PIC32MX470F512LT-120/PF - 120MHz 32-bit MCU 512KB Flash | Microchip
MPN: PIC32MX470F512LT-120/PF ✓ نشطPIC32MX470F512LT-120/PF نظرة عامة
Background Knowledge - what is a 32-bit MCU? A 32-bit microcontroller is a single-chip processor with a 32-bit data path, registers, and ALU, providing higher throughput, larger address space, and richer peripheral integration than 8-bit or 16-bit alternatives. Within the broader semiconductor taxonomy, PIC32MX devices are flash-based general-purpose MCUs that sit between 16-bit dsPIC and 32-bit SAM families. They are commonly deployed where an 8-bit MCU lacks headroom but a full application processor is unnecessary.
Key features of the PIC32MX470F512LT-120/PF include a 5-stage pipelined MIPS32 M4K core with MIPS16e code compression (up to 40% smaller code), a 10-bit ADC with up to 28 analog input channels, two comparators, two I2C and two SPI/I2S ports, four UART modules, USB 2.0 full-speed On-The-Go (OTG), five PWM channels, two DMA channels, a 16-bit Parallel Master Port (PMP/EPMP) for graphics or external memory, CTMU for capacitive touch, RTCC with calendar, and Idle/Sleep low-power modes. It operates from 2.3 V to 3.6 V across the -40 C to +105 C industrial temperature range.
Architecture and process - the device uses a 5-stage pipeline that allows single-cycle Flash access with prefetch, a multi-vectored interrupt controller, and an integrated 8 MHz FRC oscillator with PLL options up to 120 MHz. The peripheral set is accessed via separate APB and AHB-style buses, with DMA offload for ADC, UART, SPI, and I2C transactions. Code is executed directly from Flash with a prefetch cache, eliminating external memory for most embedded GUI and audio applications.
Typical applications include industrial HMI with TFT-LCD panels, USB peripherals (HID, CDC, mass storage), audio processing up to MP3/AAC decode, capacitive touch keypads, IoT edge nodes with USB debugging, and graphical control panels on appliances and instrumentation. The combination of USB OTG and PMP graphics makes this MCU a popular choice for low-cost graphical HMI front panels.
When designing with the PIC32MX470F512LT-120/PF, place decoupling capacitors (100 nF + bulk) close to every VDD/VSS pair, route the 12 MHz crystal traces symmetrically with grounded guard, and keep the USB DP/DM differential pair length-matched within 150 mil. The PMP data bus should be series-terminated if the panel cable exceeds 50 mm. MPLAB X IDE plus XC32 compiler provides a free toolchain.
This page consolidates pricing tiers, drop-in PIC32MX alternatives, and design notes not found in the manufacturer datasheet to accelerate your design-in.
بدائل مباشرة لـ PIC32MX470F512LT-120/PF — 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 PIC32MX470F512LT-120/PF (نفس عامل الشكل والبصمة) — يختلف في Package, ADC, Operating Temperature Range, USB, I/O Pins.
