PIC32MX530F128H-50I/MR - 32-bit MCU, 50MHz, 128KB Flash, QFN-64
MPN: PIC32MX530F128H-50I/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.95 | $6.95 |
| 10 | $6.45 | $64.50 |
| 100 | $5.85 | $585.00 |
| 500 | $5.32 | $2,660.00 |
| 1,000 | $4.78 | $4,780.00 |
PIC32MX530F128H-50I/MR Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (SRAM), and a rich set of peripherals onto one die. PIC32MX devices belong to the 32-bit microcontroller family in the broader semiconductor category, positioned between 8-bit PIC16/PIC18 MCUs and higher-end Cortex-M4 devices. They are widely used in embedded control where deterministic interrupt response, USB connectivity, and CAN bus integration are required.
Key features include 50 MHz / 83 DMIPS core performance, hardware multiplier/divider for DSP-like operations, 10-bit ADC with up to 16 channels and 1 Msps conversion, CTMU (Charge Time Measurement Unit) for capacitive touch sensing, and JTAG/ICSP debug interface. The QFN-64 package with exposed thermal pad provides excellent thermal dissipation for industrial and consumer designs.
The architecture pairs a 5-stage MIPS pipeline with single-cycle multiplication, dual I2S/SPIs for audio codec interfacing, and PPS allowing remap of most digital peripherals onto any digital I/O pin. The USB OTG controller and CAN 2.0B module enable industrial networking without external transceivers (CAN requires external transceiver IC for physical layer).
Typical applications include industrial control, USB peripherals, CAN node interfaces, audio HMI panels with capacitive touch, and graphics-enabled embedded displays. The wide temperature range and USB/CAN combination make it well-suited for factory automation, building automation, and instrumentation.
Design tip: ensure proper decoupling with 0.1 uF and 10 uF capacitors close to VDD pins, follow Microchip's USB hardware design guidelines for the D+/D- traces, and use the PPS feature carefully because remapped pins must be reconfigured after each I/O change.
This page synthesizes distributor pricing, drop-in PIC32MX same-family alternatives, and practical design notes for engineers evaluating the PIC32MX530F128H-50I/MR for embedded projects.
Drop-in alternatives for PIC32MX530F128H-50I/MR — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC32MX530F128H-50I/MR (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Parallel Master Port (PMP), Program Memory (Flash).
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX530F128H-50I/PT
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC32MX530F128HT-50I/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX530F128H-I/MR
✅ Drop-In✓ In Stock
$3.66 / Unit
View Datasheet →PIC32MX530F128H-V/MR
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX550F256H-50I/MR
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →PIC32MX570F512H-50I/MR
✅ Drop-In✓ In Stock
$4.25 / Unit
View Datasheet →PIC32MX470F512H-I/MR
✅ Drop-In✓ In Stock
$5.08 / Unit
View Datasheet →PIC32MX530F128H-50I/MR Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Maximum CPU Frequency | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Program Memory (Flash) | 128 KB |
| Data Memory (SRAM) | 16 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| Package | 64-pin QFN (MR) |
| Operating Temperature | -40C to +85C (Industrial) |
| USB | USB 2.0 Full-Speed OTG |
| CAN | CAN 2.0B Active with DeviceNet addressing |
| PPS | Peripheral Pin Select |
| Parallel Master Port (PMP) | Yes, with dual buffers |
| Debug Interface | JTAG and ICSP |
| CTMU | Yes (Capacitive Touch) |
| Mounting Type | Surface Mount (QFN with EP) |
| RoHS | Compliant |
PIC32MX530F128H-50I/MR 64-pin qfn (mr) Pin Configuration Guide
Pin configuration for PIC32MX530F128H-50I/MR (64-pin qfn (mr) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC32MX530F128H-50I/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX530F128H-50I/MR is suitable for 6 applications: Industrial Control with USB and CAN, USB HID / CDC Peripherals, Audio HMI Panel with Capacitive Touch, Automotive Body Electronics (CAN Bus Node), Graphics-Enabled Embedded Display, Building Automation Sensor Hub.
Industrial Control with USB and CAN
The PIC32MX530F128H-50I/MR is a strong fit for industrial control nodes that need both USB device connectivity (for configuration, firmware update, or HMI) and CAN 2.0B networking for sensor/actuator chains. Its integrated USB 2.0 Full-Speed OTG controller and CAN 2.0B Active module eliminate the need for external protocol chips - only a CAN transceiver such as MCP2551 is required for the physical layer. The 50 MHz / 83 DMIPS MIPS32 M4K core handles real-time control loops with predictable interrupt latency, while PPS lets the designer route SPI/I2C peripherals away from the default pins to simplify PCB routing. Industrial-grade -40C to +85C operation is built in. Use it between an upstream PLC or USB host and downstream CAN slaves.
Recommended
USB HID / CDC Peripherals
The PIC32MX530F128H-50I/MR excels as a USB device controller for HID, CDC, vendor-class, or composite devices, thanks to its integrated USB 2.0 Full-Speed OTG transceiver, on-chip pull-up resistors, and 16 KB SRAM for descriptor buffers. The 50 MHz MIPS32 core easily handles USB polling at 1 ms intervals while leaving headroom for application logic, and Microchip's MPLAB Harmony USB stacks are fully supported. The CTMU peripheral enables capacitive touch buttons on the same die. For keyboard, mouse, custom HID, or virtual-COM-port devices, this part provides a single-chip solution. Place 0.1 uF + 10 uF decoupling near each VDD pin and follow USB differential pair layout guidelines (90-ohm impedance, no stubs).
