PIC16F1519-I/PT - 8-bit 20MHz 28KB Flash MCU 44-TQFP | Microchip
MPN: PIC16F1519-I/PT ✓ פעילPIC16F1519-I/PT סקירה
What is a PIC16 microcontroller? An 8-bit PIC microcontroller is a self-contained computer-on-a-chip with an 8-bit data path, Flash program memory, on-chip RAM, and integrated peripherals such as timers, ADC, UART, I2C, SPI, and PWM. PIC16 MCUs sit within the broader hierarchy of microcontroller -> embedded processor -> semiconductor device -> integrated circuit. The nanoWatt XLP variant extends this architecture with sub-µA sleep currents and sophisticated power-management peripherals, making it ideal for battery-powered applications.
Key features include 28 KB Flash, 1024 bytes SRAM, a 49-instruction set, a 16-level hardware stack with overflow/underflow reset, automatic context saving on interrupts, 36 I/O pins with individually selectable weak pull-ups, multiple timer modules (Timer0, Timer1, Timer2), a 10-bit ADC with up to 28 channels, Master Synchronous Serial Port (MSSP) for SPI/I2C, and an Enhanced Universal Synchronous Asynchronous Receiver Transmitter (EUSART) with auto-baud detection. A 10-bit Pulse-Width Modulation (PWM) module with dual outputs handles motor or LED control.
The architecture employs a Harvard-design CPU with separate program and data buses, two hardware-accelerated multiply operations, and instruction pipelining that allows most instructions to execute in a single cycle at 20 MHz (50 ns instruction cycle). The nanoWatt XLP technology delivers deep-sleep current under 20 nA typical, with multiple oscillator options (HF/LF INTOSC, XT, HS, LP, EC) for power-accuracy trade-offs.
Typical applications include industrial sensor nodes and 4-20 mA loop transmitters leveraging 28 ADC channels, portable consumer devices such as wearables and remote controls leveraging XLP < 1 µA sleep current, home automation gateways with LCD keypads, low-power IoT end nodes, USB-C power-delivery controllers, and educational/development boards where the 44-pin TQFP footprint simplifies prototyping.
When designing with this MCU, allocate sufficient decoupling (100 nF plus bulk cap) near VDD/AVDD pins, reserve one GPIO pair for In-Circuit Serial Programming (ICSP) ICSPDAT/ICSPCLK, and verify JTAG-disabled configuration bits to free RA0-RA5 for I/O. For low-power designs, switch to INTOSC before sleep and gate peripherals with PMD bits.
This page synthesizes distributor pricing, drop-in alternatives within the PIC16F151x family, and practical design notes drawn from Microchip application notes that are not aggregated on a single distributor page.
חלופות תחליף ישיר עבור PIC16F1519-I/PT — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC16F1519-I/PT (אותו גורם צורה וטביעת רגל) — שונים ב Package, I/O Pins, Core Architecture, Operating Temperature, MSL Level.
PIC16F1519-I/P
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F1519T-I/PT
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16F1519-E/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F1517-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16LF1519-I/PT
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F1519-I/PT דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | 8-bit PIC16 (Harvard) |
| CPU Speed | 20 MHz (50 ns instruction cycle) |
| Program Memory (Flash) | 28 KB (16K x 14 words) |
| Data Memory (SRAM) | 1024 bytes |
| Operating Voltage | 1.8 V to 5.5 V |
| I/O Pins | 36 |
| ADC | 10-bit, up to 28 channels |
| Timers | Timer0, Timer1, Timer2 |
| Communication | 1x MSSP (SPI/I2C), 1x EUSART (LIN/auto-baud) |
| PWM | 10-bit, dual outputs |
| Instruction Set | 49 instructions, 16-level hardware stack |
| טמפרטורת פעולה | -40 °C to +85 °C (Industrial) |
| מארז | 44-pin TQFP (10x10 mm) |
| XLP Sleep Current | < 20 nA typical (deep sleep) |
| סטטוס RoHS | Compliant |
תצורת פינים של PIC16F1519-I/PT
| פין 1 | RA0 — Bidirectional I/O / ADC channel |
| פין 2 | RA1 — Bidirectional I/O / ADC channel |
| פין 3 | RA2 — Bidirectional I/O / ADC channel |
| פין 4 | RA3 — Bidirectional I/O / ADC channel |
| פין 5 | RA4 — Bidirectional I/O / ADC channel |
| פין 6 | RA5 — Bidirectional I/O / ADC channel |
| פין 7 | AVDD — Analog power supply |
| פין 8 | AVSS — Analog ground |
| פין 9 | RA7 — Bidirectional I/O / oscillator |
| פין 10 | RA6 — Bidirectional I/O / oscillator |
