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PICList Thread
'PIC FAQ 2.02'
1994\11\08@224140 by tom

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picon face
PIC-FAQ         Issue 2.02

This article is a collection of information sources for the PIC  family of micro
controllers (and variants).

The following topics are addressed:

           0  )  Index <You're reading it>

           1  )  ABOUT THIS FAQ
           1.1)  Who put this FAQ together?
           1.2)  How can I contribute to this FAQ?
           1.3)  What newsgroups will this FAQ be posted to?
           1.4)  Mailing lists of interest to PIC fanglers
           1.5)  Other FAQs of possible interest
           1.6)  Can I distribute this FAQ or post it somewhere else?

           2  )  ABOUT THE PIC
           2.1)  The PIC micro controller
           2.2)  PIC variants
           2.3)  Notes for programmers
           2.4)  PIC contacts and representatives

           3  )  PIC Utilities
           3.1)  FTP sites for the PIC
           3.2)  BBSs that support the PIC
           3.3)  Programming languages (3rd Party)
           3.4)  Programming hardware  (3rd Party)

           4  )  PIC DOCUMENTATION
           4.1)  Periodicals that cover the PIC
           4.2)  Books on the PIC
           4.3)  Miscellaneous documentation on the PIC

           5  )  What's next.


=============================================================================

1)  ABOUT THIS FAQ

1.1)  Who put this FAQ together?

       The denizens of "The Internet"  i.e.  yourselves.

1.2)  How can I contribute to this list?

   Please, if you have any suggestions corrections or additions,
   notify me by E-MAIL.  :  spam_OUTTomTakeThisOuTspamtakdsign.demon.co.uk   Thank you.


1.3)  What newsgroups will this FAQ be posted to?

   This FAQ will be posted to the following newsgroups:
       sci.electronics.repair
       comp.robotics

   And the PIC mailing list.

   The schedule for posting will be once a month.


1.4)  Mailing lists of interest

       To subscribe to the PIC mailing list;
       Mail to:        .....listservKILLspamspam@spam@mitvma.mit.edu
       Header:         () leave blank, not used.
       Text:           SUBscribe PIC   to subscribe
               or      UNSUBscribe PIC to un subscribe
               or      HELP            to get help

       The pic list address is: PICspamKILLspammitvma.mit.edu


1.5)  Other FAQs of possible interest
       The 8051FAQ posted by Russ Hersch - .....sibitKILLspamspam.....datasrv.co.il

       Available in

       comp.sys.intel
       comp.realtime
       comp.robotics
       comp.lang.forth
       sci.electronics


1.6)  Can I post this FAQ to my local BBS?

   I am putting no restrictions on the use of this FAQ except - It
must   be distributed in its entirety and no financial gain may be
realised  from it.

=============================================================================

2)  ABOUT THE PIC

-----------------------------------------------------------------------------

2.1)  The PIC micro controller

   The PIC series are eprom based 8-bit micro controllers
       developed by Microchip Technology

-----------------------------------------------------------------------------

2.2)  PIC Variants

PIC processors are available in three families, which Microchip refers to as
the PIC16C5x, PIC16Cxx, and PIC17Cxx families.

PIC16C5x: 12 bit program word size, 33 instructions, 2 level stack,
         no interrupts

           Program    Data              Max.   Voltage   Typical   Digikey
           memory     memory     I/O    freq.  Range     Current   Price
           (words)    (bytes)    pins   (MHz)  (Volts)   (mA)      (US $)
----------  ---------  ---------  -----  -----  --------  -------   -------
PIC16C54     512       25         12     20     2.5-6.25    2        4.39
PIC16C54A    512       25         12     20     2.5-6.25    2
PIC16CR54    512 ROM   25         12     20     2.0-6.25    1
PIC16CR54A   512 ROM   25         12     20     2.0-6.25    1
PIC16C55     512       24         20     20     2.5-6.25    2        5.44
PIC16C56    1024       25         12     20     2.5-6.25    2        5.03
PIC16C57    2048       72         20     20     2.5-6.25    2        6.24
PIC16CR57A  2048 ROM   72         20     20     2.0-6.25    1
PIC16C58A   2048       73         12     20     2.5-6.25    1


