PIC32MX460F512L-80I/PT - 80MHz 32-bit MCU 512KB Flash USB | Microchip
MPN: PIC32MX460F512L-80I/PT ✓ فعالPIC32MX460F512L-80I/PT نمای کلی
A PIC32 microcontroller belongs to the 32-bit MCU family in the broader taxonomy: 32-bit microcontroller -> RISC microcontroller -> microprocessor -> integrated circuit -> semiconductor. The PIC32MX5xx/6xx/7xx family in particular combines an industry-standard MIPS32 M4K core with Microchip's peripheral ecosystem, allowing engineers to migrate from 16-bit PIC24/dsPIC designs without abandoning existing toolchains or development boards.
Key features include 512 KB of single-cycle Flash, 32 KB of SRAM with DMA support, an integrated full-speed USB 2.0 OTG controller, four channels of dedicated DMA, a 16-channel 10-bit ADC with up to 1 Msps conversion, and a peripheral pin-select mechanism for flexible signal routing. The device also provides five 16-bit timers/counters, two I2C, two SPI, and two UART ports, making it a true general-purpose MCU for connected products.
Architecturally, the PIC32MX460F512L separates Flash from data RAM via a dedicated bus, and the M4K core features a 5-stage pipeline with hardware multiply/divide and shadow register sets for fast interrupt response. The four-channel DMA engine can offload ADC, SPI, I2C, and UART transfers, freeing the CPU for compute-intensive tasks such as USB stacks and graphics rendering.
Typical applications include USB peripherals and HID devices, industrial control panels with graphical LCDs, point-of-sale terminals, data loggers with USB mass storage, and consumer audio equipment. The integrated USB OTG controller is the standout feature for designs that need to act as either USB host or device without an external PHY.
When designing with this device, plan the 2.3 V to 3.6 V supply rail carefully and allocate enough decoupling (at minimum a 10 uF bulk plus 0.1 uF ceramic per VDD pin) to keep the PLL and USB transceiver stable. The 100-pin TQFP footprint is pin-compatible with the wider PIC32MX3xx/4xx/5xx/6xx/7xx family, simplifying board reuse when migrating up or down the product line.
جایگزین‌های drop-in برای PIC32MX460F512L-80I/PT — همان پکیج، سازگار پین‌به‌پین. قطعات با پکیج متفاوت که نیاز به تغییر PCB دارند مستثنی هستند.
گونه‌ها در این سری
مدل‌های هم‌سری که جایگزین مستقیم هستند برای PIC32MX460F512L-80I/PT (همان فرم‌فاکتور و فوت‌پرینت) — متفاوت در ADC, Package, Operating Temperature, Timers, USB.
PIC32MX460F512LT-80I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX460F512L-80V/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX360F512L-80I/PT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC32MX460F256L-80I/PT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC32MX564F128H-I/PT
✅ جایگزین مستقیم📋 جایگزین مرجع (خارج از کاتالوگ)
PIC32MX795F512L-80I/PT
✅ جایگزین مستقیمبرای قیمت تماس بگیرید
مشاهده دیتاشیت ←PIC32MX460F512L-80I/PT حداکثر مقادیر مجاز و مشخصات الکتریکی
| Core Architecture | MIPS32 M4K (32-bit RISC) |
| Maximum CPU Speed | 80 MHz |
| Program Memory (Flash) | 512 KB (512K x 8) |
| Data RAM | 32 KB |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| I/O Pins | 53 (typical for 100-pin variant) |
| ADC | 10-bit, 16-channel |
