PIC32MX330F064HT-I/RG - 100MHz 32-bit MCU 64-VQFN | Microchip
MPN: PIC32MX330F064HT-I/RG ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.4 | $6.40 |
| 10 | $5.85 | $58.50 |
| 100 | $5.2 | $520.00 |
| 500 | $4.6 | $2,300.00 |
| 1,000 | $4.1 | $4,100.00 |
| 3,000 | $3.65 | $10,950.00 |
PIC32MX330F064HT-I/RG Overview
Drop-in alternatives for PIC32MX330F064HT-I/RG — 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 PIC32MX330F064HT-I/RG (same form factor and footprint) — differing in ADC, Package, USB, Core Architecture, DMIPS.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC32MX330F064H-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.1 / Unit
View Datasheet →PIC32MX340F064H-I/MR
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC32MX330F064HT-V/RG
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →PIC32MX330F064HT-I/RG
✅ Drop-In✓ In Stock
$3.65 / Unit
View Datasheet →PIC32MX330F064HT-I/RG Maximum Ratings & Electrical Characteristics
| Core | MIPS32 M4K |
| Core Architecture | PIC32MX (32-bit RISC) |
| Maximum CPU Speed | 100 MHz |
| Program Flash | 64 KB (64K x 8, 77824 bytes per Microchip USA) |
| Data SRAM | 16 KB (16384 bytes) |
| Package | 64-pin VQFN 9x9 mm (RG) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial -I) |
| USB | USB 2.0 full-speed device/host/OTG |
| ADC | 10-bit |
| MSL Level | 3 (per JEDEC J-STD-020 for QFN) |
| Lead-Free / RoHS | Lead-free (verify lot markings) |
PIC32MX330F064HT-I/RG Pin Configuration
| Pin 1 | RG15 — General-purpose I/O / port pin |
| Pin 2 | VDD — Core supply (verify VDD rail per datasheet) |
| Pin 3 | VSS — Ground reference |
| Pin 4 | OSC1 — Crystal oscillator input / system clock |
| Pin 5 | OSC2 — Crystal oscillator output |
| Pin 6 | RESET — Active-low reset input |
| Pin 7 | PGEC1 — ICSP programming clock (debug) |
| Pin 8 | PGED1 — ICSP programming data (debug) |
| Pin 9 | RB0 — Port B I/O / programming |
| Pin 10 | RB1 — Port B I/O |
| Pin 11 | RB2 — Port B I/O |
| Pin 12 | RB3 — Port B I/O |
| Pin 13 | RB4 — Port B I/O |
| Pin 14 | RB5 — Port B I/O |
| Pin 15 | RB6 — Port B I/O / programming |
| Pin 16 | RB7 — Port B I/O / programming |
| Pin 17 | RA0 — Port A I/O |
| Pin 18 | RA1 — Port A I/O |
| Pin 19 | RA2 — Port A I/O |
| Pin 20 | RA3 — Port A I/O |
| Pin 21 | RA4 — Port A I/O |
| Pin 22 | RA5 — Port A I/O |
| Pin 23 | RA6 — Port A I/O / main clock out |
| Pin 24 | RA7 — Port A I/O |
| Pin 25 | RC0 — Port C I/O |
| Pin 26 | RC1 — Port C I/O |
| Pin 27 | RC2 — Port C I/O |
| Pin 28 | RC3 — Port C I/O |
| Pin 29 | RC4 — Port C I/O |
| Pin 30 | RC5 — Port C I/O |
| Pin 31 | RC6 — Port C I/O |
| Pin 32 | RC7 — Port C I/O |
| Pin 33 | RC8 — Port C I/O |
| Pin 34 | RC9 — Port C I/O |
| Pin 35 | RD0 — Port D I/O |
| Pin 36 | RD1 — Port D I/O |
| Pin 37 | RD2 — Port D I/O |
| Pin 38 | RD3 — Port D I/O |
| Pin 39 | RD4 — Port D I/O |
| Pin 40 | RD5 — Port D I/O |
| Pin 41 | RD6 — Port D I/O |
| Pin 42 | RD7 — Port D I/O |
| Pin 43 | RD8 — Port D I/O |
| Pin 44 | RD9 — Port D I/O |
| Pin 45 | RD10 — Port D I/O |
| Pin 46 | RD11 — Port D I/O |
| Pin 47 | RD12 — Port D I/O |
