2006 Microchip Technology Inc.
DS39564C-page 7
PIC18FXX2
1.0
DEVICE OVERVIEW
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.
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.
TABLE 1-1:
DEVICE FEATURES
PIC18F242
PIC18F442
PIC18F252
PIC18F452
Features
PIC18F242
PIC18F252
PIC18F442
PIC18F452
Operating Frequency
DC - 40 MHz
Program Memory (Bytes)
16K
32K
16K
32K
Program Memory (Instructions)
8192
16384
8192
16384
Data Memory (Bytes)
768
1536
768
1536
Data EEPROM Memory (Bytes)
256
Interrupt Sources
17
18
I/O Ports
Ports A, B, C
Ports A, B, C, D, E Ports A, B, C, D, E
Timers
4
Capture/Compare/PWM Modules
2
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 PLCC
44-pin TQFP
40-pin DIP
44-pin PLCC
44-pin TQFP
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相关代理商/技术参数
PIC18F452-I/P 功能描述:8位微控制器 -MCU 32KB 1536 RAM 34I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F452-I/P 制造商:Microchip Technology Inc 功能描述:IC 8BIT FLASH MCU 18F452 DIP40
PIC18F452-I/PG 功能描述:8位微控制器 -MCU 32KB 1536 RAM 34I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F452-I/PT 功能描述:8位微控制器 -MCU 32KB 1536 RAM 34I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F452-I/PT 制造商:Microchip Technology Inc 功能描述:8BIT FLASH MCU SMD 18F452 TQFP44
PIC18F452-I/PTC28 制造商:Microchip Technology Inc 功能描述:
PIC18F452-I/PTG 功能描述:8位微控制器 -MCU 32KB 1536 RAM 34I/O RoHS:否 制造商:Silicon Labs 核心:8051 处理器系列:C8051F39x 数据总线宽度:8 bit 最大时钟频率:50 MHz 程序存储器大小:16 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:1.8 V to 3.6 V 工作温度范围:- 40 C to + 105 C 封装 / 箱体:QFN-20 安装风格:SMD/SMT
PIC18F452IL 制造商:Microchip Technology Inc 功能描述: