PIC32MX470F512L-120/PT - 32-bit MCU, 120MHz, 512KB Flash | Microchip
부품 번호: PIC32MX470F512L-120/PT ✓ 활성| 수량 | 단가 | 합계 |
|---|---|---|
| 1 | $8.92 | $8.92 |
| 10 | $8.03 | $80.30 |
| 100 | $7.14 | $714.00 |
| 500 | $6.42 | $3,210.00 |
| 1,000 | $5.71 | $5,710.00 |
PIC32MX470F512L-120/PT 개요
A 32-bit microcontroller (MCU) is an integrated processor that combines a high-performance CPU core, on-chip memory (Flash for code and SRAM for data), and a rich set of peripherals (ADC, timers, communication controllers) onto a single silicon die. Within the broader semiconductor hierarchy, a 32-bit MCU sits between an 8/16-bit MCU and a microprocessor (MPU); its advantage is integrating deterministic real-time control with enough compute headroom for protocol handling and modest graphics. The PIC32MX3/4 family, including the PIC32MX470F512L, is pin-compatible with most PIC24 and dsPIC DSC devices, easing migration across Microchip's portfolio.
Key features of the PIC32MX470F512L-120/PT include 512 KB of Flash, 128 KB of RAM, up to 82 I/O lines, an on-chip 10-bit ADC with up to 28 input channels, multiple UART, SPI, I2C, and I2S interfaces, two analog comparators, and a 5-bit CTMU for capacitive touch. A Fail-Safe Clock Monitor (FSCM) and multiple interrupt vectors with individually programmable priority support robust real-time systems.
Architecturally, the MIPS32 M4K core is paired with a multi-vector interrupt controller, a peripheral bus bridge, and dedicated DMA, enabling deterministic response while sustaining high throughput. Hardware multiply/divide and a tightly-coupled prefetch buffer reduce instruction-cycle overhead; the bus matrix arbitrates between CPU, DMA, and peripheral traffic.
Typical applications for this part include industrial control and HMI panels, USB device/host bridges, audio playback peripherals using I2S codecs, graphical user interfaces with PMP-driven TFTs, and consumer/embedded products requiring USB connectivity. The wide peripheral mix also suits data loggers, sensor hubs, and low-cost motor control reference platforms. Automotive-grade (-120V) variants extend the family into AEC-Q100 Grade 2 designs.
A core design consideration is that the device operates at 2.3 V to 3.6 V; mixed-voltage peripherals need level shifters. Decoupling, trace impedance for USB DP-99D90/DM lines, and PMP timing closure are the most common board-level issues. JTAG/ICSP pin pairs (PGECx/PGEDx) must be assigned as matched pairs; both VDD/VSS rails must be bypassed per datasheet recommendations.
This page synthesizes Microchip distributor pricing, same-family drop-in alternatives (PIC32MX570F512L, PIC32MX460F512L), and practical design notes not consolidated in the manufacturer's datasheet. Engineers evaluating pin-compatible replacements or sourcing for production will benefit from the structured comparison and decision guidance below.
드롭인 대체품: PIC32MX470F512L-120/PT — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC32MX470F512L-120/PT (동일 폼 팩터 및 풋프린트) — 차이점: ADC, Package, Operating Temperature, I/O Pins, Core Architecture.
