When the gcp bit is set the source data for device

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A Guide to Computer User Support for Help Desk and Support Specialists
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Chapter 9 / Exercise 4
A Guide to Computer User Support for Help Desk and Support Specialists
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When the GCP bit is set, the source data for device configuration is also protected as a consequence. 24.6 In-Circuit Serial Programming PIC24FJ64GA004 family microcontrollers can be seri- ally programmed while in the end application circuit. This is simply done with two lines for clock (PGCx) and data (PGDx), and three other lines for power, ground and the programming voltage. This allows customers to manufacture boards with unprogrammed devices and then program the microcontroller just before shipping the product. This also allows the most recent firmware or a custom firmware to be programmed. 24.7 In-Circuit Debugger When MPLAB ® ICD 2 is selected as a debugger, the in-circuit debugging functionality is enabled. This func- tion allows simple debugging functions when used with MPLAB IDE. Debugging functionality is controlled through the EMUCx (Emulation/Debug Clock) and EMUDx (Emulation/Debug Data) pins. To use the in-circuit debugger function of the device, the design must implement ICSP connections to MCLR , V DD , V SS , PGCx, PGDx and the EMUDx/EMUCx pin pair. In addition, when the feature is enabled, some of the resources are not available for general use. These resources include the first 80 bytes of data RAM and two I/O pins.
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A Guide to Computer User Support for Help Desk and Support Specialists
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Chapter 9 / Exercise 4
A Guide to Computer User Support for Help Desk and Support Specialists
Beisse
Expert Verified
2010-2013 Microchip Technology Inc. DS39881E-page 219 PIC24FJ64GA004 FAMILY 25.0 DEVELOPMENT SUPPORT The PIC ® microcontrollers (MCU) and dsPIC ® digital signal controllers (DSC) are supported with a full range of software and hardware development tools: Integrated Development Environment - MPLAB ® X IDE Software • Compilers/Assemblers/Linkers - MPLAB XC Compiler - MPASM TM Assembler - MPLINK TM Object Linker/ MPLIB TM Object Librarian - MPLAB Assembler/Linker/Librarian for Various Device Families • Simulators - MPLAB X SIM Software Simulator • Emulators - MPLAB REAL ICE™ In-Circuit Emulator In-Circuit Debuggers/Programmers - MPLAB ICD 3 - PICkit™ 3 Device Programmers - MPLAB PM3 Device Programmer Low-Cost Demonstration/Development Boards, Evaluation Kits and Starter Kits Third-party development tools 25.1 MPLAB X Integrated Development Environment Software The MPLAB X IDE is a single, unified graphical user interface for Microchip and third-party software, and hardware development tool that runs on Windows ® , Linux and Mac OS ® X. Based on the NetBeans IDE, MPLAB X IDE is an entirely new IDE with a host of free software components and plug-ins for high- performance application development and debugging. Moving between tools and upgrading from software simulators to hardware debugging and programming tools is simple with the seamless user interface. With complete project management, visual call graphs, a configurable watch window and a feature-rich editor that includes code completion and context menus, MPLAB X IDE is flexible and friendly enough for new users. With the ability to support multiple tools on multiple projects with simultaneous debugging, MPLAB X IDE is also suitable for the needs of experienced users.

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