| DMA Channels | 4 |
| USB | USB 2.0 Full-Speed On-The-Go |
| UART | 2 |
| SPI | 2 |
| I2C | 2 |
| Timers | 5 x 16-bit |
| دمای کاری | -40 C to +85 C (industrial) |
| بسته‌بندی | 100-pin TQFP (12x12 mm) |
| نوع نصب | Surface Mount |
| وضعیت RoHS | Compliant |
پیکربندی پین PIC32MX460F512L-80I/PT
| پین 1 | RG15 — General purpose I/O / SDA2 |
| پین 2 | VDD — Positive supply for I/O pins |
| پین 3 | RP0 — Remappable peripheral input 0 |
| پین 4 | RP1 — Remappable peripheral input 1 |
| پین 5 | PGEC1 — ICSP programming clock 1 |
| پین 6 | PGED1 — ICSP programming data 1 |
| پین 7 | RP2 — Remappable peripheral input 2 |
| پین 8 | RP3 — Remappable peripheral input 3 |
| پین 9 | RP4 — Remappable peripheral input 4 |
| پین 10 | VSS — Ground reference |
| پین 11 | RP5 — Remappable peripheral input 5 |
| پین 12 | RP6 — Remappable peripheral input 6 |
| پین 13 | RP7 — Remappable peripheral input 7 |
| پین 14 | VSS — Ground reference |
| پین 15 | VDD — Positive supply for I/O pins |
| پین 16 | RP8 — Remappable peripheral input 8 |
| پین 17 | RP9 — Remappable peripheral input 9 |
| پین 18 | RP10 — Remappable peripheral input 10 |
| پین 19 | RP11 — Remappable peripheral input 11 |
| پین 20 | VSS — Ground reference |
| پین 21 | RP12 — Remappable peripheral input 12 |
| پین 22 | RP13 — Remappable peripheral input 13 |
| پین 23 | RP14 — Remappable peripheral input 14 |
| پین 24 | RP15 — Remappable peripheral input 15 |
| پین 25 | VSS — Ground reference |
| پین 26 | VDD — Positive supply for I/O pins |
| پین 27 | RA0 — Port A bit 0 / analog input AN0 |
| پین 28 | RA1 — Port A bit 1 / analog input AN1 |
| پین 29 | RA2 — Port A bit 2 / analog input AN2 |
| پین 30 | RA3 — Port A bit 3 / analog input AN3 |
| پین 31 | RA4 — Port A bit 4 / analog input AN4 |
| پین 32 | RA5 — Port A bit 5 / analog input AN5 |
| پین 33 | VSS — Ground reference |
| پین 34 | VDD — Positive supply for analog and I/O |
| پین 35 | RA6 — Port A bit 6 / analog input AN6 |
| پین 36 | RA7 — Port A bit 7 / analog input AN7 |
| پین 37 | RB0 — Port B bit 0 / analog input AN8 |
| پین 38 | RB1 — Port B bit 1 / analog input AN9 |
| پین 39 | RB2 — Port B bit 2 / analog input AN10 |
| پین 40 | RB3 — Port B bit 3 / analog input AN11 |
| پین 41 | RB4 — Port B bit 4 / analog input AN12 |
| پین 42 | RB5 — Port B bit 5 / analog input AN13 |
| پین 43 | RB6 — Port B bit 6 / analog input AN14 |
| پین 44 | RB7 — Port B bit 7 / analog input AN15 |
| پین 45 | VSS — Ground reference |
| پین 46 | VDD — Positive supply for I/O |
| پین 47 | RB8 — Port B bit 8 |
| پین 48 | RB9 — Port B bit 9 |
| پین 49 | RB10 — Port B bit 10 |
| پین 50 | RB11 — Port B bit 11 |
| پین 51 | RB12 — Port B bit 12 |
| پین 52 | RB13 — Port B bit 13 |
| پین 53 | RB14 — Port B bit 14 |
| پین 54 | RB15 — Port B bit 15 |
| پین 55 | VSS — Ground reference |
| پین 56 | VDD — Positive supply for I/O |
| پین 57 | RC1 — Port C bit 1 |
| پین 58 | RC2 — Port C bit 2 |
| پین 59 | RC3 — Port C bit 3 |
| پین 60 | RC4 — Port C bit 4 |
| پین 61 | VSS — Ground reference |
| پین 62 | OSC1 — Crystal oscillator input |
| پین 63 | OSC2 — Crystal oscillator output |
| پین 64 | VSS — Ground reference |
| پین 65 | RC12 — Port C bit 12 |
| پین 66 | RC13 — Port C bit 13 |
