PIC32MX470F512HT-V/PT - 80MHz, 512KB Flash 32-bit MCU | Microchip
料号： PIC32MX470F512HT-V/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.85 | $6.85 |
| 10 | $6.12 | $61.20 |
| 100 | $5.42 | $542.00 |
| 500 | $4.78 | $2,390.00 |
| 1,000 | $4.2 | $4,200.00 |
PIC32MX470F512HT-V/PT 概述
A PIC32MX microcontroller is a 32-bit RISC MCU based on the MIPS32 M4K core, positioned between 8-bit PIC16/PIC18 microcontrollers and higher-end ARM Cortex-M devices. PIC32MX parts combine deterministic 32-bit performance with rich integrated peripherals (USB, I2S, PMP, CTMU), targeting embedded HMI, audio, USB-device, and graphics user-interface designs that outgrow 8-bit parts but do not need a Cortex-M4 application processor. Within the PIC32 family, MX4 subfamily devices add more memory and USB/HMI features compared to MX1/MX2; within MX4, the 470 variant is the largest-memory tier.
Key features include up to 80MHz core clock, 1.56 DMIPS/MHz performance, 512KB Flash with 128KB RAM, 28 channels of 10-bit ADC, 5 PWM channels, 5 timers/counters, 4 UART modules, 2 I2C, 2 I2S, 2 SPI, USB 2.0 Full-Speed OTG, and Peripheral Pin Select (PPS) that remaps most digital peripherals to almost any I/O pin. The operating voltage range is 2.3V to 3.6V, and the industrial/extended operating temperature range is -40C to +105C, suitable for harsh-environment embedded systems.
The architecture uses a single-core MIPS32 M4K 32-bit RISC pipeline with hardware multiply/divide and a tightly-coupled prefetch module for deterministic Flash execution. A 5-stage pipeline, branch delay slot, and dual-set associative SRAM allow sustained 1.56 DMIPS/MHz throughput. The integrated USB 2.0 Full-Speed OTG transceiver, dedicated DMA channels, and PMP graphics interface enable QVGA TFT display support without an external controller.
Typical applications include USB peripherals (HID, CDC, MSD), audio playback with I2S codec interfaces, HMI touch panels using CTMU + 10-bit ADC, QVGA TFT LCD graphics with PMP, industrial control panels, and home automation controllers. The wide -40C to +105C temperature range and rich peripherals also fit automotive body electronics and white-goods user interfaces.
When designing with this device, allocate sufficient Flash wait-state budgeting for the 80MHz core clock; use the PIC32 USB stack and Harmony framework firmware; and place a 12 MHz primary oscillator crystal within 1 cm of the OSC1/OSC2 pins with a guarded ground ring to meet USB electrical compliance. Always enable JTAG/ICSP debugging pads even on production boards to allow field firmware recovery.
This page synthesizes distributor pricing, drop-in 64-pin TQFP alternatives, and practical design notes (PPS routing, USB layout, CTMU touch) that the manufacturer datasheet alone does not provide, giving procurement and design engineers a single reference for evaluation and second sourcing.
直接替换替代料： PIC32MX470F512HT-V/PT ——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： PIC32MX470F512HT-V/PT （相同外形与封装尺寸） ——差异在于 Package, ADC, Maximum CPU Frequency, USB, Operating Temperature Range.
快速对比工具——选择替代料号进行并排对比：
PIC32MX470F512HT-I/PT
✅ 直接替换✓ 有现货
$4.1 / 个
查看数据手册 →PIC32MX470F512HT-120/PT
✅ 直接替换✓ 有现货
$5.55 / 个
查看数据手册 →PIC32MX470F512H-I/MR
✅ 直接替换✓ 有现货
$5.08 / 个
查看数据手册 →PIC32MX450F256HT-I/PT
✅ 直接替换✓ 有现货
$4.85 / 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 →PIC32MX370F512HT-V/PT
✅ 直接替换✓ 有现货
$5.65 / 个
查看数据手册 →PIC32MX450F256H-V/PT
✅ 直接替换✓ 有现货
$4.78 / 个
查看数据手册 →PIC32MX470F512HT-V/PT 最大额定值与电气特性
| Core Architecture | MIPS32 M4K 32-bit RISC |
| Maximum CPU Frequency | 80 MHz (this part); family supports up to 120 MHz |
