PIC32MX170F512LT-50I/PF - 50MHz 512KB Flash 32-bit MCU | Microchip
Артикул: PIC32MX170F512LT-50I/PF ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $6.2 | $6,20 |
| 10 | $5.61 | $56,10 |
| 100 | $4.95 | $495,00 |
| 500 | $4.4 | $2.200,00 |
| 1.000 | $3.92 | $3.920,00 |
PIC32MX170F512LT-50I/PF Обзор
A 32-bit microcontroller (MCU) is a programmable processor core, on-chip memory, and a rich set of peripherals integrated onto a single die. The PIC32MX170 family is positioned as a mid-range 32-bit MCU within the broader PIC32MX portfolio, sitting between the entry-level PIC32MX1xx and higher-end PIC32MX5xx/7xx series. It targets embedded applications that need more performance than an 8/16-bit MCU can deliver, while remaining cost-effective and supported by the MPLAB X IDE ecosystem.
Key features include 512 KB Flash program memory, 64 KB SRAM, 50 MHz / 83 DMIPS core performance, Peripheral Pin Select (PPS) for flexible pin routing, two I2S and four SPI modules for audio and serial communication, a Parallel Master Port (PMP) for graphics interfaces, USB 2.0 full-speed device/host/OTG, a 10-bit 1 Msps ADC with up to 48 channels, four general-purpose 16-bit timers, and an integrated CTMU for capacitive touch sensing. The wide operating voltage range of 2.3V to 3.6V allows direct connection to Li-ion or 3.3V system rails.
Architecturally, the PIC32MX170F512L uses the MIPS32 M4K Harvard architecture with separate instruction and data buses, hardware multiply/divide, and a 5-stage pipeline. PPS remaps digital peripherals to nearly any I/O pin, simplifying PCB layout. The part integrates USB, PMP, and CTMU blocks that historically required external chips on smaller PIC24/dsPIC parts.
Typical applications include consumer audio devices (Bluetooth speakers, soundbars, MP3 players), USB peripherals such as HID/HID-class devices, low-cost graphics HMI with PMP-driven LCDs, capacitive touch user interfaces using CTMU, and home/industrial IoT nodes where 32-bit headroom is needed for stacks such as USB, TCP/IP, or RTOS-based control.
When designing with this MCU, ensure the 50 MHz core clock configuration respects the VDD minimum of 2.3V and that decoupling is placed close to all VDD/VSS pairs. For USB designs, the internal USB transceiver requires a 48 MHz PLL lock and a tuned series resistor on D+/D- lines. MPLAB XC32 compilers provide free optimization levels for this part, and the Harmony framework provides pre-validated USB, graphics, and touch libraries.
This page synthesizes distributor pricing, drop-in alternatives within the PIC32MX family, and practical design notes (PPS routing, CTMU touch layout, USB impedance) not found in the manufacturer datasheet alone.
Аналоги без доработки для PIC32MX170F512LT-50I/PF — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC32MX170F512LT-50I/PF (тот же форм-фактор и посадочное место) — отличается по ADC, Parallel Master Port (PMP), Core Architecture, Operating Temperature Range, SPI Modules.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC32MX170F512L-50I/PF
✅ Прямая замена✓ В наличии
$5.55 / шт.
Открыть даташит →PIC32MX170F512L-I/PF
✅ Прямая замена✓ В наличии
$6.45 / шт.
Открыть даташит →PIC32MX170F512LT-50I/PT
✅ Прямая замена✓ В наличии
$3.85 / шт.
Открыть даташит →PIC32MX570F512L-50I/PF
✅ Прямая замена📋 Справочный аналог (нет в каталоге)
PIC32MX150F256LT-50I/PF
✅ Прямая замена✓ В наличии
$4.65 / шт.
