PIC32MX330F064H-V/MR - 80MHz 64KB Flash 32-bit MCU | Microchip
MPN: PIC32MX330F064H-V/MR ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.42 | $6.42 |
| 10 | $5.78 | $57.80 |
| 100 | $5.14 | $514.00 |
| 500 | $4.62 | $2,310.00 |
| 1,000 | $4.15 | $4,150.00 |
PIC32MX330F064H-V/MR Overview
A microcontroller (MCU) is a single-chip computer integrating a processor core, memory, and peripherals on one die. Within the power-management hierarchy of embedded systems, the MCU sits at the top of the control chain, orchestrating sensors, actuators, and communication interfaces. The PIC32MX3/4 family is Microchip's entry point into 32-bit PIC performance, occupying the tier above 8-bit PIC16/PIC18 and 16-bit PIC24 devices, and below the high-performance PIC32MZ.
Key features of the PIC32MX330F064H-V/MR include USB OTG (On-The-Go) full-speed host/device support, a Charge Time Measurement Unit (CTMU) for capacitive touch, DMA controller, I2S audio interface, and two SPI/I2S modules. Operating voltage spans 2.3V to 3.6V (2.5V/3.3V nominal), and the -V temperature grade covers -40C to +125C. Critically, this suffix is AEC-Q100 qualified, making it suitable for automotive and harsh-environment industrial designs.
Architecturally, the MIPS32 M4K core uses a 5-stage pipeline with a 32-bit instruction set executed from zero-wait-state Flash at full 80 MHz speed. The peripheral bus and prefetch buffering sustain high code throughput, while DMA offloads data movement for USB and audio streams, reducing CPU load in real-time applications.
Typical applications include automotive body and comfort modules, USB-connected industrial instruments, capacitive-touch human-machine interfaces, and audio accessories leveraging I2S. The 64-QFN footprint with exposed pad provides good thermal and electrical grounding for space-constrained boards.
Design-wise, budget the 9x9 mm QFN land pattern with adequate via stitching under the exposed pad, and verify USB impedance control (90-ohm differential) on D+/D-. Consider Flash self-programming endurance when planning field updates.
This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC32MX330F064H-V/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 PIC32MX330F064H-V/MR (same form factor and footprint) — differing in USB, ADC, Operating Temperature, Package, DMA.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX330F064H-I/MR
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC32MX330F064HT-V/MR
✅ Drop-In✓ In Stock
$4.12 / Unit
View Datasheet →PIC32MX340F128H-V/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX350F128H-V/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX330F064H-V/RG
✅ Drop-In✓ In Stock
$3.65 / Unit
View Datasheet →PIC32MX330F064H-V/MR Maximum Ratings & Electrical Characteristics
| Core Processor | MIPS32 M4K |
| Core Size | 32-bit |
| Max Clock Speed | 80 MHz |
| Performance | 100 DMIPS |
| Flash Program Memory | 64 KB (64K x 8) |
| SRAM | 16 KB |
| Supply Voltage Range | 2.3 V to 3.6 V (2.5V/3.3V nominal) |
| Operating Temperature | -40C to +125C (V grade) |
| Package | 64-VQFN (9x9 mm) with exposed pad |
| USB | USB OTG full-speed (host/device) |
| Communication Interfaces | I2C, SPI/I2S x2, UART, USB |
| Touch Sensing | CTMU (Charge Time Measurement Unit) |
| DMA Channels | Yes (DMA controller) |
| Qualification | AEC-Q100 automotive |
| Mounting Type | Surface Mount |
| Packaging | Tube |
| RoHS Status | Compliant |
PIC32MX330F064H-V/MR 64-vqfn (9x9 mm) with exposed pad Pin Configuration Guide
Pin configuration for PIC32MX330F064H-V/MR (64-vqfn (9x9 mm) with exposed pad 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 PIC32MX330F064H-V/MR.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX330F064H-V/MR is suitable for 6 applications: Automotive Body and Comfort Modules, USB-Connected Industrial Instruments, Capacitive Touch HMI Panels, Audio Accessories and I2S Peripherals, Embedded Control and Motor Assistance, IoT Sensor Nodes and Gateways.
