Microchip Technology

PIC32MX570F512LT-50I/PF - 50MHz 512KB Flash MCU | Microchip

Артикул: PIC32MX570F512LT-50I/PF ✓ Активен
В наличии Отправка в течение 1–3 рабочих дней
2.3 V to 3.6 V Vdss 100-pin TQFP (14x14 mm) Package 50 MHz Speed 512 KB (512K x 8) Memory
От $4.61 USD / шт.
MOQ: 1 |
Цена обновлена: 2026-10-03
Оптовые цены
Кол-во Цена за ед. Итого
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
ℹ️ Все цены указаны в USD

PIC32MX570F512LT-50I/PF Обзор

The Microchip Technology PIC32MX570F512LT-50I/PF is a 32-bit MIPS microcontroller from the PIC32MX5 family featuring a MIPS32 M4K core running up to 50 MHz (83 DMIPS) with 512 KB of Flash and 64 KB of SRAM in a 100-pin TQFP (14x14 mm) package. It integrates two I2S and four SPI modules for codec and serial communications, Peripheral Pin Select (PPS) for flexible pin mapping, and a Parallel Master Port (PMP) with dual read/write buffers for graphics interfaces.

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.

Аналоги без доработки для PIC32MX570F512LT-50I/PF — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.

Варианты в этой серии

Модели той же серии, совместимые без доработки с PIC32MX570F512LT-50I/PF (тот же форм-фактор и посадочное место) — отличается по Package, ADC, Parallel Master Port (PMP), SPI Modules, Core Architecture.

Microchip Technology
Package: 100-TQFP (14x14 mm)
ADC: 10-bit, up to 48 channels, 1 Msps
Parallel Master Port (PMP): Yes, dual buffers for graphics
Microchip Technology
Package: 100-pin TQFP (14x14 mm, 0.4 mm pitch)
ADC: 10-bit, up to 28 channels
Core Architecture: MIPS32 M4K 32-bit RISC
Microchip Technology
Package: 100-pin TQFP (PT), 12x12 mm
ADC: 10-bit, 1 MSPS, up to 48 channels
SPI Modules: 4 (also configurable as I2S)
Microchip Technology
Package: 100-pin TQFP (PT), 12 x 12 mm
ADC: 10-bit, 1 Msps (per family datasheet)
SPI Modules: 4 (configurable as I2S)
Microchip Technology
Package: 100-pin TFBGA (7x7 mm)
ADC: 10-bit, up to 16 channels
Parallel Master Port (PMP): Yes, dual buffers
Microchip Technology
Package: 100-pin TQFP (12x12 mm)
ADC: 10-bit, 1 Msps
Parallel Master Port (PMP): Yes, with dual read/write buffers
Microchip Technology
Package: 100-pin TFBGA (7x7 mm), GJX suffix
ADC: 10-bit, up to 1 Msps, up to 16 channels
Parallel Master Port (PMP): Yes, with dual read/write buffers for graphics

Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:

PIC32MX570F512L-50I/PF

✅ Прямая замена
📦 TQFP-100 (14x14 mm)
tray packaging instead of tape and reel, identical silicon die and pinout

📋 Справочный аналог (нет в каталоге)

PIC32MX570F512L-I/PT

✅ Прямая замена ⚠️ Характеристики не проверены
Microchip Technology
📦 TQFP-100 (PT)
MIPS32 M4K · 50 MHz (83 DMIPS) · 512 KB (512K x 8) · 64 KB · 2.3 V to 3.6 V · -40 C to +85 C (Industrial, -I suffix) · 100-pin TQFP (PT), 12 x 12 mm · 81 (typical, 100-pin variant)

✓ В наличии

$4.82 / шт.

Открыть даташит →

PIC32MX570F512L-50I/PT

✅ Прямая замена ⚠️ Характеристики не проверены
Microchip Technology
📦 TQFP-100 (PT)
MIPS32 M4K · 50 MHz · 83 DMIPS · 512 KB (512K x 8) · 64 KB · 2.3 V to 3.6 V · 83 · 10-bit, 1 MSPS, up to 48 channels

✓ В наличии

$5.3 / шт.

Открыть даташит →

PIC32MX570F512LT-50I/GJX

✅ Прямая замена ⚠️ Характеристики не проверены
Microchip Technology
📦 TQFP-100 (GJX)
MIPS32 M4K · 50 MHz · 83 DMIPS · 512 KB · 64 KB · 2.3 V to 3.6 V · 77 · 100-pin TFBGA (7x7 mm)

✓ В наличии

$5.47 / шт.

