
PIC18FXX39
DS30485A-page 8
Preliminary
2002 Microchip Technology Inc.
TABLE 1-1:
PIC18FXX39 DEVICE FEATURES
Features
PIC18F2439
PIC18F2539
PIC18F4439
PIC18F4539
Operating Frequency
DC - 40 MHz
Program Memory (Bytes)
12K
24K
12K
24K
Program Memory (Instructions)
6144
12288
6144
12288
Data Memory (Bytes)
640
1408
640
1408
Data EEPROM Memory (Bytes)
256
Interrupt Sources
15
16
I/O Ports
Ports A, B, C
Ports A, B, C, D, E Ports A, B, C, D, E
Timers
3
PWM Modules(1)
22
2
Single Phase Induction
Motor Control
Yes
Serial Communications
MSSP,
Addressable
USART
MSSP,
Addressable
USART
MSSP,
Addressable
USART
MSSP,
Addressable
USART
Parallel Communications
—
PSP
10-bit Analog-to-Digital Module
5 input channels
8 input channels
RESETS (and Delays)
POR, BOR,
RESET
Instruction,
Stack Full,
Stack Underflow
(PWRT, OST)
POR, BOR,
RESET
Instruction,
Stack Full,
Stack Underflow
(PWRT, OST)
POR, BOR,
RESET
Instruction,
Stack Full,
Stack Underflow
(PWRT, OST)
POR, BOR,
RESET
Instruction,
Stack Full,
Stack Underflow
(PWRT, OST)
Programmable Low Voltage
Detect
Yes
Programmable Brown-out Reset
Yes
Instruction Set
75 Instructions
Packages
28-pin DIP
28-pin SOIC
28-pin DIP
28-pin SOIC
40-pin DIP
44-pin TQFP
44-pin QFN
40-pin DIP
44-pin TQFP
44-pin QFN
Note 1: PWM modules are used exclusively in conjunction with the motor control kernel, and are not available for
other applications.