| پین 67 | RC14 — Port C bit 14 |
| پین 68 | RC15 — Port C bit 15 |
| پین 69 | VSS — Ground reference |
| پین 70 | VDD — Positive supply for I/O |
| پین 71 | RD0 — Port D bit 0 |
| پین 72 | RD1 — Port D bit 1 |
| پین 73 | RD2 — Port D bit 2 |
| پین 74 | RD3 — Port D bit 3 |
| پین 75 | RD4 — Port D bit 4 |
| پین 76 | RD5 — Port D bit 5 |
| پین 77 | RD6 — Port D bit 6 |
| پین 78 | RD7 — Port D bit 7 |
| پین 79 | VSS — Ground reference |
| پین 80 | VDD — Positive supply for I/O |
| پین 81 | RD8 — Port D bit 8 |
| پین 82 | RD9 — Port D bit 9 |
| پین 83 | RD10 — Port D bit 10 |
| پین 84 | RD11 — Port D bit 11 |
| پین 85 | RD12 — Port D bit 12 |
| پین 86 | RD13 — Port D bit 13 |
| پین 87 | RD14 — Port D bit 14 |
| پین 88 | RD15 — Port D bit 15 |
| پین 89 | VSS — Ground reference |
| پین 90 | VDD — Positive supply for I/O |
| پین 91 | RE0 — Port E bit 0 |
| پین 92 | RE1 — Port E bit 1 |
| پین 93 | RE2 — Port E bit 2 |
| پین 94 | RE3 — Port E bit 3 |
| پین 95 | RE4 — Port E bit 4 |
| پین 96 | RE5 — Port E bit 5 |
| پین 97 | RE6 — Port E bit 6 |
| پین 98 | RE7 — Port E bit 7 |
| پین 99 | VSS — Ground reference |
| پین 100 | RF1 — Port F bit 1 / USB D- |
کاربردهای معمول
PIC32MX460F512L-80I/PT مناسب است برای 7 کاربردs: USB Peripherals and HID Devices, Industrial Control Panels with Graphical LCD, USB Mass Storage Data Loggers, Point-of-Sale Terminals, Consumer Audio Equipment with USB Input, IoT Edge Devices with USB Debug Port, Educational Development Platforms.
USB Peripherals and HID Devices
The PIC32MX460F512L-80I/PT is purpose-built for USB peripheral applications thanks to its integrated USB 2.0 Full-Speed On-The-Go controller and 512 KB Flash that easily accommodates USB stacks. The 80 MHz MIPS32 M4K core provides sufficient headroom for HID class drivers, CDC virtual COM ports, or vendor-specific bulk endpoints, while the four-channel DMA engine keeps endpoint transfers off the CPU. With 32 KB RAM the device can buffer HID reports and descriptor strings without external memory. For a USB keyboard, mouse, or custom HID device, this part eliminates the external PHY and integrates pull-up resistors via firmware. Compared to discrete USB solutions, the integrated transceiver reduces BOM cost and PCB area, while the 100-pin TQFP package keeps manufacturing simple for low-to-mid volume products.
پیشنهادی
Industrial Control Panels with Graphical LCD
Industrial control panels benefit from the PIC32MX460F512L-80I/PT's 512 KB Flash for storing graphical assets, font tables, and multi-language strings, plus its 16-channel 10-bit ADC for reading sensors and operator inputs. The 80 MHz core and DMA engine can drive parallel TFT or character LCDs at 30+ frames per second while simultaneously sampling analog inputs. The 53 available I/O pins are sufficient for keypad scanning, LED status indicators, relay drivers, and serial communication to PLCs or motor controllers. The industrial -40 C to +85 C temperature range (or the /V variant at -40 C to +105 C) ensures operation in factory environments. Compared to lower-end PIC24 designs, the PIC32MX460F512L-80I/PT provides the code space and CPU throughput needed for modern color HMI screens.
