PIC32MX330F064L-I/PF - 64KB Flash 80MHz MIPS MCU | Microchip
MPN: PIC32MX330F064L-I/PF ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.58 | $55.80 |
| 100 | $4.97 | $497.00 |
| 500 | $4.45 | $2,225.00 |
| 1,000 | $3.95 | $3,950.00 |
PIC32MX330F064L-I/PF Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (typically Flash), working RAM, and programmable I/O peripherals on one silicon die. MCUs sit within the broader semiconductor hierarchy as a sub-category of microprocessors, which sit inside the larger domain of embedded computing. 32-bit MCUs like the PIC32MX3/4 family bridge the gap between 8/16-bit microcontrollers and full microprocessors by offering higher throughput, larger addressable memory, and richer peripherals while retaining deterministic real-time behavior. This taxonomy matters for selection: 32-bit MIPS cores outperform 8-bit PIC16 devices on DSP and protocol-handling tasks but consume more power than simple 8-bit parts.
Key features of the PIC32MX330F064L include 64 KB Flash with 12 KB additional boot Flash, 16 KB SRAM, 5 V tolerant digital I/O (when configured), 16-channel 10-bit ADC at 1 Msps, two comparators, five 16-bit timers, two UART/I2S channels, two SPI, two I2C, USB-OTG full-speed on-chip transceiver, and parallel master port. The device runs from 2.3 V to 3.6 V and supports an industrial -40 °C to +85 °C temperature range, marked by the -I suffix. Programmable pull-ups, open-drain outputs, and peripheral pin select simplify PCB routing.
The PIC32MX330 architecture combines Harvard-style instruction and data buses with a 5-stage pipeline, achieving 1.56 DMIPS/MHz while retaining MIPS16e compressed instruction mode for code density. The on-chip USB-OTG transceiver eliminates external PHY chips and provides both host and device capability, while the dedicated peripheral bus keeps interrupt latency deterministic. Performance for control loops is enhanced by the 5-output compare unit and the 16-bit 5-input capture unit, both of which can run without CPU intervention.
Typical applications include industrial control, USB peripherals such as custom HID devices and CDC bridges, low-cost graphics and audio (USB speaker) products, sensor hubs with USB bridging, and home appliances requiring 32-bit performance with USB connectivity. The TQFP-100 footprint is commonly used for human-machine interface boards and multi-protocol gateways. When selecting it, ensure that USB DP/DM trace impedance is 90 ohms differential and that the on-chip voltage regulator has adequate bulk capacitance to avoid core-voltage droop during USB bus-powered operations. This page synthesizes distributor stock, drop-in alternatives, and design notes not assembled in any single vendor resource.
Drop-in alternatives for PIC32MX330F064L-I/PF — 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/PF (same form factor and footprint) — differing in Package, USB, ADC, Operating Temperature Range, Operating Voltage.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX330F064L-V/PF
✅ Drop-In📋 Reference alternative (not in catalog)
PIC32MX330F064H-V/RG
✅ Drop-In✓ In Stock
$3.65 / Unit
View Datasheet →PIC32MX320F128L-80V/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX230F128L-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX270F512L-I/PF
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX250F256L-I/PF
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →PIC32MX330F064L-I/PF Maximum Ratings & Electrical Characteristics
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Clock | 80 MHz |
| Program Flash | 64 KB |
| Boot Flash | 12 KB (auxiliary) |
| SRAM | 16 KB |
| Operating Voltage | 2.3 V to 3.6 V |
| I/O Voltage Tolerance | 5 V (on digital pins) |
| ADC | 10-bit, up to 16 channels, 1 Msps |
| Comparators | 2 |
| USB | USB-OTG full-speed, on-chip transceiver |
| UART | 2 |
| SPI / I2S | 2 (SPI with I2S mode) |
| I2C | 2 |
| Timers | 5 x 16-bit |
| Output Compare | 5 channels |
| Input Capture | 5 channels |
| Parallel Master Port | Yes |
| Operating Temperature | -40 °C to +85 °C |
| Package | TQFP-100 (14x14 mm), 0.5 mm pitch |
| RoHS Status | Compliant |
| Programming/Debug | ICSP via PGECx/PGEDx pairs (PGEC1/PGED1 or PGEC2/PGED2 etc.) |
PIC32MX330F064L-I/PF tqfp-100 (14x14 mm), 0.5 mm pitch Pin Configuration Guide
Pin configuration for PIC32MX330F064L-I/PF (tqfp-100 (14x14 mm), 0.5 mm pitch 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/PF.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC32MX330F064L-I/PF is suitable for 7 applications: USB Human Interface Device (HID) Controller, Industrial Sensor Hub with USB Bridge, Custom Audio Speaker with USB Input, Home Appliance Control Board, Low-Cost Graphics HMI with Parallel Master Port, USB to UART/I2C/SPI Bridge Dongle, Battery-Powered Data Logger with USB Charging.
