Renesas TM V.3.20A Especificaciones descargar pdf (Pagina 524)

Renesas Technology, Tools FAQs

Last Updated: July 5, 2001

Document Number: 01062002_e

When programming a register access (write, read) to the interrupt control register in C language, NC79WA compiler generates

codes based on the AND instruction. Yet the MCU manual indicates that the interrupt control register should be accessed with STA

or MOV instructions. Can I have NC79WA generate STA and MOV instructions for this access?

The SFR area registers include some interrupt registers that must be accessed using specific assembler instructions. When you need

to access the interrupt register with the STA or MOV instruction, use the asm function in your C program, which will allow you to

describe the register access with either instruction.

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Renesas TM V.3.20A Especificaciones Pagina 524