PIC32MX570F512LT-50I/PF - 50MHz 512KB Flash MCU | Microchip
料号： PIC32MX570F512LT-50I/PF ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.48 | $64.80 |
| 100 | $5.75 | $575.00 |
| 500 | $5.18 | $2,590.00 |
| 1,000 | $4.61 | $4,610.00 |
PIC32MX570F512LT-50I/PF 概述
A microcontroller (MCU) is a single-chip computer containing a processor core, program memory (Flash), data memory (SRAM), and a rich set of peripherals. The 32-bit class of MCUs extends 8/16-bit devices with higher computational throughput (measured in DMIPS), larger memory addressing, and richer connectivity. Within that class, the PIC32MX5 series targets applications that need multimedia interfaces (I2S for digital audio, PMP for TFT displays) alongside traditional MCU I/O, bridging cost-sensitive industrial and consumer designs.
Key features include 50 MHz / 83 DMIPS MIPS32 M4K core performance, 512 KB Flash (512K x 8), 64 KB SRAM, two I2S modules for audio codecs, four SPI modules for high-speed serial peripherals, Peripheral Pin Select (PPS) for remappable digital I/O, a Parallel Master Port (PMP) with dual buffers, and an on-chip 16-bit ADC with CTMU for touch and capacitive sensing. The 'L' suffix denotes the 100-pin variant, 'T' denotes tape and reel, '50' denotes the 50 MHz speed grade, 'I' is the industrial -40C to +85C temperature range, and 'PF' is the 100-pin TQFP package.
Typical applications include digital audio playback/recording devices using external I2S codecs, low-cost graphical HMI panels with PMP-driven TFT LCDs, industrial control and sensor nodes with CTMU touch sensing, USB device/host/embedded designs using the PIC32 USB stack, and general purpose embedded control with rich peripheral connectivity. The wide operating voltage range (2.3V to 3.6V) and industrial temperature grade support factory automation and outdoor equipment.
When designing with this MCU, verify the power budget: VDD core current scales with clock and peripheral activity, so an LDO or switching regulator sized for the worst-case active mode is essential. Use MPLAB X IDE with the XC32 compiler for firmware development, and consult the device-specific data sheet for pin, peripheral, and electrical characteristics. This page synthesizes distributor pricing, same-family and cross-brand drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet.
直接替换替代料： PIC32MX570F512LT-50I/PF ——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： PIC32MX570F512LT-50I/PF （相同外形与封装尺寸） ——差异在于 Package, ADC, Parallel Master Port (PMP), SPI Modules, Core Architecture.
快速对比工具——选择替代料号进行并排对比：
PIC32MX570F512L-50I/PF
✅ 直接替换📋 参考替代料（不在目录中）
PIC32MX570F512L-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.82 / 个
查看数据手册 →PIC32MX570F512L-50I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.3 / 个
查看数据手册 →PIC32MX570F512LT-50I/GJX
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.47 / 个
查看数据手册 →PIC32MX270F512LT-50I/PF
✅ 直接替换✓ 有现货
$6.32 / 个
查看数据手册 →PIC32MX470F512LT-120/PF
✅ 直接替换✓ 有现货
