PIC32MX340F512H-80I/MR Microchip Integrated Circuit (Quad Flat No-Lead) In Stock
Microchip PIC32MX340F512H is a 32-bit MIPS-based microcontroller with 512 KB Flash, 32 KB RAM, and an 80 MHz CPU clock in a compact 64-pin QFN package. Integrates a 10-bit ADC and multiple communication peripherals. Well-suited for mid-range embedded control, industrial HMI, and USB-connected sensor nodes.
- Manufacturer
- Microchip
- Package
- Quad Flat No-Lead
- Pin Count
- 64
- Lifecycle
- ACTIVE
- Datasheet
- PIC32MX340F512H-80I/MR Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $5.9200(MOQ 5)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 32-bit MIPS32 core running up to 80 MHz for high-throughput embedded processing
- 512 KB Flash program memory and 32 KB SRAM for large firmware and runtime data
- 10-bit ADC with multiple channels for analog sensor acquisition
- USB Full-Speed (12 Mbps) on-chip peripheral enabling direct PC or host connectivity
- 64-pin QFN package delivering high I/O density in a compact 9 mm x 9 mm footprint
- Boundary scan (JTAG) support for in-circuit debugging and production test
Applications
The PIC32MX340F512H is deployed in industrial HMI panels, USB data loggers, and mid-complexity embedded control systems where a 32-bit MIPS processor with ample Flash and on-chip USB is required. Its 64-pin QFN form factor and broad peripheral set make it a practical choice for motor control, audio signal processing, and field instrument designs.
Specifications
| Pbfree Code | Yes |
| Manufacturer Package Code | QFN-64 |
| Factory Lead Time | 7Weeks |
| YTEOL | 8 |
| Has ADC | YES |
| Bit Size | 32 |
| Boundary Scan | YES |
| CPU Family | PIC32 |
| Clock Frequency-Max | 50MHz |
| DAC Channels | NO |
| DMA Channels | YES |
| Format | FIXED POINT |
| Integrated Cache | YES |
| JESD-30 Code | S-PQCC-N64 |
| JESD-609 Code | e3 |
| Low Power Mode | YES |
| Number of DMA Channels | 4 |
| Number of External Interrupts | 5 |
| Number of I/O Lines | 53 |
| Number of Serial I/Os | 2 |
| Number of Timers | 7 |
| On Chip Data RAM Width | 8 |
| On Chip Program ROM Width | 8 |
| PWM Channels | YES |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | LCC64,.35SQ,20 |
| Package Shape | SQUARE |
| Package Style | CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| RAM (bytes) | 32768 |
| ROM (words) | 524288 |
| ROM Programmability | FLASH |
| Screening Level | TS 16949 |
| Speed | 80MHz |
| Supply Current-Max | 75mA |
| Supply Voltage-Max | 3.6V |
| Supply Voltage-Min | 2.3V |
| Supply Voltage-Nom | 3.3V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | INDUSTRIAL |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | NO LEAD |
| Terminal Pitch | 0.5mm |
| Terminal Position | QUAD |
| uPs/uCs/Peripheral ICs Type | MICROCONTROLLER, RISC |
| Package | Quad Flat No-Lead |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | 3A991.A.2 |
| HTS Code | 8542.31.00.01 |
| Country of Origin | Thailand |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
How does PIC32MX340F512H's 80 MHz core speed compare to typical 8-bit MCUs for real-time control loops?
PIC32MX340F512H runs a 32-bit MIPS core at up to 80 MHz, executing most instructions in a single cycle and achieving approximately 1.56 DMIPS/MHz. An 8-bit PIC running at 20 MHz delivers a fraction of this throughput. For PID loops, FFT, or communication stacks running simultaneously, the 32-bit core provides headroom that 8-bit designs cannot match at the same clock speed.
What program memory and RAM does PIC32MX340F512H provide for complex firmware including a USB stack?
PIC32MX340F512H provides 512 KB of Flash and 32 KB of SRAM. A typical Microchip USB device library consumes 20 KB to 30 KB of Flash and 4 KB to 8 KB of RAM, leaving ample space for application logic, calibration tables, and communication buffers in most USB-connected data acquisition or HID device designs.
Does the QFN-64 package of PIC32MX340F512H require special PCB design rules versus a TQFP-64?
QFN-64 uses an exposed thermal pad on the bottom instead of gull-wing leads, requiring a solder paste aperture and thermal via array under the package for proper heat dissipation and solder joint reliability. Pad pitch is typically 0.5 mm, which demands tighter PCB tolerances than a 0.8 mm pitch TQFP-64, but the QFN body size is significantly smaller, saving board area.
For a USB full-speed data logger design, what interface peripherals does PIC32MX340F512H offer beyond USB?
In addition to USB Full-Speed (12 Mbps), PIC32MX340F512H integrates UART, SPI, and I2C ports, plus a 10-bit ADC with multiple input channels and CAN support in some variants. This allows a single device to simultaneously handle USB data upload, SPI flash storage, I2C sensor communication, and analog acquisition in a 64-pin package without external interface ICs.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 5+ | $7.8600 | $39.30 |
| 25+ | $7.3400 | $183.50 |
| 40+ | $6.9300 | $277.20 |
| 80+ | $6.8200 | $545.60 |
| 100+ | $6.4500 | $645.00 |
| 1000+ | $5.9200 | $5920.00 |
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