Information

MCP2120/22 Developer’s Board User’s Guide
DS51842A-page 22 © 2009 Microchip Technology Inc.
TABLE 2-4: DEMO #1 STEPS - DIRECT TO UART (DB-9)
Step Action Result
1 Place the two MCP2120/22 Developer’s Boards on a flat
surface about 25 cm (10 inches) apart, and with the IR
ports facing each other.
—
2 On the MCP2120/22 Developer’s Boards:
Ensure that the jumpers are configured as in
Figure 2-2.
—
3 On the MCP2120/22 Developer’s Boards:
Apply power to each unit via the USB connector.
On the MCP2120/22 Developer’s Boards:
The green power LED (D1) will turn on.
4 Connect PC’s Serial Ports to the DB-9 connector of each
MCP2120/22 Developer’s Board.
—
5 On the PC:
Open an instance of HyperTerminal program window
attached to the PC’s Serial Port (such as COM 1) to
connect to the MCP2120/22 Developer’s Board #1.
Ensure that the window indicates that the HyperTerminal
program is connected and properly configured.
On the MCP2120/22 Developer’s Board:
—
On the PC:
The HyperTerminal window will indicate
“connected” and the selected Baud rate settings.
Note: See D.1 “Configuring the Hyperterminal®
Program”
6 On the PC:
Open a second instance of HyperTerminal program
window attached to the PC’s Serial Port (such as
COM 2) to connect to the MCP2120/22 Developer’s
Board #2.
Ensure that the window indicates that the HyperTerminal
program is connected and properly configured.
On the MCP2120/22 Developer’s Board:
—
On the PC:
The HyperTerminal window will indicate
“connected” and the selected Baud rate settings.
Note: See D.1 “Configuring the Hyperterminal®
Program”
7 On the PC:
In one of the HyperTerminal program windows (COM 1),
type some characters.
On the PC:
In the other HyperTerminal program windows
(COM 2), those characters appear.
8 On the PC:
In the other HyperTerminal program windows (COM 2),
type some characters.
On the PC:
In the other HyperTerminal program windows
(COM 1), those characters appear.
9 On the PC:
In either HyperTerminal program windows, select the
Transfer pull-down menu and then the Send Text File ...
option. Navigate to the folder that contains the
Transmit File.Txt file and select it. Then click
Open.
On the PC:
In the selected HyperTerminal program window, the
displayed data is transmitted and is received and
displayed by the other HyperTerminal program
window.
10 On the PC:
Make this file transfer transmitting from the other
HyperTerminal program window.
On the PC:
In the selected HyperTerminal program window, the
displayed data is transmitted, being received and
displayed by the other HyperTerminal program
window.
11 Continue steps 7, 8, 9, or 10 for as long as desired. —