PIC16Cxx: 14 bit word size, 35 instructions, 8 level stack

           Program    Data              Max.   Voltage   Typical   Digikey
           memory     memory     I/O    freq.  Range     Current   Price
           (words)    (bytes)    pins   (MHz)  (Volts)   (mA)      (US $)
----------  ---------  ---------  -----  -----  --------  -------   -------
PIC16C64    2048       128        33     20     2.0-6.0     3       11.05
PIC16C71    1024       36         13     16     3.0-6.0     2       14.38
PIC16C74    4096       192
PIC16C84    1024 EE    36 + 64 EE 13     10     2.0-6.0     2       10.15


PIC17Cxx: 16 bit word size, 55 instructions, 16 level stack:

           Program    Data              Max.   Voltage   Typical   Digikey
           memory     memory     I/O    freq.  Range     Current   Price
           (words)    (bytes)    pins   (MHz)  (Volts)   (mA)      (US $)
----------  ---------  ---------  -----  -----  --------  -------   -------
PIC17C42    2048       256        33     25     4.5-5.5     6       15,15
PIC17C44    8192       480        33     25


Notes:

1.  Program memory is EPROM unless otherwise noted.
2.  Data memory is number of usable bytes, not including special function
   registers.
3.  Digikey prices are quantity 10 prices for 4 MHz DIP packaged OTP parts
   with RC oscillator option (where applicable), except that the 16C84 uses
   EE PROM program memory, and the slowest speed 17C42 is rated at 16 MHz.
   Prices are from Digikey catalogue number 943 for May/June 1994.
   Other distributors often have lower prices, but typically also have
   high minimum order requirements.  Digikey also usually has plenty of
   parts in stock.  Windowed EPROM parts cost substantially more.

-----------------------------------------------------------------------------




2.3)
Notes for programmers:

All PIC instructions are a single word.  The equivalent of the immediate
address mode of other processors is the literal mode, used by instructions
ending in "LW", such as MOVLW, ADDLW, SUBLW, ANDLW, IORLW, XORLW, and RETLW.
The byte of data used by these instructions is directly encoded in the
instruction itself.

All PIC instructions take a single instruction cycle (four oscillator cycles)
to execute, unless a conditional test is TRUE or the program counter is changed
as a result of an instruction, in this case the execution takes two instruction
cycles.  For example:

       movlw   37
       goto    next
next:   movwf   porta

The goto instruction takes two cycles (1 to get the value of label "next" and 1
to load that value into the program counter) This is useful as a two-cycle NOP,
and is often written as "goto .+1" to avoid the need for a label.

The W register is equivalent to the accumulator on other processors.  Almost
all data movement, arithmetic, and logic operations use W.

Instructions that operate on W and a register (i.e., instructions ending in
"WF", like ADDWF and MOVWF) allow the result to be placed in either W or the
register (but not both).  This is specified by a ",W" or ",F" after the
operand.  The default is ",F", which will place the result in the register.
This can cause a lot of confusion if you're not careful, so I recommend
always specifying the destination explicitly.  An example of a confusing
instruction:

       incf    foo,w   ; w := foo+1  note that foo is unchanged!

If you want the result in both W and the register, you can use either:

       incf    foo,w
       mowwf   foo

or:

       incf    foo,f
       movf    foo,w

The stack is not accessible to the programmer in any way other than the
call and return instructions.  There is no way to push or pull data, or even
to examine the stack pointer.  On the 16C5x family the stack has only two
levels, so it is frequently necessary to write code in a different style than
would be used on a typical processor; you can only call subroutines from your
main code, or from a subroutine called from main, but no deeper. If you try
to make a 3rd CALL, the 2nd return address is over-written so that the return
from the 3rd CALL is OK but the return from the 2nd CALL ends up where the
1st CALL should return to.

The 16CXX parts which implement an 8 level stack do so in a circular fashion,
so that the 9th CALL over-writes the return address for the 1st CALL.

The 16C5x family doesn't have a normal return instruction; instead it has
RETLW, which stands for RETurn Literal Word.  RETLW loads an eight bit
constant into W (just as a MOVLW instruction would), then returns from the
subroutine.  This can be useful, but is aggravating if you want to return a
computed value.  On the newer PIC families there is a normal RETURN
instruction.

