PIC16LF1554/1559 14/20-Pin, 8-Bit Flash Microcontroller Product Brief Description: The PIC16LF1554/1559 microcontrollers with Microchip enhanced mid-range core deliver unique on-chip features for the design of mTouch™ solutions and general purpose applications in 14/20-pin count packages. Up to 17 analog channels connecting to two 10-bit ADCs with automated hardware CVD modules, two PWMs and multiple communication peripherals offer an excellent solution to implement capacitive sensing and other front-end sampling applications with minimal software overhead. High-Performance RISC CPU: Peripheral Features: • Only 49 Instructions to Learn • Operating Speed: - DC – 32 MHz clock input - DC – 125 ns instruction cycle • Interrupt Capability with Automatic Context Saving • 16-Level Deep Hardware Stack with Optional Overflow/Underflow Reset • Direct, Indirect and Relative Addressing modes: - Two full 16-bit File Select Registers (FSRs) - FSRs can read program and data memory • Up to 17 I/O Pins and One Input-only Pin: - High current sink/source for LED drivers - Individually programmable interrupt-onchange pins - Individually programmable weak pull-ups • Timer0: 8-Bit Timer/Counter with 8-Bit Programmable Prescaler • Enhanced Timer1: - 16-bit timer/counter with prescaler - External Gate Input mode • Timer2 modules: 8-Bit Timer/Counter with 8-Bit Period Register, Prescaler and Postscaler • Two PWM modules • Two Analog-to-Digital Converters (ADC): - 10-bit resolution - Up to 17 channels - Simultaneous sampling on two ADCs - Connect multiple channels together for sampling - External conversion trigger - Flexible analog channel selection - Conversion during Sleep - Fixed Voltage Reference as channel - External pin as ADC positive reference - Temp sensor channel input • Voltage Reference module: - Fixed Voltage Reference (FVR) with 1.024V and 2.048V output levels • Hardware Capacitive Voltage Divider (CVD): - Double-sample conversions - Two sets of result registers - Inverted acquisition - 7-bit pre-charge timer - 7-bit acquisition timer - Two guard ring output drives - 30 pF adjustable sample and hold capacitor array • Master Synchronous Serial Port (MSSP) with SPI and I2CTM with: - 7-bit address masking - SMBus/PMBusTM compatibility Special Microcontroller Features: • Precision 16 MHz Internal Oscillator: - Factory calibrated to ±1%, typical - Software selectable frequency range from 32 MHz to 31 kHz • 31 kHz Low-Power Internal Oscillator • 4x Phase-Locked Loop (PLL) • Power-Saving Sleep mode • Power-on Reset (POR) • Power-up Timer (PWRT) • BOR with Selectable Trip Point • Low-Power Brown-Out Reset (LPBOR) • Extended Watchdog Timer (WDT) • In-Circuit Serial Programming™ (ICSP™) via Two Pins • In-Circuit Debug (ICD) via Two Pins • Enhanced Low-Voltage Programming (LVP) • Operating Voltage Range: - 1.8V to 3.6V • Programmable Code Protection • Self-Programmable under Software Control Low-Power Features: • Standby Current: - 30 nA @ 1.8V, typical • Operating Current: - 75 A @ 1 MHz, 1.8V, typical • Low-Power Watchdog Timer Current: - 500 nA @ 1.8V, typical 2014 Microchip Technology Inc. Advance Information DS40001748B-page 1 PIC16LF1554/1559 • Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART): - RS-232, RS-485 and LIN compatible - Auto-Baud Detect - Auto-wake-up on start Program Memory Flash (words) Data EEPROM (bytes) SRAM (bytes) I/Os 10-bit A/D (ch)(1) Timers 8/16-Bit EUSART MSSP PWM Cap Touch Channels Debug(2) PIC16LF1554/1559 FAMILY TYPES Data Sheet Index TABLE 1: PIC16LF1554 (A) 4096 0 256 12 11 2/1 1 1 2 11 I PIC16LF1559 (A) 8192 0 512 18 17 2/1 1 1 2 17 I Device Note 1: 2: 11/17 analog channels are connected to two ADC modules. Debugging Methods: (I) – Integrated on Chip; (H) – available using Debug Header Data Sheet Index: A. Future Release Note: PIC16LF1554/1559 Data Sheet, 14/20-Pin, 8-Bit Flash Microcontrollers. For other small form-factor package availability and marking information, please visit http://www.microchip.com/packaging or contact your local sales office. TABLE 2: PACKAGES Packages PDIP SOIC QFN PIC16LF1554 X X X PIC16LF1559 X Note: X SSOP TSSOP X X Pin details are subject to change. DS40001748B-page 2 Advance Information 2014 Microchip Technology Inc. PIC16LF1554/1559 PIN DIAGRAMS 14-PIN PDIP, SOIC, TSSOP VDD 1 RA5 2 RA4 3 RA3 4 RC5 5 RC4 6 PIC16LF1554 FIGURE 1: VSS 14 13 RA0 12 RA1 11 RA2 10 RC0 9 RC1 8 RC2 RC3 7 Note: See Table 3 for location of all peripheral functions. VSS NC NC 16-PIN QFN VDD FIGURE 2: 16 15 14 13 RA5 1 12 RA0 RA4 2 PIC16LF1554 11 RA1 5 6 7 8 RC1 9 RC0 RC2 RC5 4 RC3 10 RA2 RC4 RA3/MCLR/VPP 3 Note: See Table 3 for location of all peripheral functions. 