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PIC18F23K22 Datasheet(PDF) 18 Page - Microchip Technology

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

PIC18F23K22 Datasheet(HTML) 18 Page - Microchip Technology

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PIC18(L)F2XK22/4XK22
DS41398B-page 18
Advance Information
 2010 Microchip Technology Inc.
FIGURE 3-4:
PROGRAM CODE MEMORY FLOW
FIGURE 3-5:
TABLE WRITE AND START PROGRAMMING INSTRUCTION
TIMING DIAGRAM (1111)
Start Write Sequence
All
locations
done?
No
Done
Start
Yes
Hold PGC Low
for Time P10
Load 2 Bytes
to Write
Buffer at <Addr>
All
bytes
written?
No
Yes
and Hold PGC
High until Done
N = 1
LoopCount = 0
Configure
Device for
Writes
N = 1
LoopCount =
LoopCount + 1
N = N + 1
and Wait P9
12
3
4
1
2
15 16
12
3
4
PGC
P5A
PGD
PGD = Input
n
11
1
1
34
6
5
P9(1)
P10
Programming Time
nn
n
nn
n
n
00
12
0
00
16-bit
Data Payload
0
3
0
P5
4-bit Command
16-bit Data Payload
4-bit Command
Note 1:
Use P9A for User ID and Configuration Word programming.



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