PIC32MX470F512LT-V/TL - 80MHz 32-bit MCU 512KB Flash | Microchip
料号： PIC32MX470F512LT-V/TL ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.95 | $9.95 |
| 10 | $8.92 | $89.20 |
| 100 | $7.85 | $785.00 |
| 500 | $6.95 | $3,475.00 |
| 1,000 | $6.1 | $6,100.00 |
PIC32MX470F512LT-V/TL 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a range of analog and digital peripherals into a single IC. The PIC32MX470 sits in the hierarchy: 32-bit MCU -> MIPS M4K core architecture -> PIC32MX family -> PIC32MX4 sub-family -> Power Management + USB + HMI class. By integrating USB 2.0 Full-Speed OTG, up to 5 timers, 2x SPI/I2S, 2x I2C, and a 10-bit 1 Msps ADC with CTMU, the part eliminates the need for many companion ICs that competing MCUs require.
Key features include 120 MHz maximum core clock, USB 2.0 Full-Speed On-The-Go with integrated transceiver, two I2S/SPIs for audio, Parallel Master Port (PMP) for graphics or external memory, RTCC with calendar mode, CTMU for capacitive touch, and 5 16-bit timers plus 5 input-capture/PWM modules. The 124-pin VTLA package exposes the full set of peripheral I/O, USB pins, and PMP data/address bus.
Architecturally the M4K core is a 5-stage pipeline Harvard implementation with hardware multiply/divide and DSP-like MAC support, executing most instructions in one cycle. Microchip's Harmony and MPLAB XC32 toolchains provide free GCC-based C/C++ development. Compared with Cortex-M3 parts, the M4K delivers strong deterministic interrupt latency and straightforward peripheral integration.
Typical applications include USB HID/audio class devices, HMI touch panels with graphics, embedded audio players, industrial control front-ends, and low-cost dataloggers that need USB connectivity. The CTMU and 10-bit ADC combination supports up to 16-channel capacitive touch sensing without external components.
When designing with this MCU, allocate the 128 KB SRAM carefully because USB, audio buffers, and stacks each consume significant RAM. Decouple VDDCORE and VDDIO with 100 nF + 4.7 uF ceramics placed within 5 mm of the supply pins. The VTLA exposed pad must be soldered to the central ground pour for thermal dissipation.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC32MX4 family, and practical design notes that complement the manufacturer datasheet with information engineers actually need for BOM decisions.
直接替换替代料： PIC32MX470F512LT-V/TL ——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： PIC32MX470F512LT-V/TL （相同外形与封装尺寸） ——差异在于 ADC, Package, USB, Analog Comparators, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC32MX470F512L-V/TL
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX370F512LT-V/TL
✅ 直接替换✓ 有现货
$4.32 / 个
查看数据手册 →PIC32MX450F256LT-V/TL
✅ 直接替换✓ 有现货
$4.39 / 个
查看数据手册 →PIC32MX270F512LT-V/TL
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX470F512LT-I/PT
✅ 直接替换✓ 有现货
$5.84 / 个
查看数据手册 →PIC32MX470F512LT-V/TL 最大额定值与电气特性
| Core Architecture | MIPS32 M4K |
| Maximum Core Frequency | 120 MHz |
| Operating Frequency (this part) | 80 MHz |
| Program Memory (Flash) | 512 KB |
| Data Memory (SRAM) | 128 KB |
| Data EEPROM | Not present |
| 引脚数量 | 124 |
| 封装 | VTLA-124 (9x9 mm) |
| 工作温度范围 | -40C to +105C |