$5.9 / 个
查看数据手册 →PIC32MX570F512LT-50I/PF 最大额定值与电气特性
| Core Architecture | MIPS32 M4K |
| Core Bit Width | 32-bit |
| Maximum CPU Frequency | 50 MHz |
| DMIPS Performance | 83 DMIPS |
| Program Flash Memory | 512 KB (512K x 8) |
| Data SRAM | 64 KB |
| Operating Voltage Range | 2.3 V to 3.6 V |
| 工作温度范围 | -40C to +85C (Industrial) |
| 封装 | 100-pin TQFP (14x14 mm) |
| 安装类型 | Surface Mount (Tape & Reel) |
| I2S Modules | 2 |
| SPI Modules | 4 |
| Parallel Master Port (PMP) | Yes, dual read/write buffers |
| Peripheral Pin Select (PPS) | Yes |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
| MSL 等级 | 3 (168 hours) |
PIC32MX570F512LT-50I/PF 引脚配置
| 引脚 1 | RG15 — General purpose I/O / PPS remappable |
| 引脚 2 | VDD — Core supply voltage (3.3V typical) |
| 引脚 3 | RA0 — General purpose I/O / analog input |
| 引脚 4 | RA1 — General purpose I/O / analog input |
| 引脚 5 | RA2 — General purpose I/O / analog input |
| 引脚 6 | RA3 — General purpose I/O / analog input |
| 引脚 7 | RA4 — General purpose I/O / analog input |
| 引脚 8 | RA5 — General purpose I/O / analog input |
| 引脚 9 | RA6 — General purpose I/O / analog input |
| 引脚 10 | RA7 — General purpose I/O / analog input |
| 引脚 11 | VSS — Ground reference |
| 引脚 12 | RA8 — General purpose I/O |
| 引脚 13 | RA9 — General purpose I/O |
| 引脚 14 | RA10 — General purpose I/O |
| 引脚 15 | RB0 — General purpose I/O / PMP data |
| 引脚 16 | RB1 — General purpose I/O / PMP data |
| 引脚 17 | RB2 — General purpose I/O / PMP data |
| 引脚 18 | RB3 — General purpose I/O / PMP data |
| 引脚 19 | RB4 — General purpose I/O / PMP data |
| 引脚 20 | RB5 — General purpose I/O / PMP data |
| 引脚 21 | RB6 — General purpose I/O / PMP data |
| 引脚 22 | RB7 — General purpose I/O / PMP data |
| 引脚 23 | RB8 — General purpose I/O / PMP data |
| 引脚 24 | RB9 — General purpose I/O / PMP data |
| 引脚 25 | RB10 — General purpose I/O / PMP data |
| 引脚 26 | RB11 — General purpose I/O / PMP data |
| 引脚 27 | VSS — Ground reference |
| 引脚 28 | VDD — Core supply voltage |
| 引脚 29 | RB12 — General purpose I/O / PMP data |
| 引脚 30 | RB13 — General purpose I/O / PMP data |
| 引脚 31 | RB14 — General purpose I/O / PMP data |
| 引脚 32 | RB15 — General purpose I/O / PMP data |
| 引脚 33 | RC0 — General purpose I/O |
| 引脚 34 | RC1 — General purpose I/O |
| 引脚 35 | RC2 — General purpose I/O |
| 引脚 36 | RC3 — General purpose I/O |
| 引脚 37 | RC4 — General purpose I/O |
| 引脚 38 | RC5 — General purpose I/O |
| 引脚 39 | RC6 — General purpose I/O |
| 引脚 40 | RC8 — General purpose I/O |
| 引脚 41 | RC9 — General purpose I/O |
| 引脚 42 | VDD — Core supply voltage |
| 引脚 43 | VSS — Ground reference |
| 引脚 44 | RC10 — General purpose I/O |
| 引脚 45 | RC11 — General purpose I/O |
| 引脚 46 | RC12 — General purpose I/O |
| 引脚 47 | RC13 — General purpose I/O |
| 引脚 48 | RC14 — General purpose I/O |
| 引脚 49 | RC15 — General purpose I/O |
| 引脚 50 | RD0 — General purpose I/O |
| 引脚 51 | RD1 — General purpose I/O |
| 引脚 52 | RD2 — General purpose I/O |
