MCP2140A Microchip Technology, MCP2140A Datasheet - Page 51
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MCP2140A
Manufacturer Part Number
MCP2140A
Description
IrDA Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate
Manufacturer
Microchip Technology
Datasheet
1.MCP2140A.pdf
(60 pages)
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APPENDIX C:
Figure C-1
Reference Model. The shaded areas are implemented
by the MCP2140A, while the cross-hatched area is
implemented by an infrared transceiver. The unshaded
areas should be implemented by the Host Controller.
FIGURE C-1:
© 2007 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
shows
OSI REFERENCE LAYERS
ISO REFERENCE LAYER MODEL
Data Link Layer
the
NETWORK
LAYERING
REFERENCE MODEL
Physical Layer
Presentation
Application
Transport
Network
Session
ISO
Network
Layering
Has to be implemented in Host
Controller firmware
(such as a PIC
Regions implemented
by the MCP2140A
Regions implemented
by the Optical Transceiver logic
Fault
confinement
(MAC-LME)
Bus Failure
management
(PLS-LME)
Supervisor
MCP2140A
®
microcontroller
DS22050A-page 51