Открыть даташит →

PIC32MX270F512LT-50I/PF

✅ Прямая замена
Microchip Technology
📦 TQFP-100 (14x14 mm)
MIPS32 M4K · 50 MHz · 83 DMIPS · 512 KB (512K x 8) · 64 KB · 2.3 V to 3.6 V · -40C to +85C (Industrial) · 100-TQFP (14x14 mm)

✓ В наличии

$6.32 / шт.

Открыть даташит →

PIC32MX470F512LT-120/PF

✅ Прямая замена
Microchip Technology
📦 TQFP-100 (14x14 mm)
MIPS32 M4K 32-bit RISC · 120 MHz · 150 DMIPS · 512 KB · 128 KB · 2.3 V to 3.6 V · -40 C to +105 C · 100-pin TQFP (14x14 mm, 0.4 mm pitch)

✓ В наличии

$5.9 / шт.

Открыть даташит →

PIC32MX570F512LT-50I/PF Максимальные параметры и электрические характеристики

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
Диапазон рабочих температур -40C to +85C (Industrial)
Корпус 100-pin TQFP (14x14 mm)
Тип монтажа Surface Mount (Tape & Reel)
I2S Modules 2
SPI Modules 4
Parallel Master Port (PMP) Yes, dual read/write buffers
Peripheral Pin Select (PPS) Yes
Статус RoHS Compliant
Lead-Free Yes
Уровень MSL 3 (168 hours)

Конфигурация выводов PIC32MX570F512LT-50I/PF

TQFP-100 Package Pinout Diagram TQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 TQFP-100
Контакт 1 RG15 — General purpose I/O / PPS remappable
Контакт 2 VDD — Core supply voltage (3.3V typical)
Контакт 3 RA0 — General purpose I/O / analog input
Контакт 4 RA1 — General purpose I/O / analog input
Контакт 5 RA2 — General purpose I/O / analog input
Контакт 6 RA3 — General purpose I/O / analog input
Контакт 7 RA4 — General purpose I/O / analog input
Контакт 8 RA5 — General purpose I/O / analog input
Контакт 9 RA6 — General purpose I/O / analog input
Контакт 10 RA7 — General purpose I/O / analog input
Контакт 11 VSS — Ground reference
Контакт 12 RA8 — General purpose I/O
Контакт 13 RA9 — General purpose I/O
Контакт 14 RA10 — General purpose I/O
Контакт 15 RB0 — General purpose I/O / PMP data
Контакт 16 RB1 — General purpose I/O / PMP data
Контакт 17 RB2 — General purpose I/O / PMP data
Контакт 18 RB3 — General purpose I/O / PMP data
Контакт 19 RB4 — General purpose I/O / PMP data
Контакт 20 RB5 — General purpose I/O / PMP data
Контакт 21 RB6 — General purpose I/O / PMP data
Контакт 22 RB7 — General purpose I/O / PMP data
Контакт 23 RB8 — General purpose I/O / PMP data
Контакт 24 RB9 — General purpose I/O / PMP data
Контакт 25 RB10 — General purpose I/O / PMP data
Контакт 26 RB11 — General purpose I/O / PMP data
Контакт 27 VSS — Ground reference
Контакт 28 VDD — Core supply voltage
Контакт 29 RB12 — General purpose I/O / PMP data
Контакт 30 RB13 — General purpose I/O / PMP data
Контакт 31 RB14 — General purpose I/O / PMP data
Контакт 32 RB15 — General purpose I/O / PMP data
Контакт 33 RC0 — General purpose I/O
Контакт 34 RC1 — General purpose I/O
Контакт 35 RC2 — General purpose I/O
Контакт 36 RC3 — General purpose I/O
Контакт 37 RC4 — General purpose I/O
Контакт 38 RC5 — General purpose I/O
Контакт 39 RC6 — General purpose I/O
Контакт 40 RC8 — General purpose I/O
Контакт 41 RC9 — General purpose I/O
Контакт 42 VDD — Core supply voltage
Контакт 43 VSS — Ground reference
Контакт 44 RC10 — General purpose I/O
Контакт 45 RC11 — General purpose I/O
Контакт 46 RC12 — General purpose I/O
Контакт 47 RC13 — General purpose I/O
Контакт 48 RC14 — General purpose I/O
Контакт 49 RC15 — General purpose I/O
Контакт 50 RD0 — General purpose I/O
Контакт 51 RD1 — General purpose I/O
Контакт 52 RD2 — General purpose I/O
Контакт 53 RD3 — General purpose I/O
Контакт 54 RD4 — General purpose I/O
Контакт 55 RD5 — General purpose I/O
Контакт 56 RD6 — General purpose I/O
Контакт 57 RD7 — General purpose I/O
Контакт 58 RD8 — General purpose I/O
Контакт 59 RD9 — General purpose I/O
Контакт 60 RD10 — General purpose I/O
Контакт 61 RD11 — General purpose I/O
Контакт 62 VSS — Ground reference
Контакт 63 RD12 — General purpose I/O
Контакт 64 RD13 — General purpose I/O
Контакт 65 RD14 — General purpose I/O
Контакт 66 RD15 — General purpose I/O
Контакт 67 RE0 — General purpose I/O / PMADDR
Контакт 68 RE1 — General purpose I/O / PMADDR
Контакт 69 RE2 — General purpose I/O / PMADDR
Контакт 70 RE3 — General purpose I/O / PMADDR
Контакт 71 RE4 — General purpose I/O / PMADDR
Контакт 72 RE5 — General purpose I/O / PMADDR
Контакт 73 RE6 — General purpose I/O / PMADDR
Контакт 74 RE7 — General purpose I/O / PMADDR
Контакт 75 VDD — Core supply voltage
Контакт 76 VSS — Ground reference
Контакт 77 RF0 — General purpose I/O
Контакт 78 RF1 — General purpose I/O
Контакт 79 RF2 — General purpose I/O / USB Vbus
Контакт 80 RF3 — General purpose I/O / USB D-
Контакт 81 RF4 — General purpose I/O / USB D+
Контакт 82 RF5 — General purpose I/O
Контакт 83 RF6 — General purpose I/O
Контакт 84 RF7 — General purpose I/O
Контакт 85 RF8 — General purpose I/O
Контакт 86 RG0 — General purpose I/O
Контакт 87 RG1 — General purpose I/O
Контакт 88 RG2 — General purpose I/O
Контакт 89 RG3 — General purpose I/O
Контакт 90 VDD — Core supply voltage
Контакт 91 VSS — Ground reference
Контакт 92 RG6 — General purpose I/O
Контакт 93 RG7 — General purpose I/O
Контакт 94 RG8 — General purpose I/O
Контакт 95 RG9 — General purpose I/O
Контакт 96 RG10 — General purpose I/O
Контакт 97 RG11 — General purpose I/O
Контакт 98 RG12 — General purpose I/O
Контакт 99 RG13 — General purpose I/O
Контакт 100 RG14 — General purpose I/O / PPS remappable