| 引脚 53 | RD3 — General purpose I/O |
| 引脚 54 | RD4 — General purpose I/O |
| 引脚 55 | RD5 — General purpose I/O |
| 引脚 56 | RD6 — General purpose I/O |
| 引脚 57 | RD7 — General purpose I/O |
| 引脚 58 | RD8 — General purpose I/O |
| 引脚 59 | RD9 — General purpose I/O |
| 引脚 60 | RD10 — General purpose I/O |
| 引脚 61 | RD11 — General purpose I/O |
| 引脚 62 | VSS — Ground reference |
| 引脚 63 | RD12 — General purpose I/O |
| 引脚 64 | RD13 — General purpose I/O |
| 引脚 65 | RD14 — General purpose I/O |
| 引脚 66 | RD15 — General purpose I/O |
| 引脚 67 | RE0 — General purpose I/O / PMADDR |
| 引脚 68 | RE1 — General purpose I/O / PMADDR |
| 引脚 69 | RE2 — General purpose I/O / PMADDR |
| 引脚 70 | RE3 — General purpose I/O / PMADDR |
| 引脚 71 | RE4 — General purpose I/O / PMADDR |
| 引脚 72 | RE5 — General purpose I/O / PMADDR |
| 引脚 73 | RE6 — General purpose I/O / PMADDR |
| 引脚 74 | RE7 — General purpose I/O / PMADDR |
| 引脚 75 | VDD — Core supply voltage |
| 引脚 76 | VSS — Ground reference |
| 引脚 77 | RF0 — General purpose I/O |
| 引脚 78 | RF1 — General purpose I/O |
| 引脚 79 | RF2 — General purpose I/O / USB Vbus |
| 引脚 80 | RF3 — General purpose I/O / USB D- |
| 引脚 81 | RF4 — General purpose I/O / USB D+ |
| 引脚 82 | RF5 — General purpose I/O |
| 引脚 83 | RF6 — General purpose I/O |
| 引脚 84 | RF7 — General purpose I/O |
| 引脚 85 | RF8 — General purpose I/O |
| 引脚 86 | RG0 — General purpose I/O |
| 引脚 87 | RG1 — General purpose I/O |
| 引脚 88 | RG2 — General purpose I/O |
| 引脚 89 | RG3 — General purpose I/O |
| 引脚 90 | VDD — Core supply voltage |
| 引脚 91 | VSS — Ground reference |
| 引脚 92 | RG6 — General purpose I/O |
| 引脚 93 | RG7 — General purpose I/O |
| 引脚 94 | RG8 — General purpose I/O |
| 引脚 95 | RG9 — General purpose I/O |
| 引脚 96 | RG10 — General purpose I/O |
| 引脚 97 | RG11 — General purpose I/O |
| 引脚 98 | RG12 — General purpose I/O |
| 引脚 99 | RG13 — General purpose I/O |
| 引脚 100 | RG14 — General purpose I/O / PPS remappable |
典型应用
PIC32MX570F512LT-50I/PF 适用于 6 应用s: Digital Audio Playback Devices, Industrial HMI with TFT LCD, USB Audio Device / Headset, Capacitive Touch Control Panels, Industrial Sensor Data Logger, Embedded Web Server / TCP-IP Appliance.
Digital Audio Playback Devices
The PIC32MX570F512LT-50I/PF suits digital audio playback designs because it integrates two dedicated I2S modules that interface directly with external audio codecs such as the TI PCM5101A or Cirrus Logic CS4344, supporting 16 to 32-bit sample widths at standard 44.1/48 kHz rates. With 64 KB SRAM buffering compressed audio frames and a MIPS32 M4K core at 50 MHz (83 DMIPS), the MCU can decode MP3, AAC, or PCM streams without external DSP. Placed on the main board driving the I2S bus to a stereo DAC, the part adds no DSP cost while delivering deterministic audio throughput at industrial -40C to +85C temperature. The Peripheral Pin Select feature allows the designer to route I2S clocks to any GPIO, simplifying PCB layout versus fixed-pin I2S MCUs.
