PIC18LF452 Microchip Technology, PIC18LF452 Datasheet - Page 9

• Manufacturer Part Number: PIC18LF452
• Description: (PIC18LFxx2) Enhanced FLASH Microcontrollers
• Manufacturer: Microchip Technology

1.0
This document contains device specific information for
the following devices:
These devices come in 28-pin and 40/44-pin packages.
The 28-pin devices do not have a Parallel Slave Port
(PSP) implemented and the number of Analog-to-
Digital (A/D) converter input channels is reduced to 5.
An overview of features is shown in Table 1-1.
TABLE 1-1:
Operating Frequency
Program Memory (Bytes)
Program Memory (Instructions)
Data Memory (Bytes)
Data EEPROM Memory (Bytes)
Interrupt Sources
I/O Ports
Timers
Capture/Compare/PWM Modules
Serial Communications
Parallel Communications
10-bit Analog-to-Digital Module
RESETS (and Delays)
Programmable Low Voltage
Detect
Programmable Brown-out Reset
Instruction Set
Packages
• PIC18F242
• PIC18F252
2002 Microchip Technology Inc.
DEVICE OVERVIEW
Features
DEVICE FEATURES
• PIC18F442
• PIC18F452
RESET Instruction,
5 input channels
Stack Underflow
75 Instructions
(PWRT, OST)
DC - 40 MHz
Ports A, B, C
Addressable
28-pin SOIC
POR, BOR,
PIC18F242
28-pin DIP
Stack Full,
USART
MSSP,
8192
16K
768
256
Yes
Yes
17
—
4
2
RESET Instruction,
5 input channels
Stack Underflow
75 Instructions
(PWRT, OST)
DC - 40 MHz
Ports A, B, C
Addressable
28-pin SOIC
POR, BOR,
PIC18F252
28-pin DIP
Stack Full,
USART
MSSP,
16384
The following two figures are device block diagrams
sorted by pin count: 28-pin for Figure 1-1 and 40/44-pin
for Figure 1-2. The 28-pin and 40/44-pin pinouts are
listed in Table 1-2 and Table 1-3, respectively.
1536
32K
256
Yes
Yes
17
—
4
2
Ports A, B, C, D, E Ports A, B, C, D, E
RESET Instruction,
8 input channels
Stack Underflow
75 Instructions
(PWRT, OST)
DC - 40 MHz
44-pin PLCC
44-pin TQFP
Addressable
POR, BOR,
PIC18F442
40-pin DIP
Stack Full,
USART
MSSP,
8192
PSP
16K
768
256
Yes
Yes
18
4
2
PIC18FXX2
RESET Instruction,
8 input channels
Stack Underflow
75 Instructions
(PWRT, OST)
DS39564B-page 7
DC - 40 MHz
44-pin PLCC
44-pin TQFP
Addressable
POR, BOR,
PIC18F452
Stack Full,
40-pin DIP
USART
MSSP,
16384
1536
PSP
32K
256
Yes
Yes
18
4
2