Getting Started
1.4.4
Configuration 4
Developer ’s Board #1
MCP2120 Dev Board (IR Driver)
Developer ’s Board #2
→ IrDA standard port (Palm Pilot, cell phone, ...)
This configuration is used to evaluate the MCP2120 for an IrDA system, where the Host
Controller is responsible for the IrDA protocol stack.
The MCP2120 Developer ’s Board interfaces to a PC running a terminal emulation
program, such as Hyperterminal, that connects the IR port to a virtual serial port.
1.4.5
Configuration 5
Developer ’s Board #1
MCP2150 Dev Board (ASCII)
Developer ’s Board #2
→ IrDA standard port (Palm Pilot, cell phone, ...)
This configuration is used to evaluate the MCP2150 for adding the IrDA feature to a
system. The Host controller only needs to send and receive the required ASCII data,
while the MCP2150 handles the IrDA standard protocol stack.
The MCP2150 Developer ’s Board can have the host interface be from either the DB-9
(PC or other UART) or the Header.
1.5
PC REQUIREMENTS
The PC used has three main requirements. These are:
1. Standard Serial Port.
2. Terminal Emulation Program.
3. IrDA standard driver installed, which treats the IR port as a virtual serial port.
A non-legacy-free Intel compatible model with Windows 9x/2000 Operating System
(OS) would meet these requirements. The Windows OS includes a Terminal Emulation
program called Hyperterminal. Section 2.5 shows instructions to configure
Hyperterminal and demonstrate the Developer ’s Boards.
Note 1:
? 2005 Microchip Technology Inc.
Windows 2000 does support the IrDA standard, but does not treat the IR
port as a virtual serial port. This means that you cannot access the IR port
as a serial port. This causes issues with some terminal emulation pro-
grams, such as Hyperterminal. Windows 2000 considers the IrDA port to
be a network device. Applications that can access a network service
through a network protocol (i.e., TCP/IP) can use the MCP2120
Developer ’s Board using the appropriate Windows 2000 driver.
DS51246C-page 19
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