PIC32MX530F128HT-50I/PT - 50MHz 128KB Flash 32-bit MCU | Microchip
MPN: PIC32MX530F128HT-50I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.45 | $6.45 |
| 10 | $5.81 | $58.10 |
| 100 | $5.16 | $516.00 |
| 500 | $4.65 | $2,325.00 |
| 1,000 | $4.13 | $4,130.00 |
PIC32MX530F128HT-50I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, volatile and non-volatile memory, and a rich set of on-chip peripherals such as timers, communication controllers and interrupt logic. Within the broader hierarchy, the PIC32MX530F128H belongs to the 32-bit MCU category (32-bit microcontroller -> microcontroller -> embedded processor -> semiconductor IC), positioned above 8/16-bit MCUs in computational throughput and addressable memory while remaining lower-cost than high-end application processors. The MIPS32 M4K core implements a Harvard architecture with separate instruction and data paths to the Flash and SRAM, providing deterministic real-time behaviour and zero-wait-state execution at the rated clock frequency.
Key specifications include 128 KB (128K x 8) program Flash, 16 KB SRAM, a 10-bit 1 Msps ADC with up to 28 input channels, five 16-bit timers/counters, two I2C, two UART, two SPI, three I2S modules, CTMU for capacitive touch sensing, and a 4-channel DMA controller. The device operates from 2.3V to 3.6V across the -40C to +85C industrial temperature range. The CTMU and 10-bit ADC combination enables cost-effective mTouch capacitive touch key or slider implementations.
Typical applications include USB peripherals (HID, CDC, MSD), CAN-connected industrial nodes, audio playback and recording with external CODECs over I2S, segment-LCD or low-resolution TFT graphic HMI panels through PMP, and capacitive touch human-interface panels. The combination of USB OTG, CAN and graphics peripherals makes the PIC32MX530F128HT-50I/PT well-suited to multifunction industrial, automotive-infotainment and consumer HMI designs.
For new designs, ensure the firmware revision string (T-vs non-T suffix) matches your tool chain; the -50I speed grade delivers 50 MHz/83 DMIPS while the lower temperature variants operate to 105C. When migrating to a 100-pin variant for additional I/O, choose the same die revision to avoid software rework.
This page synthesises distributor pricing, drop-in replacement candidates, parametric comparison tables and practical design notes that complement the manufacturer datasheet, enabling faster component selection for new designs and re-spins.
Drop-in alternatives for PIC32MX530F128HT-50I/PT — 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 PIC32MX530F128HT-50I/PT (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Core Architecture, I2C.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX530F128H-50I/PT
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC32MX530F128HT-I/MR
✅ Drop-In✓ In Stock
$3.35 / Unit
View Datasheet →PIC32MX530F128H-I/MR
✅ Drop-In✓ In Stock
$3.66 / Unit
View Datasheet →PIC32MX450F256HT-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC32MX430F064HT-I/PT
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC32MX530F128HT-50I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K (32-bit) |
| Maximum CPU Clock | 50 MHz |
| DMIPS | 83 DMIPS |
| Program Flash | 128 KB (128K x 8) |
| Data SRAM | 16 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 64-pin TQFP (10x10 mm) |
| USB | USB 2.0 Full-Speed OTG |
| CAN | CAN 2.0B active with DeviceNet addressing |