推荐
Industrial HMI with TFT LCD
The PIC32MX570F512LT-50I/PF drives graphical HMI panels using its integrated Parallel Master Port (PMP) with dual read/write buffers, which interfaces directly with TFT LCD controllers and external graphics SRAM up to 8-bit parallel. The 50 MHz MIPS32 M4K core has sufficient throughput to refresh 320x240 or 480x272 QVGA/WQVGA TFTs at 30+ FPS without DMA starvation, while the 512 KB Flash holds graphical assets and the 64 KB SRAM provides framebuffer headroom. Used as the main MCU between a 3.3V LDO and the PMP bus, the part enables cost-effective industrial HMI without an external GPU or controller, unlike higher-cost MPU-class solutions.
推荐
USB Audio Device / Headset
The PIC32MX570F512LT-50I/PF is well-matched to USB audio class designs because it integrates a USB 2.0 full-speed OTG controller with on-chip transceiver that talks directly to a USB Type-B or Type-C connector. Combined with two I2S interfaces, the MCU can implement a USB headset, USB microphone, or USB DAC dongle in a single chip, avoiding external USB interface ICs. At 50 MHz (83 DMIPS) it handles USB isochronous transfers at 12 Mbps with sufficient CPU headroom for audio mixing. The 64 KB SRAM buffers 48 kHz stereo streams and the 512 KB Flash holds the Microchip USB audio class firmware stack, while industrial -40C to +85C temperature enables automotive and outdoor USB peripherals.
推荐
Capacitive Touch Control Panels
The PIC32MX570F512LT-50I/PF supports capacitive touch sensing through its on-chip Charge Time Measurement Unit (CTMU) and 16-channel 16-bit ADC, enabling up to 16 touch buttons or a small matrix without an external touch controller. With 512 KB Flash, designers can embed Microchip's mTouch library and button/wheel/slider firmware without licensing fees, while the 50 MHz core provides deterministic scan rates for water-tolerant or glove-touch scenarios. Used as the main MCU reading a touch sensor PCB through dedicated ADC channels, the part delivers noise-immune capacitive measurement at industrial -40C to +85C, making it ideal for appliance front panels, industrial keypads, and consumer touch controls.
推荐
Industrial Sensor Data Logger
The PIC32MX570F512LT-50I/PF serves as a low-power sensor data logger because its 50 MHz MIPS32 M4K core can sample multiple analog sensors through the on-chip 16-bit ADC while sleeping between conversions to conserve power. The 512 KB Flash holds weeks of compressed sensor records, and the four SPI modules interface with external SPI Flash, accelerometers, and temperature/humidity sensors simultaneously via Peripheral Pin Select. With industrial -40C to +85C operating range and 2.3V-3.6V supply, the MCU fits battery-backed dataloggers, remote telemetry units, and industrial IoT edge nodes. The 64 KB SRAM provides headroom for circular log buffers and statistical processing on-board.
推荐
Embedded Web Server / TCP-IP Appliance
The PIC32MX570F512LT-50I/PF runs the Microchip TCP/IP stack with HTTP, SNMP, and SMTP services because its 50 MHz MIPS32 M4K core delivers sufficient throughput for 10 Mbps Ethernet via an external ENC28J60 or for Wi-Fi via SPI-attached modules. The 512 KB Flash holds the full Microchip Harmony TCP/IP stack and a small embedded webserver with custom HTML, while 64 KB SRAM supports multiple TCP socket buffers. Industrial -40C to +85C temperature and 2.3V-3.6V operation enable embedded webserver deployment in factory gateways, environmental monitors, and remote appliance controllers. Unlike MPU-class solutions, this PIC32 MCU-based approach delivers TCP/IP without a Linux OS or external MMU.
