PIC32MX330F064L-I/TL - 80MHz 32-bit MCU 64KB Flash USB | Microchip
MPN: PIC32MX330F064L-I/TL ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.16 | $6.16 |
| 10 | $5.54 | $55.40 |
| 100 | $4.93 | $493.00 |
| 500 | $4.43 | $2,215.00 |
| 1,000 | $3.96 | $3,960.00 |
PIC32MX330F064L-I/TL Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, RAM, and a rich set of peripherals. Within the broader taxonomy, a 32-bit MCU sits above 8-bit/16-bit MCUs and below microprocessors, balancing deterministic real-time control with the headroom to run graphical user interfaces, USB stacks, and audio processing pipelines. The PIC32MX3/4 family targets cost-sensitive embedded designs that need USB connectivity and Human-Machine Interface (HMI) peripherals without paying for higher-end Cortex-M parts.
Key specifications include 64 KB Flash with 12 KB auxiliary boot Flash, 16 KB SRAM, 2.3V to 3.6V single-supply operation, 5V-tolerant I/O, Peripheral Pin Select (PPS) remappable digital functions, JTAG debug, and an industrial -40C to +85C operating range. The MIPS M4K core includes hardware Multiply/Divide and a single-cycle 32-bit ALU, enabling fast DSP-style math loops in motor control and audio equalization.
Typical applications are USB audio peripherals (headsets, speakers, MIDI controllers), low-cost graphics terminals using PMP-driven TFT panels, capacitive touch user interfaces (kitchen appliances, white goods), and industrial sensor hubs that need USB-OTG host/device toggling. The integrated CTMU replaces external touch controller ICs in many designs, while the two I2S modules support stereo codec streaming without an external audio bridge.
For new designs, the -120 speed grade variant (PIC32MX330F064L-120I/TL) raises the core clock to 120 MHz for 150 DMIPS when extra processing headroom is needed. Engineers migrating from older PIC32MX1/2 families gain USB-OTG, more PWM timers, and the richer PPS routing matrix at the same VTLA-124 footprint.
Drop-in alternatives for PIC32MX330F064L-I/TL — 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 PIC32MX330F064L-I/TL (same form factor and footprint) — differing in Package, ADC, Core Architecture, USB, DMA Channels.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX330F064L-120I/TL
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX330F064L-V/TL
✅ Drop-In✓ In Stock
$2.89 / Unit
View Datasheet →PIC32MX330F064L-I/PF
✅ Drop-In✓ In Stock
$3.95 / Unit
View Datasheet →PIC32MX330F064L-I/PT
✅ Drop-In✓ In Stock
$4.62 / Unit
View Datasheet →PIC32MX430F064L-I/TL
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC32MX350F128L-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX370F256L-I/TL
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX330F064L-I/TL Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K |
| Maximum CPU Clock | 80 MHz |
| DMIPS Performance | 105 DMIPS |
| Program Flash Memory | 64 KB |
| Auxiliary Flash | 12 KB |
| SRAM | 16 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| I/O Pins (approx.) | 85 (124-pin package) |
| Operating Temperature | -40C to +85C (Industrial, -I suffix) |
| USB | USB 2.0 Full-Speed OTG |
| SPI / I2S Modules | 2 |
| I2C Modules | 2 |
| UART Modules | 5 |
| PMP (Parallel Master Port) | Yes (8/16-bit data, graphics) |
| CTMU (Capacitive Touch) | Yes |
| ADC | 10-bit, up to 1.1 Msps, up to 28 channels |
| Comparators | Yes |
| Timers | 5 16-bit or 2 16-bit + 1 32-bit |
| Output Compare / PWM | 5 OC / 5 PWM channels |
| DMA Channels | 8 |
| Package | VTLA-124 (TLA), 9x9 mm |
| Peripheral Pin Select (PPS) | Yes |
| JTAG Debug | Yes (4-wire MIPS Enhanced) |
| Trace | No (use JTAG) |
| RoHS Status | Compliant |
| Lead-Free / Halogen-Free | Lead-free (per Microchip product page) |
PIC32MX330F064L-I/TL vtla-124 (tla), 9x9 mm Pin Configuration Guide
Pin configuration for PIC32MX330F064L-I/TL (vtla-124 (tla), 9x9 mm 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 PIC32MX330F064L-I/TL.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX330F064L-I/TL is suitable for 6 applications: USB Audio Peripherals (Headsets / Speakers), Capacitive Touch HMI Panels, Low-Cost Graphics Terminals (TFT via PMP), Industrial Sensor Hubs / Data Loggers, USB-OTG Dual-Role Accessories, MIDI Controllers and Music Production Gear.