PIC32MX470F512L-120/PF
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC32MX470F512L-120/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC32MX470F512LT-120/PT
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC32MX470F512LT-I/PF
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC32MX370F512LT-120/PF
✅ بديل مباشر📋 بديل مرجعي (غير موجود في الكتالوج)
PIC32MX450F256LT-120/PF
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC32MX470F512LT-120/PF الحدود القصوى والخصائص الكهربائية
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock | 120 MHz |
| DMIPS Performance | 150 DMIPS |
| Program Flash Memory | 512 KB |
| SRAM | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| نطاق درجة حرارة التشغيل | -40 C to +105 C |
| العلبة | 100-pin TQFP (14x14 mm, 0.4 mm pitch) |
| نوع التركيب | Surface Mount |
| Shipping Form | Tape & Reel (T suffix) |
| ADC | 10-bit, up to 28 channels |
| Comparators | 2 |
| UART Modules | 4 |
| SPI / I2S Modules | 2 |
| I2C Modules | 2 |
| USB | USB 2.0 Full-Speed OTG |
| PWM Channels | 5 |
| DMA Channels | 2 |
| Parallel Master Port | PMP/EPMP for graphics or external memory |
| Code Compression | MIPS16e (up to 40% code-size reduction) |
| حالة RoHS | Compliant |
تكوين أطراف PIC32MX470F512LT-120/PF
| دبوس 1 | RP15/RD15 — Remappable I/O / PMP data bit |
| دبوس 2 | RP14/RD14 — Remappable I/O / PMP data bit |
| دبوس 3 | SDA2/RA2 — I2C2 data or GPIO |
| دبوس 4 | SCL2/RA3 — I2C2 clock or GPIO |
| دبوس 5 | RA4 — GPIO / OC5 |
| دبوس 6 | RA5 — GPIO / Timer |
| دبوس 7 | RA6 — GPIO |
| دبوس 8 | RA7 — GPIO |
| دبوس 9 | RB0 — GPIO / OC1 / CTED1 |
| دبوس 10 | RB1 — GPIO / OC2 |
| دبوس 11 | RB2 — GPIO / OC3 |
| دبوس 12 | TMS/RA0 — JTAG TMS / GPIO |
| دبوس 13 | TCK/RA1 — JTAG TCK / GPIO |
| دبوس 14 | TDI/RB13 — JTAG TDI / GPIO |
| دبوس 15 | TDO/RB12 — JTAG TDO / GPIO |
| دبوس 16 | VBUS — USB VBUS detect |
| دبوس 17 | VUSB — USB 3.3V LDO output (10 uF bypass required) |
| دبوس 18 | D- — USB D- |
| دبوس 19 | D+ — USB D+ |
| دبوس 20 | VDD — Core supply (decouple 100 nF + bulk) |
| دبوس 21 | VSS — Ground |
| دبوس 22 | RC1 — GPIO / OC4 |
| دبوس 23 | RC2 — GPIO / OC5 |
| دبوس 24 | RC3 — GPIO |
| دبوس 25 | RC4 — GPIO |
| دبوس 26 | VSS — Ground |
| دبوس 27 | VDD — I/O supply (2.3-3.6 V) |
| دبوس 28 | OSC1/RC12 — Crystal input / external clock |
| دبوس 29 | OSC2/RC13 — Crystal output |
| دبوس 30 | RC14 — GPIO |
| دبوس 31 | RC15 — GPIO |
| دبوس 32 | RD0 — Remappable I/O |
| دبوس 33 | RD1 — Remappable I/O |
| دبوس 34 | RD2 — Remappable I/O |
| دبوس 35 | RD3 — Remappable I/O |
| دبوس 36 | RD4 — Remappable I/O |
| دبوس 37 | RD5 — Remappable I/O |
| دبوس 38 | RD6 — Remappable I/O |
| دبوس 39 | RD7 — Remappable I/O |
| دبوس 40 | RE0 — GPIO / PWM |
| دبوس 41 | RE1 — GPIO / PWM |
| دبوس 42 | RE2 — GPIO / PWM |
| دبوس 43 | RE3 — GPIO |
| دبوس 44 | RE4 — GPIO |
| دبوس 45 | RE5 — GPIO |
| دبوس 46 | RE6 — GPIO |
| دبوس 47 | RE7 — GPIO |
| دبوس 48 | VSS — Ground |
| دبوس 49 | VDD — I/O supply |
| دبوس 50 | RF0 — Remappable I/O |
| دبوس 51 | RF1 — Remappable I/O |
| دبوس 52 | RF2 — Remappable I/O / DAC1 |
| دبوس 53 | RF3 — Remappable I/O / DAC2 |
| دبوس 54 | RF4 — Remappable I/O |
| دبوس 55 | RF5 — Remappable I/O |
| دبوس 56 | RG0 — GPIO |