With the exception of the 17Cxx family, there is no way for software to read
an arbitrary location of program memory.  In order to implement lookup tables,
it is necessary to combine the use of the ADDWF and RETLW instructions.  For
example, the following code implements a lookup table of the first four odd
prime numbers:

primes: addwf   pcl
       retlw   3
       retlw   5
       retlw   7
       retlw   11

To use the table, load the appropriate index (in this case, 0 to 3) into W,
and "call primes".  The addwf instruction adds the contents of W to the PC,
which has already been incremented to point to the "retlw 3".  The table will
return with the value in W.  The total time taken is 6 instruction cycles, or
24 oscillator cycles.

Note that while on most processors the use of an out-of-range index will
result in the use of incorrect data, but the program execution will continue
normally, on the PIC a bad index value will cause the execution of arbitrary
instructions!

i.e. the computed address must be in the top 1/2 of page.

Normally the index would range from 0 to the size of the table minus one,
but it is possible to use other ranges by putting the retlw instructions
somewhere other than immediately following the "addwf pcl".  It is also
possible to implement tables using a "subwf pcl", or perhaps other
instructions with pcl as the destination.

The subtract instructions (SUBWF and SUBLW) work differently than most people
expect.  SUBWF subtracts W *from* the contents of the register, and SUBLW
subtracts W *from* the literal.  (SUBLW is not available on the 16C5x family.)

If you want to subtract a literal from W, it is easiest to use the ADDLW
instruction with the two 's complement of the literal.  For example:

       addlw   0feh    ; w := w - 2

Some assemblers allow this to be written as:

       addlw   -2

There is no instruction to take the two 's complement of W (like the NEG
instruction on Motorola processors), but because of the way the subtract
instructions work you can use:

       sublw   0

On the 16C5x family, the CALL instruction can only address the first 256 words
of a bank of program memory.  It is common practice to use "call extenders",
which are simply GOTO instructions in the first 256 words with a target in
the last 256 words.

On the 16C57 and 16C58, if you plan to use indirect addressing (via the FSR
and IND registers), it is vitally important that your reset code clear FSR
before using any other RAM locations.  Otherwise you may start up in an
arbitrary bank, and as soon as you change FSR all your carefully set up
variables will effectively disappear.

-----------------------------------------------------------------------------
2.4)  PIC contacts and representatives

I don't know where these are for sure.

       Advanced Trans Data                             Tel:(214) 980- 2960
       Programmer      PGM16 & PGM 16x8 Gang Prog.     fax:(214) 980-2937
       No further information is available at this time

       Micro Engineering Labs                          tel:(719) 520-5323
       makes PIC-Proto boards

       Myriad Development                              tel:(303) 692-3836
       CCS - C compiler
       tel: (414) 781-2794 extension 30

       Digi-Key                                        tel:1-800-344-4539
       Order electronic parts, carry 16C54,55,56,57,&71.

       ED Teck. Pubs                                   tel:407-454-9905
       Fred Eady                                       BBS:407-454-3198
       Writes articles for popular magazines.
       Has a PIC programmer kit for $70.
       BBS good source of information, very helpful.

       FAI                                             tel:1-800-303-5701
       Ask for Chris
       Electronics distributor, carry PIC's,

       Needham Electronics                             tel:(916) 924-8037
        I don't know if they make PIC stuff,           fax:(916) 972-9960
       but they make an EPROM programmer, the PB-10    bbs:(916) 972-8042

       Their emp-20 is great for Pics,Pals,Gala,EEproms etc but is ~$500
       It can be set to auto program on start up. It takes about 4 seconds
       for a bat file to reassemble the source with new EQU's from the
       command line, recompile and program a part.

       Protel                                          tel:1-800-544-4186
       Builder of EASYTRAX, which is free-ware and a bunch of new stuff.
       Call Ext 225 ask for Louise Markham.            bbs:1-408-243-0125


       Bell Industries                                 tel:1-800-525-6666
       Electronic Distributor, including PIC's
.........................................................................

Australia
       Microchip Technology                    tel:61 03 890 0970

       Product information
       No further information is available at this time

.........................................................................