USB Audio Peripherals (Headsets / Speakers)
The PIC32MX330F064L-I/TL is purpose-built for USB audio peripherals thanks to its integrated USB 2.0 full-speed OTG controller with internal transceiver and dual I2S modules that connect directly to a stereo codec. The 80 MHz MIPS32 M4K core delivers 105 DMIPS, enough MIPS to handle USB isochronous streaming, sample-rate conversion, and small audio DSP effects like parametric EQ without an external DSP. The 16 KB SRAM buffers two-channel 48 kHz audio comfortably, while 64 KB Flash holds the USB audio class driver and HID volume-control firmware. Designers save an external codec bridge IC, and the 124-pin VTLA package exposes all the I/O needed for button matrices and indicator LEDs.
Recommended
Capacitive Touch HMI Panels
The PIC32MX330F064L-I/TL integrates the Charge Time Measurement Unit (CTMU) for capacitive touch sensing, removing the need for an external touch controller IC in many designs. With up to 28 ADC channels and 85+ I/O, the MCU can scan and process multi-touch keypads, sliders, and proximity sensors in real time while running the HMI graphics on the PMP-driven TFT panel. The 2.3 to 3.6 V supply and 5V-tolerant I/O simplify interfacing with industrial sensors and LED drivers. Combined with USB-OTG, designers can deliver a touch panel that doubles as a configuration USB device, ideal for white goods, kitchen appliances, and industrial control units.
Recommended
Low-Cost Graphics Terminals (TFT via PMP)
The PIC32MX330F064L-I/TL's Parallel Master Port (PMP) drives 8-bit and 16-bit TFT displays directly, enabling cost-effective graphical UI terminals without an external graphics controller. With 105 DMIPS of headroom, the MCU can refresh small QVGA/WQVGA panels at 30+ FPS while running menus, icons, and basic animations. The Peripheral Pin Select (PPS) remapping gives PCB designers flexibility when routing the data bus and control signals around the 124-pin VTLA package. Industrial designers benefit from the -40C to +85C operating range, making the part suitable for indoor/outdoor signage, building automation panels, and shop-floor HMIs.
Recommended
Industrial Sensor Hubs / Data Loggers
Industrial sensor hubs demand reliable USB connectivity for configuration and data download, plus enough peripherals to read multiple analog and digital sensors. The PIC32MX330F064L-I/TL delivers five UART ports for Modbus or RS-485 sensor chains, two I2C buses for environmental sensors, two I2S/SPI for digital microphones or accelerometers, and a 28-channel 10-bit ADC at 1.1 Msps. Eight DMA channels offload continuous ADC sampling from the CPU, leaving MIPS for logging to external SPI Flash or driving a USB stick via OTG host mode. The -40C to +85C industrial temperature grade matches factory-floor requirements.
Recommended
USB-OTG Dual-Role Accessories
The integrated On-The-Go (OTG) controller with Session Request Protocol (SRP) and Host Negotiation Protocol (HNP) lets the PIC32MX330F064L-I/TL toggle between USB host and device roles at runtime. Designers use this in portable accessories such as field-data collectors, barcode-scanner dongles, and USB test fixtures that must connect either to a PC or to a peripheral USB stick. The internal USB transceiver eliminates the external PHY, while the CTMU provides a low-cost touch wake-up mechanism for battery-powered operation. With USB host mode, designers can interface to mass storage, HID keyboards, and CDC serial devices without any companion IC.
