PIC16F721-I/SS

PIC16F720/721 20-Pin 8-Bit CMOS Flash Microcontroller Product Brief High-Performance RISC CPU: Low-Power Features: • Only 35 Instructions to Learn: - All single-cycle instructions except branches • Operating Speed: - DC – 16 MHz oscillator/clock input - DC – 250 ns instruction cycle • Up to 4K x 14 Words of Flash Program Memory • Up to 256 bytes of Data Memory (RAM) • Interrupt Capability • 8-Level Deep Hardware Stack • Direct, Indirect and Relative Addressing modes • Processor Self-Write/Read access to Program Memory • Standby Current: - 50 nA @ 1.8V, typical • Operating Current: - 100 μA @ 1 MHz, 1.8V, typical • Low-Power Watchdog Timer Current: - 500nA @ 1.8V, typical Special Microcontroller Features: • Precision Internal Oscillator: - 16 MHz or 500 kHz operation - Factory calibrated to ±1%, typical - Software tunable - Software selectable ÷1, ÷2, ÷4 or ÷8 divider • Power-Saving Sleep mode • Industrial and Extended Temperature Range • Power-on Reset (POR) • Power-up Timer (PWRT) • Brown-out Reset (BOR) • Multiplexed Master Clear with Pull-up/Input Pin • Programmable Code Protection • In-Circuit Serial ProgrammingTM (ICSPTM) via Two Pins • High-Endurance Flash Cell: - 10,000 write Flash endurance (typical) - Flash retention: > 40 years • Wide Operating Voltage Range: - 1.8V to 5.5V (PIC16F720/721) - 1.8V to 3.6V (PIC16LF720/721) TABLE 1: Device PIC16F720 Peripheral Features: • Up to 17 I/O Pins and 1 Input-only Pin: - High-current source/sink for direct LED drive - Interrupt-on-pin change - Individually programmable weak pull-ups • A/D Converter: - 8-bit resolution - 12 channels - Selectable Voltage reference • Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler • Enhanced Timer1 - 16-bit timer/counter with prescaler - External Gate Input mode with toggle and single shot modes - Interrupt-on-gate completion • Timer2: 8-Bit Timer/Counter with 8-Bit Period Register, Prescaler and Postscaler • Capture, Compare, PWM module (CCP) - 16-bit Capture, max resolution 12.5 ns - 16-bit Compare, max resolution 250 ns - 10-bit PWM, max frequency 15 kHz • Addressable Universal Synchronous Asynchronous Receiver Transmitter (AUSART) • Synchronous Serial Port (SSP) - SPI (Master/Slave) - I2CTM (Slave) with Address Mask PIC16F720/721 AND PIC16LF720/721 FAMILY TYPES Program Memory Flash (words) SRAM (bytes) I/O Timers 8/16-bit 8-bit A/D (ch) AUSART CCP SSP 2048 128 18 2/1 12 Yes 1 1 PIC16F721 4096 256 18 2/1 12 Yes 1 1 PIC16LF720 2048 128 18 2/1 12 Yes 1 1 PIC16LF721 4096 256 18 2/1 12 Yes 1 1 © 2009 Microchip Technology Inc. Advance Information DS41402A-page 1 PIC16F720/721 Note: Pin details are subject to change. FIGURE 1: 20-PIN DIAGRAM FOR PIC16F720/721 AND PIC16LF720/721 PDIP, SOIC, SSOP VDD 1 20 VSS 2 19 RA0/AN0/ICSPDAT 3 18 RA1/AN1/ICSPCLK RA3/MCLR/VPP 4 17 RA2/AN2/T0CKI/INT RC5/CCP1 5 16 RC0/AN4 RC4 6 15 RC1/AN5 RC3/AN7 7 14 RC2/AN6 RC6/AN8/SS 8 13 RB4/AN10/SDI/SDA RC7/AN9/SDO 9 12 RB5/AN11/RX/DT 10 11 RB6/SCK/SCL RB7/TX/CK RA0/AN0/ICSPDAT VSS RA5/T1CKI/CLKIN 20-Pin QFN (4x4) VDD 20-PIN DIAGRAM FOR PIC16F720/721 AND PIC16LF720/721 RA4/AN3/T1G/CLKOUT FIGURE 2: PIC16F720/721 PIC16LF720/721 RA5/T1CKI/CLKIN RA4/AN3/T1G/CLKOUT 20 19 18 17 16 DS41402A-page 2 3 RC3/AN7 4 14 PIC16F720/721 13 PIC16LF720/721 12 RC6/AN8/SS 5 11 7 8 9 10 RA1/AN1/ICSPCLK RA2/AN2/T0CKI/INT RC0/AN4 RC1/AN5 RC2/AN6 RB4/AN10/SDI/SDA 6 RB5/AN11/RX/DT RC4 RB6/SCK/SCL 15 2 RB7/TX/CK 1 RC5/CCP1 RC7/AN9/SDO RA3/MCLR/VPP Advance Information © 2009 Microchip Technology Inc. PIC16F720/721 20-Pin DIP/SOIC/ SSOP 20-Pin QFN A/D Timers CCP AUSART SSP Interrupt Pull-up Basic 20-PIN ALLOCATION TABLE (PIC16F720/721 AND PIC16LF720/721) I/O TABLE 2: RA0 19 16 AN0 — — — — IOC Y ICSPDAT/ ICDDAT RA1 18 15 AN1 — — — — IOC Y ICSPCLK/ ICDCLK RA2 17 14 AN2 T0CKI — — — INT/IOC — — RA3 4 1 — — — — — IOC Y MCLR/VPP RA4 3 20 AN3 T1G — — — IOC Y CLKOUT RA5 2 19 — T1CKI — — — IOC Y CLKIN RB4 13 10 AN10 — — — SDI/SDA IOC Y — RB5 12 9 AN11 — — RX/DT — IOC Y — RB6 11 8 — — — — SCK/SCL IOC Y — RB7 10 7 — — — TX/CK — IOC Y — RC0 16 13 AN4 — — — — — — — RC1 15 12 AN5 — — — — — — — RC2 14 11 AN6 — — — — — — — RC3 7 4 AN7 — — — — — — — RC4 6 3 — — — — — — — — RC5 5 2 — — CCP1 — — — — — RC6 8 5 AN8 — — — SS — — — RC7 9 6 AN9 — — — SDO — — — VDD 1 18 — — — — — — — VDD Vss 20 17 — — — — — — — VSS © 2009 Microchip Technology Inc. Advance Information DS41402A-page 3 PIC16F720/721 NOTES: DS41402A-page 4 Advance Information © 2009 Microchip Technology Inc. Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families 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 Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is 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 products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, rfPIC and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Analog-for-the-Digital Age, Application Maestro, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial Programming, ICSP, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, mTouch, Octopus, Omniscient Code Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit, PICtail, PIC32 logo, REAL ICE, rfLAB, Select Mode, Total Endurance, TSHARC, UniWinDriver, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. 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. © 2009, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. Microchip received ISO/TS-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. © 2009 Microchip Technology Inc. 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