| Performance | 1.56 DMIPS/MHz (up to 150 DMIPS family) |
| Program Flash Memory | 512 KB |
| Data SRAM | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| 工作温度范围 | -40 C to +105 C (extended) |
| USB | USB 2.0 Full-Speed OTG controller (on-chip transceiver) |
| ADC | 10-bit, up to 28 channels |
| PWM Channels | 5 |
| Timers / Counters | 5 (16-bit) |
| UART Modules | 4 |
| I2C Modules | 2 |
| SPI Modules | 2 (shared with I2S) |
| I2S Modules | 2 |
| Parallel Master Port (PMP) | Yes (for QVGA TFT graphics) |
| Peripheral Pin Select (PPS) | Yes - remappable digital peripherals |
| CTMU (Charge Time Measurement Unit) | Yes (for capacitive touch / current measurement) |
| 封装 | 64-pin TQFP (PT) 10x10 mm |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC32MX470F512HT-V/PT 引脚配置
| 引脚 1 | RPB15/AN15/OCFB/PMPDO/CN12/RB15 — PPS remappable I/O / 10-bit ADC / PMP data |
| 引脚 2 | VDD — Supply voltage (2.3V to 3.6V) |
| 引脚 3 | RPB14/AN14/CN11/RB14 — PPS remappable I/O / 10-bit ADC |
| 引脚 4 | VSS — Ground |
| 引脚 5 | RPB13/AN13/CN10/RB13 — PPS remappable I/O / 10-bit ADC |
| 引脚 6 | PGED4/ASDA4/RPB12 — Programming/debug data line / PPS I/O |
| 引脚 7 | PGEC4/ASCL4/RPB11 — Programming/debug clock line / PPS I/O |
| 引脚 8 | PGED3/ASDA3/RPB10 — Programming/debug data line / PPS I/O |
| 引脚 9 | PGEC3/ASCL3/RPB9 — Programming/debug clock line / PPS I/O |
| 引脚 10 | RPB8/CN8/RB8 — PPS remappable I/O |
| 引脚 11 | RPB7/PMPRD/CN7/RB7 — PPS I/O / PMP read strobe |
| 引脚 12 | VSS — Ground |
| 引脚 13 | VDD — Supply voltage (2.3V to 3.6V) |
| 引脚 14 | RPB6/PMD0/CN6/RB6 — PPS I/O / PMP data 0 |
| 引脚 15 | RPB5/PMD1/CN5/RB5 — PPS I/O / PMP data 1 |
| 引脚 16 | RPB4/PMD2/CN4/RB4 — PPS I/O / PMP data 2 |
| 引脚 17 | RPB3/PMD3/CN3/RB3 — PPS I/O / PMP data 3 |
| 引脚 18 | RPB2/PMD4/CN2/RB2 — PPS I/O / PMP data 4 |
| 引脚 19 | RPB1/PMD5/CN1/RB1 — PPS I/O / PMP data 5 |
| 引脚 20 | VSS — Ground |
| 引脚 21 | VDD — Supply voltage |
| 引脚 22 | RPB0/PMD6/RB0 — PPS I/O / PMP data 6 |
| 引脚 23 | RA15/PMD7/RA15 — PPS I/O / PMP data 7 |
| 引脚 24 | PGED2/AN0/CN0/RPA0 — Programming data / ADC0 |
| 引脚 25 | PGEC2/AN1/CN1/RPA1 — Programming clock / ADC1 |
| 引脚 26 | AN2/C2IN-/RPB2/CTED2 — ADC2 / comparator input |
| 引脚 27 | AN3/C2IN+/RPB3/CTED1 — ADC3 / comparator input |
| 引脚 28 | AN4/C1IN-/RPB4 — ADC4 / comparator input |
| 引脚 29 | AN5/C1IN+/RPB5 — ADC5 / comparator input |
| 引脚 30 | VSS — Ground |
| 引脚 31 | VDD — Supply voltage |
| 引脚 32 | OSC1/CLKI/RC12 — Crystal oscillator input / external clock |
| 引脚 33 | OSC2/CLKO/RC15 — Crystal oscillator output |
| 引脚 34 | VSS — Ground (OSC ground) |
| 引脚 35 | SOSCI/RPC13/RC13 — Secondary oscillator (RTC) input |
| 引脚 36 | SOSCO/RPC14/T1CK/RC14 — Secondary oscillator (RTC) output / Timer1 clock |
| 引脚 37 | RPB6/PMD0/RPB6 — PPS I/O / PMP data |
| 引脚 38 | RPB7/RPB7 — PPS I/O |
| 引脚 39 | D-/RG2 — USB OTG data minus (with on-chip transceiver) |
| 引脚 40 | D+/RG3 — USB OTG data plus (with on-chip transceiver) |
| 引脚 41 | VBUS — USB VBUS detect (5V tolerant) |
| 引脚 42 | VUSB3V3 — USB internal 3.3V regulator output (bypass with cap) |
| 引脚 43 | RPG6/SDO2/RG6 — PPS I/O / SPI 2 data out |
| 引脚 44 | RPG7/SDI2/RG7 — PPS I/O / SPI 2 data in |
| 引脚 45 | RPG8/SCK2/RG8 — PPS I/O / SPI 2 clock |
| 引脚 46 | RPG9/SS2/RG9 — PPS I/O / SPI 2 slave select |
| 引脚 47 | RPG0/PMALL/RG0 — PPS I/O / PMP address latch low |
| 引脚 48 | RPG1/PMA1/RG1 — PPS I/O / PMP address 1 |
| 引脚 49 | RPG2/PMA2/RG2 — PPS I/O / PMP address 2 |
| 引脚 50 | VDD — Supply voltage |
| 引脚 51 | VSS — Ground |
| 引脚 52 | RPG3/PMA3/RG3 — PPS I/O / PMP address 3 |
| 引脚 53 | RPG4/PMWR/RG4 — PPS I/O / PMP write strobe |
