A51 – Assembler Kit The A51 Assembler Kit for the microcontroller family enables you to write assembler programs for practically any derivatives. This Assembler User’s Guide provides an overview of the Keil A51 and AX51 Assemblers. It contains the following chapters. Introduction provides a brief. The CA51 Compiler Kit for the microcontroller family supports all derivatives including classic devices and IP cores from companies like Analog.

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It translates symbolic assembler language mnemonics into executable machine code. Enter keywords to find the product you are looking for in the Quick Find field above or use Advanced Search. The A51 Assembler allows you to define each instruction in an program and is used where utmost speed, small code size, and exact hardware control is essential.

The A51 assembler translates assembler source files into a relocatable object modules.

D. Assembler Differences

It also allows you to generate different applications from one assembly source file. The linker resolves external and public references and assigns absolute or fixed addresses to relocatable program segments. The assembler area in a bank switching program is an area of memory that can be 3 accessed at all times from all banks.

Please review our Aa51 Policy to learn more about our collection, use and transfers of your data. In addition to object files, the A51 assembler generates list files which may optionally include symbol table and cross reference information. The linker resolves external and public references and assigns absolute addresses to relocatable programs segments. The A51 Wssembler is a macro assembler for the family of microcontrollers. The A51 assembler supports symbolic access to all features of the architecture.


Keil A51 Macro Assembler

List of all our Products. Products Download Events Support Videos. The A51 assembler supports symbolic access axsembler all features of the architecture.

Control Statements permit you to define symbol values, reserve and initialize storage, and control the placement of your code.

A51 Macro Assembler

It translates symbolic assembly language mnemonics into relocatable object code where the utmost speed, small code size, and hardware control are critical. This product was added to our catalog on Tuesday 18 February, Macro Processor discusses how to use the macro expansion capabilities of the assembler.

These directives are useful when using indirectly called functions or when disabling overlaying for debugging.

It generates a listing file optionally with symbol table and cross reference. The Standard Macro Processor is the easier macro processor to use. Initial revision in CHM format. Error messages and warning messages are included in the listing file.

Listing File Following is an example listing file generated by the assembler. This greatly reduces the overall memory requirement of most applications. Functions that are frequently invoked from multiple banks should be located in the common area.

It contains the following chapters. It is an endless.

The A51 Assembler generates assenbler line number, symbol, and type. The A51 Assembler supports two different macro processors:. This site uses cookies to store information on your computer. Writing Assembly Programs describes the components of an assembly program and some aspects of writing assembly programs. W51 review our Privacy Policy to learn more about our collection, use and transfers of your data. Write a review on this product! Since the does not directly support more than 64 Kbytes of code address space, there must be external hardware that swaps code banks.


BL51 produces a MAP file extension. The bank switching process requires approximately 50 CPU cycles and consumes an additional 2 bytes of stack space. It may also assembker frequently used code. Getting Started and Creating Applications When your C program calls a function located in a different bank, it switches the bank, jumps to the desired function, restores the previous bank when the function completesand returns execution to the calling routine.

Conditional assembly of sections of code can help you achieve the most compact code possible. The memory map 3 contains the usage of assemblfr physical memory.

Information about assembler invocation and asssembler object file generated is printed. A51 produces a listing file with line numbers as well as the time and date of the translation. The Appendix provides numerous details about the assembler including instruction set, limitations, reserved words, and predefined symbols.

Aa51 code in the common area is either duplicated in each bank if the entire program area is swapped or can be located in a separate area or EPROM if the common area is not swapped. The standard macro syntax is compatible with that used in many other assemblers. Customers who purchased this product also bought:.