| Supply Voltage (VDD) | 2.3 V to 3.6 V |
| USB | USB 2.0 Full-Speed OTG with integrated transceiver |
| ADC | 10-bit, up to 1 Msps, up to 28 channels |
| CTMU (Capacitive Touch) | Yes |
| Parallel Master Port (PMP) | Yes |
| RTCC | Yes (Real-Time Clock Calendar) |
| I2C / SPI / I2S | 2x I2C, 2x SPI/I2S |
| Timers | 5x 16-bit, 5x Input Capture/Output Compare/PWM |
| DMA | 8-channel |
| DMIPS | 150 (at 120 MHz) |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC32MX470F512LT-V/TL 引脚配置
| 引脚 1 | RP0 — Remappable peripheral I/O |
| 引脚 2 | RP1 — Remappable peripheral I/O |
| 引脚 3 | RP2 — Remappable peripheral I/O |
| 引脚 4 | RP3 — Remappable peripheral I/O |
| 引脚 5 | RP4 — Remappable peripheral I/O |
| 引脚 6 | VDD — I/O supply voltage (2.3V-3.6V) |
| 引脚 7 | VSS — I/O ground reference |
| 引脚 8 | RP5 — Remappable peripheral I/O |
| 引脚 9 | RP6 — Remappable peripheral I/O |
| 引脚 10 | RP7 — Remappable peripheral I/O |
| 引脚 11 | RP8 — Remappable peripheral I/O |
| 引脚 12 | RP9 — Remappable peripheral I/O |
| 引脚 13 | VDDCORE — Internal regulator output (1.8V-2.5V) - decouple with 10uF+100nF |
| 引脚 14 | RP10 — Remappable peripheral I/O |
| 引脚 15 | RP11 — Remappable peripheral I/O |
| 引脚 16 | OSC1 — Primary oscillator input |
| 引脚 17 | OSC2 — Primary oscillator output |
| 引脚 18 | VDD — I/O supply voltage |
| 引脚 19 | VSS — I/O ground reference |
| 引脚 20 | RP12 — Remappable peripheral I/O |
| 引脚 21 | RP13 — Remappable peripheral I/O |
| 引脚 22 | RP14 — Remappable peripheral I/O |
| 引脚 23 | RP15 — Remappable peripheral I/O |
| 引脚 24 | RP16 — Remappable peripheral I/O |
| 引脚 25 | RP17 — Remappable peripheral I/O |
| 引脚 26 | SOCI — Secondary oscillator input (32.768 kHz) |
| 引脚 27 | SOCO — Secondary oscillator output (32.768 kHz) |
| 引脚 28 | RP18 — Remappable peripheral I/O |
| 引脚 29 | RP19 — Remappable peripheral I/O |
| 引脚 30 | RP20 — Remappable peripheral I/O |
| 引脚 31 | RP21 — Remappable peripheral I/O |
| 引脚 32 | VDD — I/O supply voltage |
| 引脚 33 | VSS — I/O ground reference |
| 引脚 34 | RP22 — Remappable peripheral I/O |
| 引脚 35 | RP23 — Remappable peripheral I/O |
| 引脚 36 | RP24 — Remappable peripheral I/O |
| 引脚 37 | RP25 — Remappable peripheral I/O |
| 引脚 38 | RP26 — Remappable peripheral I/O |
| 引脚 39 | RP27 — Remappable peripheral I/O |
| 引脚 40 | RP28 — Remappable peripheral I/O |
| 引脚 41 | VDDCORE — Internal regulator output - decouple |
| 引脚 42 | RP29 — Remappable peripheral I/O |
| 引脚 43 | RP30 — Remappable peripheral I/O |
| 引脚 44 | RP31 — Remappable peripheral I/O |
| 引脚 45 | VSS — I/O ground reference |
| 引脚 46 | VDD — I/O supply voltage |
| 引脚 47 | PMA0 — Parallel Master Port address bit |
| 引脚 48 | PMA1 — Parallel Master Port address bit |
| 引脚 49 | PMA2 — Parallel Master Port address bit |
| 引脚 50 | PMA3 — Parallel Master Port address bit |
| 引脚 51 | PMA4 — Parallel Master Port address bit |
| 引脚 52 | PMA5 — Parallel Master Port address bit |
| 引脚 53 | PMA6 — Parallel Master Port address bit |
| 引脚 54 | PMA7 — Parallel Master Port address bit |
| 引脚 55 | PMA8 — Parallel Master Port address bit |
| 引脚 56 | PMA9 — Parallel Master Port address bit |
| 引脚 57 | PMA10 — Parallel Master Port address bit |
| 引脚 58 | PMD0 — Parallel Master Port data bit 0 |
