PIC16F720_13 Datasheet, PDF (74/254 Pages) Microchip Technology – 20-Pin Flash Microcontrollers

PIC16(L)F720/721
8.2 Code Protection
If the code protection bit(s) have not been
programmed, the on-chip program memory can be
read out using ICSP™ for verification purposes.
Note:
The entire Flash program memory will be
erased when the code protection is turned
off. See the “PIC16(L)F720/721 Memory
Programming Specification” (DS41409)
for more information.
8.3 User ID
Four memory locations (2000h-2003h) are designated
as ID locations where the user can store checksum or
other code identification numbers. These locations are
not accessible during normal execution, but are read-
able and writable during Program/Verify mode. Only
the Least Significant 7 bits of the ID locations are
reported when using MPLAB^® IDE. See the
“PIC16(L)F720/721 Memory Programming Specifica-
tion” (DS41409) for more information.
DS41430D-page 74
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