MCP2140A
FIGURE 2-11:
EXAMPLE IR COMMUNICATION SEQUENCE
Primary Device Secondary Device Secondary Device Primary Device
Primary Device
Sends Open Decodes Open Responds to
Decodes Secondary Responds to
Link Frame Link Frame
Open Link Frame Device Response Secondary Device
Secondary Device
Decodes Primary
Devices Reponse
Secondary Device
Sends Data
Primary Device
Decodes Received
Data
Primary Device
Responds to
Secondary Device
Secondary Device
Decodes Primary
Devices Reponse
Secondary Device
Sends Data
Primary Device
Decodes Received
Data
Primary Device
Responds to
Secondary Device
FIGURE 2-12:
HOST CONTROLLER TRANSMISSION (S → P) OF A 250 BYTE PACKET
(TO PIC IrDA STANDARD STACK)
© 2007 Microchip Technology Inc.
DS22050A-page 17