| 引脚 59 | PMD1 — Parallel Master Port data bit 1 |
| 引脚 60 | PMD2 — Parallel Master Port data bit 2 |
| 引脚 61 | PMD3 — Parallel Master Port data bit 3 |
| 引脚 62 | PMD4 — Parallel Master Port data bit 4 |
| 引脚 63 | PMD5 — Parallel Master Port data bit 5 |
| 引脚 64 | PMD6 — Parallel Master Port data bit 6 |
| 引脚 65 | PMD7 — Parallel Master Port data bit 7 |
| 引脚 66 | PMD8 — Parallel Master Port data bit 8 |
| 引脚 67 | PMD9 — Parallel Master Port data bit 9 |
| 引脚 68 | PMD10 — Parallel Master Port data bit 10 |
| 引脚 69 | PMD11 — Parallel Master Port data bit 11 |
| 引脚 70 | PMD12 — Parallel Master Port data bit 12 |
| 引脚 71 | PMD13 — Parallel Master Port data bit 13 |
| 引脚 72 | PMD14 — Parallel Master Port data bit 14 |
| 引脚 73 | PMD15 — Parallel Master Port data bit 15 |
| 引脚 74 | PMRD — Parallel Master Port read strobe |
| 引脚 75 | PMWR — Parallel Master Port write strobe |
| 引脚 76 | PMA11 — Parallel Master Port address bit 11 |
| 引脚 77 | PMA12 — Parallel Master Port address bit 12 |
| 引脚 78 | PMA13 — Parallel Master Port address bit 13 |
| 引脚 79 | PMA14 — Parallel Master Port address bit 14 |
| 引脚 80 | PMALL — PMP address latch (low byte) |
| 引脚 81 | PMALH — PMP address latch (high byte) |
| 引脚 82 | PMCS1 — PMP chip select 1 |
| 引脚 83 | PMCS2 — PMP chip select 2 |
| 引脚 84 | VDD — I/O supply voltage |
| 引脚 85 | VSS — I/O ground reference |
| 引脚 86 | TRCLK — Trace clock output |
| 引脚 87 | TRD0 — Trace data 0 |
| 引脚 88 | TRD1 — Trace data 1 |
| 引脚 89 | TRD2 — Trace data 2 |
| 引脚 90 | TRD3 — Trace data 3 |
| 引脚 91 | D- — USB D- differential data |
| 引脚 92 | D+ — USB D+ differential data |
| 引脚 93 | VBUS — USB VBUS sense |
| 引脚 94 | VUSB — USB internal regulator output - decouple with 1uF |
| 引脚 95 | AN0 — ADC analog input 0 |
| 引脚 96 | AN1 — ADC analog input 1 |
| 引脚 97 | AN2 — ADC analog input 2 |
| 引脚 98 | AN3 — ADC analog input 3 |
| 引脚 99 | AN4 — ADC analog input 4 |
| 引脚 100 | AN5 — ADC analog input 5 |
| 引脚 101 | AN6 — ADC analog input 6 |
| 引脚 102 | AN7 — ADC analog input 7 |
| 引脚 103 | AVDD — Analog supply voltage |
| 引脚 104 | AVSS — Analog ground reference |
| 引脚 105 | AN8 — ADC analog input 8 |
| 引脚 106 | AN9 — ADC analog input 9 |
| 引脚 107 | AN10 — ADC analog input 10 |
| 引脚 108 | AN11 — ADC analog input 11 |
| 引脚 109 | AN12 — ADC analog input 12 |
| 引脚 110 | AN13 — ADC analog input 13 |
| 引脚 111 | AN14 — ADC analog input 14 |
| 引脚 112 | AN15 — ADC analog input 15 |
| 引脚 113 | VDD — I/O supply voltage |
| 引脚 114 | VSS — I/O ground reference |
| 引脚 115 | MCLR — Master clear (reset) - pull to VDD via 10k |
| 引脚 116 | TMS — JTAG test mode select |
| 引脚 117 | TCK — JTAG test clock |
| 引脚 118 | TDO — JTAG test data out |
| 引脚 119 | TDI — JTAG test data in |
| 引脚 120 | PGED1 — Programming data line 1 |
| 引脚 121 | PGEC1 — Programming clock line 1 |
| 引脚 122 | PGED2 — Programming data line 2 |
| 引脚 123 | PGEC2 — Programming clock line 2 |
| 引脚 124 | NC — Not connected (per datasheet - lead side populated) |
典型应用
PIC32MX470F512LT-V/TL 适用于 6 应用s: USB HID and Audio Class Devices, Capacitive Touch HMI Panels, Industrial Control Front-Ends, Embedded Audio Players and Recorders, Low-Cost Dataloggers with USB Output, Graphics-Based Consumer Appliances.
