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PICList Thread
'[PIC]: Fuses in CCS'
2000\07\07@153422 by Edson Brusque

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Hello,

   I'm using PIC16F873 with MPLAB and CCS, and I can't control the
enable/disable "Code Protect *1*" and "Data Protect". In the CCS
documentation, it only related keyword is *NOPROTECT*, with enable disables
"Code Protect *0*".

   Someone knows how I can enable/disable the other *protect* bits?

   Thanks,

   Brusque

-----------------------------------
Edson Brusque
Research and Development
C.I.Tronics Lighting Designers Ltda
(47) 323-2685  /  (47) 9993-6453
Blumenau  -  SC  -  Brazil
-----------------------------------

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2000\07\07@160115 by David Kott

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> Hello,
>
>     I'm using PIC16F873 with MPLAB and CCS, and I can't control the
> enable/disable "Code Protect *1*" and "Data Protect". In the CCS
> documentation, it only related keyword is *NOPROTECT*, with enable
disables
{Quote hidden}

Copied from the output of "picchips pic16f873"

         Fuses: LP : 0003/0000    XT : 0003/0001
                HS : 0003/0002    RC : 0003/0003
                NOWDT : 0004/0000    WDT : 0004/0004
                NOPUT : 0008/0008    PUT : 0008/0000
                PROTECT : 3030/0000    PROTECT_5% : 3030/2020
                PROTECT_50% : 3030/1010    NOPROTECT : 3030/3030
                BROWNOUT : 0040/0040    NOBROWNOUT : 0040/0000
                LVP : 0080/0080    NOLVP : 0080/0000
                CPD : 0100/0000    NOCPD : 0100/0100
                WRT : 0200/0200    NOWRT : 0200/0000

Note the PROTECT_5%, PROTECT_50% you may not have been aware of.

Perhaps one of these sets the bits you need?

-d

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2000\07\07@161534 by Edson Brusque

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Hello
David,

>                  PROTECT : 3030/0000    PROTECT_5% : 3030/2020
>                  PROTECT_50% : 3030/1010    NOPROTECT : 3030/3030
> Note the PROTECT_5%, PROTECT_50% you may not have been aware of.

   NOPROTECT:   CP0=OFF CP1=OFF
   PROTECT_5%:  CP0=ON  CP1=OFF
   PROTECT_50%: CP0=OFF CP1=ON
   PROTECT:     CP0=ON  CP1=ON

   YES! It's this. Thank you VERY much!

   Best regards,

   Brusque

-----------------------------------
Edson Brusque
Research and Development
C.I.Tronics Lighting Designers Ltda
(47) 323-2685  /  (47) 9993-6453
Blumenau  -  SC  -  Brazil
-----------------------------------

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.

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