빠른 비교 도구 — 나란히 비교할 대체 부품을 선택하십시오:
PIC32MX460F512L-80I/PT
✅ 드롭인✓ 재고 있음
$6.05 / 개
데이터시트 보기 →PIC32MX470F512L-I/PT
✅ 드롭인✓ 재고 있음
$6.32 / 개
데이터시트 보기 →PIC32MX470F512L-120/PF
✅ 드롭인 ⚠️ 사양 미검증📋 참조 대체품 (카탈로그에 없음)
PIC32MX370F512L-I/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC32MX570F512L-120/PT
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC32MX460F512L-80V/PT
✅ 드롭인✓ 재고 있음
$9.8 / 개
데이터시트 보기 →PIC32MX370F512LT-I/PT
✅ 드롭인✓ 재고 있음
$5.75 / 개
데이터시트 보기 →PIC32MX470F512L-120/PT 최대 정격 & 전기적 특성
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Maximum CPU Frequency | 120 MHz |
| DMIPS Performance | 150 DMIPS |
| Flash Program Memory | 512 KB |
| SRAM Data Memory | 128 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| 동작 온도 범위 | -40C to +105C (industrial) |
| 패키지 | 100-pin TQFP (PT) |
| I/O Pins | Up to 82 |
| ADC | 10-bit, up to 28 channels |
| USB Controller | USB 2.0 Full-Speed OTG |
| Communication Interfaces | 2x I2S/SPI, I2C, UART, PMP |
| Analog Comparators | 2 |
| CTMU | 5-bit Charge Time Measurement Unit |
| 실장 유형 | Surface Mount |
| MSL 레벨 | 3 (168 hours) |
| RoHS 상태 | Compliant |
PIC32MX470F512L-120/PT 핀 구성
| 핀 1 | RG15 — General-purpose I/O / PMP data |
| 핀 2 | RG14 — General-purpose I/O / PMP data |
| 핀 3 | RG13 — General-purpose I/O / SDA2 |
| 핀 4 | RG12 — General-purpose I/O / SCL2 |
| 핀 5 | RG11 — General-purpose I/O |
| 핀 6 | RG10 — General-purpose I/O |
| 핀 7 | RG9 — General-purpose I/O |
| 핀 8 | RG8 — General-purpose I/O |
| 핀 9 | VDD — Supply voltage (2.3V-3.6V) |
| 핀 10 | VSS — Ground |
| 핀 11 | RF0 — General-purpose I/O |
| 핀 12 | RF1 — General-purpose I/O |
| 핀 13 | RF2 — General-purpose I/O / SDA3 |
| 핀 14 | RF3 — General-purpose I/O / SCL3 |
| 핀 15 | RF4 — General-purpose I/O |
| 핀 16 | RF5 — General-purpose I/O |
| 핀 17 | RF6 — General-purpose I/O |
| 핀 18 | RF7 — General-purpose I/O |
| 핀 19 | RF8 — General-purpose I/O |
| 핀 20 | VSS — Ground |
| 핀 21 | VDD — Supply voltage (2.3V-3.6V) |
| 핀 22 | RD0 — General-purpose I/O |
| 핀 23 | RD1 — General-purpose I/O |
| 핀 24 | RD2 — General-purpose I/O |
| 핀 25 | RD3 — General-purpose I/O |
| 핀 26 | RD4 — General-purpose I/O |
| 핀 27 | RD5 — General-purpose I/O |
| 핀 28 | RD6 — General-purpose I/O |
| 핀 29 | RD7 — General-purpose I/O |
| 핀 30 | RD8 — General-purpose I/O |
| 핀 31 | RD9 — General-purpose I/O |
| 핀 32 | RD10 — General-purpose I/O |
| 핀 33 | RD11 — General-purpose I/O |
| 핀 34 | RD12 — General-purpose I/O |
| 핀 35 | RD13 — General-purpose I/O |
| 핀 36 | RD14 — General-purpose I/O |
| 핀 37 | RD15 — General-purpose I/O |
| 핀 38 | VSS — Ground |
| 핀 39 | VDD — Supply voltage (2.3V-3.6V) |
| 핀 40 | RC13 — General-purpose I/O |
| 핀 41 | RC14 — General-purpose I/O / RTCC |
| 핀 42 | RC15 — General-purpose I/O |
| 핀 43 | RB0 — General-purpose I/O / PGED1 |
| 핀 44 | RB1 — General-purpose I/O / PGEC1 |
| 핀 45 | RB2 — General-purpose I/O |
| 핀 46 | RB3 — General-purpose I/O |
| 핀 47 | RB4 — General-purpose I/O |
| 핀 48 | RB5 — General-purpose I/O |