Recommended
Audio HMI Panel with Capacitive Touch
Audio HMI panels combining I2S audio playback and capacitive touch sliders benefit from the PIC32MX530F128H-50I/MR's two I2S modules (for DAC/ADC audio) and on-chip CTMU (for capacitive touch sensing without external FFE ICs). The PMP (Parallel Master Port) with dual buffers can drive small TFT displays for graphics, while the 128 KB Flash and 16 KB SRAM are sufficient for audio decoding plus a small RTOS. PPS lets the I2S, SPI, and I2C peripherals be remapped for cleaner PCB routing. The QFN-64 package's small footprint suits space-constrained front-panel modules. Use external audio DAC like the PIC32MX audio codec companion parts.
Recommended
Automotive Body Electronics (CAN Bus Node)
Body electronics modules in non-safety-critical vehicle systems (window lift, mirror control, seat controller, lighting node) can leverage the PIC32MX530F128H-50I/MR's CAN 2.0B interface with DeviceNet addressing. The 50 MHz core processes CAN messages at 1 Mb/s with comfortable margin, and the PPS feature lets designers pin-assign CAN, PWM, and ADC signals freely. The industrial -40C to +85C temperature range covers cabin environments; for under-hood applications consider the -V extended-temperature grade or a true AEC-Q100 part. Pair with an automotive-grade CAN transceiver such as the MCP2561/2562 for EMC robustness.
Recommended
Graphics-Enabled Embedded Display
The PIC32MX530F128H-50I/MR's Parallel Master Port (PMP) with dual read/write buffers can directly interface small TFT LCDs and OLED panels without an external graphics controller, while the 50 MHz core refreshes QVGA displays at acceptable frame rates. Combine PMP with the three I2S/SPI modules for touch controller and audio. The 128 KB Flash stores graphics tables and fonts, and the 16 KB SRAM serves as a frame buffer for smaller panels. The QFN-64 footprint fits behind compact displays. For larger panels (VGA+), step up to PIC32MZ family parts with more RAM and a dedicated graphics controller.
Recommended
Building Automation Sensor Hub
Building automation hubs that aggregate sensors (temperature, occupancy, light, CO2) over I2C/SPI and report upstream via CAN or USB benefit from the PIC32MX530F128H-50I/MR's rich peripheral set. The 10-bit ADC reads analog sensors, CTMU times capacitive touch, and the multiple UART/SPI/I2C instances (via PPS) handle sensor networking. Industrial temperature rating suits equipment-room deployment. USB OTG allows installer configuration via laptop, while CAN links the hub to the building's automation backbone. The 16 KB SRAM handles modest protocol stacks without external memory expansion.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX530F128H-50I/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX530F128H-50I/PT | PIC32MX530F128HT-50I/MR | PIC32MX550F256H-50I/MR | PIC32MX570F512H-50I/MR |
|---|---|---|---|---|---|
| Package | 64-pin QFN (MR) | 64-pin TQFP (PT) | 64-pin QFN (MR) | 64-pin QFN (MR) | 64-pin QFN (MR) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| Flash | 128 KB | 128 KB | 256 KB | 512 KB | |
| SRAM | 16 KB | 16 KB | 32 KB | 64 KB | |
| Max Frequency | 50 MHz | 50 MHz | 50 MHz | 50 MHz | |
| USB OTG | Yes (FS) | Yes (FS) | Yes (FS) | Yes (FS) | |
| CAN 2.0B | Yes | Yes | Yes | Yes | |
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | |
| Operating Voltage | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
Key Differentiators
- Integrated USB 2.0 FS OTG and CAN 2.0B on a 50 MHz 32-bit MCU (vs PIC32MX470F512H-I/MR)
- Higher pin count and richer peripherals vs PIC32MX1XX/2XX 28/36/44-pin siblings (vs PIC32MX230F256B-50I/SP)
- Industrial -40C to +85C guaranteed at 50 MHz (vs PIC32MX530F128H-I/MR)
Design Notes
Place one 0.1 uF ceramic decoupling capacitor as close as possible to every VDD pin, and a bulk 10 uF tantalum or ceramic near the IC. The PIC32MX530F128H-50I/MR has multiple VDD/VSS pairs (AVDD, AVDD2, VBAT, VUSB3V3) - each analog supply must be decoupled separately and use a ferrite bead or L-C filter when noise-sensitive analog performance is required. Do not exceed 3.6 V on any pin; use a 3.3 V LDO like MCP1700 from a 5 V upstream rail.
USB D+/D- traces must be 90-ohm differential with no stubs and length-matched to within 150 mil. Keep the 12 MHz crystal traces short and surrounded by a ground guard ring; the USB module derives its 48 MHz from this oscillator and jitter directly impacts USB compliance. PPS (Peripheral Pin Select) feature lets you remap digital peripheral pins - but note that PPS inputs must be assigned to specific groups; read section on I/O remapping in the datasheet before finalizing layout.
Common mistakes: (1) Forgetting to enable the USB transceiver by setting the PWR bit in the appropriate SFR before USB attach - device will enumerate but fail USB compliance. (2) Not initializing the CAN module's baud rate prescaler correctly - CAN bit timing errors cause bus-off errors. (3) Exceeding 10 mA source/sink on any I/O pin without a current-limiting resistor. (4) Programming the configuration bits last, after the application code - if any programming interruption occurs the device may lock out ICSP debug. Always follow Microchip's programming flow in TB086.
Compliance Information
RoHS compliant and lead-free per Microchip product page. Not AEC-Q100 qualified - for automotive safety-critical applications use AEC-Q100 qualified PIC32MK or dsPIC33 families. PIC32MX530 industrial grade is rated -40C to +85C only, not +105C.