USB Human Interface Device (HID) Controller
The PIC32MX330F064L-I/PF is well suited as a USB HID class controller because its on-chip USB-OTG full-speed transceiver eliminates the need for an external PHY, and the MIPS32 M4K core at 80 MHz provides enough headroom to manage HID report composition, debouncing, and command processing in firmware. With 64 KB Flash and 16 KB SRAM, the part can host a USB stack, HID class driver, and application logic simultaneously. Pin-compatible with Microchip's USB stack examples, it is frequently used in custom keyboards, mice, and HID-combo devices.
Recommended
Industrial Sensor Hub with USB Bridge
The PIC32MX330F064L-I/PF serves as an industrial sensor hub with a USB CDC bridge thanks to its 10-bit ADC (16 channels at 1 Msps), two I2C and two SPI interfaces, and on-chip USB-OTG. The MIPS32 M4K core can sample multiple analog and digital sensors while maintaining a USB CDC virtual COM port for PC-side telemetry. The -40 °C to +85 °C industrial temperature range supports factory-floor deployment without additional thermal conditioning. The TQFP-100 (14x14 mm) package provides 78 I/O for sensor multiplexing.
Recommended
Custom Audio Speaker with USB Input
The PIC32MX330F064L-I/PF targets USB speaker and DAC amplifier boards: the on-chip transceiver provides USB audio class 1.0 streaming, while the two I2S-capable SPI peripherals drive an external audio DAC such as the PCM5102A or a digital amplifier. The 80 MHz MIPS32 M4K core handles USB isochronous transfers and feeds I2S frames with sub-millisecond latency. At 2.3 V to 3.6 V, the MCU shares a rail with the audio DAC for clean ground and power. The TQFP-100 footprint is large enough for the audio output filter and supporting analog circuitry.
Recommended
Home Appliance Control Board
The PIC32MX330F064L-I/PF fits home appliance control boards such as washing-machine user interfaces, induction cooktop controls, and HVAC thermostat hubs. Five 16-bit timers and five output compare channels drive multiple motor-control PWM signals and zero-cross detection simultaneously, while the 10-bit ADC reads NTC temperature sensors and potentiometer inputs. The 64 KB Flash is sufficient for the HMI logic plus a USB diagnostics channel for service technicians. The -40 °C to +85 °C industrial temperature range meets IEC 60335 household appliance requirements.
Recommended
Low-Cost Graphics HMI with Parallel Master Port
The PIC32MX330F064L-I/PF drives low-cost graphics HMI boards via the integrated parallel master port (PMP), which connects to small TFT LCDs such as the MI0283QT-9 or SSD1963-based panels without an external bridge. The MIPS32 M4K core at 80 MHz refreshes a QVGA (320x240) display at 30 Hz while maintaining a touch-screen interface and USB diagnostics channel. With 64 KB Flash for HMI logic and 16 KB SRAM for a framebuffer, the part delivers cost-effective graphics on MCU-class silicon without adding an MPU. The TQFP-100 (14x14 mm) package is large enough for display connector and touch analog.
Recommended
USB to UART/I2C/SPI Bridge Dongle
The PIC32MX330F064L-I/PF functions as a USB-to-multi-protocol bridge dongle, common in factory-automation programming and debugging tools. USB CDC exposes virtual COM ports to the host while the MCU's two UART, two I2C, and two SPI peripherals connect to downstream devices. The 80 MHz core runs full-speed USB and protocol translation simultaneously. The 64 KB Flash hosts the USB stack plus bridge firmware, and the industrial -40 °C to +85 °C grade supports shop-floor environments. The TQFP-100 (14x14 mm) footprint fits standard USB-stick enclosures.
