The Data Pointer (DPTR) is the 8051s only user-accessible 16-bit (2-byte) register. The Accumulator, R0R7 registers and B register are 1-byte value registers. DPTR is meant for …

2023年6月3日 · The Data Pointer (DPTR) is the 8051 only user-accessible 16-bit (2-byte) register. DPTR, as the name suggests, is used to point to data. It is used by a number of commands …

2021年7月8日 · The address is computed as the sum of the 8-bit accumulator and a 16-bit register (PC or DPTR)." The PC is pointing to the current instruction, so a PC-relative address …

Only registers R0, R1 and DPTR can be used as pointer registers. R0 and R1 registers can hold an 8-bit address whereas DPTR can hold a 16-bit address. DPTR is useful in accessing …

DPTR - dual pointer register - is a 16-bit register used as an indirect address (pointer) in MOVX and MOVC instructions (in MOVC the current content of accumulator is added to it to form the …

The Data Pointer (DPTR) is the 8051’s only user-accessible 16-bit (2-byte) register. The Accumulator, "R" registers, and "B" register are all 1-byte values.

What Does DPTR Stand For? Explore its Abbreviation & Full Forms with Meanings and definition.