Типичное применение

PIC32MX570F512LT-50I/PF подходит для 6 применениеs: 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.

🏭

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.

🎧

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.

🏭

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.

🧩

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.

🌐

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.

Сводка рекомендуемых товаров

PCM5101A 32-bit stereo audio DAC that pairs with PIC32 I2S Используется в: Digital Audio Playback Devices CS4344 24-bit stereo DAC, I2S-input, complementary to PIC32 I2S Используется в: Digital Audio Playback Devices PIC32MX570F512L-50I/PF Tray variant of same MCU, drop-in for prototype Используется в: Digital Audio Playback Devices HX8347-A 240x320 TFT LCD controller that pairs with PIC32 PMP Используется в: Industrial HMI with TFT LCD SSD1963 Solomon Systech Используется в: Industrial HMI with TFT LCD PIC32MX470F512L-120/PT Microchip Technology Используется в: Industrial HMI with TFT LCD TLV320AIC3100 Low-power stereo codec with I2S and integrated mic bias Используется в: USB Audio Device / Headset PIC32MX570F512LT-50I/PT Microchip Technology Используется в: USB Audio Device / Headset MCP6072 Low-offset op-amp for signal conditioning in CTMU circuits Используется в: Capacitive Touch Control Panels PIC32MX570F512L-I/PT Microchip Technology Используется в: Capacitive Touch Control Panels MCP9808 High-accuracy I2C temperature sensor for industrial datalogging Используется в: Industrial Sensor Data Logger W25Q128JVSIQ 128 Mbit SPI Flash for sensor log storage with PIC32 SPI Используется в: Industrial Sensor Data Logger PIC32MX470F512LT-I/PT Microchip Technology Используется в: Industrial Sensor Data Logger ENC28J60-I/SP SPI-attached 10 Mbps Ethernet controller for PIC32 networking Используется в: Embedded Web Server / TCP-IP Appliance RN171 Embedded Wi-Fi module over UART for wireless variants Используется в: Embedded Web Server / TCP-IP Appliance
What is the operating voltage of PIC32MX570F512LT-50I/PF?
The PIC32MX570F512LT-50I/PF operates from 2.3V to 3.6V on its VDD pins. According to the Microchip PIC32MX5XX/6XX family datasheet, the part supports 3.3V typical operation and is tolerant of common 2.5V industrial rails, making it suitable for designs previously using 3.3V PIC24 or PIC32MX3/4 devices. Always check the device-specific electrical characteristics section before finalizing your power tree.
How much Flash and RAM does PIC32MX570F512LT-50I/PF have?
The PIC32MX570F512LT-50I/PF integrates 512 KB of Flash program memory (512K x 8 organization) and 64 KB of SRAM data memory. This dual-bank memory layout allows live firmware updates via the dual-panel Flash feature, and the 64 KB SRAM accommodates typical RTOS, TCP/IP stack, and graphics framebuffer workloads commonly deployed in PIC32MX5 designs.
What is the difference between PIC32MX570F512L-50I/PF and PIC32MX570F512LT-50I/PF?
Both parts are the same silicon die and 100-pin TQFP package; the 'T' suffix denotes Tape & Reel packaging rather than Tray. Functionally the parts are identical (same Flash, RAM, peripherals, 50 MHz speed), so you can substitute one for the other when migrating between hand-prototype (tray) and production-line (reel) handling, with identical compatible PIC32 software image and pinout.
Where can I download the PIC32MX570F512LT-50I/PF datasheet PDF?
The official PIC32MX570F512LT-50I/PF datasheet PDF is available on the Microchip product page at microchip.com/en-us/product/PIC32MX570F512L, alongside errata and the PIC32MX5XX/6XX family reference manual. According to Microchip documentation conventions, register-level details live in the family reference manual while pin, electrical, and ordering details live in the device-specific data sheet.
Does PIC32MX570F512LT-50I/PF support USB?
The PIC32MX570F512L family integrates a USB 2.0 full-speed device/host/OTG controller with on-chip transceiver, which the PIC32MX570F512LT-50I/PF retains in its 100-pin TQFP variant. For designs using USB, allocate the dedicated USB D+/D- pins per the datasheet pin tables and ensure the 3.3V USB rail meets the suspend-current requirements of 2.5 mA or less on VBUS sensing.
What is the maximum CPU clock frequency of PIC32MX570F512LT-50I/PF?