| 引脚 54 | RPG5/PMCS1/RG5 — PPS I/O / PMP chip select 1 |
| 引脚 55 | TRCLK/RPD8/RD8 — Trace clock / PPS I/O |
| 引脚 56 | TRD0/RPD9/RD9 — Trace data 0 / PPS I/O |
| 引脚 57 | TRD1/RPD10/RD10 — Trace data 1 / PPS I/O |
| 引脚 58 | TRD2/RPD11/RD11 — Trace data 2 / PPS I/O |
| 引脚 59 | TRD3/RPD12/RD12 — Trace data 3 / PPS I/O |
| 引脚 60 | RTCC/RPD13/RD13 — RTCC output / PPS I/O |
| 引脚 61 | CVREF-/AN15/RPD14/RD14 — Comparator reference / ADC15 |
| 引脚 62 | CVREF+/AN16/RPD15/RD15 — Comparator reference / ADC16 |
| 引脚 63 | PGED1/AN17/RPF0 — Programming data / ADC17 |
| 引脚 64 | PGEC1/AN18/RPF1 — Programming clock / ADC18 |
典型应用
PIC32MX470F512HT-V/PT 适用于 6 应用s: USB Human Interface Devices (HID), QVGA TFT LCD Touch Panels, Industrial Control Panels, Audio Playback with I2S Codecs, Home Automation Controllers, USB Barcode / Label Printers.
USB Human Interface Devices (HID)
The PIC32MX470F512HT-V/PT's integrated USB 2.0 Full-Speed OTG controller with on-chip transceiver makes it a natural fit for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The 512KB Flash comfortably accommodates the full Microchip Harmony USB stack with HID class driver, plus application-specific report logic and firmware update bootloader. With 80MHz core clock and 4 DMA channels, the MCU handles polled USB reports without CPU stalls, and the 128KB SRAM allows large HID report buffers and ring descriptors. PPS remaps USB D+/D- pins where needed. Engineers typically pair this MCU with a single 12.000 MHz crystal, a USB connector, and ESD protection diodes; the BOM stays under $1 in volume.
推荐
QVGA TFT LCD Touch Panels
The integrated Parallel Master Port (PMP), Charge Time Measurement Unit (CTMU), and 28-channel 10-bit ADC make the PIC32MX470F512HT-V/PT a self-contained QVGA TFT + capacitive-touch panel controller. PMP drives 8-bit parallel TFT data at up to 80MHz, while CTMU + ADC implements up to 28 touch buttons or a projected-capacive scan matrix without an external touch IC. The 128KB SRAM holds a QVGA (320x240) 16-bit frame buffer, freeing the developer from external SDRAM. Designers leverage Microchip's Harmony HMI framework for objects, fonts, and touch gestures. Typical implementation pairs the MCU with an ILI9341 TFT driver and an ITO touch sensor layer - PCB area under 25x25 mm.
推荐
Industrial Control Panels
With an operating temperature range of -40C to +105C, 28 ADC channels, 5 PWM outputs, and 4 UART modules, the PIC32MX470F512HT-V/PT is purpose-built for industrial control panels driving motors, valves, and sensors. The 512KB Flash holds a full Modbus RTU/TCP stack plus PLC-style ladder logic interpreter, while 128KB SRAM supports process-variable history buffers. Peripheral Pin Select (PPS) allows UART/I2C/SPI to be routed to any I/O pin, simplifying PCB layout for densely-packed terminal blocks. Engineers frequently pair this MCU with isolated RS-485 transceivers, opto-coupled PWM drivers, and 4-20mA current-loop DACs to deliver IEC 61131-compatible control.
推荐
Audio Playback with I2S Codecs
The two integrated I2S modules enable the PIC32MX470F512HT-V/PT to drive external audio DACs/ADCs at up to 192 kHz sample rates. The 512KB Flash accommodates MP3/AAC decoder libraries plus USB MSC playback stack, while 128KB SRAM provides a stereo audio buffer of ~2 seconds at 48 kHz 16-bit. Combined with the USB 2.0 Full-Speed OTG, the MCU reads MP3 files from a USB flash drive or SD card and streams to an I2S DAC. PPS lets designers route I2S bit/word-clock to convenient pins. Typical designs include portable speakers, headphone amplifiers, and home-audio streaming nodes.