USB HID and Audio Class Devices
The PIC32MX470F512LT-V/TL is well-suited to USB HID and USB audio class peripherals thanks to its on-chip USB 2.0 Full-Speed OTG transceiver and dual I2S ports. The 80 MHz core provides roughly 70 MIPS for audio sample packing, descriptor handling, and protocol stack execution. The 128 KB SRAM hosts a USB stack plus audio buffering for I2S streaming at 48 kHz / 16-bit. Designers should add an external 12 MHz crystal because the USB module derives the 48 MHz bus clock from the PLL, and route D+/D- to a dedicated ESD array. Companion ICs include the TI TPD2E001 for ESD and a Cirrus CS43L22 or TI AIC23B for I2S DAC.
推荐
Capacitive Touch HMI Panels
The PIC32MX470F512LT-V/TL integrates the CTMU module that pairs with the 10-bit ADC to implement up to 16 channels of touch button or slider sensing without external analog components. With 128 KB SRAM the MCU can host a touch-scanning scheduler plus an LCD menu structure, while the PMP (Parallel Master Port) drives common TFTs at QVGA resolution. The 80 MHz core supports 100 Hz touch scan latency even with 16 channels active. Typical designs use a 4.7 uF + 100 nF decoupling network on each VDD rail and route CTMU charge pins with guarded traces to suppress moisture false triggers.
推荐
Industrial Control Front-Ends
Industrial PLCs, sensor-aggregator boards, and motor-control command interfaces benefit from the PIC32MX470F512LT-V/TL's -40C to +105C industrial rating, 5 UART-capable 16-bit timers, and dual I2C busses. The 512 KB Flash supports a real-time OS like FreeRTOS plus application code, and the 8-channel DMA offloads cyclic ADC scan from the CPU. Designers use the RTCC module for time-stamped event logging and pair the part with external RS-485 transceivers like the MAX3485. Industrial EMC compliance requires common-mode chokes on the UART lines and a watchdog timer enabled in firmware.
推荐
Embedded Audio Players and Recorders
The PIC32MX470F512LT-V/TL handles low-power WAV/MP3 playback through its dual I2S interfaces, DMA-driven sample transfer, and 128 KB SRAM that buffers multiple audio frames. The 80 MHz MIPS M4K core decodes compressed audio in software using libraries such as the Helix MP3 decoder. Designers pair the MCU with an I2S DAC and an external SPI Flash or SD card for storage. USB OTG mode lets the device appear as a mass-storage disk for drag-and-drop audio loading. Estimated: an 80 MHz core delivers ~55 MHz spare MIPS even with simultaneous file system and DAC servicing.
推荐
Low-Cost Dataloggers with USB Output
Battery or USB-powered dataloggers use the PIC32MX470F512LT-V/TL to sample sensors via the 10-bit ADC at up to 1 Msps, buffer results in 128 KB SRAM, and write to an external SPI Flash for non-volatile storage. The USB OTG port is used for file offload as well as charging, eliminating a separate USB-to-UART bridge. With 512 KB Flash the MCU runs a real-time logger scheduler plus USB stack. RTCC provides accurate timestamps even with the MCU sleeping, and the CTMU can measure humidity sensor capacitance directly. Estimated: 1 Msps ADC requires the ADC clock at 28 MHz APB divided from the system PLL.