Canada
AP Circuits
       BBS 1-403-291-9342 (Canada)
       Can download EASYTRAX(V2.06), various utilities, GERBER file
       proofers, etc. You can upload PCB files and they will make
       boards and ship to you in about week. (about $100)

       Baradine Products Ltd                   tel:604-988-9853
       Programmer      Micro-Burner
       No further information is available at this time

.........................................................................
Europe
       Data I/O Corp.                          tel:31(0)-6622866
       Programmer      Unisite with Site-48 module
       No further information is available at this time

.........................................................................
France
       Arizona Microchip Technology SARL       tel:33 01 6930 9090
       2, Rue Du Buisson aux Fraises           fax:33 01 6930 9079
       F-91300 Massy, France
       Product information

.........................................................................
Germany
       Arizona Microchip Technology GMBH       tel:49 089 609 6072
       Alte Landstrasse 12-14                  fax:49 089 609 1997
       D-8012 Ottobrunn, Germany
       Product information

       SMS                                     tel:49-7522-4460
       Programmer      Sprint Expert
       No further information is available at this time

.........................................................................
Hong Kong
       Microchip Technology Inc.               tel:852 410 2716
       Unit No. 2520-2525                      fax: 852 418 1600
       Tower 1, Metroplaza
       Hing Fong Road, Kwai Fong
       N.T., Hong Kong
       Product information

.........................................................................
Italy
       Microchip Technology                    tel:39 039 689 9939
       Product information
       No further information is available at this time

.........................................................................
Japan
       Data I/O Corp.                          tel:(03)  432- 6991
       Programmer      Unisite with Site-48 module
       No further information is available at this time

       Microchip Technology International Inc. tel:81 45/471-6166
       Shinyokohama Gotoh Bldg. 8F, 3-22-4     fax: 81 45/471-6122
       Shinyokohama, Kohoku-Ku, Yokohama-Shi
       Kanagawa 222 Japan
       Product information

.........................................................................
Korea
       Microchip Technology                    tel:82 2 518 8181
       Product information
       No further information is available at this time

.........................................................................
Singapore
       Microchip Technology                    tel:65 222 4962
       Product information
       No further information is available at this time

.........................................................................

1994\11\08@224140 by tom

flavicon
picon face
Taiwan
       HI-LO                                   tel:(02) 7640215
       Programmer      ALL-03
       No further information is available at this time

       Microchip Technology                    tel:886 2 760 2028
       Product information
       No further information is available at this time

.........................................................................
U.K.
       Arizona Microchip Technology Ltd        tel:44 062-885-1077
       Unit 3, Meadow Bank, Furlong Rd         fax: 44 062-885-0178
       Bourne End, Bucks SL8 5AJ
       Product information

       Application Solutions Ltd               tel:273-476608
       Programmer      PIC Programmer
       No further information is available at this time

       Citadel Products Ltd.                   tel:44-819-511-848
       Programmer      PC-82
       No further information is available at this time

       Maple Technology Ltd                    tel:44-666-825-146
       Programmer      MQP-200
       No further information is available at this time

       Polar Electronics Ltd.,                 Tel. 0525 377093
       Cherrycourt Way,                        Fax  0525 853070
       Leighton Buzzard,
       Bedfordshire    LU7 8YY
       Microchip 's 'Official' UK Distributors
       Contact for details of the PIC Owners Club

       Eiger Technologies Ltd.,                Tel. 0928 579009
       14 Howard Court,                        Fax  0928 579123
       Manor Park,
       Runcorn,
       Cheshire, WA7 1SJ
       Microchips 'Official' UK Distributors

       Hawke Components Ltd.,                  Tel. 0256 880800
       26 Campbell Court,                      Fax  0256 880325
       Bramley,
       Nr Basingstoke,
       Hants RG26 5EG
       Microchips 'Official' UK Distributors

       Stag Microsystems                       tel:44-707-332-148
       Programmer      PP39
       No further information is available at this time

.........................................................................
U.S.
       ADVIN Systems Inc                       tel:408-984-8600
       Programmer      PILOT U40
       No further information is available at this time

       BP Microsystems                         tel:800-225-2102
       Programmer      CP-1128                 tel:713-461-4958
       No further information is available at this time

       Data I/O Corp.                          tel:800-288-4965
       Programmer      Unisite with Site-48 module
       No further information is available at this time

       Elan Digital Systems Ltd                tel:(408) 946-3864
       Programmer      EF-PER 5000 Series Gang Programmer
       No further information is available at this time

       Link Computer Graphics                  tel:301-994-6669
       Programmer      CLK-3100
       No further information is available at this time

