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AN247 Datasheet(PDF) 17 Page - Microchip Technology |
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AN247 Datasheet(HTML) 17 Page - Microchip Technology |
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17 / 32 page  2003 Microchip Technology Inc. DS00247A-page 17 AN247 ;* Author Date Comment ;*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ;* Ross Fosler 11/26/02 First full revision ;* ;*****************************************************************************/ ; ***************************************************************************** #include p18cxxx.inc #include canio.def ; ***************************************************************************** ; ***************************************************************************** #ifndef EEADRH #define EEADRH EEADR+1 #endif #define TRUE 1 #define FALSE 0 #define WREG1 PRODH ; Alternate working register #define WREG2 PRODL #define MODE_WRT_UNLCK _bootCtlBits,0 ; Unlock write and erase #define MODE_ERASE_ONLY_bootCtlBits,1 ; Erase without write #define MODE_AUTO_ERASE_bootCtlBits,2 ; Enable auto erase before write #define MODE_AUTO_INC _bootCtlBits,3 ; Enable auto inc the address #define MODE_ACK _bootCtlBits,4 ; Acknowledge mode #define ERR_VERIFY _bootErrStat,0 ; Failed to verify #define CMD_NOP 0x00 #define CMD_RESET 0x01 #define CMD_RST_CHKSM 0x02 #define CMD_CHK_RUN 0x03 ; ***************************************************************************** ; ***************************************************************************** _MEM_IO_DATA UDATA_ACS 0x00 ; ***************************************************************************** _bootCtlMem _bootAddrL RES 1 ; Address info _bootAddrH RES 1 _bootAddrU RES 1 _unused0 RES 1 ; (Reserved) _bootCtlBits RES 1 ; Boot Mode Control bits _bootSpcCmd RES 1 ; Special boot commands _bootChkL RES 1 ; Special boot command data _bootChkH RES 1 _bootCount RES 1 _bootChksmL RES 1 ; 16 bit checksum _bootChksmH RES 1 _bootErrStat RES 1 ; Error Status flags ; ***************************************************************************** |
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