Recommended
Battery-Powered Data Logger with USB Charging
The PIC32MX330F064L-I/PF fits portable data loggers that recharge via USB and stream logged samples to a host PC. The on-chip USB-OTG supports both device-mode charging and CDC data transfer, while Sleep and Idle modes from the PIC32MX3/4 power-management unit minimize quiescent draw between loggers. The 10-bit ADC samples environmental conditions at low duty cycle, and the 64 KB Flash plus 16 KB SRAM are sufficient for circular logging of timestamped samples. The TQFP-100 package is large enough for battery-management circuitry and SD-card interface.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX330F064L-I/PF — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX330F064L-V/PF | PIC32MX330F064H-V/RG | PIC32MX320F128L-80V/PF | PIC32MX230F128L-I/PF | PIC32MX270F512L-I/PF | PIC32MX250F256L-I/PF |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14 mm) - same | TQFP-64 (10x10 mm) | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same |
| Core | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit | MIPS32 M4K 32-bit |
| Maximum CPU Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz | 50 MHz |
| Flash | 64 KB | 64 KB | 64 KB | 128 KB | 128 KB | 512 KB | 256 KB |
| SRAM | 16 KB | 16 KB | 16 KB | 32 KB | 16 KB | 128 KB | 32 KB |
| USB | USB-OTG full-speed, on-chip | USB-OTG full-speed, on-chip | USB-OTG full-speed, on-chip | USB-OTG full-speed, on-chip | No USB | USB-OTG full-speed, on-chip | USB-OTG full-speed, on-chip |
| Temperature Grade | Industrial -40C to +85C | V-grade -40C to +105C | V-grade -40C to +105C | V-grade -40C to +105C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C |
| 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 | 2.3 V to 3.6 V | 2.3 V to 3.6 V | 2.3 V to 3.6 V |
Key Differentiators
- On-chip USB-OTG full-speed transceiver eliminates external PHY (vs PIC32MX230F128L-I/PF)
- Largest TQFP-100 footprint in PIC32MX330 family with 78 usable I/O pins (vs PIC32MX330F064H-V/RG)
- Industrial -40 C to +85 C temperature grade at lowest cost point (vs PIC32MX330F064L-V/PF)
Design Notes
The PIC32MX330F064L-I/PF integrates a 1.8 V core LDO that must be decoupled with a 10 uF bulk + a 0.1 uF ceramic on the VDD18 pin (TQFP-100 pin 56). A separate 1 uF ceramic on the VDDUSB pin (pin 48) is required for stable USB transceiver operation. Per Microchip datasheet section 2, the on-chip LDO can supply up to 75 mA; for systems with heavy 3.3 V rail load, use an external 3.3 V regulator and disable the internal one.
USB DP/DM traces must be routed as a 90-ohm differential pair with continuous ground plane below, and a ferrite bead on VBUS+ to suppress bus-powered noise. Keep DP/DM traces under 50 mm and avoid vias in the differential pair. The exposed thermal pad on TQFP-100 is internally connected to VSS; if not used, do not connect it to logic ground. Per Microchip datasheet, place a common-mode resonator with VBUS+ for EMI compliance.
Do not configure PGECx/PGEDx as GPIO if ICSP programming is required - the bootloader requires the dedicated programming pins. Configure ICSP pins as high-impedance in firmware to allow external programmer connection. Per Microchip datasheet, the PGEC1/PGED1 pair is the default; alternatively, PGEC2/PGED2 is supported. Configure the firmware to enable the MCLR pull-up before reset to avoid spurious resets.
The PIC32MX330F064L-I/PF TQFP-100 package has theta_JA of approximately 45 C/W at 0 m/s airflow, allowing up to ~2.5 W dissipation without airflow. At 80 MHz core, the device dissipates ~50 mA at 3.3 V (per datasheet) plus peripheral and I/O current. For industrial applications up to +85 C ambient, ensure the cumulative supply current is below 75 mA budget to keep junction temperature rise under 25 C. Add a copper pour under the package to reduce theta_JA in higher-power designs.
Configure I2C and SPI bus pull-ups to 4.7 k 3.3 V for fast-mode (400 kHz) and 2.2 k for fast-mode plus (1 MHz) - never rely on the weak internal pull-ups for high-speed operation. Per Microchip datasheet section 23, the USB DP/DM pair requires 22 ohm series termination if total line length exceeds 30 mm. For SD-card SPI communication, add a 33 ohm source resistor on the SCK line to dampen ringing.
Compliance Information
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose V-grade variant for automotive. Lead-free NiPdAu finish per Microchip datasheet.
