Datasheet

Table Of Contents
2011-2013 Microchip Technology Inc. DS40001609C-page 105
PIC16(L)F1508/9
10.5 Write Verify
It is considered good programming practice to verify that
program memory writes agree with the intended value.
Since program memory is stored as a full page then the
stored program memory contents are compared with
the intended data stored in RAM after the last write is
complete.
FIGURE 10-8: FLASH PROGRAM
MEMORY VERIFY
FLOWCHART
Start
Verify Operation
This routine assumes that the last
rowofdatawrittenwasfroman
image saved on RAM. This image
will be used to verify the data
currently stored in Flash Program
Memory
Fail
Verify Operation
Last word ?
PMDAT =
RAM image ?
Read Operation
(See Note 1)
End
Verify Operation
No
No
Yes
Yes
Rev. 10-000051A
7/30/2013
Note 1: See Figure 10-2.