2014 Microchip Technology Inc. Advance Information DS40001748B-page 3 PIC16LF1554/1559 20-PIN PDIP, SSOP VDD 1 RA5 2 20 VSS 19 RA0 RA4 3 18 RA1 RA3 4 17 RA2 RC5 5 RC4 6 RC3 7 RC6 8 PIC16LF1559 FIGURE 3: 16 RC0 15 RC1 14 RC2 13 RB4 RC7 9 12 RB5 RB7 10 11 RB6 Note: See Table 4 for location of all peripheral functions. RA0 VSS VDD RA5 20-PIN QFN (4x4) RA4 FIGURE 4: 20 19 18 17 16 15 RA1 RA3/MCLR/VPP 1 14 RA2 RC5 2 RC4 3 PIC16LF1559 13 RC0 11 RC2 8 9 10 RB4 7 RB5 6 RB6 RC6 5 RB7 12 RC1 RC7 RC3 4 Note: See Table 4 for location of all peripheral functions. DS40001748B-page 4 Advance Information 2014 Microchip Technology Inc. PIC16LF1554/1559 PIN ALLOCATION TABLES 14-Pin PDIP/SOIC/TSSOP 16-Pin QFN A/D Reference Timers PWM EUSART MSSP Interrupt Pull-up Basic 14-PIN AND 16-PIN ALLOCATION TABLE (PIC16LF1554) I/O TABLE 3: RA0 13 12 AN0 — — — — — IOC Y ICSPDAT/ ICDDAT RA1 12 11 AN1 VREF — — — — IOC Y ICSPCLK ICDCLK RA2 11 10 AN2 — T0CKI — — — INT/ IOC Y — RA3 4 3 — — — — — SS(1) SDA(1) SDI(1) IOC Y MCLR VPP RA4 3 2 AN10 ADTRIG — T1G — RX(1) DT(1) SDO(1) IOC Y CLKOUT RA5 2 1 AN20 — T1CKI — — — IOC Y CLKIN RC0 10 9 AN13 — — — — SCL SCK — Y — RC1 9 8 AN23 — — — — SDA(1) SDI(1) — Y — RC2 8 7 AN12 AD1GRDB AD2GRDB(1) — — PWM1 — SDO(1) — Y — RC3 7 6 AN22 AD1GRDB(1) AD2GRDB — — PWM2 TX(1) CK(1) SS(1) — Y — RC4 6 5 AN11 AD1GRDA AD2GRDA(1) — — — TX(1) CK(1) — — Y — RC5 5 4 AN21 AD1GRDA(1) AD2GRDA — — — RX(1) DT(1) — — Y — VDD 1 16 — — — — — — — — VDD VSS 14 13 — — — — — — — — VSS Note 1: Pin functions can be assigned to one of two pin locations via software. 2014 Microchip Technology Inc. Advance Information DS40001748B-page 5 PIC16LF1554/1559 20-Pin PDIP/SSOP 20-Pin QFN A/D Reference Timers PWM EUSART MSSP Interrupt Pull-up Basic 20-PIN ALLOCATION TABLE (PIC16LF1559) I/O TABLE 4: RA0 19 16 AN0 — — — — — IOC Y ICSPDAT/ ICDDAT RA1 18 15 AN1 VREF+ — — — — IOC Y ICSPCLK/ ICDCLK RA2 17 14 AN2 — T0CKI — — — INT/ IOC Y — RA3 4 1 — — — — — SDA(1) SDI(1) SS(1) IOC Y MCLR VPP RA4 3 20 AN10 ADTRIG — T1G — — — IOC Y CLKOUT RA5 2 19 AN20 — T1CKI — — — IOC Y CLKIN RB4 13 10 AN26 — — — — SDA(1) SDI(1) IOC Y — RB5 12 9 AN16 — — — RX DT — IOC Y — RB6 11 8 AN25 — — — — SCL SCK IOC Y — RB7 10 7 AN15 — — — TX CK — IOC Y — RC0 16 13 AN13 — — — — — — Y — RC1 15 12 AN23 — — — — — — Y — RC2 14 11 AN12 AD1GRDB AD2GRDB(1) — — PWM1 — — — Y — RC3 7 4 AN22 AD1GRDB(1) AD2GRDB — — PWM2 — — — Y — RC4 6 3 AN11 AD1GRDA AD2GRDA(1) — — — — — — Y — RC5 5 2 AN21 AD1GRDA(1) AD2GRDA — — — — — — Y — RC6 8 5 AN14 — — — — SS(1) — Y — RC7 9 6 AN24 — — — — SDO — Y — VDD 1 18 — — — — — — — — VDD 20 17 — — — — — — — — VSS VSS Note 1: Pin functions can be assigned to one of two pin locations via software. DS40001748B-page 6 Advance Information 2014 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, FlashFlex, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, PIC32 logo, rfPIC, SST, SST Logo, SuperFlash 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, MTP, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. Analog-for-the-Digital Age, Application Maestro, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial Programming, ICSP, Mindi, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, mTouch, Omniscient Code Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit, PICtail, REAL ICE, rfLAB, Select Mode, SQI, Serial Quad I/O, Total Endurance, TSHARC, UniWinDriver, WiperLock, ZENA and Z-Scale 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. GestIC and ULPP are registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2014, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. ISBN: 978-1-63276-173-6 QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 == 2014 Microchip Technology Inc. Microchip received ISO/TS-16949:2009 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. 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