| Pin 48 | RD13 — Port D I/O |
| Pin 49 | RD14 — Port D I/O |
| Pin 50 | RD15 — Port D I/O |
| Pin 51 | RE0 — Port E I/O |
| Pin 52 | RE1 — Port E I/O |
| Pin 53 | RE2 — Port E I/O |
| Pin 54 | RE3 — Port E I/O |
| Pin 55 | RE4 — Port E I/O |
| Pin 56 | RE5 — Port E I/O |
| Pin 57 | RE6 — Port E I/O |
| Pin 58 | RE7 — Port E I/O |
| Pin 59 | RF0 — Port F I/O |
| Pin 60 | RF1 — Port F I/O |
| Pin 61 | RF2 — Port F I/O / USB |
| Pin 62 | RF3 — Port F I/O / USB |
| Pin 63 | RF4 — Port F I/O |
| Pin 64 | RF5 — Port F I/O |
Typical Applications
PIC32MX330F064HT-I/RG is suitable for 7 applications: USB Human Interface Devices, Industrial Control and Sensor Hubs, Audio Processing with I2S, Connected Home Appliances, Low-Cost Graphical HMIs, Educational and Maker Development, Motor Control and PWM.
USB Human Interface Devices
The PIC32MX330F064HT-I/RG integrates a USB 2.0 full-speed device/host/OTG controller at 100 MHz MIPS32 M4K, with 64 KB Flash sufficient for HID class stacks and 16 KB SRAM for report buffers and state machines. Placed as the sole MCU on the USB bus with a 48 MHz crystal on the OSC pins, it implements HID keyboard, mouse, gamepad or custom HID reports without glue logic; the trade-off versus Cortex-M0+ parts is the MIPS toolchain rather than the ARM ecosystem.
Recommended
Industrial Control and Sensor Hubs
The PIC32MX330F064HT-I/RG suits industrial sensor hubs thanks to its 100 MHz 32-bit core, 10-bit ADC, multiple UART/SPI/I2C and 64-pin QFN allowing rich pin-mux assignment. Industrial -40C to +85C temperature grade handles factory-floor environments. With 64 KB Flash it fits Modbus, CAN-light or proprietary industrial protocols; with 16 KB SRAM it buffers sensor bursts; the trade-off is no FPU, so floating-point heavy DSP should be offloaded.
Recommended
Audio Processing with I2S
The PIC32MX330F064HT-I/RG includes two I2S interfaces making it viable for low-cost audio record/playback nodes feeding a Class-D amp or digital microphone array. 100 MHz MIPS32 M4K core can run 16-bit/48 kHz stereo I2S streams with modest DSP at 16 KB SRAM headroom. A 1-2 MB external SPI flash holds audio assets; the trade-off versus Cortex-M4F parts is no FPU for FFT or FIR filtering.
Recommended
Connected Home Appliances
The PIC32MX330F064HT-I/RG suits connected white-goods controllers: 100 MHz MIPS32 M4K handles user-interface logic, 10-bit ADC reads temperature sensors, two I2S/SPI drives displays, USB enables firmware upgrade via PC. Industrial -40C to +85C grade handles appliance environments. 64 KB Flash fits a FreeRTOS-with-LWIP/light-IP stack; 16 KB SRAM buffers network packets; trade-off is no integrated Ethernet MAC so Wi-Fi/CFE must be external.
Recommended
Low-Cost Graphical HMIs
The PIC32MX330F064HT-I/RG drives small graphical HMIs (TFT/QVGA) using SPI-based LCDs or OLEDs via its two SPI/I2S blocks at 100 MHz. 64 KB Flash holds a graphics library, 16 KB SRAM a small framebuffer plus UI state. The PIC32MX peripheral library and Harmony 3 code example shorten time-to-market; trade-off is no 2D GPU, so animations rely on the M4K core.