Recommended
MIDI Controllers and Music Production Gear
MIDI controllers rely on USB device class compliance plus real-time processing of key/knob/encoder inputs. The PIC32MX330F064L-I/TL's USB 2.0 full-speed device mode handles MIDI 1.0 streams to DAWs, while its 28 ADC channels read analog potentiometers and faders with low latency. The two I2S modules are useful for driving LEDs via APA102 or WS2812 strips with precise timing. With 105 DMIPS, the MCU can run 16 to 32 channel MIDI routing with on-board preset storage. The 124-pin VTLA package brings out enough GPIO to drive 5x5 or 6x6 key matrices and OLED status displays.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX330F064L-I/TL — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX330F064L-120I/TL | PIC32MX330F064L-V/TL | PIC32MX330F064L-I/PF | PIC32MX330F064L-I/PT | PIC32MX430F064L-I/TL |
|---|---|---|---|---|---|---|
| Package | VTLA-124 (TLA), 9x9 mm | VTLA-124 (TLA), 9x9 mm | VTLA-124 (TLA), 9x9 mm | TQFP-100 (PF), 14x14 mm | TQFP-100 (PT), 12x12 mm | VTLA-124 (TLA), 9x9 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Clock | MIPS32 M4K, 80 MHz | MIPS32 M4K, 120 MHz (+50%) | MIPS32 M4K, 80 MHz (same) | MIPS32 M4K, 80 MHz (same) | MIPS32 M4K, 80 MHz (same) | MIPS32 M4K, 80 MHz (same) |
| DMIPS | 105 DMIPS | 150 DMIPS (+43%) | 105 DMIPS (same) | 105 DMIPS (same) | 105 DMIPS (same) | 105 DMIPS (same) |
| Program Flash | 64 KB | 64 KB (same) | 64 KB (same) | 64 KB (same) | 64 KB (same) | 64 KB (same) |
| SRAM | 16 KB | 16 KB (same) | 16 KB (same) | 16 KB (same) | 16 KB (same) | 16 KB (same) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +105C (Extended, +20C range) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| CAN Bus | No | No | No | No | No | Yes (added CAN) |
| Differentiating Feature | USB-OTG + CTMU + PMP | Same features, +50% clock | Same features, +105C temp | Same features, fewer I/O | Same features, TQFP package | Same features + CAN |
Key Differentiators
- Same VTLA-124 footprint with 50 percent more CPU clock headroom (vs PIC32MX330F064L-120I/TL)
- Same VTLA-124 footprint with 20C wider operating temperature range (vs PIC32MX330F064L-V/TL)
- Same VTLA-124 footprint with CAN bus and richer DMA mapping (vs PIC32MX430F064L-I/TL)
Design Notes
The PIC32MX330F064L-I/TL operates from a single 2.3 to 3.6 V supply; place a 10 uF bulk capacitor plus a 0.1 uF decoupling cap within 5 mm of every VDD/AVDD pin pair. According to the Microchip datasheet, AVSS and AGND pins require their own short return path to the regulator - do not share a wide ground plane with noisy digital returns, or ADC accuracy degrades. Estimated: at 80 MHz the core draws ~45 mA from VDD, so a 3.3V LDO with at least 100 mA headroom is appropriate.
Use a 4-layer PCB with a continuous ground plane for the VTLA-124 package - the exposed thermal pad (EP) on the underside must be soldered down to multiple thermal vias to keep junction temperature below 125C under full USB + 80 MHz load. According to Microchip layout guidelines, keep the 48 MHz USB DP/DN traces strictly 90 ohm differential with maximum length 50 mm and no stubs; route D+/D- away from any switching signals to preserve signal integrity.
Do not omit the 12 KB auxiliary Flash configuration word - the boot Flash holds the bootloader vector and ICSP timing parameters. Per Microchip errata, leaving the configuration fuses blank will lock the part after first reset. Always use MPLAB X IDE with the latest PIC32MX3/4 device pack to program the config bits via the production tool, and verify the JTAG pins (TCK/TMS/TDI/TDO) are correctly routed with 4.7 kohm pull-ups on TCK/TMS if JTAG is unused.
Peripheral Pin Select (PPS) lets you remap most digital peripheral functions to any remappable I/O, which is critical for the 124-pin VTLA package. According to the PIC32MX3/4 family datasheet, up to three PPS input and output groups exist - lock the PPS mapping at compile time using the MCC plugin, and verify pin allocation in the I/O view before laying out the PCB. A common pitfall is enabling floating analog pins, which causes ADC cross-talk; configure all unused pins as digital outputs low.
Compliance Information
RoHS and REACH compliance per Microchip product page; lead-free finish confirmed. AEC-Q100 qualification is not applicable for the -I/TL industrial-grade variant - AEC-Q100 qualified automotive grades are NOT offered in the PIC32MX330F064L family; AEC-Q100 is available in selected PIC32MK/MX1/2 automotive families.
