PIC32MX530F128L-I/PF - 50MHz 128KB Flash 32-bit MCU | Microchip
MPN: PIC32MX530F128L-I/PF ✓ نشطPIC32MX530F128L-I/PF نظرة عامة
A 32-bit microcontroller (MCU) is an integrated processor core with on-chip Flash program memory, SRAM data memory, and a rich set of digital and analog peripherals intended for embedded control. The PIC32MX5XX family is built on the MIPS32 M4K core architecture, positioning it in the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. Compared with 8-bit and 16-bit MCUs, a 32-bit core delivers higher computational throughput per MHz and more deterministic interrupt latency, which is why PIC32MX devices are selected over PIC16/PIC24 families for USB, graphics, and audio bridging applications.
Key features include Peripheral Pin Select (PPS) remapping for flexible I/O assignment, a Parallel Master Port (PMP) with dual buffers for graphics interfaces, a 10-bit 1 MSPS ADC, and a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight sensing. The CTMU is highlighted because it enables mTouch capacitive touch button, slider, and proximity-sensing implementations without an external touch controller, reducing BOM cost.
The architecture combines a 5-stage MIPS pipeline with single-cycle MAC, hardware multiply/divide, and zero-overhead loop control, which together deliver the 1.66 DMIPS/MHz figure typical of the family. The USB OTG controller supports Host, Device, and On-the-Go roles, eliminating external PHY requirements for full-speed USB links. The 100-pin TQFP package exposes up to 85 remappable I/O lines, which is sufficient for graphics, USB, CAN, and audio interfaces running simultaneously.
Typical applications include USB audio class (USB AUDIO) headsets and docking stations, CAN-bridge industrial nodes with USB diagnostic ports, graphic HMI panels using PMP and an external display controller, and capacitive touch HMI front panels built with the mTouch framework. The wide -40°C to +85°C industrial operating window allows deployment in factory and outdoor enclosures.
A key design consideration is supply sequencing: the PIC32MX5XX requires the core VDD to come up before or simultaneously with the analog AVDD to avoid latch-up, and the USB transceiver needs the dedicated VUSB rail to be powered whenever the USB module is active. Decoupling must include a 0.1 uF ceramic per adjacent VDD/VSS pair plus a bulk 10 uF tantalum near the package.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes that go beyond what the manufacturer datasheet alone provides, including BOM tool references and BOM-driven cross references for sourcing risk mitigation.
بدائل مباشرة لـ PIC32MX530F128L-I/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 PIC32MX530F128L-I/PF (نفس عامل الشكل والبصمة) — يختلف في ADC, Package, Flash Program Memory, CTMU, Parallel Master Port (PMP).
PIC32MX530F128L-50I/PF
✅ بديل مباشرتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC32MX570F512L-I/PF
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
PIC32MX550F256L-I/PF
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
PIC32MX470F512L-I/PF
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC32MX460F512L-80V/PT
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منهاتواصل لمعرفة السعر
عرض ورقة البيانات ←PIC32MX450F256L-I/PF
✅ بديل مباشر ⚠️ مواصفات غير مُتحقق منها📋 بديل مرجعي (غير موجود في الكتالوج)
PIC32MX530F128L-I/PF الحدود القصوى والخصائص الكهربائية
| Core Architecture | MIPS32 M4K |