The PIC32MX570F512LT-50I/PF runs the MIPS32 M4K core at up to 50 MHz, delivering 83 DMIPS of performance. The '50' speed-grade code in the ordering part number denotes this 50 MHz cap; lower-cost '40' speed grades and higher-cost '80' grades are available across the wider PIC32MX5 family but require matching datasheet validation for any given die variant.
Where to buy PIC32MX570F512LT-50I/PF online at the best price?
As of 2026-10-03, PIC32MX570F512LT-50I/PF is in stock at authorized distributors including DigiKey (5032838-suffix SKU) and Mouser, with the lowest available unit price observed at LCSC Electronics at $3.22 per unit. Compare total landed cost including lead time - Microchip factory-direct orders typically carry longer lead times than authorized distributor stock, which is critical during allocation periods.
What is the lead time for PIC32MX570F512LT-50I/PF?
As of 2026-10-03, the PIC32MX570F512LT-50I/PF ships immediately from DigiKey (DigiKey listing 5032838) and from Mouser, with factory-direct Microchip orders typically shipping within 6 to 10 weeks depending on tape and reel quantity. For production volumes, order at least 12 weeks ahead to absorb typical 2026 lead-time variance for industrial-grade Microchip PIC32 inventory.
PIC32MX570F512LT-50I/PF vs PIC32MX470F512LT-I/PF - which should I choose?
Both are PIC32MX 512 KB Flash 100-pin TQFP parts, but the PIC32MX570 runs at 50 MHz with 64 KB RAM while the PIC32MX470 runs at 80 MHz with 128 KB RAM and adds crypto acceleration. Choose PIC32MX570F512LT-50I/PF for cost-sensitive industrial designs that need 512 KB memory and 50 MHz performance, and choose PIC32MX470F512L-120/PF if you need higher clock speed, more RAM, or hardware crypto. Both share identical pinout in the 100-pin TQFP.
What is the best drop-in replacement for PIC32MX570F512LT-50I/PF?
The best drop-in replacement for PIC32MX570F512LT-50I/PF within the same Microchip family is the non-'T' tray version PIC32MX570F512L-50I/PF, which is the same silicon die in identical 100-pin TQFP package and 50 MHz speed grade. According to Microchip cross-reference conventions, tray vs. tape-and-reel parts of the same die are fully drop-in compatible, while lower-cost '40' speed grades are not recommended as replacements for '50' designs.
Is PIC32MX570F512LT-50I/PF pin-compatible with PIC32MX550F256L-50I/PF?
The PIC32MX570F512LT-50I/PF and PIC32MX550F256L-50I/PF are NOT pin-compatible drop-in alternatives - while both ship in 100-pin TQFP, the PIC32MX570 has 512 KB Flash and the PIC32MX550 has only 256 KB Flash, and they have different peripheral pin mapping tables. According to the Microchip PIC32MX5XX family datasheet, memory size and pin configuration are not guaranteed identical across different part numbers even in the same package.
What is the industrial temperature grade of PIC32MX570F512LT-50I/PF?
The 'I' suffix in PIC32MX570F512LT-50I/PF denotes the industrial temperature grade of -40°C to +85°C, suitable for outdoor enclosures, factory automation, and most commercial-industrial embedded applications. For automotive AEC-Q100 qualified parts, you would need to step to a different PIC32 family member because the standard PIC32MX570F512L does not carry AEC-Q100 qualification per the Microchip product page.
What are the key specifications of PIC32MX570F512LT-50I/PF that engineers should know?
The PIC32MX570F512LT-50I/PF key specifications are: MIPS32 M4K core at 50 MHz / 83 DMIPS, 512 KB Flash, 64 KB SRAM, 2.3-3.6V operating voltage, two I2S interfaces, four SPI modules, Parallel Master Port with dual buffers, Peripheral Pin Select remappable I/O, USB 2.0 full-speed OTG, and industrial -40C to +85C temperature range in a 100-pin TQFP package. These eight parameters cover the engineering decision checklist for selecting this PIC32 MCU.
What is the cross-brand equivalent of PIC32MX570F512LT-50I/PF from ST or NXP?
There is no direct cross-brand drop-in equivalent for PIC32MX570F512LT-50I/PF because Microchip PIC32MX uses the MIPS32 M4K core, while competing MCUs from STMicroelectronics (STM32) and NXP (LPC) use ARM Cortex-M3/M4 cores with different instruction sets and toolchains. According to Microchip cross-reference guidance, cross-brand migration requires firmware recompilation with the new vendor's IDE and compiler, and is NOT a pin-compatible drop-in replacement.