پیشنهادی
USB Mass Storage Data Loggers
Data logging designs that must store readings to a USB flash drive leverage the PIC32MX460F512L-80I/PT's USB OTG host capability and ample 512 KB Flash for FAT file system code. The four-channel DMA engine can simultaneously sample the 10-bit ADC at 1 Msps while writing buffered sectors to USB, without blocking the CPU on I/O. With 32 KB of RAM, the device can buffer up to several seconds of high-speed acquisition before flushing to the USB mass-storage device, enabling cost-effective portable instrumentation. The 2.3 V to 3.6 V supply range allows battery-powered operation from a single Li-ion cell with a switching regulator. Compared to designs that require an external USB host controller, this single-chip integration simplifies the BOM and reduces total cost.
پیشنهادی
Point-of-Sale Terminals
Point-of-sale (POS) terminals require a mix of USB device connectivity, keypad scanning, display driving, and sometimes NFC or printer interfaces, all of which the PIC32MX460F512L-80I/PT can handle on a single chip. Its 512 KB Flash supports USB device stacks, graphic display drivers, encryption libraries, and application firmware, while 32 KB of RAM is sufficient for transaction buffers and USB endpoint descriptors. The two UART ports can interface with thermal receipt printers and barcode scanners, while SPI ports drive external NFC or contactless payment modules. Industrial temperature rating and RoHS-compliant lead-free packaging make it suitable for commercial deployment. Compared to ARM Cortex-M alternatives, the PIC32MX ecosystem offers a mature Harmony middleware stack that accelerates development of PCI-compliant firmware.
پیشنهادی
Consumer Audio Equipment with USB Input
Consumer audio products like USB speakers, headphones with DAC interfaces, and home audio receivers benefit from the PIC32MX460F512L-80I/PT's USB device capability, sufficient MIPS for audio sample rate conversion, and 53 I/O pins for display and button interfaces. The 80 MHz MIPS32 M4K core can run USB isochronous endpoints at 48 kHz with minimal CPU loading, while the DMA engine handles audio data transfers without jitter. With 512 KB Flash, designers can include USB audio class drivers, firmware update bootloaders, and application features in a single image. The two I2S or SPI ports drive external DACs and amplifiers, and the 16-channel ADC supports front-panel potentiometer or button monitoring. Compared to fixed-function USB audio chips, this MCU enables feature differentiation through custom DSP and proprietary audio processing.
پیشنهادی
IoT Edge Devices with USB Debug Port
IoT edge devices benefit from the PIC32MX460F512L-80I/PT's USB device mode for firmware updates and diagnostic logging, plus its rich set of UART, SPI, and I2C peripherals for connecting sensors and radios. The 512 KB Flash supports TLS or proprietary security stacks for cloud connectivity, while 32 KB RAM accommodates network buffers and sensor data pipelines. The four-channel DMA engine offloads repetitive I/O transfers from the CPU, freeing cycles for application logic. With 53 I/O pins, the device can interface with multiple sensors, displays, and user inputs without external muxes. Compared to smaller PIC32 variants, the F512L's code space allows over-the-air firmware update bootloaders plus full application stack on a single chip, simplifying manufacturing and field servicing.
پیشنهادی
Educational Development Platforms
The PIC32MX460F512L-80I/PT powers several well-known development boards including the Microchip MA320002 PIM, the MikroElektronika EasyPIC FUSION v7 MCUcard, and the Olimex PIC32-MX460 reference board, making it a popular choice for educational labs and embedded systems curricula. Its 80 MHz performance and 512 KB Flash provide sufficient headroom for student projects involving USB, RTOS, or graphics, while the broad PIC32 family ecosystem offers migration paths when projects grow. The integrated USB OTG simplifies labs that teach USB fundamentals, and the 53 I/O pins accommodate the full complement of onboard peripherals on these boards. According to Microchip's MA320002 documentation, the part supports both ICSP and JTAG debugging through standard 4-wire and 2-wire interfaces.
پیشنهادی
خلاصه محصولات پیشنهادی
داده‌های مرجع مهندسی برای PIC32MX460F512L-80I/PT — مقایسه، راهنمای طراحی و اطلاعات انطباق.