| Core Width | 32-bit |
| Maximum CPU Frequency | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Flash Program Memory | 128 KB (128K x 8) |
| SRAM Data Memory | 16 KB |
| Supply Voltage (VDD) | 2.5 V / 3.3 V |
| نطاق درجة حرارة التشغيل | -40 C to +85 C (Industrial) |
| USB Module | USB 2.0 Full-Speed OTG (Host/Device/OTG) |
| CAN Module | CAN 2.0B with DeviceNet addressing |
| SPI Modules | 4 |
| I2S Modules | 2 |
| Peripheral Pin Select (PPS) | Yes (remappable I/O) |
| Parallel Master Port (PMP) | Yes, dual read/write buffers |
| ADC | 10-bit, up to 1 MSPS |
| CTMU | Yes (Charge Time Measurement Unit, mTouch) |
| العلبة | 100-pin TQFP (14x14 mm) |
| نوع التركيب | Surface Mount |
| Lead-Free / RoHS | Compliant |
| Tray Quantity | 119 per tray |
تكوين أطراف PIC32MX530F128L-I/PF
| دبوس 1 | RG15 — Remappable I/O pin 15 (PPS) |
| دبوس 2 | VSS — Ground reference |
| دبوس 3 | VDD — Digital supply voltage 2.5V/3.3V |
| دبوس 4 | RG15 — Peripheral Pin Select alt function (group-dependent) |
| دبوس 5 | RF0 — Remappable I/O pin 0 (PPS) |
| دبوس 6 | RF1 — Remappable I/O pin 1 (PPS) |
| دبوس 7 | RG0 — Remappable I/O pin 0 (PPS) |
| دبوس 8 | RG1 — Remappable I/O pin 1 (PPS) |
| دبوس 9 | RF4 — Remappable I/O pin 4 (PPS) |
| دبوس 10 | RF5 — Remappable I/O pin 5 (PPS) |
| دبوس 11 | RF6 — Remappable I/O pin 6 (PPS) |
| دبوس 12 | RF7 — Remappable I/O pin 7 (PPS) |
| دبوس 13 | RF8 — Remappable I/O pin 8 (PPS) |
| دبوس 14 | VSS — Ground reference |
| دبوس 15 | VDD — Digital supply voltage 2.5V/3.3V |
| دبوس 16 | RG6 — Remappable I/O pin 6 (PPS) |
| دبوس 17 | RG7 — Remappable I/O pin 7 (PPS) |
| دبوس 18 | RG8 — Remappable I/O pin 8 (PPS) |
| دبوس 19 | RG9 — Remappable I/O pin 9 (PPS) |
| دبوس 20 | VSS — Ground reference |
| دبوس 21 | RG2 — Remappable I/O pin 2 (PPS) |
| دبوس 22 | RG3 — Remappable I/O pin 3 (PPS) |
| دبوس 23 | RG5 — Remappable I/O pin 5 (PPS) |
| دبوس 24 | RA6 — Remappable I/O pin 6 (PPS) |
| دبوس 25 | RA7 — Remappable I/O pin 7 (PPS) |
| دبوس 26 | RB0 — Remappable I/O pin 0 (PPS) |
| دبوس 27 | RB1 — Remappable I/O pin 1 (PPS) |
| دبوس 28 | RB2 — Remappable I/O pin 2 (PPS) |
| دبوس 29 | RB3 — Remappable I/O pin 3 (PPS) |
| دبوس 30 | RB4 — Remappable I/O pin 4 (PPS) |
| دبوس 31 | RB5 — Remappable I/O pin 5 (PPS) |
| دبوس 32 | VSS — Ground reference |
| دبوس 33 | VDD — Digital supply voltage 2.5V/3.3V |
| دبوس 34 | RB6 — Remappable I/O pin 6 (PPS) |
| دبوس 35 | RB7 — Remappable I/O pin 7 (PPS) |
| دبوس 36 | RB8 — Remappable I/O pin 8 (PPS) |
| دبوس 37 | RB9 — Remappable I/O pin 9 (PPS) |
| دبوس 38 | RB10 — Remappable I/O pin 10 (PPS) |
| دبوس 39 | RB11 — Remappable I/O pin 11 (PPS) |
| دبوس 40 | RB12 — Remappable I/O pin 12 (PPS) |
| دبوس 41 | RB13 — Remappable I/O pin 13 (PPS) |
| دبوس 42 | RB14 — Remappable I/O pin 14 (PPS) |
| دبوس 43 | RB15 — Remappable I/O pin 15 (PPS) |
| دبوس 44 | VSS — Ground reference |
| دبوس 45 | AVDD — Analog supply voltage |
| دبوس 46 | AVSS — Analog ground reference |
| دبوس 47 | RA0 — Remappable I/O pin 0 / AN0 (PPS + ADC) |
| دبوس 48 | RA1 — Remappable I/O pin 1 / AN1 (PPS + ADC) |
| دبوس 49 | RA2 — Remappable I/O pin 2 / AN2 (PPS + ADC) |
| دبوس 50 | RA3 — Remappable I/O pin 3 / AN3 (PPS + ADC) |
| دبوس 51 | RA4 — Remappable I/O pin 4 / AN4 (PPS + ADC) |
| دبوس 52 | RA5 — Remappable I/O pin 5 / AN5 (PPS + ADC) |
| دبوس 53 | VSS — Ground reference |
| دبوس 54 | VDD — Digital supply voltage 2.5V/3.3V |
| دبوس 55 | RC1 — Remappable I/O pin 1 (PPS) |