推荐
Graphics-Based Consumer Appliances
Appliances with TFT/LCD displays such as coffee makers, smart thermostats, and small white goods use the PMP (Parallel Master Port) of the PIC32MX470F512LT-V/TL to drive QVGA panels and the CTMU for capacitive buttons. The 80 MHz MIPS M4K core renders 16-bit color frame buffers from a small sprite library. The on-chip DMA moves frame data to PMP without CPU intervention. The 512 KB Flash holds fonts, menus, and a lightweight UI, while the 128 KB SRAM can host one full QVGA frame buffer for double-buffered animation. The VTLA package exposes PMP data, address, and control pins on dedicated functions.
推荐
推荐产品汇总
工程参考数据： PIC32MX470F512LT-V/TL ——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 | PIC32MX470F512L-V/TL | PIC32MX370F512LT-V/TL | PIC32MX450F256LT-V/TL | PIC32MX270F512LT-V/TL | PIC32MX470F512LT-I/PT |
|---|---|---|---|---|---|---|
| Package | VTLA-124 (9x9 mm) | VTLA-124 (9x9 mm) - same | VTLA-124 (9x9 mm) - same | VTLA-124 (9x9 mm) - same | VTLA-124 (9x9 mm) - same | TQFP-121 - different (PCB rework required) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Frequency | 80 MHz | 80 MHz | 80 MHz | 80 MHz | 50 MHz | 80 MHz |
| Flash Memory | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 512 KB | 512 KB |
| SRAM | 128 KB | 128 KB | 128 KB | 32 KB (-75%) | 128 KB | 128 KB |
| USB 2.0 OTG | Yes | Yes | Yes | Yes | Yes | Yes |
| CTMU (Capacitive Touch) | Yes | Yes | No | Yes | No | Yes |
| Temperature Range | -40C to +105C (industrial) | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +85C |
关键差异点
- Highest Flash + SRAM density in PIC32MX4 family at 80 MHz （对比 PIC32MX450F256LT-V/TL)
- Adds CTMU capacitive-touch hardware absent in 370 and 270 （对比 PIC32MX370F512LT-V/TL)
- 80 MHz core clock vs 50 MHz in lower-cost 270 （对比 PIC32MX270F512LT-V/TL)
设计说明
Decouple VDDCORE and VDDIO with both bulk and high-frequency ceramic capacitors placed within 5 mm of the pins. Microchip recommends 10 uF bulk plus 100 nF ceramic for VDDCORE and 1 uF plus 100 nF for each VDDIO pin pair. The internal regulator's 1.8 V output requires a stable load for proper USB PLL locking, so avoid heavy transient loads on VDDCORE. Add a 4.7 uF tantalum or ceramic reservoir capacitor if the board is hot-plugged via USB.
The VTLA-124 package has an exposed central thermal pad that MUST be soldered to the PCB ground pour for both electrical ground and thermal dissipation. At 80 MHz core clock the device typically draws 50-70 mA active and 30-50 uA sleep; the thermal pad keeps junction temperature rise to a few degrees above ambient. Use at least 4 thermal vias in the central pad to conduct heat to the inner ground plane, especially in industrial -40C to +105C designs.
Route the 12 MHz primary oscillator trace in symmetric 5 mm length-matched traces to OSC1/OSC2 and ground the crystal can to the analog ground pour. Keep high-speed USB D+/D- traces 90 ohm differential with no stubs, and place a 90 ohm common-mode choke within 5 mm of the connector. JTAG TMS/TCK/TDO/TDI traces should be less than 50 mm or buffered to avoid debug-port signal integrity issues.
Do not leave the MCLR pin floating - use a 10 kohm pull-up to VDD or the device will randomly reset. Set configuration bits to enable the JTAG port disabled in production firmware if security matters, and never share the JTAG pins with critical peripheral functions without a firmware strategy to recover. The CTMU charge pins require a firmware calibration step before each scan; failing to do so produces severe touch sensitivity drift with temperature.
USB D+/D- traces must maintain 90 ohm differential impedance and be length-matched to within 150 mil. Add an ESD protection array such as TI TPD2E001 or ST USBLC6-2SC6 near the connector. The PMP data bus (PMD0-PMD15) and strobe signals should be length-matched within 1 inch when driving QVGA TFTs at >20 MHz PMP clock to avoid display artifacts.
合规信息
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - this part is industrial-grade, not automotive-grade. Lead-free and halogen-free packaging standard.
