PIC32MX170F512LT-V/PF - 50MHz 512KB Flash MCU | Microchip
MPN: PIC32MX170F512LT-V/PF ✓ NakahandaPIC32MX170F512LT-V/PF Ulas
A microcontroller (MCU) is a single-chip processor that integrates a CPU core, volatile memory (RAM), non-volatile program memory (Flash), and a rich set of peripherals (UART, SPI, I2C, ADC, timers, PWM, I/O) into a single IC. Within the broader semiconductor taxonomy, an MCU sits under microcontrollers -> microcontrollers and processors -> integrated circuits. PIC32MX is Microchip's 32-bit extension of the legacy PIC architecture and is widely used where deterministic real-time behavior and a mature toolchain (MPLAB X, Harmony) are required.
Key features include two I2S interfaces and four SPI modules for audio codec and serial communications, Peripheral Pin Select (PPS) for flexible pin function remapping, a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces, a 10-bit 1 Msps ADC with up to 48 channels, a Charge Time Measurement Unit (CTMU) for touch and capacitive sensing, and a USB 2.0 Full-Speed device/host/OTG controller. The MIPS M4K core delivers 1.56 DMIPS/MHz and supports single-cycle multiply, hardware divide, and a 5-stage pipeline.
Typical applications include industrial control and HMI panels with TFT displays, USB peripherals, audio playback with I2S DACs, motor control (BLDC/PMSB), capacitive touch user interfaces, and low-cost connectivity bridges (USB-to-UART/SPI). The 512 KB Flash comfortably accommodates USB stacks, graphics libraries, and a real-time OS (FreeRTOS, OpenRTOS) when needed.
When designing with this part, note that the 100-pin TQFP (14x14 mm) package exposes the full peripheral set including the parallel bus, all ADC inputs, and USB D+/D-; the smaller 64-pin TQFP (PT) variants sacrifice some of these pins. Always check the pinout spreadsheet in the datasheet when migrating between package options.
Mga alternatibo na pwedeng ilagay na PIC32MX170F512LT-V/PF — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok PIC32MX170F512LT-V/PF (parehas na form factor at footprint) — pagkakaiba sa ADC, Parallel Master Port (PMP), Operating Temperature Range, SPI Modules, UART Modules.
PIC32MX170F512LT-I/PF
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC32MX170F512L-I/PF
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC32MX170F512L-50I/PF
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC32MX150F256LT-V/PF
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC32MX150F256L-50I/PF
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC32MX130F128LT-V/PF
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC32MX170F512LT-V/PF Mga Pinakamataas na Rating at Electrical Characteristics
| Core | MIPS32 M4K |
| Architecture | 32-bit RISC |
| Maximum CPU Frequency | 50 MHz |
| Performance | 83 DMIPS |
| Program Memory | 512 KB Flash |
| Data Memory (SRAM) | 64 KB |
| Operating Voltage (VDD) | 2.3 V to 3.6 V |
| I/O Voltage | 5 V tolerant |
| Temperature Range | -40C to +105C (V grade) |
| Packhaging | 100-pin TQFP (PF), 14x14 mm |
| ADC | 10-bit, up to 48 channels, 1 Msps |
| USB | USB 2.0 Full-Speed Device/Host/OTG |
| SPI Modules | 4 |
| I2S Modules | 2 |
| UART Modules | 5 |
| I2C Modules | 4 |
| PMP (Parallel Master Port) | Yes (with dual buffers) |
| CTMU (Touch/Capacitive Sense) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Tindminan RoHS | Compliant |
Gabay sa Pin Configuration ng PIC32MX170F512LT-V/PF 100-pin tqfp (pf), 14x14 mm
Pin configuration para sa PIC32MX170F512LT-V/PF (100-pin tqfp (pf), 14x14 mm package). Kasama sa digital IC na ito ang GPIO, mga communication interface (UART, SPI, I2C), at mga power pin. Sumangguni sa datasheet ng manufacturer para sa mga alternatibong function ng pin at mga opsyon sa configuration. Mahalaga para sa disenyo ng embedded system at PCB layout.
Wala ng detalyadong pinout data na magagamit para sa PIC32MX170F512LT-V/PF.
Sumangguni sa datasheet para sa buong pin configuration.
