HOW TO WRITE IN CONSECUTIVE MEMORY LOCATIONS IN PIC18 || REGISTER INDIRECT ADDRESSING MODE || FSR0
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- เผยแพร่เมื่อ 21 ก.ย. 2024
- This video tutorial explains the register indirect addressing mode of pic18f microcontroller in which programmer can increment and decrement the address of file register pointed by register FSR (file select register) . We also provide example in which data is written on five consecutive locations by incrementing the address present in FSR register in pic18f microcontroller using assembly language. This register indirect addressing mode utilized file select register (FSR) and its associated register INDF. File select register holds the address of file register location There are three file select registers namely FSR0, FSR1 & FSR2 and thus their associated register INDF0, INDF1 & INDF2. .FSR0 is composition of two register FSR0L FSR0H since FSR0 is designed to hold the 12-bit address thus upper four most significant bits of FSR0H are always zero. only four least significant bits of FSR0H combined with FSR0L(8-BITS) to store the complete 12-bit address.INDF0 is used like direct addressing mode but it indirectly applies to operation to the location whose address is stored in FSR0.
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Thank you sOo much sir
Most welcome
Sir also. If we want to write these numbers with Keypad.What will be the changings
You need to save these numbers equivalent ASCII in memory location then compare the number entered through port at which keypad is attached. Then you can identify the which number is entered.