dependent Interface)
Connectors
OSI REFERENCE LAYERS
ISO REFERENCE LAYER MODEL
Data Link Layer
Physical Layer
Presentation
Application
Transport
Session
Network
Preliminary
APPENDIX B: NETWORK
Figure B-1
Model. The shaded areas are implemented by the
MCP2140, while the cross-hatched area is imple-
mented by an infrared transceiver. The unshaded
areas should be implemented by the Host Controller.
shows the ISO Network Layering Reference
Has to be implemented in Host
Controller firmware
(such as a PICmicro
microcontroller)
Regions implemented
by the MCP2140
Regions implemented
by the Optical Transceiver logic
Fault
confinement
(MAC-LME)
Bus Failure
management
(PLS-LME)
Supervisor
LAYERING
REFERENCE MODEL
MCP2140
®
DS21790A-page 45