Datasheet

PIC18F2458/2553/4458/4553
DS39887C-page 8 © 2009 Microchip Technology Inc.
TABLE 1-1: DEVICE FEATURES
Features PIC18F2458 PIC18F2553 PIC18F4458 PIC18F4553
Operating Frequency DC – 48 MHz DC – 48 MHz DC – 48 MHz DC – 48 MHz
Program Memory (Bytes) 24576 32768 24576 32768
Program Memory
(Instructions)
12288 16384 12288 16384
Data Memory (Bytes) 2048 2048 2048 2048
Data EEPROM Memory
(Bytes)
256 256 256 256
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
Timers 4 4 4 4
Capture/Compare/PWM
Modules
2 2 1 1
Enhanced Capture/
Compare/PWM Modules
0 0 1 1
Serial Communications MSSP,
Enhanced USART
MSSP,
Enhanced USART
MSSP,
Enhanced USART
MSSP,
Enhanced USART
Universal Serial Bus (USB)
Module
1 1 1 1
Streaming Parallel Port (SPP) No No Yes Yes
12-Bit Analog-to-Digital
Converter Module
10 Input Channels 10 Input Channels 13 Input Channels 13 Input Channels
Comparators 2 2 2 2
Resets (and Delays) POR, BOR, WDT,
RESET Instruction,
Stack Full, Stack
Underflow, MCLR
(optional),
(PWRT, OST)
POR, BOR, WDT,
RESET Instruction,
Stack Full, Stack
Underflow, MCLR
(optional),
(PWRT, OST)
POR, BOR, WDT,
RESET Instruction,
Stack Full, Stack
Underflow, MCLR
(optional),
(PWRT, OST)
POR, BOR, WDT,
RESET Instruction,
Stack Full, Stack
Underflow, MCLR
(optional),
(PWRT, OST)
Programmable High/
Low-Voltage Detect
Yes Yes Yes Ye s
Programmable Brown-out
Reset
Yes Yes Yes Yes
Instruction Set 75 Instructions;
83 with Extended
Instruction Set
Enabled
75 Instructions;
83 with Extended
Instruction Set
Enabled
75 Instructions;
83 with Extended
Instruction Set
Enabled
75 Instructions;
83 with Extended
Instruction Set
Enabled
Packages 28-Pin SPDIP
28-Pin SOIC
28-Pin SPDIP
28-Pin SOIC
40-Pin PDIP
44-Pin QFN
44-Pin TQFP
40-Pin PDIP
44-Pin QFN
44-Pin TQFP
Corresponding Devices with
10-Bit A/D
PIC18F2455 PIC18F2550 PIC18F4455 PIC18F4550