| 핀 49 | RB6 — General-purpose I/O / PGED2 |
| 핀 50 | RB7 — General-purpose I/O / PGEC2 |
| 핀 51 | RB8 — General-purpose I/O |
| 핀 52 | RB9 — General-purpose I/O |
| 핀 53 | RB10 — General-purpose I/O |
| 핀 54 | RB11 — General-purpose I/O |
| 핀 55 | RB12 — General-purpose I/O |
| 핀 56 | RB13 — General-purpose I/O |
| 핀 57 | RB14 — General-purpose I/O |
| 핀 58 | RB15 — General-purpose I/O |
| 핀 59 | VSS — Ground |
| 핀 60 | VDD — Supply voltage (2.3V-3.6V) |
| 핀 61 | RA0 — General-purpose I/O |
| 핀 62 | RA1 — General-purpose I/O |
| 핀 63 | RA2 — General-purpose I/O |
| 핀 64 | RA3 — General-purpose I/O |
| 핀 65 | RA4 — General-purpose I/O |
| 핀 66 | RA5 — General-purpose I/O |
| 핀 67 | RA6 — General-purpose I/O |
| 핀 68 | RA7 — General-purpose I/O |
| 핀 69 | RA9 — General-purpose I/O |
| 핀 70 | RA10 — General-purpose I/O / VREF+ |
| 핀 71 | RA14 — General-purpose I/O / AEREF0 |
| 핀 72 | RA15 — General-purpose I/O |
| 핀 73 | VSS — Ground |
| 핀 74 | VDD — Supply voltage (2.3V-3.6V) |
| 핀 75 | RE0 — General-purpose I/O / PMD0 |
| 핀 76 | RE1 — General-purpose I/O / PMD1 |
| 핀 77 | RE2 — General-purpose I/O / PMD2 |
| 핀 78 | RE3 — General-purpose I/O / PMD3 |
| 핀 79 | RE4 — General-purpose I/O / PMD4 |
| 핀 80 | RE5 — General-purpose I/O / PMD5 |
| 핀 81 | RE6 — General-purpose I/O / PMD6 |
| 핀 82 | RE7 — General-purpose I/O / PMD7 |
| 핀 83 | RE8 — General-purpose I/O |
| 핀 84 | RE9 — General-purpose I/O |
| 핀 85 | VSS — Ground |
| 핀 86 | VDD — Supply voltage (2.3V-3.6V) |
| 핀 87 | RG0 — General-purpose I/O / PMP |
| 핀 88 | RG1 — General-purpose I/O / PMP |
| 핀 89 | RG2 — General-purpose I/O / D+ |
| 핀 90 | RG3 — General-purpose I/O / D- |
| 핀 91 | RG6 — General-purpose I/O |
| 핀 92 | RG7 — General-purpose I/O |
| 핀 93 | RG8 — General-purpose I/O |
| 핀 94 | RG9 — General-purpose I/O |
| 핀 95 | VSS — Ground |
| 핀 96 | VDD — Supply voltage (2.3V-3.6V) |
| 핀 97 | MCLR — Master Clear (reset) input |
| 핀 98 | OSC1 — Crystal oscillator input |
| 핀 99 | OSC2 — Crystal oscillator output |
| 핀 100 | VSS — Ground |
일반적인 애플리케이션
PIC32MX470F512L-120/PT 적합 용도: 7 애플리케이션s: USB Audio Device, Graphical HMI with TFT LCD, Industrial Sensor Hub / Data Logger, USB Device / Host Bridge, Capacitive Touch Control Panel, Audio Playback with I2S Codec, Low-Cost Motor Control Reference Platform.
USB Audio Device
The PIC32MX470F512L-120/PT integrates a USB 2.0 Full-Speed OTG controller alongside two I2S/SPI modules and 128 KB of SRAM, making it well-suited for USB audio peripherals such as USB headsets, USB DACs, and USB-to-I2S bridges. With 120 MHz / 150 DMIPS of MIPS32 M4K performance, the device can run a USB audio class driver, manage DMA-fed I2S streams, and handle HID volume controls simultaneously. Its 512 KB Flash is enough to host a full USB stack plus application firmware, while the 10-bit ADC supports auxiliary analog monitoring. Power consumption can be tuned through Microchip's idle/sleep modes, allowing battery-friendly operation for portable audio use cases.