Recommended
Educational and Maker Development
The PIC32MX330F064HT-I/RG is a frequent choice for university curricula and maker projects thanks to the MPLAB X IDE, Harmony 3 framework, and Curiosity/Explorer dev kits. 100 MHz 32-bit MIPS32 M4K with 64 KB Flash / 16 KB SRAM teaches RTOS, USB, ADC and DMA concepts at low cost. Industrial -40C to +85C grade lets student designs transition directly to commercial production; trade-off is the MIPS learning curve versus ARM Cortex-M.
Recommended
Motor Control and PWM
The PIC32MX330F064HT-I/RG drives brushed DC, BLDC or stepper motors via its PWM/OCMP outputs at 100 MHz core speed with 64-pin QFN exposing multiple timer channels. 64 KB Flash holds field-oriented-control (FOC) or trapezoidal commutation firmware, 16 KB SRAM buffers current-sense samples. Industrial -40C to +85C handles motor heat; trade-off is no FPU, so high-FOC-frequency apps may need Cortex-M4F.
Recommended
Recommended Products Summary
Engineering reference data for PIC32MX330F064HT-I/RG — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC32MX330F064H-I/MR | PIC32MX340F064H-I/MR | PIC32MX330F064HT-V/RG | PIC32MX330F064HT-I/RG |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin VQFN 9x9 mm (RG) | 64-pin QFN 9x9 mm | 64-pin QFN 9x9 mm | 64-pin VQFN 9x9 mm - same | 64-pin VQFN 9x9 mm - same |
| Core Architecture | MIPS32 M4K | MIPS32 M4K - same | MIPS32 M4K - same | MIPS32 M4K - same | MIPS32 M4K - same |
| Maximum CPU Speed | 100 MHz | 100 MHz - same | 100 MHz - same | 100 MHz - same | 100 MHz - same |
| Program Flash | 64 KB | 64 KB - same | 64 KB - same | 64 KB - same | 64 KB - same |
| Data SRAM | 16 KB | 16 KB - same | 16 KB - same | 16 KB - same | 16 KB - same |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +105C (Extended -V) | -40C to +85C (Industrial) - same |
| USB | USB 2.0 FS device/host/OTG | USB 2.0 FS device/host/OTG - same | USB 2.0 FS device/host/OTG - same | USB 2.0 FS device/host/OTG - same | USB 2.0 FS device/host/OTG - same |
| Tape & Reel Suffix | Yes (T-suffix) | No (no T-suffix; tray variant) | No (no T-suffix; tray variant) | Yes (T-suffix; -V temp grade) | Yes (T-suffix) - same |
Key Differentiators
- Integrated USB 2.0 full-speed OTG (vs PIC32MX230F512C)
- Cost-optimized 64 KB Flash tier (vs PIC32MX450F256H)
- Same-family upward migration path (vs PIC32MX320F064H)
Design Notes
The PIC32MX330F064HT-I/RG requires a stable 3.3V core supply with decoupling per the family datasheet. Place 100nF and 10uF bulk ceramic capacitors near each VDD/VSS pair on the 64-VQFN to suppress switching noise. Add a ferrite bead on the analog supply if the ADC channels are used for precision measurement.
The 64-pin 9x9 mm VQFN exposes a central thermal pad that must be soldered to a ground pour with at least 4 thermal vias (typically 0.3 mm drill, 0.5 mm pitch). Without proper thermal pad soldering the die dissipates the joint only through package leads, leading to thermal derating. The exposed pad also serves as VSS; do not leave it floating.
Route the 48 MHz primary oscillator traces short and symmetric, with a ground guard ring on both sides. Keep USB D+/D- traces as a 90-ohm differential pair with matched length (under 50 mm) and a common-mode choke or ferrite for EMI compliance. Decouple the VBUS pin with 10uF plus 100nF per USB specification.
Do not confuse the /RG (64-VQFN 9x9 mm) suffix with /PT (64-TQFP 10x10 mm) - they are NOT drop-in interchanges. Always verify the full MPN when substituting PIC32MX3/4 family parts. The /PT is hand-solder friendly, the /RG is footprint-only. Estimate: VQFN-64 with proper layout achieves roughly 30% lower thermal resistance than TQFP-64 of similar die size.
Compliance Information
RoHS and REACH compliance per Microchip product page. Not AEC-Q100 qualified; AEC-Q100 grade parts are designated with /VAO suffix. Halogen-free status not verified in available data.