Automotive Body and Comfort Modules
The PIC32MX330F064H-V/MR is AEC-Q100 qualified with a -40C to +125C V temperature grade, making it suitable for automotive body-control, lighting, and comfort modules that see wide thermal excursions. The 80 MHz MIPS32 M4K core provides headroom for LIN/CAN-adjacent protocol handling and diagnostics, while the CTMU enables capacitive touch panels on interior controls such as climate and door modules. The 64-VQFN 9x9 mm exposed-pad package supports compact ECUs and conducts heat to the PCB ground plane, which matters in sealed enclosures. Designers should verify junction temperature at worst-case ambient using the package theta-JA and derate GPIO loads accordingly; the extended temperature grade removes the need for external thermal mitigation in most body-electronics power budgets.
Recommended
USB-Connected Industrial Instruments
With an integrated full-speed USB OTG controller and on-chip transceiver, the PIC32MX330F064H-V/MR connects directly to PC hosts or USB peripherals such as flash drives without an external PHY. The 80 MHz/100 DMIPS core runs USB class stacks (CDC, MSD, HID) concurrently with measurement routines, and the DMA controller streams ADC and UART data to USB buffers with minimal CPU intervention. The 16 KB SRAM accommodates double-buffered USB endpoints alongside application state. In industrial settings the -40C to +125C rating and AEC-Q100 qualification exceed typical factory floor requirements, providing margin. Place 90-ohm differential impedance routing on D+/D- and use the internal regulator's 3.3V guidance from the datasheet for VUSB3V3 decoupling to pass USB eye tests on first iteration.
Recommended
Capacitive Touch HMI Panels
The CTMU (Charge Time Measurement Unit) on the PIC32MX330F064H-V/MR is purpose-built for capacitive touch sensing, supporting multi-key buttons, sliders, and rotary wheels using Microchip mTouch software libraries. The 80 MHz core scans touch channels in the background while the USB OTG or UART interface reports gesture data to a host - a common architecture for appliance and HVAC control panels. The V-grade -40C to +125C range keeps touch thresholds stable across harsh environments, and the two SPI/I2S modules can drive local displays or audio feedback. Layout is the critical success factor: keep touch traces short, guard with ground, and calibrate threshold margins across the full temperature range during design validation to guarantee wake-on-touch reliability.
Recommended
Audio Accessories and I2S Peripherals
The PIC32MX330F064H-V/MR includes two SPI/I2S modules, letting it act as I2S master or slave for digital audio codecs and amplifiers. The Mouser listing explicitly identifies I2S support among its peripherals, and the 80 MHz core has sufficient bandwidth to manage audio buffering, USB streaming, and control tasks simultaneously in products such as USB audio dongles, speaker docks, and microphone arrays. The DMA controller transfers audio samples between memory and I2S without CPU polling, reducing jitter and power. With 16 KB SRAM, allocate ping-pong DMA buffers carefully for lower-latency streaming. Pair with a codec that supports the target sample rates and verify MCLK/BCLK ratios against the PIC32 reference clock configuration tables in the family datasheet.
Recommended
Embedded Control and Motor Assistance
For general embedded control - pumps, fans, actuators, and auxiliary motor drives - the PIC32MX330F064H-V/MR combines a fast 32-bit core with CTMU, multiple timers, and DMA at a low cost point. The 100 DMIPS performance executes PID control loops at kilohertz rates while simultaneously servicing communication (UART, SPI, I2C) and touch or USB interfaces. The 2.3V to 3.6V supply range allows direct operation from a single Li-ion cell or a 3.3V industrial rail. The V temperature grade and AEC-Q100 qualification give reliability margin in enclosed, warm environments such as motor housings. Designers should dedicate a high-priority timer and DMA channel to the control loop, and use the exposed-pad QFN for heat spreading when switching devices share the PCB.
