PIC16F15213 datasheet(118/439 Pages) MICROCHIP

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Table 15-2. NVMREG Access to DIA, DCI, User ID, Device ID, Revision ID and Configuration Words

(NVMREGS = 1)

Address

Function

Read Access

Write Access

0x8000 - 0x8003

User IDs

Yes

0x8005 - 0x8006

Device ID/Revision ID

Yes

0x8007 - 0x800B

Configuration Words 1-5

Yes

0x8100 - 0x82FF

DIA and DCI

Yes

15.1.2.7 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 row then the stored program memory contents are compared with the

intended data stored in RAM after the last write is complete.

Figure 15-7. Program Flash Memory Write Verify Sequence

Filename:

10-000051B.vsd

Title:

FLASH PROGRAM MEMORY VERIFY FLOWCHART

Last Edit:

12/4/2015

First Used:

PIC18(L)F2x/4xK40

Note:

1: Refer to Figure 11-5, Program Flash Memory Read Flowchart

Start

Verify Operation

This routine assumes that the last

row of data written was from an

image saved on RAM. This image

will be used to verify the data

currently stored in PFM

Fail

Verify Operation

Last word ?

NVMDAT =

RAM image ?

Read Operation

(1)

End

Verify Operation

Yes

Rev. 10-000051B

12/4/2015

PIC16F15213/14/23/24/43/44

NVM - Nonvolatile Memory Control

and its subsidiaries

Data Sheet

DS40002195E-page 118

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