| دبوس 57 | RG1 — GPIO |
| دبوس 58 | RG2 — GPIO / D+ for USB Host |
| دبوس 59 | RG3 — GPIO / D- for USB Host |
| دبوس 60 | RG6 — GPIO |
| دبوس 61 | RG7 — GPIO |
| دبوس 62 | RG8 — GPIO |
| دبوس 63 | RG9 — GPIO |
| دبوس 64 | VSS — Ground |
| دبوس 65 | VDD — I/O supply |
| دبوس 66 | RH0 — Remappable I/O |
| دبوس 67 | RH1 — Remappable I/O |
| دبوس 68 | RH2 — Remappable I/O |
| دبوس 69 | RH3 — Remappable I/O |
| دبوس 70 | RH4 — Remappable I/O |
| دبوس 71 | RH5 — Remappable I/O |
| دبوس 72 | RH6 — Remappable I/O |
| دبوس 73 | RH7 — Remappable I/O |
| دبوس 74 | RH8 — Remappable I/O |
| دبوس 75 | RH9 — Remappable I/O |
| دبوس 76 | RH10 — Remappable I/O |
| دبوس 77 | RH11 — Remappable I/O |
| دبوس 78 | RJ0 — GPIO |
| دبوس 79 | RJ1 — GPIO |
| دبوس 80 | RJ2 — GPIO |
| دبوس 81 | RJ3 — GPIO |
| دبوس 82 | VSS — Ground |
| دبوس 83 | VDD — I/O supply |
| دبوس 84 | RK0 — GPIO / PMP data |
| دبوس 85 | RK1 — GPIO / PMP data |
| دبوس 86 | RK2 — GPIO / PMP data |
| دبوس 87 | RK3 — GPIO / PMP data |
| دبوس 88 | RK4 — GPIO / PMP data |
| دبوس 89 | RK5 — GPIO / PMP data |
| دبوس 90 | RK6 — GPIO / PMP data |
| دبوس 91 | RK7 — GPIO / PMP data |
| دبوس 92 | RL0 — GPIO |
| دبوس 93 | RL1 — GPIO |
| دبوس 94 | RL2 — GPIO |
| دبوس 95 | RL3 — GPIO |
| دبوس 96 | SDA1/RA15 — I2C1 data or GPIO |
| دبوس 97 | SCL1/RA14 — I2C1 clock or GPIO |
| دبوس 98 | MCLR — Master clear reset (pull-up 10 kohm required) |
| دبوس 99 | ENVREG — Voltage regulator enable (tie to VDD) |
| دبوس 100 | VSS — Ground |
التطبيقات النموذجية
PIC32MX470F512LT-120/PF مناسب لـ 6 التطبيقs: Industrial HMI with TFT-LCD Graphics, USB Peripherals and HID Devices, Capacitive Touch Keypads, Audio Decoding and Playback, IoT Edge Nodes with USB Debug, Appliance Control Panels.
Industrial HMI with TFT-LCD Graphics
The PIC32MX470F512LT-120/PF is a strong fit for industrial HMI front panels that drive small TFT-LCD displays up to WQVGA (480x272) resolution. Its PMP/EPMP controller can directly interface with most 8080/6800 parallel TFT-LCDs, and the 128 KB SRAM provides enough framebuffer for full-color WQVGA displays. Designers typically route the 16-bit PMP data bus on the top layer with matched traces and add a 33 ohm series-termination resistor per the Microchip PIC32MX reference design.
موصى به
USB Peripherals and HID Devices
The PIC32MX470F512LT-120/PF integrates a USB 2.0 Full-Speed On-The-Go controller with internal transceiver, which is ideal for USB keyboards, mice, custom HID game controllers, CDC serial adapters, and USB mass-storage bridges. The MPLAB Harmony USB stack provides ready-to-use HID, CDC, MSD, and Vendor class drivers. Designers must add 15 kohm pull-down resistors on D+ and D- and a 10 uF bulk on VUSB per the USB 2.0 spec.
موصى به
Capacitive Touch Keypads
The PIC32MX470F512LT-120/PF integrates a CTMU (Charge Time Measurement Unit) hardware block for accurate time-domain capacitive sensing, supporting up to 32 touch buttons or a small matrix touch panel. Combined with the 28-channel 10-bit ADC, designers can build sealed-glass front-panel keypads for appliances, medical instruments, and industrial controls. The MPLAB Harmony Touch library implements projected-capacitive and self-capacitive scanning patterns.