Tipikal na mga Gamit
PIC32MX170F512LT-V/PF ay nararapat para sa 6 aplikasyons: Industrial HMI with TFT LCD, USB Audio Device, Capacitive Touch User Panel, USB-to-UART/SPI Bridge, BLDC / DC Motor Drive Controller, Low-Cost Connectivity Gateway.
Industrial HMI with TFT LCD
The PIC32MX170F512LT-V/PF drives TFT color displays in industrial HMI panels via its integrated Parallel Master Port (PMP) with dual read/write buffers. The PMP supports 8/16-bit parallel data plus dedicated control signals (RD, WR, CS, RS) directly connecting to most TFT controllers without an external bus bridge. The 50 MHz M4K core delivers 83 DMIPS, easily handling 16-bit color framebuffer updates, touch input scanning, and menu navigation. The V-grade -40C to +105C temperature range and 512 KB Flash comfortably accommodate a USB stack, a graphics library, and application logic. Compared to a small Cortex-M0+, the PIC32MX170's PMP removes the need for an external display controller IC, reducing BOM cost and PCB area.
Inirekomenda
USB Audio Device
The PIC32MX170F512LT-V/PF is a strong fit for USB audio peripherals such as USB speakers, USB headsets, and USB DAC interfaces. Its integrated USB 2.0 Full-Speed (12 Mbps) controller supports USB Audio Class 1.0 without an external PHY, and its dual I2S modules drive external audio DACs at sample rates up to 192 kHz. The 64 KB SRAM provides ample I2S buffer headroom, while the 512 KB Flash holds a USB Audio Device stack plus the audio processing firmware. The M4K core's single-cycle multiply is useful for sample-rate conversion and digital filter computation. Compared to USB-only MCUs lacking I2S, the PIC32MX170 integrates both peripherals, simplifying USB connectivity and audio streaming in one chip.
Inirekomenda
Capacitive Touch User Panel
The PIC32MX170F512LT-V/PF provides hardware capacitive touch sensing via its on-chip Charge Time Measurement Unit (CTMU), eliminating the need for an external touch controller. The CTMU produces precise current sources that are routed through Peripheral Pin Select (PPS) to any GPIO, enabling buttons, sliders, and wheels to be implemented with copper pads directly on the PCB. The 10-bit 1 Msps ADC samples up to 48 channels, allowing the same MCU to also read analog sensors, temperature, and supply voltages. The 50 MHz core runs touch-scan scheduling, debouncing, and the user application. Compared to discrete touch solutions, the integrated CTMU reduces BOM cost, PCB area, and firmware complexity.
Inirekomenda
USB-to-UART/SPI Bridge
The PIC32MX170F512LT-V/PF is widely used as a USB-to-UART/SPI/I2C bridge in industrial and embedded designs because it integrates USB 2.0 Full-Speed, five UART modules, four SPI, and four I2C controllers in a single chip. The Microchip USB CDC (UART) and vendor (bulk endpoint) stacks run directly on the M4K core at 50 MHz, achieving 12 Mbps USB throughput without external components. The 512 KB Flash accommodates a full USB stack plus multi-protocol bridging firmware, while 64 KB RAM handles USB ping-pong endpoints. The V temperature grade and 5 V-tolerant I/O simplify interfacing to legacy industrial equipment. Compared to dedicated bridge chips (e.g., FTDI), the PIC32MX170 provides firmware-upgradeable flexibility.
Inirekomenda
BLDC / DC Motor Drive Controller
The PIC32MX170F512LT-V/PF drives BLDC, PMSM, and DC motors via its PWM timers, quadrature encoder interfaces, and high-speed ADC. The 10-bit 1 Msps ADC samples back-EMF, phase currents, and DC-bus voltage simultaneously, while the 50 MHz M4K core computes FOC (field-oriented control) loops at typical 10-20 kHz update rates. Peripheral Pin Select (PPS) routes PWM outputs, encoder inputs, and fault signals to any GPIO, simplifying PCB layout. The V-grade temperature range supports industrial motor drives. Compared to 8-bit PIC16/dsPIC30, the PIC32MX170's 32-bit MIPS core and large Flash enable sophisticated control algorithms and Bluetooth/USB telemetry in the same chip.