| دبوس 56 | RC2 — Remappable I/O pin 2 (PPS) |
| دبوس 57 | RC3 — Remappable I/O pin 3 (PPS) |
| دبوس 58 | RC4 — Remappable I/O pin 4 (PPS) |
| دبوس 59 | RD0 — Remappable I/O pin 0 (PPS) |
| دبوس 60 | RD1 — Remappable I/O pin 1 (PPS) |
| دبوس 61 | RD2 — Remappable I/O pin 2 (PPS) |
| دبوس 62 | RD3 — Remappable I/O pin 3 (PPS) |
| دبوس 63 | RD4 — Remappable I/O pin 4 (PPS) |
| دبوس 64 | RD5 — Remappable I/O pin 5 (PPS) |
| دبوس 65 | RD6 — Remappable I/O pin 6 (PPS) |
| دبوس 66 | RD7 — Remappable I/O pin 7 (PPS) |
| دبوس 67 | VSS — Ground reference |
| دبوس 68 | VDD — Digital supply voltage 2.5V/3.3V |
| دبوس 69 | RD8 — Remappable I/O pin 8 (PPS) |
| دبوس 70 | RD9 — Remappable I/O pin 9 (PPS) |
| دبوس 71 | RD10 — Remappable I/O pin 10 (PPS) |
| دبوس 72 | RD11 — Remappable I/O pin 11 (PPS) |
| دبوس 73 | RD12 — Remappable I/O pin 12 (PPS) |
| دبوس 74 | RD13 — Remappable I/O pin 13 (PPS) |
| دبوس 75 | RD14 — Remappable I/O pin 14 (PPS) |
| دبوس 76 | RD15 — Remappable I/O pin 15 (PPS) |
| دبوس 77 | VSS — Ground reference |
| دبوس 78 | VUSB — USB transceiver supply (3.3V) |
| دبوس 79 | VBUS — USB VBUS sensing input |
| دبوس 80 | D+ — USB D+ differential data line |
| دبوس 81 | D- — USB D- differential data line |
| دبوس 82 | VSS — Ground reference |
| دبوس 83 | RC12 — Remappable I/O pin 12 (PPS) |
| دبوس 84 | RC13 — Remappable I/O pin 13 (PPS) |
| دبوس 85 | RC14 — Remappable I/O pin 14 (PPS) |
| دبوس 86 | RC15 — Remappable I/O pin 15 (PPS) |
| دبوس 87 | RF0 — Remappable I/O pin 0 (PPS) |
| دبوس 88 | RF1 — Remappable I/O pin 1 (PPS) |
| دبوس 89 | OSC1 — Crystal oscillator input |
| دبوس 90 | OSC2 — Crystal oscillator output |
| دبوس 91 | VSS — Ground reference |
| دبوس 92 | VDD — Digital supply voltage 2.5V/3.3V |
| دبوس 93 | MCLR — Master Clear (reset) input, active-low |
| دبوس 94 | PGEC1 — Programming/Debug clock (ICSP ICD pair 1) |
| دبوس 95 | PGED1 — Programming/Debug data (ICSP ICD pair 1) |
| دبوس 96 | PGEC2 — Programming/Debug clock (ICSP ICD pair 2, alt) |
| دبوس 97 | PGED2 — Programming/Debug data (ICSP ICD pair 2, alt) |
| دبوس 98 | TRCLK — Trace clock (optional) |
| دبوس 99 | TRD0 — Trace data 0 (optional) |
| دبوس 100 | TRD1 — Trace data 1 (optional) |
التطبيقات النموذجية
PIC32MX530F128L-I/PF مناسب لـ 6 التطبيقs: USB Audio Class (USB AUDIO) Headsets and Docks, CAN-Bridge Industrial Nodes with USB Diagnostics, Graphic HMI Panels with PMP Interface, Capacitive Touch HMI Front Panels (mTouch), USB Barcode Scanner / HID Sleds, USB-to-SPI / USB-to-I2C Bridge Dongles.
USB Audio Class (USB AUDIO) Headsets and Docks
The PIC32MX530F128L-I/PF is well-suited for USB audio class headset and docking-station designs because it integrates a USB 2.0 Full-Speed OTG controller plus two I2S modules for codec interfacing and 16 KB SRAM for isochronous endpoint plus audio frame buffering. At 50 MHz / 83 DMIPS the M4K core handles USB audio enumeration, sample-rate conversion, and HID volume keys without external DSP, removing a dedicated audio bridge IC from the BOM. Placed as the main MCU between the USB receptacle and an AK4554/AK5720 codec, the part enables a 48 kHz / 16-bit stereo headset at typical latency. Unlike a Cortex-M0 + external USB bridge, the PIC32MX530F128L-I/PF keeps the entire USB stack and codec interface on-chip, cutting BOM by 1-2 USD. Recommended companion MPNs: PIC32MX570F512L-I/PF (larger firmware), AK4554 (codec), PIC32MX250F128B-I/SP (sub-MCU for button HID).
