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PIC18F4439 Datasheet

  • PIC18F4439

  • PIC18XXX Tools Quick Chart

  • 147.92KB

  • 6頁

  • ETC

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PIC18XXX Tools Quick Chart
MPLAB
廬
C18 Compiler Software Installation
To install the MPLAB C18 Compiler, run the setup program
from the CD-ROM. A series of dialogs will step through the
setup process. When installing MPLAB C18 for the first
time, the default installation directory is
C:\mcc18.
Literal Instructions
Mnemonic
ADDLW kk
ANDLW kk
CLRWDT
Description
ADD literal to WREG
AND literal with
WREG
Function
W+kk
鈫?/div>
W
W
.AND.
kk
鈫?/div>
W
Environment Variables
Use these settings either through the
AUTOEXEC.BAT
file
or your DOS properties so that when using MPLAB C18
from the command line, the path to the executables and
header files will not have to be specified.
PATH=C:\MCC18\BIN;<additional
paths for other apps>
Allows MPLAB C18 and the MPLINK鈩?linker to be
executed at the command shell prompt from any directory.
PATH=C:\MCC18\MPASM;C:\MCC18\BIN;C:\Program
Files\MPLAB IDE\MCHIP_Tools;%PATH%
Allows the MPASM鈩?assembler to be executed at the
command shell prompt from any directory.
SET MCC_INCLUDE=c:\mcc18\h
Specifies the default search path for include files.
Clear Watchdog Timer 0
鈫?/div>
WDT, 0
鈫?/div>
WDT
postscaler,
1
鈫?/div>
TO,1
鈫?/div>
PD
Decimal Adjust WREG if W<3:0> >9 or DC=1,
W<3:0>+6鈫扺<3:0>,
else W<3:0>
鈫?/div>
W<3:0>;
if W<7:4> >9 or C=1,
W<7:4>+6鈫扺<7:4>,
else W<7:4>
鈫?/div>
W<7:4>
kk
r,kc
Inclusive OR literal
with WREG
Load 12-bit Literal to
FSR (second word)
Set BSR bank
Move literal to WREG
W
.OR.
kk
鈫?/div>
W
kc
鈫?/div>
FSRr
kb
鈫?/div>
BSR
kk
鈫?/div>
W
DAW
IORLW
LFSR
MOVLB kb
MOVLW kk
MULLW kk
SUBLW kk
XORLW kk
Multiply lit with WREG W * kk
鈫?/div>
PRODH:PRODL
Subtract W from literal kk鈥揥
鈫?/div>
W
Excl OR lit with WREG W
.XOR.
kk
鈫?/div>
W
Help Resources
Refer to the Troubleshooting section of MPLAB IDE Help
and the Microchip web site (www.microchip.com) for:
鈥?On-line support
鈥?Latest development tool downloads and updates, data
sheets, application notes, user's guides, articles and
sample programs
鈥?Web Conference, Design Tips, Device Errata
鈥?Microchip Change Notification System
Development Systems Information Line and Technical
Support:
1-800-755-2345 for U.S. and most of Canada
1-480-792-7302 for the rest of the world.
Core Memory Instructions
Mnemonic
TBLRD*
TBLRD*+
Description
Function
Table Read
Prog Mem
(no change to TBLPTR) (TBLPTR)
鈫?/div>
TABLAT
Table Read
(post-increment
TBLPTR)
Table Read
(post-decrement
TBLPTR)
Table Read
(pre-increment
TBLPTR)
Prog Mem
(TBLPTR)
鈫?/div>
TABLAT
TBLPTR +1
鈫?/div>
TBLPTR
Prog Mem
(TBLPTR)
鈫?/div>
TABLAT
TBLPTR -1
鈫?/div>
TBLPTR
TBLPTR +1
鈫?/div>
TBLPTR
Prog Mem (TBLPTR)
鈫?/div>
TABLAT
TBLRD*-
TBLRD+*
TBLWT*
TBLWT*+
Key to PIC18XXX Instruction Set
Field
f, fs, fd
r
b
a
d
kb, kk, kc
nn
nd
mm
Table Write
TABLAT
鈫?/div>
Prog
(no change to TBLPTR) Mem(TBLPTR)
Table Write
(post-increment
TBLPTR)
Table Write
(post-decrement
TBLPTR)
Table Write
(pre-increment
TBLPTR)
TABLAT
鈫?/div>
Prog
Mem(TBLPTR)
TBLPTR +1
鈫?/div>
TBLPTR
TABLAT
鈫?/div>
Prog
Mem(TBLPTR)
TBLPTR -1
鈫?/div>
TBLPTR
TBLPTR +1
鈫?/div>
TBLPTR
TABLAT
鈫?/div>
Prog
Mem(TBLPTR)
Description
8-bit file register address
0, 1 or 2 for FSR0, FSR1, FSR2 register
3-bit value representing bit position 0-7
Access bit, 0=Access reg, 1=Use BSR
Destination bit, 0=WREG, 1=f
4-, 8- and 12-bit literal value, respectively
8-bit relative offset (signed, 2鈥檚 complement)
11-bit relative offset (signed, 2鈥檚 complement)
20-bit program memory address
TBLWT+*
TBLWT*-

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