Открыть даташит →PIC32MX170F512LT-50I/PF Максимальные параметры и электрические характеристики
| Core Architecture | MIPS32 M4K, 32-bit |
| Maximum CPU Frequency | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 64 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| ADC | 10-bit, 1 Msps, up to 48 channels |
| USB Module | USB 2.0 Full-Speed Device/Host/OTG |
| I2S Modules | 2 |
| SPI Modules | 4 |
| Parallel Master Port (PMP) | Yes, with dual read/write buffers |
| Peripheral Pin Select (PPS) | Yes |
| CTMU (Capacitive Touch) | Yes |
| General Purpose Timers | 4 x 16-bit |
| Корпус | 100-pin TQFP (14x14 mm) |
| Тип монтажа | Surface Mount |
| Рабочая температура | -40C to +85C (Industrial) |
| Статус RoHS | Compliant |
| Lead-Free | Yes |
Конфигурация выводов PIC32MX170F512LT-50I/PF
| Контакт 1 | RG15 — I/O port RG15 (PPS remappable) |
| Контакт 10 | RB14 — I/O port RB14 / CVREF (PPS) |
| Контакт 20 | RB6 — I/O port RB6 / PGEC2 (PPS) |
| Контакт 30 | RD14 — I/O port RD14 (PMP) |
| Контакт 40 | RC13 — I/O port RC13 (PPS) |
| Контакт 50 | RA0 — I/O port RA0 (PPS) |
| Контакт 60 | VUSB — USB 3.3V regulator output (USB module) |
| Контакт 70 | D+ — USB D+ data line |
| Контакт 80 | RF0 — I/O port RF0 (PPS) |
| Контакт 90 | RG0 — I/O port RG0 (PPS) |
| Контакт 100 | RG14 — I/O port RG14 (PPS) |
Типичное применение
PIC32MX170F512LT-50I/PF подходит для 7 применениеs: Consumer Audio Devices (Soundbars, Bluetooth Speakers), USB HID / CDC Peripherals, Capacitive Touch User Interfaces (CTMU), Low-Cost Graphics HMI with PMP-LCD, Home / Industrial IoT Edge Nodes, Industrial Control and Motor Triggers, Medical Device User Interfaces and Monitoring.
Consumer Audio Devices (Soundbars, Bluetooth Speakers)
The PIC32MX170F512LT-50I/PF's 50 MHz MIPS32 M4K core and 64 KB SRAM deliver enough DSP headroom for MP3/AAC decoding and basic audio mixing, while the dual I2S ports allow direct connection to external audio codecs. The 512 KB Flash fits full firmware stacks for Bluetooth hands-free profiles, EQ presets, and LED feedback logic. With 2.3-3.6 V VDD, the part runs directly from a Li-ion or USB 5V-regulated rail, simplifying power design.
Рекомендуется
USB HID / CDC Peripherals
The integrated USB 2.0 Full-Speed controller (device/host/OTG) makes the PIC32MX170F512LT-50I/PF ideal for HID-class devices such as keyboards, mice, game controllers, and CDC virtual COM ports. The 50 MHz CPU sustains full-speed USB polling and protocol handling, while 64 KB SRAM is sufficient for HID report buffers and CDC line-coding state. The Microchip MLA USB stack and MPLAB Harmony framework provide production-ready USB class drivers.
Рекомендуется
Capacitive Touch User Interfaces (CTMU)
The integrated CTMU (Charge Time Measurement Unit) and 10-bit 1 Msps ADC allow the PIC32MX170F512LT-50I/PF to implement capacitive touch buttons, sliders, and proximity sensors without external touch ICs. PPS lets the designer assign touch channels to almost any I/O pin, simplifying PCB layout. With up to 48 ADC channels, the part supports mid-sized touch panels (8-16 buttons) in appliances, white goods, and consumer electronics.
Рекомендуется
Low-Cost Graphics HMI with PMP-LCD
The Parallel Master Port (PMP) with dual read/write buffers drives small TFT LCDs (up to 480x272 QVGA) directly from the PIC32MX170F512LT-50I/PF, eliminating external graphics controllers. Combined with 512 KB Flash for bitmap assets and 64 KB SRAM for frame buffering, the part is well suited to appliance HMI, industrial operator panels, and medical device user interfaces. The 50 MHz core sustains smooth menu rendering at 30+ fps.
Рекомендуется
Home / Industrial IoT Edge Nodes
The 50 MHz MIPS32 M4K core and 512 KB Flash on the PIC32MX170F512LT-50I/PF can host lightweight TCP/IP stacks (TCP/IP Lite, MPLAB Harmony Net), Modbus RTU/TCP, or RTOS kernels (FreeRTOS, OpenRTOS) for IoT edge nodes. The four SPI ports connect to radios (Wi-Fi, LoRa, Sub-GHz), and the two I2S ports support local audio playback. With 2.3-3.6 V VDD, the part operates directly from battery or 3.3V regulated rails common in IoT gateways.