Inirekomenda
Low-Cost Connectivity Gateway
The PIC32MX170F512LT-V/PF is used as a low-cost connectivity gateway bridging UART, SPI, and I2C peripherals to USB hosts or to upstream MCUs. The integrated USB device/host/OTG controller supports both USB peripherals (media, mass storage) and connected USB hosts (FTDI phone), and the dual I2S plus four SPI permit simultaneous audio and sensor data aggregation. The 512 KB Flash accommodates TLS/SSL client libraries (e.g., wolfSSL), Wi-Fi/BLE HCI command translation, and buffering for protocol conversions. Compared to dedicated protocol-converter ASICs, the PIC32MX170 is firmware-upgradeable and reusable across multiple product variants, simplifying connectivity and reducing qualification effort.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for PIC32MX170F512LT-V/PF — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | PIC32MX170F512LT-I/PF | PIC32MX170F512L-I/PF | PIC32MX170F512L-50I/PF | PIC32MX150F256LT-V/PF |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (PF) 14x14 mm | 100-pin TQFP (PF) 14x14 mm - same | 100-pin TQFP (PF) 14x14 mm - same | 100-pin TQFP (PF) 14x14 mm - same | 100-pin TQFP (PF) 14x14 mm - same |
| Core | MIPS32 M4K 50 MHz | MIPS32 M4K 50 MHz | MIPS32 M4K 50 MHz | MIPS32 M4K 50 MHz | MIPS32 M4K 50 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB (-50%) |
| Temperature Range | -40C to +105C (V) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I, -50) | -40C to +105C (V) |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
| I2S Modules | 2 | 2 | 2 | 2 | 2 |
| ADC | 10-bit, 1 Msps, up to 48 ch | 10-bit, 1 Msps, up to 48 ch | 10-bit, 1 Msps, up to 48 ch | 10-bit, 1 Msps, up to 48 ch | 10-bit, 1 Msps, up to 48 ch |
Pangunahing mga Pagkakaiba
- Highest-density 100-pin TQFP variant with V-grade temperature range (kumpara saPIC32MX170F512LT-I/PF)
- Largest Flash + SRAM in the PIC32MX150/170/130 family at this package (kumpara saPIC32MX150F256LT-V/PF)
- Higher CPU performance versus PIC32MX1xx in same package (kumpara saPIC32MX130F128LT-V/PF)
Talaan ng Disenyo
Estimated: At 50 MHz with all peripherals enabled and USB active, the PIC32MX170F512LT-V/PF typically draws 30-50 mA from a 3.3 V supply (approximately 100-165 mW). Decouple VDD + VCC with a 10 uF bulk + 100 nF ceramic capacitor pair close to the IC pins, plus a separate 100 nF cap on each AVDD pin pair. Place the ferrite bead between digital VDD and analog AVDD to isolate ADC reference noise. For USB applications, ensure VBUS sensing is wired through a voltage divider to a 5 V-tolerant input.
Keep the 50 MHz trace lengths short, especially for the primary oscillator (POSC) pins (OSC1/OSC2 or SOSC) and the 48 MHz USB clock. Use a 4-layer PCB with a continuous ground plane for clean return paths; route high-speed USB D+/D- as a 90 ohm differential pair with matched impedance. Place the decoupling caps within 3 mm of their respective VDD/PVDO pins. The exposed pad (EP) on the bottom of the package must be soldered to a grounded copper pour for thermal dissipation.
Do not assume the 100-pin TQFP /PF variant exposes all peripheral signals - some PIC32MX170 family pins differ between packages, so always check the family pinout spreadsheet. The MCLR reset pin must be pulled high through a 10 kohm resistor to VDD; do not leave it floating. Programming via ICSP requires PGECx/PGEDx to be accessible (with no series resistors greater than 5 kohm). When migrating from the smaller 64-pin TQFP /PT, several pins including extra ADC inputs, PMP data lines, and additional I/O ports will be missing.
Impormasyon ng Pagsunod sa Kautusan
RoHS compliant per Microchip product page. V temperature grade is industrial/automotive in-cabin but NOT AEC-Q100 qualified; for AEC-Q100 applications consult Microchip automotive PIC32 portfolio. Conflict-minerals compliance per Microchip statement.