موصى به
Audio Decoding and Playback
The PIC32MX470F512LT-120/PF has 150 DMIPS of compute headroom that is sufficient for software-decoded MP3, AAC-LC, and Ogg Vorbis playback from external SD card or SPI Flash. The two I2S ports support direct connection to audio DACs like the TI PCM5102A or TI PCM1774. Designers typically use DMA to stream audio blocks into the I2S transmit buffer, leaving CPU cycles for UI updates. 128 KB SRAM allows 8 KB buffer for sample-rate conversion plus 16 KB for USB stack and UI.
موصى به
IoT Edge Nodes with USB Debug
The PIC32MX470F512LT-120/PF is well suited for USB-debugged IoT edge nodes that connect to a host PC for firmware update and telemetry log streaming. The USB OTG port can switch between device and host mode, enabling USB-Host-to-Wi-Fi dongle or USB-Host-to-NAND bridges. Combined with the four UART and two I2C, the MCU easily aggregates sensor data from external sensors and ships the payload over USB.
موصى به
Appliance Control Panels
The PIC32MX470F512LT-120/PF runs a graphical UI on a small TFT-LCD and drives motor-control PWM outputs for appliances such as coffee machines, washing machines, and induction cooktops. The five PWM channels can drive MOSFET bridges through gate drivers, while the four UARTs handle sensor and inverter feedback. Industrial -40 C to +105 C temperature grade allows placement near power stages.
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC32MX470F512LT-120/PF — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC32MX470F512L-120/PF | PIC32MX470F512LT-120/PT | PIC32MX470F512LT-I/PF | PIC32MX370F512LT-120/PF | PIC32MX450F256LT-120/PF |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14) - same | TQFP-100 (12x12) - PCB pad differs | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same | TQFP-100 (14x14) - same |
| Max CPU Clock | 120 MHz | 120 MHz | 120 MHz | 100 MHz (-20%) | 120 MHz | 120 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| USB 2.0 OTG | Yes (FS) | Yes | Yes | Yes | No | Yes |
| CTMU Touch Hardware | Yes | Yes | Yes | Yes | No | Yes |
| Shipping Form | Tape & Reel (-T) | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
| Approx. Unit Price (qty 1000) | $5.90 | $5.90 (tray) | $5.85 (-1%) | $5.70 (-3%) | $5.20 (-12%) | $4.95 (-16%) |
أبرز الفروقات
- Integrated USB 2.0 OTG with internal PHY (مقابلPIC32MX370F512LT-120/PF)
- Higher 120 MHz CPU speed grade (مقابلPIC32MX470F512LT-I/PF)
- Full 512 KB Flash for richer firmware (مقابلPIC32MX450F256LT-120/PF)
ملاحظات التصميم
Place one 100 nF ceramic decoupling capacitor on each VDD pin pair (pins 20, 27, 49, 65, 83) within 2 mm of the pin. Add a single 10 uF ceramic bulk capacitor on the VDD rail close to the device. The internal 1.8 V core LDO draws up to 80 mA at full load and requires VDD stable within 50 ms of start-up - sequence MCLR release after VDD > 2.3 V.
USB D+ and D- traces must be routed as a 90 ohm differential pair, length-matched to within 150 mil. The VUSB pin requires a 10 uF ceramic (not tantalum) capacitor per the datasheet; using tantalum will cause USB enumeration failures. The MCLR pin must be pulled up to VDD via 10 kohm and have a 100 nF decoupling cap close to the pin to filter ESD events.
Route the 12 MHz primary crystal traces between OSC1 and OSC2 within 5 mm of the package, length-matched, and surrounded by a grounded guard ring. Keep the crystal traces away from switching power nodes and the PMP data bus. If USB is used, keep the USB D+/D- pair at least 3 mm away from any switching converter edges and surround with a clean ground pour stitched with vias every 50 mm.
The 100-pin TQFP has a junction-to-ambient thermal resistance of approximately 50 C/W with a standard 4-layer JEDEC test board. At maximum 120 MHz CPU clock and 100% peripheral utilization, power dissipation is approximately 0.6 W resulting in a 30 C junction temperature rise above ambient. For closed-enclosure industrial designs, provide a minimum 100 mm^2 copper pad on VDD/VSS to assist heat spreading.
معلومات الامتثال
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified (no automotive-grade variant exists for this part). Lead-free reflow profile per J-STD-020.