       Logical Devices Inc                     tel:800-331-7766
       Programmer      ALLPRO 88               tel:305-974-0967
       No further information is available at this time

       Micro Engineering Labs                  tel:719-520-5323
       Box 7532 Colorado Springs, CO 80933
       Has proto-type boards and demo kits,
       Good source of info, can do manufacturing, etc

       Microchip Technology Inc.               tel:(602) 786-7200
       2355 West Chandler Blvd.                fax: (602) 899-9210
       Chandler, AZ 85224-6199
       Product information

       Parallax Inc.
       3805 Atherton Road, Ste. 102            fax: (916) 624-8003
       Rocklin, CA 95765 USA                   bbs: (916) 624-7101
       Assembler / Simulator                   Help 916-624-8333

       The assembler takes either the standard instructions
       or parallax's 8051-like pseudo instructions
       If you call the BBS you can order info by mail.


=============================================================================


3)  PIC Utilities


       PICSTART-16B-1

Features
       Supports only 16C5x,16C71 and 16C84,(INHX16, INHX8S, INHX8M, PICICE)
       compatible with a wide range of file formats
       comes with chips to play with.
       has a zif socket
       assembler has powerful macro capabilities
       also includes a powerful debugger


       PICSTART-16C

Features
       To be announced

-------------------------------------------------------------------------------

       PARALLAX
       --------
Features
       Parallax's own instruction set  Their assembler takes either the
       standard instructions or parallax 's 8051-like pseudo instructions.
       needs only a 360k floppy, MS DOS 2.1, 128K RAM, mono.
       simulator software

-----------------------------------------------------------------------------

3.1)  FTP sites for the PIC

       FTP  SITE               Directory

       ftp.sics.se     /pub/mchipsoft/

The files here are publicly available from the Microchip BBS via
Compuserve. Since many people interested in these files have an
internet connection, the files have also graciously been made
available at SICS by Anders Nobinder of Memec Scandinavia,
Microchip's
Swedish agent.

       ftp.funet.fi (nic.funet.fi)      /pub/microprocs/PIC

       wpi.wpi.edu     /stamp

       ftp.luth.se           /pub/misc/microchip

       ftp.oak.oakland.edu

       ftp.uni-erlangen.de,
       directory
       [ /mounts/epix/public/pub/Multimedia/VideoCrypt
       /microcontroller/microchip.bbs ]

       Markus Kuhn <EraseMEmskuhnspam_OUTspamTakeThisOuTcip.informatik.uni-erlangen.de>

-----------------------------------------------------------------------------

3.2)  BBSs that support the PIC

       Microchip BBS
               Contact by dialling the same number you would use to get to
       Compuserve at 19200,n,8,1, except that you press +<CR> at the
       (garbage)
       prompt, followed by MCHIPBBS as the host (instead of CIS).


       Don Lekei BBS
                (Canada) (604) 597-3479

-----------------------------------------------------------------------------

3.3)  PIC programming languages (3rd Party)

Host m/c                PC

Prog. Name      ASPIC   Shareware PIC assembler  (reg = $100 CDN ($69 US))
               **DESIGNED** for embedded controller design
               the shareware license has an unusual clause absolving
               those who only use it for non-commercial purposes

Supplier/Author Don Lekei  < 72677.2623spamspam_OUTcompuserve.com >
               BBS at (Canada) (604) 597-3479

Features        - One assembler for 16c5X, 16c6X, 16c7X, 16c8X, 17c42
               - Compatible with PICSIM (MPSIM)
               - Compatible with MAKE, and with auto-error tracking editors
               - Many times faster than PICALC (MPALC)
               - Standard base notation (Intel & Motorola format)
               - CODE and FUNCTION macros
               - Auto register bank management
               - Text/data translation
               - Automatically generates RETLW tables for text / data tables
               - Built-in version management and assembly control functions
               - user command-line switches
               - many other features
               -character set translation (eg. for LED,LCD,On Screen Displays)
               - bit labels, environment labels, etc.

-------------------------------------------------------------------------------

Host m/c        PC i386 /MS DOS/SunOS 4.1.1/NeXTSTEP 3.0.

