PIC32MX460F512LT-80V/BG - 32-bit MCU 512KB Flash USB-OTG | Microchip
料号： PIC32MX460F512LT-80V/BG ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.98 | $6.98 |
| 10 | $6.42 | $64.20 |
| 100 | $5.74 | $574.00 |
| 500 | $5.21 | $2,605.00 |
| 1,000 | $4.85 | $4,850.00 |
PIC32MX460F512LT-80V/BG 概述
A PIC32MX microcontroller is a 32-bit MIPS-based MCU that combines the performance of a microprocessor with the peripheral integration of an embedded controller. Within the broader taxonomy, it sits as MCU -> 32-bit MCU -> MIPS microcontroller -> PIC32 family -> semiconductor. These devices bridge the gap between 8/16-bit PIC microcontrollers and 32-bit ARM Cortex-M parts, targeting cost-sensitive embedded applications that need moderate compute, large memory, and rich connectivity.
Key features include 80 MHz core frequency (up to 100 DMIPS), 1.56 DMIPS/MHz, hardware Multiply/Divide, single-cycle Flash access via 128-bit prefetch cache, 5-stage pipeline, and a wide 2.3V-3.6V operating range. The integrated USB 2.0 full-speed OTG transceiver eliminates the need for an external PHY, simplifying USB device, host, and On-The-Go designs.
The PIC32MX460F512L architecture uses a 5-stage MIPS M4K pipeline with separate instruction and data buses and a configurable prefetch cache, allowing sustained execution from Flash. USB-OTG integration, 16 channels of 10-bit ADC at 1 Msps, and a Parallel Master Port give designers connectivity and mixed-signal capability without external components.
Typical applications include USB peripherals (barcode scanners, custom HID, CDC devices), embedded graphics (graphical LCD control via PMP), industrial control (PLC I/O modules, sensor hubs), consumer audio, and general-purpose 32-bit embedded control. The wide memory and USB integration make it a strong fit for connected appliances and Human-Machine Interface panels.
When designing with this device, ensure the 121-ball TFBGA is on a 4-layer or more PCB with matched-impedance USB routing (90 ohm differential), adequate decoupling (100 nF + 4.7 uF near each VDD pin), and that the JTAG/ICSP traces are short per Microchip ICD guidance. Watch the 3.3V rail tolerance during inrush and use a 32.768 kHz crystal for RTCC if calendar functions are required.
This page synthesizes distributor pricing, drop-in package-compatible alternatives from the same family, and practical design notes that complement the manufacturer datasheet.
直接替换替代料： PIC32MX460F512LT-80V/BG ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC32MX460F512LT-80V/BG （相同外形与封装尺寸） ——差异在于 ADC, Core Architecture, Package, DMA Channels, Timers.
快速对比工具——选择替代料号进行并排对比：
PIC32MX460F512L-80V/BG
✅ 直接替换✓ 有现货
$6.1 / 个
查看数据手册 →PIC32MX360F512L-80V/BG
✅ 直接替换✓ 有现货
$6.65 / 个
查看数据手册 →PIC32MX460F512L-80V/PT
✅ 直接替换✓ 有现货
$9.8 / 个
查看数据手册 →PIC32MX460F512L-80I/PT
✅ 直接替换✓ 有现货
$6.05 / 个
查看数据手册 →PIC32MX460F512LT-80I/BG
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX460F512LT-80V/BG 最大额定值与电气特性
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Maximum CPU Clock | 80 MHz |
| Performance | 1.56 DMIPS/MHz |
| Program Flash Memory | 512 KB (512K x 8) |
| SRAM | 32 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| USB Interface | USB 2.0 Full-Speed OTG (integrated transceiver) |
| ADC | 10-bit, 16-channel, up to 1 Msps |
| Parallel Master Port (PMP) | Yes |
| UART / SPI / I2C | Multiple (see datasheet for channel counts) |
| Timers | Multiple 16-bit and 32-bit (see datasheet) |
| 封装 | 121-ball TFBGA (10x10 mm) |
| 安装类型 | Surface Mount |
PIC32MX460F512LT-80V/BG 121-ball tfbga (10x10 mm) 引脚配置指南
PIC32MX460F512LT-80V/BG（121-ball tfbga (10x10 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC32MX460F512LT-80V/BG.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC32MX460F512LT-80V/BG 适用于 6 应用s: USB HID / CDC Device Peripherals, Embedded Graphical HMI Panels, Industrial Control / PLC I/O Modules, Connected Consumer Appliances, Custom Audio Devices, Data Acquisition Front-Ends.