| ADC | 10-bit, 1 Msps, up to 28 channels |
| I2S / SPI | 3 I2S/SPI modules |
| UART | 2 UART modules |
| I2C | 2 I2C modules |
| Parallel Master Port (PMP) | Yes, dual read/write buffers |
| Timers | 5 x 16-bit Timer/Counter |
| DMA | 4-channel DMA |
| CTMU (Capacitive Touch) | Yes |
| Peripheral Pin Select (PPS) | Yes |
| Speed Grade | -50I (50 MHz Industrial temp) |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
PIC32MX530F128HT-50I/PT Pin Configuration
| Pin 1 | RPB3 — Remappable I/O (PPS) / CVREF / AN5 |
| Pin 2 | RPB4 — Remappable I/O (PPS) / AN6 |
| Pin 3 | RPB5 — Remappable I/O (PPS) / AN7 |
| Pin 4 | RPB6 — Remappable I/O (PPS) |
| Pin 5 | RPB7 — Remappable I/O (PPS) |
| Pin 6 | RPC0 — Remappable I/O (PPS) |
| Pin 7 | RPC1 — Remappable I/O (PPS) |
| Pin 8 | RPC2 — Remappable I/O (PPS) |
| Pin 9 | RPC3 — Remappable I/O (PPS) |
| Pin 10 | RPC4 — Remappable I/O (PPS) / D-/SR1 D- |
| Pin 11 | VSS — Ground |
| Pin 12 | VDD — Positive supply for I/O logic (2.3-3.6V) |
| Pin 13 | RPC5 — Remappable I/O (PPS) |
| Pin 14 | RPC6 — Remappable I/O (PPS) |
| Pin 15 | RPC7 — Remappable I/O (PPS) |
| Pin 16 | RPC8 — Remappable I/O (PPS) |
| Pin 17 | RPC9 — Remappable I/O (PPS) |
| Pin 18 | VDD — Positive supply for I/O logic |
| Pin 19 | VSS — Ground |
| Pin 20 | AVDD — Analog positive supply |
| Pin 21 | AVSS — Analog ground |
| Pin 22 | AN0 — Analog input 0 |
| Pin 23 | AN1 — Analog input 1 |
| Pin 24 | AN2 — Analog input 2 |
| Pin 25 | AN3 — Analog input 3 |
| Pin 26 | AN4 — Analog input 4 |
| Pin 27 | AN8 — Analog input 8 |
| Pin 28 | AN9 — Analog input 9 |
| Pin 29 | AN10 — Analog input 10 |
| Pin 30 | AN11 — Analog input 11 |
| Pin 31 | VREF+ — ADC voltage reference positive |
| Pin 32 | VREF- — ADC voltage reference negative |
| Pin 33 | AVDD — Analog positive supply |
| Pin 34 | AVSS — Analog ground |
| Pin 35 | RPD0 — Remappable I/O (PPS) |
| Pin 36 | RPD1 — Remappable I/O (PPS) |
| Pin 37 | RPD2 — Remappable I/O (PPS) |
| Pin 38 | RPD3 — Remappable I/O (PPS) |
| Pin 39 | RPD4 — Remappable I/O (PPS) |
| Pin 40 | RPD5 — Remappable I/O (PPS) |
| Pin 41 | RPD6 — Remappable I/O (PPS) |
| Pin 42 | RPD7 — Remappable I/O (PPS) |
| Pin 43 | RPD8 — Remappable I/O (PPS) |
| Pin 44 | RPD9 — Remappable I/O (PPS) |
| Pin 45 | RPD10 — Remappable I/O (PPS) |
| Pin 46 | RPD11 — Remappable I/O (PPS) |
| Pin 47 | VSS — Ground |
| Pin 48 | VDD — Positive supply for I/O logic |
| Pin 49 | OSC1 — Crystal oscillator input |
| Pin 50 | OSC2 — Crystal oscillator output |
| Pin 51 | RPF0 — Remappable I/O (PPS) |
| Pin 52 | RPF1 — Remappable I/O (PPS) |
| Pin 53 | RPF2 — Remappable I/O (PPS) |
| Pin 54 | RPF3 — Remappable I/O (PPS) |
| Pin 55 | RPF4 — Remappable I/O (PPS) |
| Pin 56 | RPF5 — Remappable I/O (PPS) |
| Pin 57 | VSS — Ground |
| Pin 58 | VDD — Positive supply for I/O logic |
| Pin 59 | RPG6 — Remappable I/O (PPS) |
| Pin 60 | RPG7 — Remappable I/O (PPS) |
| Pin 61 | RPG8 — Remappable I/O (PPS) |
| Pin 62 | RPG9 — Remappable I/O (PPS) |
| Pin 63 | VBUS — USB VBUS sense input |
| Pin 64 | VBUSON — USB VBUS power switch control |
Typical Applications
PIC32MX530F128HT-50I/PT is suitable for 7 applications: USB Human Interface Device (HID) Peripherals, CAN-Connected Industrial Sensors and Actuators, Audio Playback/Recording over I2S with External CODEC, Graphic HMI with Parallel Master Port (PMP), Capacitive Touch (mTouch) Panels and Keypads, USB-to-CAN Bridge Gateway, Automotive Infotainment HMI Front-End.