추천
Graphical HMI with TFT LCD
With a Parallel Master Port (PMP) capable of driving TFT LCDs and 120 MHz of CPU headroom, the PIC32MX470F512L-120/PT serves as the host MCU for graphical human-machine interfaces (HMIs) in industrial control panels and appliances. The 128 KB SRAM is enough for small frame buffers, while the 512 KB Flash can host Microchip's graphics library plus application code. Peripheral Pin Select (PPS) reassigns digital functions to nearly any I/O, simplifying PCB routing for touch and display. CTMU enables capacitive touch sensing for buttons and sliders behind the cover glass, reducing mechanical parts.
추천
Industrial Sensor Hub / Data Logger
The PIC32MX470F512L-120/PT's 10-bit ADC with up to 28 input channels, two analog comparators, and multiple UART/SPI/I2C ports enable multi-sensor aggregation in industrial monitoring equipment. Industrial -40C to +105C temperature rating supports factory floor deployments. With 120 MHz of compute, the device can sample, condition, and timestamp sensor data into a local buffer before forwarding via UART, SPI, or USB. CTMU extends the analog front-end to capacitive and ratiometric measurements (e.g., temperature, humidity, strain). Fail-Safe Clock Monitor (FSCM) maintains deterministic behavior even under noisy power conditions.
추천
USB Device / Host Bridge
The integrated USB 2.0 OTG controller supports both USB device and limited host roles, allowing the PIC32MX470F512L-120/PT to act as a USB-serial/UART/SPI bridge between a host PC and legacy peripherals. The 120 MHz core handles the full-speed USB protocol stack, while 512 KB Flash hosts CDC/ACM, HID, or vendor-class firmware. Industrial temperature rating and 2.3V-3.6V operation suit embedded installations. PPS flexibility keeps board routing dense even when exposing USB alongside UART, I2C, and GPIO.
추천
Capacitive Touch Control Panel
The PIC32MX470F512L-120/PT integrates a Charge Time Measurement Unit (CTMU) that simplifies capacitive touch sensing for buttons, sliders, and proximity wake-up. Combined with Peripheral Pin Select and the 100-pin TQFP's high I/O count, the device supports multi-zone touch panels behind glass or plastic overlays without dedicated touch ICs. The 120 MHz CPU runs Microchip's mTouch firmware libraries and processes gestures in real time. 128 KB SRAM is enough for touch state machines and debounce buffers. Industrial temperature rating suits kitchen, automotive, and outdoor use.
추천
Audio Playback with I2S Codec
Two I2S/SPI modules on the PIC32MX470F512L-120/PT let designers connect external audio codecs for stereo playback and recording. 128 KB SRAM is sufficient for buffer-based audio streaming using DMA-fed I2S, while 512 KB Flash holds audio decoders such as MP3 or WAV. The 120 MHz MIPS32 M4K core sustains decoding and DMA servicing concurrently without dropping samples. CTMU and the ADC add auxiliary analog inputs for line-level monitoring. Industrial temperature and 2.3-3.6V operation support consumer audio docks and intercom units.
추천
Low-Cost Motor Control Reference Platform
The PIC32MX470F512L-120/PT's combination of 120 MHz CPU, PWM-capable timers, ADCs, and quadrature encoder interfaces enables a low-cost brushless DC or stepper motor control platform. The MIPS32 M4K core runs FOC or trapezoidal commutation algorithms in real time, while PPS routes peripheral functions to convenient pins. Industrial temperature rating suits motor enclosures. 512 KB Flash fits reference algorithms plus tuning parameters. Designers can prototype using Microchip's motor control libraries and migrate to a smaller PIC32MX variant for production.