USB HID / CDC Device Peripherals
The PIC32MX460F512LT-80V/BG is purpose-built for USB peripherals thanks to its integrated USB 2.0 Full-Speed OTG transceiver. The 80 MHz MIPS M4K core delivers 100 DMIPS, easily running Microchip's MLA USB stack plus application code, while 512 KB Flash fits full HID, CDC, and MSD class drivers. Typical designs include barcode scanners, custom HID input devices, and USB-to-UART bridges. The 32 KB SRAM handles USB packet buffering and a small TCP/IP stack if needed. Integrated USB eliminates an external PHY, reducing BOM cost and PCB area versus MCU + discrete USB solutions. Use 90 ohm differential routing on D+/D- and place 15 kohm pull-down on D- for full-speed device mode per USB 2.0 spec.
推荐
Embedded Graphical HMI Panels
The PIC32MX460F512LT-80V/BG's Parallel Master Port (PMP) drives graphical LCDs and OLED panels directly without an external graphics controller, while 512 KB Flash accommodates Microchip's graphics library and assets. The 16-channel 10-bit ADC reads touch and analog sensors alongside display refresh, and 32 KB SRAM holds frame buffers for small QVGA panels. The 80 MHz CPU renders UI widgets smoothly and handles touch events at low latency. Typical deployments include appliance control panels, industrial HMI, and medical device front panels. Designers can daisy-chain PMP to external SRAM for larger displays; ensure PMP timing matches the panel's setup/hold requirements from the manufacturer datasheet.
推荐
Industrial Control / PLC I/O Modules
The PIC32MX460F512LT-80V/BG's wide 2.3-3.6V supply, 16-channel 10-bit ADC at 1 Msps, and multiple UART/SPI/I2C peripherals make it a strong fit for PLC I/O expansion modules and industrial sensor hubs. 512 KB Flash supports Modbus RTU/TCP stacks, custom industrial protocols, and digital signal filtering routines at the edge. The 32 KB SRAM handles protocol buffers and a small RTOS without external memory. Industrial temperature variants (PIC32MX460F512L-80I series) operate from -40C to +85C. Designers use the ADC for analog sensor readout (4-20 mA, 0-10 V via front-end), and DMA-driven SPI offloads high-speed sensor polling. Watch the 3.3V supply tolerance and add TVS diodes on field-side connections.
推荐
Connected Consumer Appliances
USB-OTG plus 80 MHz compute and 512 KB Flash position the PIC32MX460F512LT-80V/BG well for connected home appliances - smart thermostats, kitchen controllers, and USB-upgradeable consumer devices. Microchip's TCP/IP and Wi-Fi companion libraries (via MRF24WG0MA modules) run on the PIC32, while 32 KB SRAM holds small HTTP servers and OTA buffers. The integrated ADC reads temperature, humidity, and tactile inputs; the PMP drives status LCDs. Designers typically add a Microchip RN4871 BLE module for phone pairing while keeping the PIC32 as the application controller. Cost of the 121-TFBGA at ~$4.85/1000 is competitive against 32-bit ARM Cortex-M0+ parts that lack integrated USB-OTG.
推荐
Custom Audio Devices
The PIC32MX460F512LT-80V/BG drives custom USB audio class devices - USB headphones, microphones, and speakers - using its integrated USB-OTG full-speed transceiver. The 512 KB Flash fits USB Audio class drivers, sample-rate conversion code, and DSP-style effects. I2S peripheral (available on the PIC32MX4XX) interfaces to external audio codecs, while the 10-bit ADC reads level controls. 80 MHz CPU sustains 48 kHz/16-bit stereo bidirectionally with minimal overhead. Compared to PIC32MX3XX (no USB), the 460 variant removes the need for a separate USB audio bridge IC, saving ~$1 BOM. Add an external 24-bit codec like the TI PCM5101A for higher-fidelity output.
