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PIC18F2420-E/P Datasheet(PDF) 397 Page - Microchip Technology

Part # PIC18F2420-E/P
Description  28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology
PDF  412 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

PIC18F2420-E/P Datasheet(HTML) 397 Page - Microchip Technology

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© 2008 Microchip Technology Inc.
DS39631E-page 395
PIC18F2420/2520/4420/4520
APPENDIX A:
REVISION HISTORY
Revision A (June 2004)
Original data sheet for PIC18F2420/2520/4420/4520
devices.
Revision B (January 2007)
This revision includes updates to the packaging
diagrams.
Revision C (June 2007)
This revision includes updates to Section 6.0 “Flash
Program Memory”
, Section 23.0 “Special Features
of the CPU”
, Section 26.0 “Electrical Characteris-
tics”
and minor corrections applicable to Timer1,
EUSART and the packaging diagrams. Also added the
125°C specifications.
Revision D (July 2007)
This revision updated the extended temperature
information in Section 26.0 “Electrical Characteris-
tics”
.
Revision E (October 2008)
This revision updated Section 26.0 “Electrical Charac-
teristics”
, Section 27.0 “DC and AC Characteristics
Graphs and Tables”
and Section 28.0 “Packaging
Information”
.
APPENDIX B:
DEVICE
DIFFERENCES
The differences between the devices listed in this data
sheet are shown in Table B-1.
TABLE B-1:
DEVICE DIFFERENCES
Features
PIC18F2420
PIC18F2520
PIC18F4420
PIC18F4520
Program Memory (Bytes)
16384
32768
16384
32768
Program Memory (Instructions)
8192
16384
8192
16384
Interrupt Sources
19
19
20
20
I/O Ports
Ports A, B, C, (E)
Ports A, B, C, (E)
Ports A, B, C, D, E
Ports A, B, C, D, E
Capture/Compare/PWM Modules
2
2
1
1
Enhanced
Capture/Compare/PWM Modules
00
1
1
Parallel Communications (PSP)
No
No
Yes
Yes
10-Bit Analog-to-Digital Module
10 Input Channels 10 Input Channels
13 Input Channels
13 Input Channels
Packages
28-Pin SPDIP
28-Pin SOIC
28-Pin QFN
28-Pin SPDIP
28-Pin SOIC
28-Pin QFN
40-Pin PDIP
44-Pin TQFP
44-Pin QFN
40-Pin PDIP
44-Pin TQFP
44-Pin QFN



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