MCP2140 Microchip Technology, Inc., MCP2140 Datasheet - Page 10

• 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.

MCP2140
FIGURE 2-4:
DS21790A-page 10
HOST UART CTS FLOW CONTROL FLOWCHART
Transmit Byte
IR Flow Start
CTS Low?
CTS Low?
Y
Y
N
N
Preliminary
Transmit Byte
DTR Low?
CTS Low?
CNTR = 6
Y
Y
N
N
CNTR = CNTR - 1
2003 Microchip Technology Inc.
Lost IR Link
CNTR = 0?
Y
N