Справочные инженерные данные для PIC32MX570F512LT-50I/PF — сравнение, рекомендации по проектированию и информация о соответствии.

Руководство по выбору

Choose PIC32MX570F512LT-50I/PF when you need a 32-bit MIPS MCU with 512 KB Flash, 64 KB SRAM, two I2S audio interfaces, a Parallel Master Port for TFT displays, and 50 MHz performance at industrial -40C to +85C in a 100-pin TQFP. This part is ideal for industrial HMI panels, USB audio peripherals, and digital audio playback. Choose the tray variant PIC32MX570F512L-50I/PF for hand-built prototypes; choose PIC32MX270F512LT-50I/PF if you don't need the PIC32MX570's full peripheral mix and want to reduce cost; step up to PIC32MX470F512LT-120/PF if your design needs more than 83 DMIPS or more than 64 KB RAM. All four parts share the same 100-pin TQFP footprint, enabling PCB reuse across these PIC32MX5 family variants.

Сравнение с аналогами

Параметр Этот товар 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

Ключевые отличия

  • Same-family drop-in alternative with identical performance (против PIC32MX570F512L-50I/PF)
  • Higher performance tier in same package (против PIC32MX470F512LT-120/PF)
  • Lower-cost same-package cousin (против PIC32MX270F512LT-50I/PF)

Заметки по проектированию

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.

Информация о соответствии

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Qualified
Без свинца
Yes
Без галогенов
Yes
Конфликтные минералы
Compliant

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.

Данные проверены: 2026-10-03 — данные проверены и курируются командой компонентной инженерии XAIPART

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Связанные компоненты & термины

Microchip Technology PIC32MX570F512LT-50I/PF PIC32MX570F512L-50I/PF PIC32MX270F512LT-50I/PF PIC32MX470F512LT-120/PF MIPS32 M4K microcontroller MCU 32-bit TQFP-100 RoHS AEC-Q100 I2S SPI Parallel Master Port Peripheral Pin Select USB 2.0 Charge Time Measurement Unit industrial temperature grade digital audio HMI
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