PIC32MX470F512LT-V/TL - 80MHz 32-bit MCU 512KB Flash | Microchip
MPN: PIC32MX470F512LT-V/TL ✓ Hoạt độngPIC32MX470F512LT-V/TL Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC32MX470F512LT-V/TL — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC32MX470F512LT-V/TL (cùng hình factor và footprint) — khác nhau ở ADC, Package, USB, Analog Comparators, Core Architecture.
PIC32MX470F512L-V/TL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX370F512LT-V/TL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX450F256LT-V/TL
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX270F512LT-V/TL
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC32MX470F512LT-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC32MX470F512LT-V/TL Tỷ lệ tối đa & tính chất điện
| 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 |
| Số chân | 124 |
| Hộp | VTLA-124 (9x9 mm) |
| Khoảng nhiệt độ hoạt động | -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) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC32MX470F512LT-V/TL
| Chân 1 | RP0 — Remappable peripheral I/O |
| Chân 2 | RP1 — Remappable peripheral I/O |
| Chân 3 | RP2 — Remappable peripheral I/O |
| Chân 4 | RP3 — Remappable peripheral I/O |
| Chân 5 | RP4 — Remappable peripheral I/O |
| Chân 6 | VDD — I/O supply voltage (2.3V-3.6V) |
| Chân 7 | VSS — I/O ground reference |
| Chân 8 | RP5 — Remappable peripheral I/O |
| Chân 9 | RP6 — Remappable peripheral I/O |
| Chân 10 | RP7 — Remappable peripheral I/O |
| Chân 11 | RP8 — Remappable peripheral I/O |
| Chân 12 | RP9 — Remappable peripheral I/O |
| Chân 13 | VDDCORE — Internal regulator output (1.8V-2.5V) - decouple with 10uF+100nF |
| Chân 14 | RP10 — Remappable peripheral I/O |
| Chân 15 | RP11 — Remappable peripheral I/O |
| Chân 16 | OSC1 — Primary oscillator input |
| Chân 17 | OSC2 — Primary oscillator output |
| Chân 18 | VDD — I/O supply voltage |
| Chân 19 | VSS — I/O ground reference |
| Chân 20 | RP12 — Remappable peripheral I/O |
| Chân 21 | RP13 — Remappable peripheral I/O |
| Chân 22 | RP14 — Remappable peripheral I/O |
| Chân 23 | RP15 — Remappable peripheral I/O |
| Chân 24 | RP16 — Remappable peripheral I/O |
| Chân 25 | RP17 — Remappable peripheral I/O |
| Chân 26 | SOCI — Secondary oscillator input (32.768 kHz) |
| Chân 27 | SOCO — Secondary oscillator output (32.768 kHz) |
| Chân 28 | RP18 — Remappable peripheral I/O |
| Chân 29 | RP19 — Remappable peripheral I/O |
| Chân 30 | RP20 — Remappable peripheral I/O |
| Chân 31 | RP21 — Remappable peripheral I/O |
| Chân 32 | VDD — I/O supply voltage |
| Chân 33 | VSS — I/O ground reference |
| Chân 34 | RP22 — Remappable peripheral I/O |
| Chân 35 | RP23 — Remappable peripheral I/O |
| Chân 36 | RP24 — Remappable peripheral I/O |
| Chân 37 | RP25 — Remappable peripheral I/O |
| Chân 38 | RP26 — Remappable peripheral I/O |
| Chân 39 | RP27 — Remappable peripheral I/O |
| Chân 40 | RP28 — Remappable peripheral I/O |
| Chân 41 | VDDCORE — Internal regulator output - decouple |
| Chân 42 | RP29 — Remappable peripheral I/O |
| Chân 43 | RP30 — Remappable peripheral I/O |
| Chân 44 | RP31 — Remappable peripheral I/O |
| Chân 45 | VSS — I/O ground reference |
| Chân 46 | VDD — I/O supply voltage |
| Chân 47 | PMA0 — Parallel Master Port address bit |
| Chân 48 | PMA1 — Parallel Master Port address bit |
| Chân 49 | PMA2 — Parallel Master Port address bit |
| Chân 50 | PMA3 — Parallel Master Port address bit |
| Chân 51 | PMA4 — Parallel Master Port address bit |
| Chân 52 | PMA5 — Parallel Master Port address bit |
| Chân 53 | PMA6 — Parallel Master Port address bit |
| Chân 54 | PMA7 — Parallel Master Port address bit |
| Chân 55 | PMA8 — Parallel Master Port address bit |
| Chân 56 | PMA9 — Parallel Master Port address bit |
| Chân 57 | PMA10 — Parallel Master Port address bit |