推荐
推荐产品汇总
工程参考数据： PIC32MX570F512LT-50I/PF ——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 | PIC32MX570F512L-50I/PF | PIC32MX570F512L-I/PT | PIC32MX570F512LT-50I/GJX | PIC32MX270F512LT-50I/PF | PIC32MX470F512LT-120/PF |
|---|---|---|---|---|---|---|
| Package | TQFP-100 (14x14 mm) | TQFP-100 (14x14 mm) - same | TQFP-100 (PT) - same | TQFP-100 (GJX) - same | TQFP-100 (14x14 mm) - same | TQFP-100 (14x14 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | |
| Core | MIPS32 M4K 32-bit @ 50 MHz | MIPS32 M4K 32-bit @ 50 MHz | MIPS32 M4K 32-bit @ 50 MHz | MIPS32 M4K 32-bit @ 50 MHz | MIPS32 M4K 32-bit @ 120 MHz | |
| Flash | 512 KB | 512 KB | 512 KB | 512 KB | 512 KB | |
| SRAM | 64 KB | 64 KB | 64 KB | 64 KB | 128 KB | |
| DMIPS | 83 DMIPS | 83 DMIPS | 83 DMIPS | 83 DMIPS | 198 DMIPS | |
| 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 | ||
| Temperature Grade | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | ||
| I2S Modules | 2 | 2 | 2 | 2 | ||
| SPI Modules | 4 | 4 | 4 | 4 |
关键差异点
- Same-family drop-in alternative with identical performance （对比 PIC32MX570F512L-50I/PF)
- Higher performance tier in same package （对比 PIC32MX470F512LT-120/PF)
- Lower-cost same-package cousin （对比 PIC32MX270F512LT-50I/PF)
设计说明
The PIC32MX570F512LT-50I/PF requires a clean 2.3V-3.6V supply with maximum 50 mA peak current at full 50 MHz peripheral activity. Use a low-noise LDO such as the MCP1825S-3302E or a small switching regulator with adequate bulk decoupling - place 100 nF X7R ceramic bypass capacitors within 5 mm of every VDD/VSS pin cluster and a 10 uF tantalum or polymer cap on the main rail. The MCU core draws significant inrush at PLL startup, so budget for 2x the steady-state current for 100 us after cold start. Decouple AVss/AVdd analog supplies separately if you use the ADC, with a ferrite bead between digital and analog VDD domains.
Route the 50 MHz MIPS32 M4K core traces as 50 ohm controlled-impedance microstrip or stripline on a 4-layer PCB with continuous ground plane under the TQFP package. Place the 12 MHz primary crystal within 5 mm of the OSC1/OSC2 pins with guard traces to ground, and keep USB D+/D- traces as a matched differential pair of 90 ohms if USB is used. Use a solid ground pour stitched with vias every lambda/20 around the chip, and place the decoupling capacitor land patterns directly under the package to minimize the VDD-VSS loop inductance.
Do not assume 'PF' and 'PT' TQFP package codes are interchangeable in Microchip ordering - while the physical 100-pin TQFP is pin-compatible between the PF and PT suffixes, the carrier type, lead finish, and reel orientation differ, and some ordering systems flag them as separate SKUs. Also, do not substitute a '40 MHz' speed grade (PIC32MX570F512L-40I/PF) for the 50 MHz '50I' design without verifying peripheral timing budgets - peripheral clocks derive from the system clock, so a 20% lower SYSCLK breaks USB and PMP timing. Finally, ensure the ICSP programming header is accessible for firmware updates because MIPS32 PIC32MX chips do not have on-chip bootloaders by default.
The PIC32MX570F512LT-50I/PF integrates USB 2.0 full-speed with on-chip transceiver; route the USB D+/D- differential pair as 90 ohm impedance with matched length, and place a 0 ohm series ferrite bead or common-mode choke near the USB connector to suppress EMI. Use the Peripheral Pin Select (PPS) feature to remap peripheral functions to convenient GPIO, which can simplify PCB layout by routing high-speed peripherals to pins close to external ICs. Finally, leave the MCLR pin accessible with a 10 kohm pull-up to VDD and a tactile-reset button for development, since the PIC32 family requires a clean MCLR rise for reliable startup.
合规信息
RoHS compliant per Microchip product page. Lead-free reflow-compatible per JEDEC J-STD-020. Not AEC-Q100 qualified - step to PIC32MX1/2 automotive-grade families for automotive applications.
