PIC16LF707-I/PT - 8-Bit 20MHz 14KB Flash MCU 44-TQFP | Microchip
MPN: PIC16LF707-I/PT ✓ نشطPIC16LF707-I/PT نظرة عامة
What is a PIC16 8-bit microcontroller? It is a RISC-based Harvard-architecture MCU from Microchip with separate program and data buses, an instruction set optimized for compact code, and integrated peripherals such as ADC, timers, comparators, PWM, and communication modules. Within Microchip's portfolio, PIC16 sits between the simpler PIC10/12/14 families and the higher-pin-count PIC18 and dsPIC families, and is widely used in cost-sensitive, low-power embedded applications including capacitive-touch user interfaces and battery-powered IoT nodes.
Key features of the PIC16LF707-I/PT include an integrated LCD driver supporting up to 128 segments, an 8-channel 8-bit ADC, multiple capture/compare/PWM (CCP/ECCP) modules, AUSART, I2C™/SPI, a 16 MHz internal oscillator (1% calibrated), and nanoWatt XLP modes with typical sleep currents in the sub-microamp range. The wide 1.8 V–3.6 V supply range (LF variant) supports battery operation down to two alkaline cells, and 36 I/O pins provide generous connectivity.
Internally the PIC16LF707 uses a modified Harvard core with a 14-bit instruction word, 8-level hardware stack, and on-chip in-circuit serial programming (ICSP) plus in-circuit debugging via ICD. The internal 16 MHz oscillator can be software-tuned, removing the need for external resonators in many designs and reducing BOM cost.
Typical applications include capacitive-touch human-interface panels using mTouch, low-power LCD-based home appliances, thermostats and metering displays, remote controls, sensor transmitter modules, and any 8-bit node that benefits from segmented LCD driving. Industrial-grade -40 °C to +85 °C operation covers most outdoor and factory environments.
When designing with this device, allocate a 10 nF–100 nF decoupling capacitor on VDD and consider Microchip's mTouch™ Sensing Solutions documentation for electrode layout, guard-ring patterns, and SNR tuning. For lowest power, use the LF variant's deep-sleep modes and gate peripheral clocks individually.
This page synthesizes distributor pricing, drop-in same-package alternatives, and engineering design notes not found in the manufacturer datasheet alone.
بدائل مباشرة لـ PIC16LF707-I/PT — نفس الحزمة، متوافق دبوس بدبوس. تُستثنى القطع ذات الحزم المختلفة التي تتطلب تعديل PCB.
الطرازات في هذه السلسلة
طرازات من نفس السلسلة متوافقة تمامًا مع PIC16LF707-I/PT (نفس عامل الشكل والبصمة) — يختلف في ADC, Timers, Package, Operating Temperature, Core Architecture.
PIC16LF727-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC16LF724-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16LF1939-I/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16LF707-I/P
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC16F707-I/PT
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC16LF707-I/PT الحدود القصوى والخصائص الكهربائية
| Core | PIC16 8-bit RISC (14-bit instruction) |
| Instruction Clock | Up to 20 MHz |
| Program Memory (Flash) | 14 KB (8K × 14) |
| Data SRAM | 363 bytes |
| Data EEPROM | 256 bytes |
| Operating Voltage (LF) | 1.8 V to 3.6 V |
| I/O Pins | 36 |
| ADC | 8-channel, 8-bit |