Рекомендуется
Industrial Control and Motor Triggers
Although the PIC32MX170F512LT-50I/PF is not a dedicated motor controller, its 50 MHz core, four 16-bit timers with PWM, and PMP interface make it a capable trigger controller for stepper and BLDC pre-drivers. The 64 KB SRAM buffers control loops and the four SPI ports interface to gate drivers and position sensors. Industrial -40C to +85C temperature grade (PIC32MX170F512L-I/PF) supports factory-floor deployment.
Рекомендуется
Medical Device User Interfaces and Monitoring
The PIC32MX170F512LT-50I/PF's USB CDC capability, CTMU for capacitive touch, and 10-bit ADC for sensor readout make it well-suited to medical device front panels such as glucose meters, infusion pump keypads, and portable patient monitors. Its deterministic MIPS pipeline simplifies FDA/IEC 62304 software validation, and the 512 KB Flash accommodates safety stack libraries. Pair with low-noise op-amps for ECG front-ends or temperature-sensor conditioning.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC32MX170F512LT-50I/PF — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC32MX170F512L-50I/PF | PIC32MX170F512L-I/PF | PIC32MX570F512L-50I/PF | PIC32MX150F256LT-50I/PF |
|---|---|---|---|---|---|
| Package | 100-pin TQFP (14x14 mm) | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same | 100-pin TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Frequency | 50 MHz (83 DMIPS) | 50 MHz | 50 MHz | 120 MHz (120 DMIPS) | 50 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| USB Module | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | None |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Instruction Cache | None | None | None | 8 KB | None |
Ключевые отличия
- Identical die with tray packaging for lower-cost production (против PIC32MX170F512L-50I/PF)
- USB 2.0 Full-Speed OTG integrated (против PIC32MX150F256LT-50I/PF)
- Higher CPU performance upgrade path (против PIC32MX570F512L-50I/PF)
- Lower Flash density alternative for cost-sensitive designs (против PIC32MX170F256B-I/SS)
Заметки по проектированию
Place a 10 uF bulk capacitor plus 0.1 uF decoupling cap on each VDD/VSS pair of the PIC32MX170F512LT-50I/PF, located within 5 mm of the package pins. The USB 3.3V regulator output (VUSB) requires its own 0.1 uF + 10 uF capacitor pair even if USB is unused, since the internal LDO remains active. Run all four VDD pins (pin 14, 38, 62, 86) and corresponding VSS pins (pin 13, 39, 63, 85) directly to power planes with vias placed near each pin.
For USB device designs, route the D+ and D- traces as a 90 ohm differential pair with length matching within 2 mm. Place the 27 ohm series termination resistors within 5 mm of the MCU pins. The VUSB pin decoupling must be within 5 mm. Keep high-speed digital traces (PMP data bus) at least 3 mm away from the USB differential pair to minimize crosstalk.
The Peripheral Pin Select (PPS) feature allows remapping of most digital peripherals to any remappable I/O pin, but analog functions (ADC inputs, CVREF, VREF+, VREF-) and the oscillator pins (OSC1/OSC2, SOSCO/SOSCI) are fixed. Plan pin assignments early in the design - changing PPS mapping in firmware is easy, but PCB rework for fixed-function pin conflicts is not. Reserve an exclusive analog pin cluster for ADC inputs to avoid noise coupling from digital PPS pins.
Do not exceed 50 MHz system clock on the PIC32MX170F512L family - the PIC32MX570 variant is required for 120 MHz operation. When migrating firmware from PIC32MX150 to PIC32MX170, note that USB configuration registers differ between the two series despite the same MPLAB Harmony API. For CTMU touch designs, calibrate the current source trim register (CTMUCON<1:0>) per PCB layout - parasitic capacitance varies significantly with trace length.
For PMP-driven LCD interfaces, add 33 ohm series resistors on PMP data lines (PMD<15:0>) near the MCU to dampen reflections on cables longer than 50 mm. Place a ground guard trace between the PMP bus and adjacent analog input pins to reduce coupling. If using the parallel master port with frame buffering, set PMA<15:0> address setup time to at least 10 ns to meet typical TFT controller requirements.
Информация о соответствии
RoHS compliant and lead-free per Microchip product page. Industrial-grade -I suffix variant supports -40C to +85C. Not AEC-Q100 qualified; for automotive applications contact Microchip for PIC32MX AEC-Q100 equivalents.
