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GPIO Expander Keypad and LCD Demo Board User’s Guide
CONVENTIONS USED IN THIS GUIDE
This manual uses the following documentation conventions:
DOCUMENTATION CONVENTIONS
Description
Arial font:
Italic characters
Initial caps
Quotes
Underlined, italic text with
right angle bracket
Bold characters
N‘Rnnnn
Text in angle brackets < >
Courier New font:
Plain Courier New
Italic Courier New
Square brackets [ ]
Curly brackets and pipe
character: { | }
Represents
Referenced books
Emphasized text
A window
A dialog
A menu selection
A field name in a window or
dialog
A menu path
A dialog button
A tab
A number in verilog format,
where N is the total number of
digits, R is the radix and n is a
digit.
A key on the keyboard
Sample source code
Filenames
File paths
Keywords
Command-line options
Bit values
Constants
A variable argument
Optional arguments
Choice of mutually exclusive
arguments; an OR selection
Examples
MPLAB ? IDE User’s Guide
...is the only compiler...
the Output window
the Settings dialog
select Enable Programmer
“Save project before build”
File>Save
Click OK
Click the Power tab
4‘b0010, 2‘hF1
Press <Enter>, <F1>
#define START
autoexec.bat
c:\mcc18\h
_asm, _endasm, static
-Opa+, -Opa-
0, 1
0xFF, ‘A’
file .o , where file can be
any valid filename
mcc18 [options] file
[options]
errorlevel {0|1}
RECOMMENDED READING
For more information regarding the Stand-Alone CAN controller, CAN I/O Expander,
and CAN transceiver devices, refer to the appropriate data sheet. Table 1 shows the
device and associated Data Sheet literature number. These documents can be found
at Microchip’s web site at: www.microchip.com.
TABLE 1: DEVICES AND DATA SHEET LITERATURE NUMBERS
DS51636A-page 2
Device
MCP23X08
MCP23X17
Literature #
DS21919
DS21952
Device
PIC18F4550
MCP1702
Literature #
DS39632
DS22008
? 2006 Microchip Technology Inc.
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