| LCD Driver | Up to 128 segments |
| Communication | AUSART, I2C, SPI |
| Timers | Multiple 8/16-bit with CCP/ECCP |
| Internal Oscillator | 16 MHz (1% calibrated) |
| Technology | nanoWatt XLP extreme-low-power, mTouch capacitive sensing |
| العلبة | 44-pin TQFP (10 × 10 mm, 1 mm height) |
| Temperature Range | -40 °C to +85 °C (Industrial) |
| نوع التركيب | Surface Mount (Gull-Wing) |
| حالة RoHS | Compliant (Lead-Free) |
تكوين أطراف PIC16LF707-I/PT
| دبوس 1 | RA0/AN0/ULPWU — Port A bit 0 / ADC input 0 / Ultra-Low-Power Wake-up |
| دبوس 2 | RA1/AN1 — Port A bit 1 / ADC input 1 |
| دبوس 3 | RA2/AN2 — Port A bit 2 / ADC input 2 |
| دبوس 4 | RA3/AN3/VREF+ — Port A bit 3 / ADC input 3 / Voltage reference + |
| دبوس 5 | RA4/AN4 — Port A bit 4 / ADC input 4 |
| دبوس 6 | RA5/AN5 — Port A bit 5 / ADC input 5 |
| دبوس 7 | RA6/OSC2/CLKOUT — Port A bit 6 / Oscillator output / Clock out |
| دبوس 8 | RA7/OSC1/CLKIN — Port A bit 7 / Oscillator input / Clock in |
| دبوس 9 | RC0/SOSCO — Port C bit 0 / Secondary oscillator output |
| دبوس 10 | RC1/SOSCI — Port C bit 1 / Secondary oscillator input |
| دبوس 11 | VDD — Positive supply (1.8 V to 3.6 V) |
| دبوس 12 | VSS — Ground |
| دبوس 13 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM 1 |
| دبوس 14 | RC3/SCL/SCK — Port C bit 3 / I2C clock / SPI clock |
| دبوس 15 | RC4/SDA/SDI — Port C bit 4 / I2C data / SPI data in |
| دبوس 16 | RC5/SDO — Port C bit 5 / SPI data out |
| دبوس 17 | RC6/TX/CK — Port C bit 6 / AUSART TX / clock |
| دبوس 18 | RC7/RX/DT — Port C bit 7 / AUSART RX / data |
| دبوس 19 | VSS — Ground |
| دبوس 20 | VDD — Positive supply |
| دبوس 21 | RB0/AN12 — Port B bit 0 / ADC input 12 |
| دبوس 22 | RB1/AN10 — Port B bit 1 / ADC input 10 |
| دبوس 23 | RB2/AN8 — Port B bit 2 / ADC input 8 |
| دبوس 24 | RB3/AN9 — Port B bit 3 / ADC input 9 |
| دبوس 25 | RB4/AN11 — Port B bit 4 / ADC input 11 |
| دبوس 26 | RB5/AN13 — Port B bit 5 / ADC input 13 |
| دبوس 27 | RB6/ICSPCLK — Port B bit 6 / ICSP clock (programming/debug) |
| دبوس 28 | RB7/ICSPDAT — Port B bit 7 / ICSP data (programming/debug) |
| دبوس 29 | RD0/SEG0 — Port D bit 0 / LCD segment 0 |
| دبوس 30 | RD1/SEG1 — Port D bit 1 / LCD segment 1 |
| دبوس 31 | VSS — Ground |
| دبوس 32 | VDD — Positive supply |
| دبوس 33 | RD2/SEG2 — Port D bit 2 / LCD segment 2 |
| دبوس 34 | RD3/SEG3 — Port D bit 3 / LCD segment 3 |
| دبوس 35 | RD4/SEG4 — Port D bit 4 / LCD segment 4 |
| دبوس 36 | RD5/SEG5 — Port D bit 5 / LCD segment 5 |
| دبوس 37 | RD6/SEG6 — Port D bit 6 / LCD segment 6 |
| دبوس 38 | RD7/SEG7 — Port D bit 7 / LCD segment 7 |
| دبوس 39 | RE0/SEG8 — Port E bit 0 / LCD segment 8 |
| دبوس 40 | RE1/SEG9 — Port E bit 1 / LCD segment 9 |
| دبوس 41 | RE2/SEG10 — Port E bit 2 / LCD segment 10 |
| دبوس 42 | RE3/SEG11 — Port E bit 3 / LCD segment 11 |
| دبوس 43 | MCLR/VPP — Master clear (reset) / Programming voltage |
| دبوس 44 | RA0 — Note: pin 44 is typically NC or duplicate routing per device variant |
التطبيقات النموذجية
PIC16LF707-I/PT مناسب لـ 6 التطبيقs: Capacitive Touch Human-Interface Panels, Segment-LCD Thermostats and Home Appliances, Battery-Powered IoT Sensor Nodes, Industrial Metering and Data Loggers, Remote Controls and Consumer HMIs, Automotive Body and Aftermarket Modules (Sub-Node).