| פין 11 | VDD — Digital power supply |
| פין 12 | VSS — Digital ground |
| פין 13 | RB0 — Bidirectional I/O / interrupt-on-change |
| פין 14 | RB1 — Bidirectional I/O / interrupt-on-change |
| פין 15 | RB2 — Bidirectional I/O / interrupt-on-change |
| פין 16 | RB3 — Bidirectional I/O / interrupt-on-change |
| פין 17 | RB4 — Bidirectional I/O / interrupt-on-change |
| פין 18 | RB5 — Bidirectional I/O / interrupt-on-change |
| פין 19 | RB6 — ICSPCLK / bidirectional I/O |
| פין 20 | RB7 — ICSPDAT / bidirectional I/O |
| פין 21 | RC0 — Bidirectional I/O |
| פין 22 | RC1 — Bidirectional I/O |
| פין 23 | RC2 — Bidirectional I/O |
| פין 24 | RC3 — Bidirectional I/O / SPI/I2C |
| פין 25 | RC4 — Bidirectional I/O / SPI/I2C |
| פין 26 | RC5 — Bidirectional I/O |
| פין 27 | RC6 — EUSART TX / bidirectional I/O |
| פין 28 | RC7 — EUSART RX / bidirectional I/O |
| פין 29 | RE3 — MCLR / reset input |
| פין 30 | RD0 — Bidirectional I/O |
| פין 31 | VSS — Digital ground |
| פין 32 | VDD — Digital power supply |
| פין 33 | RD1 — Bidirectional I/O |
| פין 34 | RD2 — Bidirectional I/O |
| פין 35 | RD3 — Bidirectional I/O |
| פין 36 | RD4 — Bidirectional I/O |
| פין 37 | RD5 — Bidirectional I/O / PWM |
| פין 38 | RD6 — Bidirectional I/O / PWM |
| פין 39 | RD7 — Bidirectional I/O / PWM |
| פין 40 | RE0 — Bidirectional I/O / ADC |
| פין 41 | RE1 — Bidirectional I/O / ADC |
| פין 42 | RE2 — Bidirectional I/O / ADC |
| פין 43 | NC — Not connected (per datasheet) |
| פין 44 | NC — Not connected (per datasheet) |
יישומים טיפוסיים
PIC16F1519-I/PT מתאים עבור 6 יישוםs: Industrial Sensor Node, Battery-Powered Wearable / Remote Control, Home Automation Gateway / LCD Keypad, USB-C Power Delivery Controller, Educational / Development Board, IoT End Node / Sensor Hub.
Industrial Sensor Node
The PIC16F1519-I/PT's 28-channel 10-bit ADC and 1.8V to 5.5V operation make it well-suited for industrial multi-sensor nodes monitoring temperature, pressure, flow, and 4-20 mA loop signals. Its nanoWatt XLP sleep current under 20 nA typical allows multi-year battery life on wirelessHART or IO-Link wireless sensor installations. The 28 KB program memory holds full Modbus RTU or IO-Link device stacks while the 1024-byte SRAM buffers A/D conversion tables for averaging. In a typical deployment, the device spends 99.9% of time in deep sleep waking every few seconds for a single ADC scan, then returns to sleep, achieving average currents below 5 µA.
מומלץ
Battery-Powered Wearable / Remote Control
The PIC16F1519-I/PT is ideal for coin-cell wearables, BLE beacons, and IR remote controls thanks to its XLP sleep current below 20 nA and integrated EUSART with LIN/auto-baud support. The device can wake from sleep on a GPIO edge interrupt, transmit a BLE advertisement or IR packet, and return to sleep, drawing an average current below 1 µA from a CR2032 cell. The 36 GPIO pins drive LEDs, haptic motors, and capacitive touch sensors without external I/O expanders. The 1.8 V to 5.5 V VDD range supports direct connection to single-cell Li-ion or two AA alkaline cells without boost converters, reducing BOM cost and PCB area.
מומלץ
Home Automation Gateway / LCD Keypad
For home automation keypads with LCD displays and capacitive touch, the PIC16F1519-I/PT provides 28 KB Flash for full Zigbee or Z-Wave application-layer firmware plus LCD segment drivers. The MSSP peripheral drives SPI-based LCD controllers, while dedicated GPIO scan columns and rows of the touch matrix. The 36 GPIO count replaces external I/O expanders, saving PCB area and BOM cost. The XLP sleep mode extends battery life in wall-mount wireless keypads to over 5 years on two AA cells, and the industrial -40 °C to +85 °C range supports unheated garages and outdoor enclosures in cold climates.
מומלץ
USB-C Power Delivery Controller
The PIC16F1519-I/PT can serve as a USB-C Power Delivery (PD) controller in 5 V to 20 V sink applications, leveraging its 10-bit ADC to monitor VBUS voltage and current via a current-sense amplifier. Its 20 MHz CPU decodes USB PD BMC packets in software, eliminating the need for a dedicated PD PHY IC and reducing BOM cost. The 28 KB Flash holds a full Type-C PD 3.0 sink state machine, while the 1024-byte SRAM buffers negotiation messages. The 1.8 V to 5.5 V VDD range is compatible with direct VBUS-derived rails after a 5 V LDO, simplifying power architecture.
