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Part: PIC18F452
Category:
Microcontrollers
-> PICmicro with analog capability
Description: This Powerful 10 Mips (100 Nanosecond Instruction Execution) Yet Easy-to-program (only 77 Single Word Instructions) CMOS Flash-based 8-bit Microcontroller Packs Microchip's Powerful Pic Architecture Into an 40- or 44-pin Package And is Upwards Compatible With The PIC16C5X, PIC12CXXX, PIC16CXX And PIC17CXX Devices And Thus Providing a Seamless Migration Path of Software Code to Higher Levels of Hardware Integration
Company: Microchip Technology, Inc.
Datasheet: Download PIC18F452 datasheet File size : 7298 kB
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Datasheet text preview:
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PIC18FXX2 Data Sheet
High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
2002 Microchip Technology Inc.
DS39564B
Note the following details of the code protection feature on PICmicro® MCUs. · · · The PICmicro family meets the specifications contained in the Microchip Data Sheet. Microchip believes that its family of PICmicro microcontrollers is one of the most secure products of its kind on the market today, when used in the intended manner and under normal conditions. There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the PICmicro microcontroller in a manner outside the operating specifications contained in the data sheet. The person doing so may be engaged in theft of intellectual property. Microchip is willing to work with the customer who is concerned about the integrity of their code. Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as "unbreakable". Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our product.
· · ·
If you have any further questions about this matter, please contact the local sales office nearest to you.
Information contained in this publication regarding device applications and the like is intended through suggestion only and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. No representation or warranty is given and no liability is assumed by Microchip Technology Incorporated with respect to the accuracy or use of such information, or infringement of patents or other intellectual property rights arising from such use or otherwise. Use of Microchip's products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights.
Trademarks The Microchip name and logo, the Microchip logo, KEELOQ, MPLAB, PIC, PICmicro, PICSTART and PRO MATE are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, microID, MXDEV, MXLAB, PICMASTER, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. dsPIC, dsPICDEM.net, ECONOMONITOR, FanSense, FlexROM, fuzzyLAB, In-Circuit Serial Programming, ICSP, ICEPIC, microPort, Migratable Memory, MPASM, MPLIB, MPLINK, MPSIM, PICC, PICDEM, PICDEM.net, rfPIC, Select Mode and Total Endurance are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. Serialized Quick Turn Programming (SQTP) is a service mark of Microchip Technology Incorporated in the U.S.A. All other trademarks mentioned herein are property of their respective companies. © 2002, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved.
Printed on recycled paper.
Microchip received QS-9000 quality system certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona in July 1999 and Mountain View, California in March 2002. The Company's quality system processes and procedures are QS-9000 compliant for its PICmicro® 8-bit MCUs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, non-volatile memory and analog products. In addition, Microchip's quality system for the design and manufacture of development systems is ISO 9001 certified.
DS39564B - page ii
2002 Microchip Technology Inc.
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Devi ce FLASH (b ytes) PI C18F 242 PI C18F 252 PI C18F 442 PI C18F 452 16K 32K 16K 32K
PIC18FXX2
Peripheral Features (Continued):
· Addressable USART module: - Supports RS-485 and RS-232 · Parallel Slave Port (PSP) module
28/40-pin High Performance, Enhanced FLASH Microcontrollers with 10-Bit A/D
High Performance RISC CPU:
· C compiler optimized architecture/instruction set - Source code compatible with the PIC16 and PIC17 instruction sets · Linear program memory addressing to 32 Kbytes · Linear data memory addressing to 1.5 Kbytes
On-Chip Program Memory On-Chip Data RAM EEPROM # Single Word (bytes) (bytes) Instructions 8192 16384 8192 16384 768 15 36 768 15 36 256 256 256 256
Analog Features:
· Compatible 10-bit Analog-to-Digital Converter module (A/D) with: - Fast sampling rate - Conversion available during SLEEP - Linearity 1 LSb · Programmable Low Voltage Detection (PLVD) - Supports interrupt on-Low Voltage Detection · Programmable Brown-out Reset (BOR)
· Up to 10 MIPs operation: - DC - 40 MHz osc./clock input - 4 MHz - 10 MHz osc./clock input with PLL active · 16-bit wide instructions, 8-bit wide data path · Priority levels for interrupts · 8 x 8 Single Cycle Hardware Multiplier
Special Microcontroller Features:
· 100,000 erase/write cycle Enhanced FLASH program memory typical · 1,000,000 erase/write cycle Data EEPROM memory · FLASH/Data EEPROM Retention: > 40 years · Self-reprogrammable under software control · Power-on Reset (POR), Power-up Timer (PWRT) and Oscillator Start-up Timer (OST) · Watchdog Timer (WDT) with its own On-Chip RC Oscillator for reliable operation · Programmable code protection · Power saving SLEEP mode · Selectable oscillator options including: - 4X Phase Lock Loop (of primary oscillator) - Secondary Oscillator (32 kHz) clock input · Single supply 5V In-Circuit Serial ProgrammingTM (ICSPTM) via two pins · In-Circuit Debug (ICD) via two pins
Peripheral Features:
· High current sink/source 25 mA/25 mA · Three external interrupt pins · Timer0 module: 8-bit/16-bit timer/counter with 8-bit programmable prescaler · Timer1 module: 16-bit timer/counter · Timer2 module: 8-bit timer/counter with 8-bit period register (time-base for PWM) · Timer3 module: 16-bit timer/counter · Secondary oscillator clock option - Timer1/Timer3 · Two Capture/Compare/PWM (CCP) modules. CCP pins that can be configured as: - Capture input: capture is 16-bit, max. resolution 6.25 ns (TCY/16) - Compare is 16-bit, max. resolution 100 ns (TCY) - PWM output: PWM resolution is 1- to 10-bit, max. PWM freq. @: 8-bit resolution = 156 kHz 10-bit resolution = 39 kHz · Master Synchronous Serial Port (MSSP) module, Two modes of operation: - 3-wire SPITM (supports all 4 SPI modes) - I2CTM Master and Slave mode
CMOS Technology:
· Low power, high speed FLASH/EEPROM technology · Fully static design · Wide operating voltage range (2.0V to 5.5V) · Industrial and Extended temperature ranges · Low power consumption: - < 1.6 mA typical @ 5V, 4 MHz - 25 µA typical @ 3V, 32 kHz - < 0.2 µA typical standby current
2002 Microchip Technology Inc.
DS 39564B - page 1
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