Prog Name       B.LO.C release 1.0, version 4.0
               Available for the PIC16CXX and PIC17CXX
Supplier        Butterfly Signal Processing Inc.
               131 Bloor Street West #200-154
               Toronto, Ontario, Canada M5S 1R8
               Tel: (416) 929-5754
               Fax: (416) 929-5744
Features        `C-like' syntax
               Locally optimal code generation
               Superfast, one-pass compilation
               Zero stack and memory space used
               Produces fully annotated, easy-to-read -
                  - assembly code to facilitate simulation
               Regular and in-line functions supported
               B.LO.C and assembly routines can be mixed
               In-line assembly code inclusion
               For more information contact
               @spam@asmKILLspamspamkalam.butterfly.com

-------------------------------------------------------------------------------

Host m/c                Macintosh

Prog. Name      uASM

Supplier                Micro Dialects Inc,
               PO Box 190,
               Loveland, OH 45140,
               Ph: 513/271-9100.

Features:               An integrated text editor, assembler
               and communications modules. fully supports macros,
               automatic labels, local labels, conditionally assembly,
               includes to 10 level deep.
               The editor supports up to 10 open files at a time, full
               search and replace including grep searches,
               file size limited only by RAM available.
               The emulator supports data transfer up to 38,400 baud.

NOTE:           The uASM code is incompatible with the MicroChip Simulator
               <unless you know better ? >


-------------------------------------------------------------------------------

Host m/c                PC ?

               C5x compiler C5x series
               C71 compiler

Supplier                CCS
               PO Box 11191
               Milwaukee, WI  53211
               phone # : 414-781-2794  ext.30
               (you leave your message on an answering machine)

Features                -libraries for RS232 serial I/O and precision delays
               -allow call trees deeper than the hardware stack


Byte Craft Limited supply a C compiler for the PICs. A demo version for
the 17C42 is available ( assembly file generation only ). I was quoted a
price of 695 pounds Sterling, 660 pounds for members of the PIC owners club.

Contact:        Byte Craft Ltd.,        Tel. (519) 888 6911
               421 King Street North,  Fax (519) 746 6751
               Waterloo,
               Ontario,
               Canada N2J 4E4

In UK           Pentica Systems Ltd.,   Tel. (44) 0734 792101
               Oaklands Park,          Fax  (44) 0734 774081
               Wokingham,
               Berkshire RG11 2FE
               England

-----------------------------------------------------------------------------

3.4)  PIC Programming Hardware (3rd Party)

Product         programmer
Model           Microburner 512
Supplier        Beradine Products Ltd,
               PO Box 86757,
               North Vancouver,
               BC CANADA V7L4L3,
               Ph: 604/988-9853.

Contact         Gary Anderson

Features        RS-232 terminal serial port compatible programmer
               Supports communications up to 38,400 baud,
               stand-alone or host operation,

SMART Communications supply emulators from 350 pounds Sterling and
programmers from 200 pounds Sterling. Contact:

               SMART Communications,
               2 Field End,
               Arkley,
               Barnet,
               Herts EN5 3EZ
               England
               Tel. +44 (0)81 441 3890
               Fax  +44 (0)81 441 1843

PIC16C84 Programmer using PC parallel port.
               Schematic, C and QBasic
               source available from:

       Microchip BBS:
               In 3rd party library as PIC84PGM.ZIP
       ftp://bode.ee.ualberta.ca
               /pub/cookbook/comp/ibm/pic84pgm.zip
       ftp://ftp.luth.se
               /pub/misc/microchip/16c84/pic84pgm.zip

       Contact: KILLspamdavid.taitKILLspamspamman.ac.uk Author/Designer

=============================================================================


4)  PIC DOCUMENTATION


4.1) Periodicals that may cover the PIC.