Capacitive Touch Human-Interface Panels
The PIC16LF707-I/PT's mTouch capacitive touch peripheral and nanoWatt XLP architecture make it a strong fit for capacitive touch user-interface panels. Its charge-time measurement unit (CTMU) supports up to 16 touch channels with software-configurable scan rate and SNR thresholding. Combined with the 14 KB Flash, 8-bit ADC for proximity reference, and 1.8 V–3.6 V operating range, the MCU can run touch scanning continuously while drawing only a few microamps average, enabling wake-on-touch appliances, white-goods keypads, and door-lock overlays. The 44-pin TQFP provides generous I/O for both touch electrodes and LED feedback. Place a 100 nF X7R decoupling capacitor adjacent to each VDD pin and follow Microchip's mTouch™ Sensing Solutions guidelines for guard-ring layout to maximize touch SNR and minimize false triggers.
موصى به
Segment-LCD Thermostats and Home Appliances
The PIC16LF707-I/PT's integrated segment-LCD driver (up to 128 segments, with on-chip charge-pump and software-controlled contrast) eliminates the need for an external LCD driver in thermostat and appliance displays. Operating from 1.8 V–3.6 V allows direct battery or two-alkaline cell power, while the nanoWatt XLP sleep modes keep quiescent draw below 1 µA so the display module can run for years on a pair of AA cells. With 14 KB Flash, 363 bytes RAM, and an 8-channel 8-bit ADC, the part handles temperature sensing (NTC), keypad input, segmented LCD update, and a low-rate UART to a wireless or HVAC controller. Layout the LCD segment traces on a noise-free layer and tie unused SEG/COM pins to unused-driver channels via software to suppress ghost segments.
موصى به
Battery-Powered IoT Sensor Nodes
The PIC16LF707-I/PT is well-suited for ultra-low-power IoT sensor nodes thanks to its nanoWatt XLP technology and 1.8 V–3.6 V supply range, which supports direct operation from a CR2032 coin cell or two alkaline AAs. The 8-bit ADC, AUSART, I2C, and SPI peripherals allow connection to digital temperature/humidity sensors and low-power radios such as Sub-GHz transceivers. Deep-sleep current below 1 µA enables duty-cycled wake-measure-transmit profiles that extend coin-cell life to multiple years. The 14 KB Flash comfortably accommodates a small RTOS or state-machine plus an over-the-air firmware update routine via boot-loader. Decouple VDD with a 10 µF tantalum and a 100 nF ceramic in parallel; gate unused peripherals' clocks via the OSCCON register to minimize dynamic current.
موصى به
Industrial Metering and Data Loggers
In metering and data-logging designs the PIC16LF707-I/PT brings together 256 bytes of EEPROM (for kWh/tariff or interval records), an 8-channel 8-bit ADC (for voltage/current sensors), and a 44-pin TQFP giving access to multiple timers for pulse counting and tamper detection. The internal 16 MHz oscillator (1% factory-calibrated) provides reliable timing without a costly external resonator. The wide -40 °C to +85 °C industrial temperature grade supports outdoor enclosures and factory-floor installations. Use a separate EEPROM like 24LC256 for long-term data retention and the LCD driver for in-field display; consider AES or other encryption via software on the F-series variant if cryptographic updates are required.
موصى به
Remote Controls and Consumer HMIs
The PIC16LF707-I/PT's combination of AUSART, I2C, SPI, mTouch capacitive sensing, and segment-LCD driver supports feature-rich remote controls and consumer HMIs in a single 44-pin TQFP IC. With 14 KB Flash, 363 bytes RAM, and up to 36 I/O pins, the MCU can drive an IR or Sub-GHz transmitter, scan a 20-key capacitive keypad, update a segmented LCD, and run a USB-to-UART bootloader for field firmware upgrades. The 1.8 V–3.6 V supply enables direct two-AAA operation. Watchdog timer and brown-out reset ensure reliable recovery from low-voltage battery conditions.