Recommended
IoT Sensor Nodes and Gateways
The PIC32MX330F064H-V/MR serves as a capable MCU in IoT nodes and local gateways where USB, UART, SPI, and I2C connectivity must coexist. The 64 KB Flash holds communication stacks (USB CDC, protocol bridges) plus application logic, while the DMA offloads sensor data movement between I2C/SPI peripherals and memory. With the CTMU also usable as a fast analog measurement front end, the single chip can handle sensor acquisition, local decision logic, and upstream reporting. The -40C to +125C range and AEC-Q100 qualification suit outdoor and automotive-adjacent deployments such as telematics dongles. For power-sensitive nodes, use the MCU sleep/doze modes with a low-Iq LDO and wake on UART or CTMU events to extend battery life.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX330F064H-V/MR — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX330F064H-I/MR | PIC32MX330F064HT-V/MR | PIC32MX340F128H-V/MR | PIC32MX350F128H-V/MR |
|---|---|---|---|---|---|
| Package | 64-VQFN (9x9 mm) | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same | 64-VQFN (9x9 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | MIPS32 M4K, 80 MHz (100 DMIPS) | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz | MIPS32 M4K, 80 MHz |
| Flash Memory | 64 KB | 64 KB | 64 KB | 128 KB | 128 KB |
| Operating Temperature | -40C to +125C (V grade) | -40C to +85C (I grade) | -40C to +125C (V grade) | -40C to +125C (V grade) | -40C to +125C (V grade) |
| USB OTG | Yes (full-speed) | Yes (full-speed) | Yes (full-speed) | Yes (full-speed) | Yes (full-speed) |
| Packaging | Tube | Tube | Tape & Reel | Tube | Tube |
Key Differentiators
- Extended -40C to +125C automotive temperature grade (vs PIC32MX330F064H-I/MR)
- Integrated USB OTG with on-chip transceiver (vs PIC32MX320F064H-40V/PT)
- Tube packaging with drop-in tape-and-reel option (vs PIC32MX330F064HT-V/MR)
- Memory growth path without PCB change (vs PIC32MX340F128H-V/MR)
Design Notes
The 64-VQFN (9x9 mm) exposed pad is the primary ground and heat-removal path. Create a ground pad matching the exposed-pad dimensions with a 3x3 or larger via array stitched to the internal ground plane; per Microchip QFN layout guidance, insufficient via coverage raises effective theta-JA and degrades CTMU touch sensitivity through ground bounce. Keep the USB D+/D- pair routed as a 90-ohm differential with length matching within 1-2 mm, and place 0.1 uF decoupling capacitors on each VDD pin within 2 mm of the pin.
The PIC32MX330F064H-V/MR operates from 2.3V to 3.6V; supply it from a clean 3.3V rail with at least 10 uF bulk plus per-pin 0.1 uF ceramics. If USB is used, the on-chip regulator requires the VUSB3V3 pin decoupled per the family datasheet recommendation (typically 0.22-0.47 uF) and must not be driven externally. Estimated current draw at 80 MHz is on the order of 30-40 mA (verify against the datasheet DC characteristics table for your configuration); budget the LDO dropout accordingly when powering from a 3.3V source generated by a buck converter.
Do not confuse temperature-grade suffixes when sourcing: -V covers -40C to +125C and is the automotive AEC-Q100 grade, while -I tops out at +85C. Substituting I for V in an automotive design voids temperature compliance even though the silicon is identical. Also note that some third-party databases (Xecor) list this suffix as obsolete while Microchip lists the family as active - always verify lifecycle against Microchip PCNs. Finally, confirm the suffix-to-package code (MR = 64-QFN, RG/PT = TQFP-64) against the latest ordering information before releasing the BOM.
CTMU touch channels are high-impedance inputs; route touch traces away from USB, SPI clocks, and switching regulator nodes. Where touch keys sit near the USB connector, add a ground guard ring and scan-touch/USB-activity time multiplexing in firmware, since USB traffic modulates ground potential and can produce false detections. Using short (under 50 mm) traces and consistent trace widths across keys simplifies per-channel threshold calibration across the -40C to +125C range.
Compliance Information
AEC-Q100 automotive qualification confirmed by distributor parametric data (datasheets.com: 'automotive aec-q100'). RoHS/lead-free per standard Microchip product status; REACH and halogen-free status not stated in provided data - confirm on Microchip's environmental page.