USB Human Interface Device (HID) Peripherals
The PIC32MX530F128HT-50I/PT is well-suited to USB HID peripherals such as keyboards, mice, game controllers and custom input devices. Its on-chip USB 2.0 Full-Speed OTG controller, 128 KB Flash for the HID class stack plus application firmware, and 16 KB SRAM for HID report buffers enable single-chip HID designs without external PHY components. The PPS function allows flexible remapping of USB, UART and timer signals onto the I/O pins, simplifying PCB routing for densely packed HID PCBs. At 50 MHz and 83 DMIPS, the core handles HID polling, debouncing and LED animation with comfortable headroom over the 1 ms USB frame interval.
Recommended
CAN-Connected Industrial Sensors and Actuators
With on-chip CAN 2.0B active module supporting DeviceNet addressing, the PIC32MX530F128HT-50I/PT is a strong fit for industrial sensor nodes, motor-control edge devices, and CAN-bridge gateways. The 128 KB Flash holds CANopen or DeviceNet stack plus application code, while 16 KB SRAM is sufficient for CAN message buffering. Five 16-bit timers deliver precise PWM outputs for actuator control, and the 10-bit ADC at 1 Msps captures up to 28 analog sensor channels - covering thermocouples, strain gauges and 4-20 mA current loops. The -40C to +85C industrial temperature range supports factory-floor operation.
Recommended
Audio Playback/Recording over I2S with External CODEC
Three I2S/SPI modules on the PIC32MX530F128HT-50I/PT enable direct connection to external audio CODECs for stereo playback, voice prompts and recording applications. The DMA controller moves audio samples between the CODEC and SRAM without CPU intervention, freeing the MIPS32 M4K core for processing or UI logic. 128 KB Flash fits small audio file systems plus firmware, while 16 KB SRAM supports several hundred milliseconds of buffer at common 16-bit/44.1 kHz sample rates. The CTMU enables audio-level meter hardware via a low-cost ADC channel.
Recommended
Graphic HMI with Parallel Master Port (PMP)
The integrated Parallel Master Port with dual read/write buffers is purpose-built for driving external graphics controllers or directly addressing small segment-LCD and TFT panels. The PIC32MX530F128HT-50I/PT can refresh a QVGA-resolution TFT over PMP at the 50 MHz core clock, while 128 KB Flash holds graphics libraries and 16 KB SRAM supports frame double-buffering at reduced resolution. The combination of PMP, I2S, USB and CAN enables a multifunctional industrial HMI with audio feedback, USB configuration port and CAN field-bus connection in a single chip.
Recommended
Capacitive Touch (mTouch) Panels and Keypads
The CTMU (Charge Time Measurement Unit) integrated in the PIC32MX530F128HT-50I/PT pairs with the 10-bit 1 Msps ADC to deliver Microchip's mTouch capacitive touch sensing for buttons, sliders and proximity sensors. This eliminates dedicated touch controllers and lowers BOM cost in kitchen appliances, consumer electronics and IoT wall controllers. At 50 MHz, the MIPS32 M4K core simultaneously scans many touch channels while running UI logic. Industrial -40C to +85C operation covers kitchen and outdoor environments where condensation can be a concern.
Recommended
USB-to-CAN Bridge Gateway
Combining the integrated USB 2.0 OTG controller and CAN 2.0B module, the PIC32MX530F128HT-50I/PT can act as a single-chip USB-to-CAN bridge gateway for PC-based configuration, firmware update, or diagnostic interfaces on industrial nodes. 128 KB Flash holds both USB-CDC/HID stack and CANopen or DeviceNet stack concurrently. 16 KB SRAM comfortably buffers USB CDC data and CAN message traffic at typical industrial 250 kbps and 500 kbps rates. The 50 MHz core provides the bandwidth for protocol translation without flow-control latency.
