MCP2140A Microchip Technology, MCP2140A Datasheet - Page 2

• Manufacturer Part Number: MCP2140A
• Description: IrDA Standard Protocol Stack Controller With Fixed 9600 Baud Communication Rate
• Manufacturer: Microchip Technology

MCP2140A
MCP2140A System Block Diagram
DS22050A-page 2
Microcontroller
PIC®
Note 1: Not all microcontroller I/O pins are required to be connected to the MCP2140A.
SO
I/O
I/O
I/O
I/O
I/O
I/O
I/O
SI
RTS
CTS
DSR
DTR
CD
RI
PHACT
TX
RX
Control
Decode
Logic
UART
Baud Rate
Generator
MCP2140A
Encode
TXIR
+
-
RXPDREF
RXPD
0.1 µF
© 2007 Microchip Technology Inc.
R1 (100 kΩ)
R2 (100 kΩ)
Optical
Transceiver
TXD
RXD