   The Computer Applications Journal (Circuit Cellar Ink)
       - programming and construction articles
       - POB 7694, Riverton, NJ  08077-8784
       - FAX: (203)872-2204
       - Voice orders: (609) 786-0409
       - On-line orders (BBS): (203) 871-1988
       - Email orders: RemoveMEken.davidsonTakeThisOuTspamcircellar.com
       - $21.95, $31.95 surface Canada and Mexico,
         $49.95 air all other countries

   Computer Design
        industry announcements and trends
       One Technology Park Drive,
       P.O. Box 990, Westford, MA  01886
        (508)692-0700

   The Computer Journal
       - programming and construction articles
       - PO Box 535, Lincoln  96648

   Dr. Dobbs Journal
       - programming articles, concepts and designs
       - 411 Borel Ave., San Mateo, CA  94402
       - (415)358-9500

   Electronic Engineering Times
       - industry announcements and trends
       - 500-B Bi-County Boulevard, Farmingdale, NY  11735
       - (516)293-3000

   Electronics Now
       - construction articles
       - Box 55115, Boulder, CO  80321-5115
       - $19.97 one year

   Elektor Electronics
       - programming and construction articles
       - World Wide Subscription Service Ltd
         Unit 4, Gibbs Reed Farm, Pashley Road
         Ticehurst TN5 7HE, England
       - 27 UK pounds
    or
       - Old Colony Sound Lab,
       - P.O. Box 243, Peterborough, NH 03458
       - Tel. (603) 924-6371, 924-6526
       - Fax: (603) 924-9467
       - $57 USA and Canada per year

   Embedded Systems Programming
       - programming and systems design articles
       - Miller Freeman Publications
       - 500 Howard St., San Francisco, CA  94105
       - (415) 397-1881

   Microcomputer Journal (formerly Computer Craft)
       - programming and constructions articles
       - 76 N. Broadway, Hicksville, NY  11801
       - $18.95 one year, foreign $23.00, foreign air mail $76.00

   Midnight Engineering
       - 1700 Washington Ave., Rocky Road, CO  81067
       - (719)254-4553

=============================================================================

4.2)  Books on the PIC

       A Beginners Guide to the Microchip PIC     Nigel Gardner
       ISBN: 1 899013 00 8     Printed in the UK by Character Press Ltd.
       Software (on floppy) and hardware guide.  Debugging techniques...
       Available from Polar Electronics in UK  19.95 UK Pounds


=============================================================================

4.3)  Miscellaneous documentation on the PIC

MicroChip Technology Incorporated
- application notes



ED Teck. Pubs
Fred Eady
407-454-9905
BBS 407-454-3198
Writes articles for popular magazines.  Has a PIC programmer kit for $70.
BBS available, good source of information, very helpful.

Parallax
Stamps and programmer, etc.
BBS 916-624-7101
Help 916-624-8333

AP Circuits
BBS 1-403-291-9342 (Canada)
Can download EASYTRAX(V2.06), various utilities, GERBER file proofers, etc.

=============================================================================


5)  What's next.

   I'm working on it...... Suggestions welcome.


   I would like to thank the following individuals who have
contributed to this accumulation.

       Jory Bell                       <spamBeGonejoryspamBeGonespammit.edu>
       Don Lekei                       <TakeThisOuT72677.2623EraseMEspamspam_OUTcompuserve.com>
       Eric Smith                      <RemoveMEericspamTakeThisOuTapache.telebit.com>
       Jeff Dague                      <jpdagueEraseMEspam.....iastate.edu>
       Steven M. Davidson              <EraseMEdavidsonspamits.bldrdoc.gov>
       Ian King                        <RemoveMEiekEraseMEspamEraseMEarrc.salf.ac.uk>
       kalam ?                         <RemoveMEasmspam_OUTspamKILLspamkalam.butterfly.com>
       David B. Thomas                 <RemoveMEdavidsonTakeThisOuTspamspamits.bldrdoc.gov>
       Martin Vuille                   <EraseMEmartin.vuillespamspamspamBeGonesynapse.org>
       Alasdair MacLean                <RemoveMEalasdairKILLspamspamaifh.ed.ac.uk>

NOTE: .......If your name should be here, apologies. Let me know !

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Disclaimer: Inclusion of any code samples in this document does NOT imply any
approval or guarantee as to the suitability of said samples for any purpose
whatsoever other than as a self-training aid.  I.E. If it blows your ICE,
trashes your hard disc, wipes your backup, burns your building down or just
plain don't work, #### IT AIN'T MY FAULT #### In the event of judicial ruling
to the contrary, any liability shall be limited to the sum charged on you by
me for the aforementioned document OR nothing, whichever is the lower.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       Copyright (c) 1994 by T.A.Kellett, all rights reserved.
_______________________________________________________________________________
Tom Kellett                                     < TomSTOPspamspamspam_OUTtakdsign.demon.co.uk >
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

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