| Chân 58 | PMD0 — Parallel Master Port data bit 0 |
| Chân 59 | PMD1 — Parallel Master Port data bit 1 |
| Chân 60 | PMD2 — Parallel Master Port data bit 2 |
| Chân 61 | PMD3 — Parallel Master Port data bit 3 |
| Chân 62 | PMD4 — Parallel Master Port data bit 4 |
| Chân 63 | PMD5 — Parallel Master Port data bit 5 |
| Chân 64 | PMD6 — Parallel Master Port data bit 6 |
| Chân 65 | PMD7 — Parallel Master Port data bit 7 |
| Chân 66 | PMD8 — Parallel Master Port data bit 8 |
| Chân 67 | PMD9 — Parallel Master Port data bit 9 |
| Chân 68 | PMD10 — Parallel Master Port data bit 10 |
| Chân 69 | PMD11 — Parallel Master Port data bit 11 |
| Chân 70 | PMD12 — Parallel Master Port data bit 12 |
| Chân 71 | PMD13 — Parallel Master Port data bit 13 |
| Chân 72 | PMD14 — Parallel Master Port data bit 14 |
| Chân 73 | PMD15 — Parallel Master Port data bit 15 |
| Chân 74 | PMRD — Parallel Master Port read strobe |
| Chân 75 | PMWR — Parallel Master Port write strobe |
| Chân 76 | PMA11 — Parallel Master Port address bit 11 |
| Chân 77 | PMA12 — Parallel Master Port address bit 12 |
| Chân 78 | PMA13 — Parallel Master Port address bit 13 |
| Chân 79 | PMA14 — Parallel Master Port address bit 14 |
| Chân 80 | PMALL — PMP address latch (low byte) |
| Chân 81 | PMALH — PMP address latch (high byte) |
| Chân 82 | PMCS1 — PMP chip select 1 |
| Chân 83 | PMCS2 — PMP chip select 2 |
| Chân 84 | VDD — I/O supply voltage |
| Chân 85 | VSS — I/O ground reference |
| Chân 86 | TRCLK — Trace clock output |
| Chân 87 | TRD0 — Trace data 0 |
| Chân 88 | TRD1 — Trace data 1 |
| Chân 89 | TRD2 — Trace data 2 |
| Chân 90 | TRD3 — Trace data 3 |
| Chân 91 | D- — USB D- differential data |
| Chân 92 | D+ — USB D+ differential data |
| Chân 93 | VBUS — USB VBUS sense |
| Chân 94 | VUSB — USB internal regulator output - decouple with 1uF |
| Chân 95 | AN0 — ADC analog input 0 |
| Chân 96 | AN1 — ADC analog input 1 |
| Chân 97 | AN2 — ADC analog input 2 |
| Chân 98 | AN3 — ADC analog input 3 |
| Chân 99 | AN4 — ADC analog input 4 |
| Chân 100 | AN5 — ADC analog input 5 |
| Chân 101 | AN6 — ADC analog input 6 |
| Chân 102 | AN7 — ADC analog input 7 |
| Chân 103 | AVDD — Analog supply voltage |
| Chân 104 | AVSS — Analog ground reference |
| Chân 105 | AN8 — ADC analog input 8 |
| Chân 106 | AN9 — ADC analog input 9 |
| Chân 107 | AN10 — ADC analog input 10 |
| Chân 108 | AN11 — ADC analog input 11 |
| Chân 109 | AN12 — ADC analog input 12 |
| Chân 110 | AN13 — ADC analog input 13 |
| Chân 111 | AN14 — ADC analog input 14 |
| Chân 112 | AN15 — ADC analog input 15 |
| Chân 113 | VDD — I/O supply voltage |
| Chân 114 | VSS — I/O ground reference |
| Chân 115 | MCLR — Master clear (reset) - pull to VDD via 10k |
| Chân 116 | TMS — JTAG test mode select |
| Chân 117 | TCK — JTAG test clock |
| Chân 118 | TDO — JTAG test data out |
| Chân 119 | TDI — JTAG test data in |
| Chân 120 | PGED1 — Programming data line 1 |
| Chân 121 | PGEC1 — Programming clock line 1 |
| Chân 122 | PGED2 — Programming data line 2 |
| Chân 123 | PGEC2 — Programming clock line 2 |
| Chân 124 | NC — Not connected (per datasheet - lead side populated) |
Ứng dụng tiêu biểu
PIC32MX470F512LT-V/TL phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC32MX470F512LT-V/TL — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | 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 |
Bảo phân biệt quan trọng
- Highest Flash + SRAM density in PIC32MX4 family at 80 MHz (vsPIC32MX450F256LT-V/TL)
- Adds CTMU capacitive-touch hardware absent in 370 and 270 (vsPIC32MX370F512LT-V/TL)
- 80 MHz core clock vs 50 MHz in lower-cost 270 (vsPIC32MX270F512LT-V/TL)
Ghi chú thiết kế
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.
Thông tin tuân thủ
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.