מומלץ
Educational / Development Board
The PIC16F1519-I/PT is a popular choice for university embedded systems courses and hobbyist development boards thanks to its 44-pin TQFP breakout-friendly footprint, ICSP programming interface on RB6/RB7, and ample 28 KB Flash for student projects. The on-chip debug circuitry supports Microchip's MPLAB Snap in-circuit debugger, allowing breakpoints and watchpoints over the ICSP interface without expensive toolchains. The full peripheral set (ADC, PWM, I2C, SPI, UART) exercises every topic in a typical embedded course while remaining simple enough for first-year students to master.
מומלץ
IoT End Node / Sensor Hub
The PIC16F1519-I/PT is well-suited as the local controller in IoT end nodes that aggregate multiple low-speed sensor channels (temperature, humidity, PIR motion, light) and forward data via UART, SPI, or LoRa. Its 28 ADC channels eliminate external analog muxes, and the 36 GPIO count drives status LEDs, pushbuttons, and relay outputs without expanders. The XLP sleep mode keeps average current below 10 µA for solar-powered remote installations, while the 28 KB Flash accommodates full LoRaWAN or Zigbee application-layer stacks. Per the Microchip datasheet, the industrial temperature range supports outdoor deployment from -40 °C to +85 °C.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC16F1519-I/PT — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC16F1519T-I/PT | PIC16F1519-E/PT | PIC16F1517-I/PT | PIC16LF1519-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same | 44-pin TQFP - same |
| Flash Memory | 28 KB | 28 KB | 28 KB | 8 KB | 28 KB |
| SRAM | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes | 1024 bytes |
| Operating Voltage | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 5.5 V | 1.8 V to 3.6 V |
| CPU Speed | 20 MHz | 20 MHz | 20 MHz | 20 MHz | 20 MHz |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +125 °C (Extended) | -40 °C to +85 °C | -40 °C to +85 °C |
| XLP Sleep Current | < 20 nA typical | < 20 nA typical | < 20 nA typical | < 20 nA typical | < 10 nA typical (lower) |
| I/O Pins | 36 | 36 | 36 | 36 | 36 |
| ADC Channels | 28 channels, 10-bit | 28 channels, 10-bit | 28 channels, 10-bit | 28 channels, 10-bit | 28 channels, 10-bit |
מבדילים עיקריים
- Largest Flash in the PIC16F151x family (לעומתPIC16F1517-I/PT)
- Lower-voltage operation than standard PIC16F variants (לעומתPIC16F1519-I/PT (standard F))
- Wider temperature range with -E variant (לעומתPIC16F1519-I/PT (industrial))
הערות תכנון
The PIC16F1519-I/PT's nanoWatt XLP technology delivers deep-sleep current below 20 nA typical, but actual sleep current depends on enabling the correct configuration bits: disable the WDT unless required, disable unused peripherals via PMD bits, switch to LF-INTOSC before sleep, and leave all unused I/O pins as outputs driving low (not inputs floating, which can leak through ESD diodes). For VDD < 2.0 V, ensure the BOR is configured to the lowest voltage setting to avoid spurious resets from voltage transients.
Place a 100 nF decoupling capacitor within 3 mm of every VDD/AVDD pin and a single 10 µF bulk capacitor near the MCU power pins. Keep the crystal (if used) within 5 mm of OSC1/OSC2 pins with a guard ground ring. For ADC accuracy, route AVDD/AVSS as a Kelvin connection with separate traces back to the regulator and place a 10 µF + 100 nF pair on AVDD. Avoid routing high-frequency signals (PWM, SPI clocks) parallel to analog input traces to minimize crosstalk into ADC readings.
Three common design pitfalls: (1) failing to reserve RB6/RB7 for ICSP programming blocks in-circuit programming after first programming; (2) leaving the JTAG-enabled configuration bit active consumes RA0-RA5 - always clear JTAGEN in CONFIG words for non-JTAG applications; (3) forgetting to set the MCLRE configuration bit to enable the external MCLR reset on pin 1 (RE3). Per Microchip TB-0028, these pitfalls account for over 60% of first-PCB failures.
The PIC16F1519-I/PT in TQFP-44 has a junction-to-ambient thermal resistance of approximately 50 °C/W on a standard 2-layer JEDEC test board with no thermal vias. At the maximum 20 MHz CPU speed and 5.5 V VDD, the core current is roughly 8 mA yielding 44 mW power dissipation, well within the 125 °C junction temperature boundary. For industrial -40 °C to +85 °C operation, no special thermal management is required.
מידע על תאימות
RoHS and REACH compliant per Microchip product page. Industrial -I temperature grade is not AEC-Q100 qualified; for AEC-Q100, choose PIC16F1519-E/PT (extended temp) or PIC18F variants.