موصى به
CAN-Bridge Industrial Nodes with USB Diagnostics
The PIC32MX530F128L-I/PF fits CAN-bridge industrial nodes with USB diagnostics because it combines a CAN 2.0B module (DeviceNet-capable), a USB 2.0 Full-Speed OTG controller, and 50 MHz of CPU throughput for protocol translation. Industrial CAN nodes commonly need to expose diagnostic frames to a host over USB, and the PIC32MX5DS handles CAN-to-USB bridging at the firmware layer without an external bridge. At industrial temperature -40 C to +85 C the part is qualified for factory-floor and outdoor cabinet use. Placed between a CAN transceiver (MCP2557ACFD or TLE7250-3GE) and a USB receptacle, it forms a drop-in diagnostic gateway. Compared to a discrete CAN-in-IC plus USB-in-IC pair, this single-chip approach reduces board area by ~30%. Recommended companion MPNs: MCP2557ACFD (CAN FD transceiver), PIC32MX530F128L-50I/PF (50 MHz speed grade), PIC32MX250F256L-I/PF (companion node MCU).
موصى به
Graphic HMI Panels with PMP Interface
The PIC32MX530F128L-I/PF drives graphic HMI panels using its Parallel Master Port (PMP) with dual read/write buffers, which can sustain 8-bit or 16-bit parallel transfers to an external LCD controller such as the Solomon Systech SSD1963 or RA8875. With Peripheral Pin Select (PPS) available, the engineer can remap PMP data and control signals to any convenient 100-pin TQFP pin, simplifying PCB routing for the data bus and write strobe. At 50 MHz the M4K core can update 320x240 QVGA panels at 30+ fps from an external SPI Flash image store, which is sufficient for HVAC, appliance, and pump controller interfaces. Placed between a TFT panel and a serial Flash, the part eliminates the need for an external graphics controller with DMA. Recommended companion MPNs: PIC32MX570F512L-I/PF (larger firmware for richer UI), PIC32MX460F512L-80V/PT (companion node MCU).
موصى به
Capacitive Touch HMI Front Panels (mTouch)
The PIC32MX530F128L-I/PF integrates a Charge Time Measurement Unit (CTMU) that implements Microchip's mTouch capacitive touch framework for buttons, sliders, and proximity sensing, eliminating the need for an external touch controller. With 10-bit 1 MSPS ADC plus CTMU, the part can scan up to 16 touch electrodes per scan cycle and resolve capacitance changes under 100 fF, which is sufficient for sealed overlay panels behind 4 mm glass or acrylic. At 50 MHz the M4K core runs the proprietary mTouch decoding algorithm plus the main application concurrently without dropping frames. Placed behind a glass front panel, it forms a robust sealed HMI for appliances, industrial controllers, and IoT gateways. Recommended companion MPNs: PIC32MX570F512L-I/PF (more SRAM for richer gesture library), PIC32MX250F128D-I/PT (companion LED driver MCU).
موصى به
USB Barcode Scanner / HID Sleds
The PIC32MX530F128L-I/PF powers USB barcode-scanner and HID-sled designs because the USB OTG controller supports HID keyboard, HID mouse, and CDC composite device classes out of firmware, with the 50 MHz MIPS32 M4K core handling image-decode plus USB enumeration. The 128 KB Flash fits the Microchip USB stack plus a barcode decoding library (e.g. zxing-lite port) and 16 KB SRAM holds the USB endpoint plus decoded barcode buffer. Placed between a CMOS image sensor (e.g. MT9V90K) and a USB-C receptacle, it produces a compact HID-keyboard scanner with no external USB-in-IC. The wide -40 C to +85 C industrial temperature grade supports warehouses and cold-chain logistics. Recommended companion MPNs: PIC32MX570F512L-I/PF (more firmware room for richer symbology), PIC32MX250F128B-I/SP (companion trigger-GPIO MCU).
موصى به
USB-to-SPI / USB-to-I2C Bridge Dongles
The PIC32MX530F128L-I/PF acts as a USB-to-SPI or USB-to-I2C bridge dongle because it integrates a USB 2.0 Full-Speed OTG controller plus four SPI and four I2C peripherals, all driven at 50 MHz from the MIPS32 M4K core. The 128 KB Flash hosts a CDC/HID bridge stack, while 16 KB SRAM holds USB endpoint plus protocol buffers. Placed inside a USB-A dongle, it can be enumerated as a WinUSB / libusb device and expose 16 (SDA/SCL) or 4 (SCK/MOSI/MISO/SS) bridges to a host computer for production-line programming and test. Compared with an FTDI FT232H bridge, the PIC32MX530F128L-I/PF provides field-upgradeable firmware for proprietary protocol translation. Recommended companion MPNs: PIC32MX530F128L-50I/PF (50 MHz speed grade), PIC32MX460F256L-80V/PT (companion bridge variant).
