Questions and Answers
What is the function of the registers R26:R31?
They are 16-bit address pointers for indirect addressing of the Data Space.
What are the X-, Y-, and Z-pointer registers used for?
They can be set to index any register in the file.
The registers R26:R31 are used for direct addressing of the Data Space.
False
Study Notes
8-bit Microcontroller Overview
- X-, Y-, and Z-pointer Registers facilitate indirect addressing, allowing access to any register in the file.
- Registers R26 to R31 serve dual purposes; they function as both general-purpose registers and specialized address pointers.
- R26:R31 are 16-bit registers used specifically for indirect addressing in the Data Space.
- Indirect addressing enables single-byte read and write operations, enhancing flexibility in data management within the microcontroller.
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Description
This quiz covers the key functions of 8-bit microcontrollers, focusing on the use of X, Y, and Z-pointer registers for indexing. It also discusses the additional functionalities of registers R26 to R31 in indirect addressing of the Data Space. Test your knowledge on these fundamental concepts!