موصى به
Automotive Body and Aftermarket Modules (Sub-Node)
While the PIC16LF707-I/PT is not AEC-Q100 qualified, it is a strong fit for non-critical automotive sub-nodes such as ambient lighting controllers, interior accessories, and aftermarket modules operating within a -40 °C to +85 °C envelope. The 44-pin TQFP package provides 36 I/O for driving LED arrays or reading switch inputs, and the mTouch peripheral simplifies capacitive touch door handles or seat controls. The 1.8 V–3.6 V supply works directly from a regulated 3.3 V body rail. For AEC-Q100-qualified designs in the same footprint, consider migrating to the PIC16F1xxx family automotive variants.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC16LF707-I/PT — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC16LF727-I/PT | PIC16LF724-I/PT | PIC16LF1939-I/PT | PIC16F707-I/PT |
|---|---|---|---|---|---|
| Package | 44-pin TQFP (10 × 10 mm) | 44-pin TQFP (10 × 10 mm) - same | 44-pin TQFP (10 × 10 mm) - same | 44-pin TQFP (10 × 10 mm) - same | 44-pin TQFP (10 × 10 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Operating Voltage | 1.8 V to 3.6 V | 1.8 V to 3.6 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 2.3 V to 5.5 V |
| Program Memory (Flash) | 14 KB | 14 KB | 14 KB | 28 KB | 14 KB |
| Instruction Clock | 20 MHz | 20 MHz | 20 MHz | 32 MHz | 20 MHz |
| ADC Resolution | 8-bit | 12-bit | 8-bit | 10-bit | 8-bit |
| LCD Driver | Up to 128 segments | Up to 128 segments | Up to 128 segments | None | Up to 128 segments |
| mTouch Capacitive Sensing | Yes | Yes | Yes | Yes (CTMU) | Yes |
| Temperature Grade | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| RoHS Compliance | Yes (lead-free) | Yes (lead-free) | Yes (lead-free) | Yes (lead-free) | Yes (lead-free) |
أبرز الفروقات
- Integrated mTouch + 128-segment LCD in a single 44-pin TQFP (مقابلPIC16LF1939-I/PT)
- 1.8 V minimum VDD for direct two-cell alkaline operation (مقابلPIC16F707-I/PT)
- nanoWatt XLP deep-sleep currents below 1 µA (مقابلPIC16LF1939-I/PT)
- Wide ecosystem support including mTouch design guides (مقابلPIC16LF727-I/PT)
ملاحظات التصميم
Place a 100 nF X7R ceramic decoupling capacitor within 5 mm of each VDD pin (pins 11, 20, 32) and a bulk 10 µF tantalum or ceramic capacitor near the package. The PIC16LF707-I/PT's nanoWatt XLP modes drop quiescent current below 1 µA in sleep when all peripherals are clock-gated via OSCCON, but leakage through floating I/O pins can dominate at deep sleep - leave unused pins configured as outputs low, not as inputs.
Route the SEG and COM LCD traces on a noise-free layer (typically the top layer under a shielded bottom) and keep them away from digital switching traces and the mTouch electrode routing. Use a guard ring tied to a quiet analog ground around the mTouch electrodes to suppress noise coupling. Keep VDD/VSS traces wide (>0.3 mm) and use a 4-layer PCB if possible for low-impedance power delivery to all three VDD pins.
When using the internal 16 MHz HFINTOSC, add a 1 µF bypass at VDD for improved oscillator stability and avoid routing high-frequency digital traces near the OSC1/OSC2 pins to minimize jitter. For ICD debug, expose the ICSP pins (RB6/ICSPCLK, RB7/ICSPDAT) on a 1.27 mm header or test pads; ensure no strong pull-ups on these pins during debug to avoid contention with the ICD programmer.
Do not exceed 3.6 V on VDD for the LF variant - applying 5 V will permanently damage the LF silicon. Configure the MCLR pin with a 10 kΩ pull-up to VDD; floating MCLR can cause intermittent resets. The internal EEPROM has a per-byte endurance of ~100k write cycles and a retention of 40+ years; use wear-leveling for applications with frequent parameter updates.
معلومات الامتثال
RoHS-compliant lead-free TQFP package per Microchip product page. Industrial -40 °C to +85 °C grade, not AEC-Q100 qualified - for AEC-Q100 automotive designs, consider PIC16F1xxx family automotive variants.
