PIC18F4321 Datasheet, PDF (379/396 Pages) Microchip Technology – 28/40/44-Pin Enhanced Flash Microcontrollers with 10-Bit A/D and nanoWatt Technology

PIC18F4321 FAMILY
APPENDIX A: REVISION HISTORY
Revision A (July 2005)
Original data sheet for PIC18F2221/2321/4221/4321
devices.
Revision B (August 2006)
Updated Section 26.0 “Electrical Characteristic”.
Revision C (October 2006)
This revision includes updates to the packaging
diagrams.
Revision D (January 2007)
This revision includes updates to the packaging
diagrams.
Revision E (February 2007)
This revision includes updates to the packaging
diagrams.
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
PIC18F2221
PIC18F2321
PIC18F4221
PIC18F4321
Program Memory (Bytes)
Program Memory (Instructions)
Interrupt Sources
I/O Ports
Capture/Compare/PWM Modules
Enhanced Capture/Compare/
PWM Modules
Parallel Communications (PSP)
10-Bit Analog-to-Digital Module
Packages
4096
2048
19
Ports A, B, C, (E)
2
0
No
10 input channels
28-pin SPDIP
28-pin SOIC
28-pin SSOP
28-pin QFN
8192
4096
19
Ports A, B, C, (E)
2
0
No
10 input channels
28-pin SPDIP
28-pin SOIC
28-pin SSOP
28-pin QFN
4096
8192
2048
4096
20
20
Ports A, B, C, D, E Ports A, B, C, D, E
1
1
1
1
Yes
13 input channels
40-pin PDIP
44-pin TQFP
44-pin QFN
Yes
13 input channels
40-pin PDIP
44-pin TQFP
44-pin QFN
© 2007 Microchip Technology Inc.
Preliminary
DS39689E-page 377