推荐
Data Acquisition Front-Ends
With 16 channels of 10-bit ADC sampling up to 1 Msps and a DMA engine that streams conversions without CPU intervention, the PIC32MX460F512LT-80V/BG serves as a multi-channel data acquisition front-end. 32 KB SRAM buffers sample bursts; 512 KB Flash holds calibration tables and a small RTOS for logging. The Parallel Master Port dumps data to external SRAM or an LCD; UART/SPI exports to a host PC. Designers wire the ADC inputs to sensor bridges (load cells, thermistors, strain gauges) with proper anti-alias filtering. For higher resolution (12/16-bit), step up to the PIC32MX1XX/2XX family; for higher channel count, stack multiple PIC32s via SPI daisy-chain.
推荐
推荐产品汇总
工程参考数据： PIC32MX460F512LT-80V/BG ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC32MX460F512L-80V/BG | PIC32MX360F512L-80V/BG | PIC32MX460F512L-80V/PT | PIC32MX460F512L-80I/PT | PIC32MX460F512LT-80I/BG |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 121-TFBGA (10x10 mm) | 121-TFBGA (10x10 mm) - same | 121-TFBGA (10x10 mm) - same | 100-TQFP (12x12 mm) - different footprint | 100-TQFP (12x12 mm) - different footprint | 121-TFBGA (10x10 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 |
| Max Clock | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| USB-OTG | Yes (integrated) | Yes (integrated) | No | Yes (integrated) | Yes (integrated) | Yes (integrated) |
| Parallel Master Port | Yes | Yes | No | Yes | Yes | Yes |
| 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 |
| Temperature Grade | V (commercial) | V (commercial) | V (commercial) | V (commercial) | I (industrial) | I (industrial) |
关键差异点
- Integrated USB 2.0 Full-Speed OTG with on-chip transceiver （对比 PIC32MX360F512L-80V/BG)
- On-chip Parallel Master Port for graphics and external memory （对比 PIC32MX360F512L-80V/BG)
- Tape and Reel packaging for SMT production lines （对比 PIC32MX460F512L-80V/BG (tray))
设计说明
The 121-ball TFBGA package requires 4 or more PCB layers with microvia or via-in-pad capability for reliable assembly. Place a 100 nF ceramic decoupling capacitor plus a 4.7 uF bulk capacitor within 2 mm of each VDD/VDDCORE pin pair. Use a continuous ground plane on layer 2 directly under the BGA for thermal spreading and return-current control.
Route the USB D+ and D- signals as a 90 ohm differential pair with matched length (delta < 150 mil). Keep the pair over a continuous ground plane and away from switching signals; place the 15 kohm pull-down on D- as close to the MCU as possible. Series ferrite bead on VBUS is recommended for EMI reduction in USB host mode.
Do not omit the ICSP connector - even production designs should include 4-pin ICSP access for field firmware updates and recovery. Per the Microchip family datasheet, keep PGECx/PGEDx traces shorter than 50 mm to the ICSP header. Configure the alternate I/O functions early in firmware; remapping mid-development can cause confusing GPIO conflicts.
At 80 MHz with all peripherals active, the PIC32MX460F512LT-80V/BG typically draws ~75 mA from 3.3V, dissipating roughly 250 mW. The TFBGA package is well-suited for the small PCB copper area; still, ensure a 25x25 mm minimum ground pour for thermal relief. The internal die temperature sensor is available for monitoring junction temperature in industrial deployments.
The Parallel Master Port (PMP) timing budget at 80 MHz requires careful trace-length matching - keep all PMP data and address lines within 1 inch of each other to avoid setup/hold violations on the connected LCD or external memory. Use a 33 ohm series resistor on PMP outputs for source termination if the load is more than 2 inches away.
合规信息
Per Microchip product page: RoHS compliant, lead-free matte tin finish, halogen-free mold compound. Not AEC-Q100 qualified - not recommended for automotive safety-critical applications.