Recommended
Automotive Infotainment HMI Front-End
With USB OTG for media playback, CAN for vehicle-bus connectivity and PMP for driving a colour display, the PIC32MX530F128HT-50I/PT is a candidate front-end controller for non-safety automotive infotainment modules such as head-unit aux panels and instrument-cluster displays. 128 KB Flash covers CAN J1939 stacks plus UI firmware, and 16 KB SRAM supports graphics overlays at QVGA. The -40C to +85C industrial temperature range fits cabin environments. Note: this part is NOT AEC-Q100 qualified - select AEC-Q100 PIC32 variants for safety-critical applications.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX530F128HT-50I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX530F128H-50I/PT | PIC32MX530F128HT-I/MR | PIC32MX530F128H-I/MR | PIC32MX450F256HT-I/PT | PIC32MX430F064HT-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (10x10 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin QFN (8x8 mm) | 64-pin QFN (8x8 mm) | 64-pin TQFP (10x10 mm) - same | 64-pin TQFP (10x10 mm) - same |
| Core | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K | MIPS32 M4K |
| Max CPU Clock | 50 MHz | 50 MHz | 40 MHz | 40 MHz | 40 MHz | 40 MHz |
| Flash | 128 KB | 128 KB | 128 KB | 128 KB | 256 KB (+100%) | 64 KB (-50%) |
| SRAM | 16 KB | 16 KB | 16 KB | 16 KB | 32 KB (+100%) | 16 KB |
| 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 | USB 2.0 FS OTG |
| CAN | Yes (CAN 2.0B active) | Yes | Yes | Yes | Yes | Yes |
| Packaging Form | Tape & Reel (HT suffix) | Tray (H suffix) | Tape & Reel, QFN | Tray, QFN | Tape & Reel | Tape & Reel |
Key Differentiators
- USB 2.0 OTG and CAN 2.0B integrated on a single 50 MHz MIPS32 M4K core (vs PIC32MX430F064HT-I/PT)
- Industrial -40C to +85C qualification with 50 MHz speed grade (vs PIC32MX530F128HT-I/MR (40 MHz I-grade))
- Tape-and-reel packaging as HT suffix for volume manufacturing (vs PIC32MX530F128H-50I/PT (tray, H suffix))
Design Notes
The PIC32MX530F128HT-50I/PT requires two supply rails: VDD for digital I/O at 2.3-3.6V and AVDD for analog at the same voltage. Place 100 nF decoupling capacitors close to each VDD/AVDD pin, plus a 10 uF bulk capacitor near the IC. A ferrite bead between digital and analog supplies prevents digital switching noise from coupling into ADC references. Power-on reset (POR) and brown-out reset (BOR) must be enabled in configuration bits for reliable startup.
Route the 50 MHz CPU clock traces (OSC1/OSC2) and the 48 MHz USB clock traces away from analog inputs to prevent noise coupling. Keep analog traces (ANx, VREF+, VREF-) short and surrounded by AVSS guard traces. The 64-pin TQFP at 0.5 mm pitch requires 4 mil trace-and-space rules for fan-out under the package; escape vias on inner layers. Place the 8 MHz crystal close to OSC1/OSC2 with short, symmetrical traces.
Do not connect USB VBUS directly to VDD; route VBUS through a 5 kohm resistor divider to a digital input for VBUS sensing. Failure to configure the JTAG/TRACE pins as GPIO in config bits leaves them in JTAG mode and prevents normal I/O operation. The PPS (Peripheral Pin Select) function must be unlocked by a key sequence before remapping, and the pin assignments must be locked after init to prevent runtime conflicts. Forgetting to enable the CTMU and ADC together will cause the touch acquisition routines to fail silently.
The USB DP/DM traces on the PIC32MX530F128HT-50I/PT require 90-ohm differential impedance matching to the USB cable. Keep DP/DM traces under 50 mm, maintain constant spacing, and avoid right-angle bends. Series ferrite beads on VBUS and CC lines reduce conducted emissions. The CAN bus requires 120-ohm termination at both ends of the bus and a twisted-pair trace layout to meet CAN 2.0B EMC requirements.
Compliance Information
RoHS and REACH compliant per Microchip product page. NOT AEC-Q100 qualified - for automotive safety applications select PIC32MK or PIC32MX AEC-Q100 variants. Halogen-free status not explicitly confirmed in the verified data - set unknown.
