May 2024
Intermediate to advanced
534 pages
17h 58m
English
book
8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
by Subrata Ghoshal
Content preview from 8051 Microcontroller, Internals, Instructions, Programming and Interfacing, 2nd Edition
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ADDRESSING MODES AND DATA MOVE OPERATIONS
Data transfer type instructions deal with byte variables or constants, and their communication from one
location to another within 8051 or from external program memory (like MOVC) or to/from external data mem-
ory (like MOVX). Only in case of XCHD instruction, it deals with digit variables that are four bits or a nibble.
Arithmetic operations include addition, subtraction, multiplication and division instructions using 8-bit
integers. It also includes increment by one and decrement by one instruction and a special instruction,
Decimal Adjust Accumulator (DA A), to deal with binary-coded decimal (BCD) ...
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