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PIC18F23K22 Datasheet(PDF) 36 Page - Microchip Technology

Part # PIC18F23K22
Description  Flash Memory Programming Specification
PDF  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F23K22 Datasheet(HTML) 36 Page - Microchip Technology

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PIC18(L)F2XK22/4XK22
DS41398B-page 36
Advance Information
 2010 Microchip Technology Inc.
TABLE 5-4:
CHECKSUM COMPUTATION
Device
Code-
Protect
Checksum
Blank
Value
0xAA at 0
and Max
Address
PIC18FX3K22
PIC18LFX3K22
None
SUM[0000:01FF]+SUM[0200:0FFF]+SUM[1000:1FFF]+
(CONFIG1L & 00h)+
(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+(CONFIG2H & 3Fh)+
(CONFIG3L & 00h)+(CONFIG3H & BFh)+(CONFIG4L & C5h)+
(CONFIG4H & 00h)+(CONFIG5L & 03h)+(CONFIG5H & C0h)+
(CONFIG6L & 03h)+(CONFIG6H & E0h)+(CONFIG7L & 03h)+
(CONFIG7H & 40h)
E3B0
E306
Boot
Block
SUM[0200:0FFF]+SUM[1000:1FFF]+
(CONFIG1L & 00h)+(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+
(CONFIG2H & 3Fh)+(CONFIG3L & 00h)+(CONFIG3H & BFh)+
(CONFIG4L & C5h)+(CONFIG4H & 00h)+(CONFIG5L & 03h)+
(CONFIG5H & C0h)+(CONFIG6L & 03h)+(CONFIG6H & E0h)+
(CONFIG7L & 03h)+(CONFIG7H & 40h)+SUM_ID
E58C
E532
Boot/
Block 0
SUM[1000:1FFF]+(CONFIG1L & 00h)+
(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+(CONFIG2H & 3Fh)+
(CONFIG3L & 00h)+(CONFIG3H & BFh)+(CONFIG4L & C5h)+
(CONFIG4H & 00h)+(CONFIG5L & 03h)+(CONFIG5H & C0h)+
(CONFIG6L & 03h)+(CONFIG6H & E0h)+(CONFIG7L & 03h)+
(CONFIG7H & 40h)+SUM_ID
F38B
F331
All
(CONFIG1L & 00h)+(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+
(CONFIG2H & 3Fh)+(CONFIG3L & 00h)+(CONFIG3H & BFh)+
(CONFIG4L & C5h)+(CONFIG4H & 00h)+(CONFIG5L & 03h)+
(CONFIG5H & C0h)+(CONFIG6L & 03h)+(CONFIG6H & E0h)+
(CONFIG7L & 03h)+(CONFIG7H & 40h)+SUM_ID
0389
0384
PIC18FX4K22
PIC18LFX4K22
None
SUM[0000:07FF]+SUM[0800:1FFF]+SUM[2000:3FFF]+
(CONFIG1L & 00h)+
(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+(CONFIG2H & 3Fh)+
(CONFIG3L & 00h)+(CONFIG3H & BFh)+(CONFIG4L & C5h)+
(CONFIG4H & 00h)+(CONFIG5L & 03h)+(CONFIG5H & C0h)+
(CONFIG6L & 03h)+(CONFIG6H & E0h)+(CONFIG7L & 03h)+
(CONFIG7H & 40h)
C3B0
C306
Boot
Block
SUM[0800:1FFF]+SUM[2000:3FFF]+
(CONFIG1L & 00h)+(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+
(CONFIG2H & 3Fh)+(CONFIG3L & 00h)+(CONFIG3H & BFh)+
(CONFIG4L & C5h)+(CONFIG4H & 00h)+(CONFIG5L & 03h)+
(CONFIG5H & C0h)+(CONFIG6L & 03h)+(CONFIG6H & E0h)+
(CONFIG7L & 03h)+(CONFIG7H & 40h)+SUM_ID
CB8A
CB30
Boot/
Block 0
SUM[2000:3FFF]+(CONFIG1L & 00h)+
(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+(CONFIG2H & 3Fh)+
(CONFIG3L & 00h)+(CONFIG3H & BFh)+(CONFIG4L & C5h)+
(CONFIG4H & 00h)+(CONFIG5L & 03h)+(CONFIG5H & C0h)+
(CONFIG6L & 03h)+(CONFIG6H & E0h)+(CONFIG7L & 03h)+
(CONFIG7H & 40h)+SUM_ID
D389
D32F
All
(CONFIG1L & 00h)+(CONFIG1H & FFh)+(CONFIG2L & 1Fh)+
(CONFIG2H & 3Fh)+(CONFIG3L & 00h)+(CONFIG3H & BFh)+
(CONFIG4L & C5h)+(CONFIG4H & 00h)+(CONFIG5L & 03h)+
(CONFIG5H & C0h)+(CONFIG6L & 03h)+(CONFIG6H & E0h)+
(CONFIG7L & 03h)+(CONFIG7H & 40h)+SUM_ID
0387
0382
Legend:
Item
Description
CONFIGx = Configuration Word
SUM[a:b] = Sum of locations, a to b inclusive
SUM_ID = Byte-wise sum of lower four bits of all customer ID locations
+= Addition
&
= Bit-wise AND



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