PIC18F45J50-I/SOSQTP データシートの表示（PDF） - Microchip Technology

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PIC18F45J50-I/SOSQTP

28/44-Pin, Low-Power, High-Performance USB Microcontrollers with nanoWatt XLP Technology

Microchip Technology 

PIC18F46J50 FAMILY

28.2.5

SPECIAL CONSIDERATIONS WITH

MICROCHIP MPLAB® IDE TOOLS

The latest versions of Microchip’s software tools have

been designed to fully support the extended instruction

set for the PIC18F46J50 family. This includes the

MPLAB C18 C Compiler, MPASM assembly language

and MPLAB Integrated Development Environment

(IDE).

When selecting a target device for software

development, MPLAB IDE will automatically set default

Configuration bits for that device. The default setting for

the XINST Configuration bit is ‘1’, enabling the

extended instruction set and Indexed Literal Offset

Addressing. For proper execution of applications

developed to take advantage of the extended

instruction set, XINST must be set during

programming.

To develop software for the extended instruction set,

the user must enable support for the instructions and

the Indexed Addressing mode in their language tool(s).

Depending on the environment being used, this may be

done in several ways:

• A menu option or dialog box within the environ-

ment that allows the user to configure the

language tool and its settings for the project

• A command line option

• A directive in the source code

These options vary between different compilers,

assemblers and development environments. Users are

encouraged to review the documentation accompany-

ing their development systems for the appropriate

information.

DS39931D-page 484

 2011 Microchip Technology Inc.

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