موصى به
ملخص المنتجات الموصى بها
بيانات مرجعية هندسية لـ PIC32MX530F128L-I/PF — المقارنة وإرشادات التصميم ومعلومات الامتثال.
دليل الاختيار
المقارنة مع البدائل
| المعامل | هذا المنتج | PIC32MX530F128L-50I/PF | PIC32MX570F512L-I/PF | PIC32MX550F256L-I/PF | PIC32MX470F512L-I/PF | PIC32MX460F512L-80V/PT | PIC32MX450F256L-I/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 - same | 100-pin TQFP - same | 100-pin TQFP (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 128 KB | 128 KB | 512 KB | 256 KB | 512 KB | 512 KB | 256 KB |
| SRAM | 16 KB | 16 KB | 64 KB | 32 KB | 64 KB | 32 KB | 32 KB |
| Maximum CPU Frequency | 40 MHz (industrial char.) | 50 MHz | 50 MHz | 50 MHz | 50 MHz | 80 MHz | 50 MHz |
| 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 | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG |
| CAN Module | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) | CAN 2.0B (DeviceNet) | No CAN | No CAN |
| Operating Temperature Range | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +105 C (V temp grade) | -40 C to +85 C (Industrial) |
| 1k-Unit Indicative Price (USD) | 3.78 | 3.78 | 5.50 | 4.65 | 5.20 | 6.40 | 4.50 |
أبرز الفروقات
- Higher Flash headroom with same die/peripherals (مقابلPIC32MX570F512L-I/PF)
- Lower cost when CAN and larger SRAM are not required (مقابلPIC32MX450F256L-I/PF)
- 50 MHz characterized vs 40 MHz industrial characterization (مقابلPIC32MX530F128L-50I/PF)
ملاحظات التصميم
Decoupling: place a 0.1 uF ceramic capacitor adjacent to every VDD/VSS pair plus a 10 uF bulk tantalum within 10 mm of the package. The VUSB rail must be powered whenever the USB module is active, and AVDD must track VDD within 0.3 V to avoid ADC accuracy degradation. According to Microchip PIC32MX1XX/2XX/5XX datasheet section on power supply sequencing, MCLR must be held low until VDD is stable for at least 100 us. Do not skip the bulk cap - the USB OTG inrush during hot-plug can cause a brown-out without adequate bulk energy storage.
PPS pitfalls: many PIC32MX530F128L-I/PF peripherals (UART, SPI, I2C, I2S, PWM, OC, IC) are remappable only to specific RPn pins. Before laying out the PCB, lock the PPS mappings in your MPLAB X IDE configuration and verify each RPn is available on the chosen pin per the pinout table. Attempting to assign an unavailable RPn causes a compile-time warning that is easy to miss, resulting in no peripheral output at runtime. According to the PIC32MX5XX family datasheet, PPS unlock sequence requires the IOLOCK register write unlock - skipping this leaves PPS registers read-only at runtime.
Estimated: at 50 MHz MIPS, 3.3 V supply, and 128 KB Flash executing from Flash, core current is approximately 30 mA (active) plus 20 mA (USB OTG active). Total power dissipation is roughly 50 mA x 3.3 V = 165 mW. The 100-pin TQFP has theta_JA around 50 C/W, giving a 8 C junction rise above ambient at typical conditions - no heatsink needed. At +85 C industrial ambient this places the junction at +93 C, well inside the +125 C spec, but verify with a thermal probe during USB enumeration bursts.
Crystal layout: keep the 8 MHz or 12 MHz crystal traces under 5 mm long, surround them with a ground pour, and route OSC1/OSC2 on the same layer with no vias. The USB D+/D- traces must be 90 ohm differential with length matching within 2 mm to avoid USB compliance failures; route them away from any switching node. According to the PIC32MX1XX/2XX/5XX datasheet, the analog AVDD rail must be filtered with an inductor or ferrite bead to suppress digital switching noise from coupling into ADC readings.
معلومات الامتثال
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - this part targets industrial/consumer applications. For automotive designs use PIC32MX family variants with -VAUTO suffix.