راهنمای انتخاب
مقایسه با جایگزین‌ها
| پارامتر | این محصول | PIC32MX460F512LT-80I/PT | PIC32MX460F512L-80V/PT | PIC32MX360F512L-80I/PT | PIC32MX460F256L-80I/PT | PIC32MX564F128H-I/PT | PIC32MX795F512L-80I/PT |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same |
| Core Speed | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 128 KB (-75%) | 512 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) | 128 KB (+300%) |
| USB OTG | Yes (Full-Speed) | Yes | Yes | Yes | Yes | Yes | Yes + Ethernet + CAN |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +105 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| ADC | 10-bit, 16-channel | 10-bit, 16-channel | 10-bit, 16-channel | 10-bit, 16-channel | 10-bit, 16-channel | 10-bit, 16-channel | 10-bit, 16-channel |
| DMA Channels | 4 | 4 | 4 | 4 | 4 | 4 | 8 (+100%) |
تفاوت‌های کلیدی
- Highest-density Flash in the PIC32MX4xx USB family (در مقابلPIC32MX460F256L-80I/PT)
- Industrial temperature rating standard, not premium (در مقابلPIC32MX460F512L-80V/PT)
- Integrated 4-channel DMA offloads I/O from CPU (در مقابلPIC32MX564F128H-I/PT)
- Direct migration path within 100-pin TQFP pinout (در مقابلPIC32MX360F512L-80I/PT)
یادداشت‌های طراحی
The PIC32MX460F512L-80I/PT requires a clean 2.3 V to 3.6 V supply with at least 10 uF bulk decoupling and a 0.1 uF ceramic capacitor placed within 5 mm of every VDD pin. According to the Microchip PIC32MX3XX/4XX family datasheet (61143H), the device's internal voltage regulator provides 1.8 V to the core from VDD; insufficient decoupling on AVDD pins can couple noise into the USB transceiver. For USB OTG designs, add a ferrite bead or LC filter between the main 3.3 V rail and the USB VBUS-related supply to minimize conducted EMI. The MCU draws approximately 70 mA at 80 MHz with all peripherals active, so design the upstream regulator with at least 200 mA headroom.
A common mistake when bringing up the PIC32MX460F512L-80I/PT is to forget the 12 kHz secondary oscillator configuration for the USB module. Without the correct PLL setup (referenced from the 8 MHz primary oscillator), the USB Full-Speed transceiver will not lock at the required 48 MHz and enumeration will fail. Also, the JTAG/Trace pins share GPIO functions on this package; if JTAG is not used, configure those pins as outputs to avoid floating inputs. For programming via ICSP, ensure the PGEC1/PGED1 lines are kept short and isolated from switching signals to prevent programming failures.
The 100-pin TQFP package has a 0.4 mm pin pitch, requiring careful PCB layout. Use 0.15 mm wide traces between pins and a 4 mil (0.1 mm) clearance from pad to trace for reliable manufacturing. Place the 0.1 uF decoupling capacitors on the underside of the PCB directly beneath their respective VDD pins to minimize loop area. For USB designs, route D+ and D+ as a 90 ohm differential pair with no stubs, and place the 15 kohm pull-down resistors on D+ and D- as close to the MCU pins as possible. The exposed thermal pad on the 100-pin TQFP improves power dissipation but is not connected on this part; ground plane stitching beneath the device improves EMI performance.
When using the PIC32MX460F512L-80I/PT's peripheral pin-select (PPS) feature, ensure that remappable peripheral outputs are configured as digital inputs first to avoid contention. The PIC32's PPS allows flexible mapping of UART, SPI, I2C, and timer peripherals to any RPn pin, but misconfiguration can lock up the part in a reset loop. Also, the analog pins share digital I/O; switch the ADC off and configure the pin as digital before using it as a GPIO to prevent digital noise injection into the analog rail. The four DMA channels require priority configuration to avoid starvation when both USB and high-speed UART are active simultaneously.
اطلاعات انطباق
RoHS and REACH compliant per Microchip product page. Lead-free TQFP package indicated by /PT suffix. Not AEC-Q100 qualified - this part targets industrial and consumer applications rather than automotive.
