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Compare AJMP, SJMP and LJMP instruction of 8051.

written 8.9 years ago by teamques10 ★ 70k

•   modified 5.1 years ago

microcontroller and applications

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written 8.9 years ago by teamques10 ★ 70k

SJMP	LJMP	AJMP
Short jump, relative address is 8 bit it support 127 location forward	Long jump range is 64 kb	Absolute jump to anywhere within 2k block of program memory
It uses 8 bit address.	It uses 16 bit address	It uses an 11 bit address
2 byte instruction.	3 byte instruction	2 byte instruction
Conditional branch instruction can use,relative JMP.	Cannot use long JMP	Cannot the JMP absolute
Address calculation	PC is equal to 11 bit	PC is equal to 16 bit.

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