PIC18LF4550T-I/SO View Datasheet(PDF) - Microchip Technology
Part Name
Description
Manufacturer
PIC18LF4550T-I/SO
Microchip Technology
PIC18LF4550T-I/SO Datasheet PDF : 438 Pages
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PIC18F2455/2550/4455/4550
APPENDIX A: REVISION HISTORY
Revision A (May 2004)
Original data sheet for PIC18F2455/2550/4455/4550
devices.
Revision B (October 2004)
This revision includes updates to the Electrical Specifi-
cations in Section 28.0 “Electrical Characteristics”
and includes minor corrections to the data sheet text.
Revision C (February 2006)
This revision includes updates to Section 19.0 “Master
Synchronous Serial Port (MSSP) Module”,
Section 20.0 “Enhanced Universal Synchronous
Asynchronous Receiver Transmitter (EUSART)” and
the Electrical Specifications in Section 28.0 “Electrical
Characteristics” and includes minor corrections to the
data sheet text.
Revision D (January 2007)
This revision includes updates to the packaging
diagrams.
Revision E (August 2008)
This revision includes minor corrections to the data
sheet text. In Section 30.2 “Package Details”, added
land pattern drawings for both 44-pin packages.
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
PIC18F2455
PIC18F2550
PIC18F4455
PIC18F4550
Program Memory (Bytes)
Program Memory (Instructions)
Interrupt Sources
I/O Ports
Capture/Compare/PWM Modules
Enhanced Capture/Compare/
PWM Modules
Parallel Communications (SPP)
10-Bit Analog-to-Digital Module
Packages
24576
12288
19
Ports A, B, C, (E)
2
0
No
10 Input Channels
28-Pin PDIP
28-Pin SOIC
32768
16384
19
Ports A, B, C, (E)
2
0
No
10 Input Channels
28-Pin PDIP
28-Pin SOIC
24576
12288
20
Ports A, B, C, D, E
1
1
Yes
13 Input Channels
40-Pin PDIP
44-Pin TQFP
44-Pin QFN
32768
16384
20
Ports A, B, C, D, E
1
1
Yes
13 Input Channels
40-Pin PDIP
44-Pin TQFP
44-Pin QFN
© 2009 Microchip Technology Inc.
DS39632E-page 419
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