PIC16CR54C-LP/JW 查看數據表（PDF） - Microchip Technology

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PIC16CR54C-LP/JW

EPROM/ROM-Based 8-bit CMOS Microcontroller Series

Microchip Technology 

PIC16C5X

APPENDIX A: COMPATIBILITY

To convert code written for PIC16CXX to PIC16C5X,

the user should take the following steps:

1. Check any CALL, GOTO or instructions that

modify the PC to determine if any program

memory page select operations (PA2, PA1, PA0

bits) need to be made.

2. Revisit any computed jump operations (write to

PC or add to PC, etc.) to make sure page bits

are set properly under the new scheme.

3. Eliminate any special function register page

switching. Redefine data variables to reallocate

them.

4. Verify all writes to STATUS, OPTION, and FSR

registers since these have changed.

5. Change RESET vector to proper value for

processor used.

6. Remove any use of the ADDLW, RETURN and

SUBLW instructions.

7. Rewrite any code segments that use interrupts.

APPENDIX B: REVISION HISTORY

Revision KE (January 2013)

Added a note to each package outline drawing.

DS30453E-page 182

Preliminary

 1997-2013 Microchip Technology Inc.

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