推荐
Home Automation Controllers
Home automation gateways benefit from the PIC32MX470F512HT-V/PT's combination of USB OTG (for Wi-Fi/BLE dongles), 4 UARTs (for RS-485 lighting/curtain buses), 2 I2C (for sensors), and 5 PWM channels (for LED dimmers). The 512KB Flash comfortably stores TLS 1.2 client stacks, MQTT brokers, and OTA firmware loaders, while 128KB RAM supports JSON parsing and table-based scheduler logic. The -40C to +105C operating range ensures reliability in unheated attics and outdoor enclosures. Engineers typically run a Harmony-based TCP/IP stack over Wi-Fi and use the on-chip CTMU for capacitive wall switches.
推荐
USB Barcode / Label Printers
USB-connected barcode and label printers use the PIC32MX470F512HT-V/PT as a single-chip solution: USB OTG handles host/device communication, UARTs drive thermal print-head stepper motors, PWMs control paper feed, and the PMP routes data to a status LCD. 512KB Flash stores bitmap font tables and ZPL/EPL interpreter logic; 128KB SRAM provides a print buffer for typical 4-inch label widths. With PPS, designers reclaim pins freed by the on-chip peripherals. The 80MHz clock sustains sustained print rates of 50-100 mm/s without overdraw.
推荐
推荐产品汇总
工程参考数据： PIC32MX470F512HT-V/PT ——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 | PIC32MX470F512HT-I/PT | PIC32MX470F512HT-120/PT | PIC32MX470F512H-I/MR | PIC32MX450F256HT-I/PT | PIC32MX460F512L-80V/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 64-pin TQFP (PT) 10x10 mm | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin QFN (MR) - DIFFERENT | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - 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 | 120 MHz | 80 MHz | 80 MHz | 80 MHz |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB |
| USB | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed OTG | USB 2.0 Full-Speed (Host/Device) |
| Operating Temperature | -40C to +105C | -40C to +85C (industrial) | -40C to +105C | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +105C |
| Supply Voltage | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V | 2.3V to 3.6V |
关键差异点
- Largest memory configuration in the PIC32MX4xx subfamily （对比 PIC32MX450F256HT-I/PT)
- Integrated USB OTG with on-chip transceiver （对比 PIC32MX460F512L-80V/PT)
- CTMU and PMP on-chip for HMI （对比 PIC32MX270F256B-I/SP)
设计说明
The PIC32MX470F512HT-V/PT has separate analog (VDD) and digital (VDD) rails that should be decoupled with at least one 100nF ceramic capacitor per pin pair, placed within 5 mm of each VDD pin. A bulk 4.7uF to 10uF tantalum or ceramic cap on the main 3.3V rail handles USB OTG inrush transients. The USB-internal 3.3V LDO (VUSB3V3, pin 42) requires a 4.7uF bypass cap even when USB is unused, otherwise the MCU may fail to start up cleanly. The core draws approximately 65 mA active at 80 MHz / 3.3 V.
Place the 12 MHz primary oscillator crystal within 1 cm of pins 32-33 (OSC1/OSC2), with a ground plane guard ring and short traces to minimize EMI and clock jitter. For USB designs, route D+ (pin 40) and D- (pin 39) as a 90-ohm differential pair of equal length, with no stubs, and avoid routing near noisy PWM traces. The 64-pin TQFP has an exposed thermal pad on the bottom that should be soldered to a 10x10 mm copper pour on the PCB for thermal relief at 80 MHz.
Do not exceed 3.6V on any I/O pin - the absolute maximum is 4.0V but reliability suffers above 3.6V. The VBUS pin (pin 41) is 5V tolerant and must be tied to VSS through a divider if USB is unused, otherwise floating VBUS may falsely trigger USB attach. PPS mapping must be unlocked before configuration; use the CFGCON unlock sequence from the datasheet. Always declare __builtin_disable_interrupts() around oscillator configuration changes to avoid spurious interrupts during PLL lock.
When driving long cables (e.g. RS-485) from the UARTs, add series 33 ohm damping resistors near the MCU TX pins to suppress ringing. The 80 MHz core generates harmonics in the 240-480 MHz band; place a small ferrite bead on the 3.3V supply if EMC compliance is needed. For PMP graphics, keep the parallel bus traces matched to within 5 mm and length-matched clock-to-data skew to within 0.5 ns. Use a 22 ohm series resistor on PMP data lines for backplane reflections.
合规信息
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive designs, use the AEC-Q100-qualified PIC32MX variants (separate part numbers). Halogen-free per Microchip Green/Pb-Free material declaration.
