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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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M68HC08 датащи(PDF) 39 Page - Freescale Semiconductor, Inc |
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M68HC08 датащи(HTML) 39 Page - Freescale Semiconductor, Inc |
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39 / 188 page  Memory FLASH 2TS Memory MC68HC908RF2 — Rev. 4.0 Data Sheet MOTOROLA Memory 39 The row whose cycling bit is different will be erased and the entire row will be programmed with the given data, including a toggled version of the cycling bit. 2.5.8.5 Example Routine Calls This code is for illustrative purposes only and does not represent valid syntax for any particular assembler. RAM EQU $80 RDVRRNG EQU $F000 PRGRNGE EQU $F003 ERANRGE EQU $F006 REDPROG EQU $F009 ;************************************************************* RAM Definitions for Subroutines ;************************************************************** ORG RAM+8 CTRLBYT RMB 1 CPUSPD RMB 1 LADDR RMB 2 BUMPS RMB 1 DERASE RMB 2 ;Allocation of “DATA” space is dependent on the device and ;application DATA RMB 8 ;************************************************************* ; CALLING EXAMPLE FOR READ/VERIFY A RANGE (RDVRRNG) ;************************************************************** LDA #$FF ;TARGET IS RAM LDHX #$7807 ;END AFTER FIRST ROW STHX LADDR LDHX #$7800 ;START AT FIRST ROW JSR RDVRRNG ;DATA WILL CONTAIN FLASH INFO ;*************************************************************; CALLING EXAMPLE FOR ERASE A RANGE (RNGEERA) ;************************************************************** MOV #$08,CPUSPD ;Load Bus frequency in MHz * 4 MOV #$60,CTRLBYT ;Bits 5&6 hold the block size to erase ;00 Full Array ;20 One-Half Array ;40 Eight Rows ;60 Singe Row ;Remember a Row is 1 byte ;Set erase time in uS/24, number in ;decimal LDHX #100000/24 STHX DERASE Freescale Semiconductor, Inc. For More Information On This Product, Go to: www.freescale.com |
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