추천
추천 제품 요약
엔지니어링 참조 데이터: PIC32MX470F512L-120/PT — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC32MX460F512L-80I/PT | PIC32MX470F512L-I/PT | PIC32MX570F512L-120/PT | PIC32MX370F512L-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same | 100-pin TQFP (PT) 12x12 mm - same |
| Maximum CPU Clock | 120 MHz | 80 MHz (-33%) | 80 MHz (-33%) | 120 MHz (same) | 80 MHz (-33%) |
| Flash Program Memory | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB |
| SRAM Data Memory | 128 KB | 128 KB | 128 KB | 128 KB | 64 KB (-50%) |
| USB Controller | 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 |
| Operating Temperature | -40C to +105C | -40C to +85C | -40C to +105C | -40C to +105C | -40C to +105C |
| 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 |
| Approx. Unit Price (qty-1) | $8.92 | $7.60 | $8.10 | $9.50 | $7.40 |
주요 차별점
- Highest-speed grade in the PIC32MX470 family at 120 MHz / 150 DMIPS (vs PIC32MX460F512L-80I/PT)
- Full SRAM complement of 128 KB vs reduced 64 KB in lower-spec siblings (vs PIC32MX370F512L-I/PT)
- Industrial -40C to +105C temperature range vs commercial 0C to +70C on I-suffix siblings (vs PIC32MX470F512L-120V/PT)
- Pin-compatible upgrade path to PIC32MX570 with expanded peripherals (vs PIC32MX570F512L-120/PT)
설계 노트
The PIC32MX470F512L-120/PT operates from a single 2.3 V to 3.6 V supply rail. Place a 0.1 uF decoupling capacitor as close as possible to each VDD pin (the 100-pin TQFP has six VDD pins and six VSS pins distributed around the package). A bulk 10 uF tantalum or ceramic capacitor on the main supply rail is recommended. If using the on-chip voltage regulator for the core, follow the Microchip reference schematic for the 1 uF/470 nF regulator output capacitor network; the exact value depends on whether you select the internal or external regulator mode.
USB DP/DM lines (RG2/RG3) must be routed as a 90 ohm differential pair with matched length and a continuous ground reference. Avoid stubs; place the USB series termination resistors close to the MCU. Keep crystal traces (OSC1/OSC2) short and surrounded by ground pour. For PMP-driven TFTs, route data/control lines together with matched lengths and isolate them from analog ADC inputs (RA0-RA15) with a ground barrier to reduce switching noise coupling into ADC readings.
ICSP/JTAG requires matched PGECx/PGEDx pairs - using PGEC2 without PGED2 (or vice versa) breaks in-circuit programming. Both VDD and VSS pins must be properly bypassed; floating any VDD pin causes unpredictable behavior. The MCLR pin requires a 10 kohm pull-up to VDD and a 100 nF cap to ground for reset stability. Programming voltage must NOT exceed 3.6 V on MCLR; applying 5 V to MCLR can damage the device on later silicon revisions.
The 100-pin TQFP (PT) package has limited thermal dissipation compared to QFN packages; at 120 MHz and high I/O toggle rates, junction temperature can rise noticeably. Estimated: at typical 50 MHz peripheral bus activity and 60 MHz CPU load, junction-to-ambient thermal resistance theta_JA is approximately 50 C/W, allowing up to ~1 W dissipation before exceeding the +105C industrial limit. Ensure the PCB layout includes a solid ground pour under the TQFP exposed die pad (where present) to maximize heat spreading.
PPS (Peripheral Pin Select) remaps digital peripherals to most I/O pins, but analog functions (ADC, comparators, CTMU) are fixed to specific pins. Plan the analog front-end around the fixed analog pin assignments first, then use PPS to route digital functions around the analog pins. For capacitive touch using CTMU, dedicated CTMU channels must be used; shared analog pins may have settling time considerations that affect touch accuracy. Add small RC filters on analog inputs in high-noise environments.
규정 준수 정보
RoHS compliant per Microchip product page. The PIC32MX470F512L-120/PT (standard -120 grade) is industrial temp grade, not AEC-Q100; the automotive -120V variant is AEC-Q100 Grade 2 qualified.
