Microchip Technology

PIC32MX530F128L-I/PF - 50MHz 128KB Flash 32-bit MCU | Microchip

MPN: PIC32MX530F128L-I/PF ✓ Hoạt động
2.5 V / 3.3 V Vdss 100-pin TQFP (14x14 mm) Package 50 MHz Speed 128 KB (128K x 8) Memory
MOQ: 1 |

PIC32MX530F128L-I/PF Tóm tắt

The Microchip Technology PIC32MX530F128L-I/PF is a 32-bit MIPS32 M4K microcontroller running at up to 50 MHz (83 DMIPS), integrating 128 KB of Flash and 16 KB of SRAM in a 100-pin TQFP (14x14 mm) package. It features a USB 2.0 Full-Speed OTG controller and a CAN 2.0B module with DeviceNet addressing support, alongside two I2S and four SPI interfaces for audio codecs and high-speed serial peripherals.

A 32-bit microcontroller (MCU) is an integrated processor core with on-chip Flash program memory, SRAM data memory, and a rich set of digital and analog peripherals intended for embedded control. The PIC32MX5XX family is built on the MIPS32 M4K core architecture, positioning it in the broader hierarchy: microcontroller -> embedded processor -> semiconductor IC. Compared with 8-bit and 16-bit MCUs, a 32-bit core delivers higher computational throughput per MHz and more deterministic interrupt latency, which is why PIC32MX devices are selected over PIC16/PIC24 families for USB, graphics, and audio bridging applications.

Key features include Peripheral Pin Select (PPS) remapping for flexible I/O assignment, a Parallel Master Port (PMP) with dual buffers for graphics interfaces, a 10-bit 1 MSPS ADC, and a Charge Time Measurement Unit (CTMU) for capacitive touch and time-of-flight sensing. The CTMU is highlighted because it enables mTouch capacitive touch button, slider, and proximity-sensing implementations without an external touch controller, reducing BOM cost.

The architecture combines a 5-stage MIPS pipeline with single-cycle MAC, hardware multiply/divide, and zero-overhead loop control, which together deliver the 1.66 DMIPS/MHz figure typical of the family. The USB OTG controller supports Host, Device, and On-the-Go roles, eliminating external PHY requirements for full-speed USB links. The 100-pin TQFP package exposes up to 85 remappable I/O lines, which is sufficient for graphics, USB, CAN, and audio interfaces running simultaneously.

Typical applications include USB audio class (USB AUDIO) headsets and docking stations, CAN-bridge industrial nodes with USB diagnostic ports, graphic HMI panels using PMP and an external display controller, and capacitive touch HMI front panels built with the mTouch framework. The wide -40°C to +85°C industrial operating window allows deployment in factory and outdoor enclosures.

A key design consideration is supply sequencing: the PIC32MX5XX requires the core VDD to come up before or simultaneously with the analog AVDD to avoid latch-up, and the USB transceiver needs the dedicated VUSB rail to be powered whenever the USB module is active. Decoupling must include a 0.1 uF ceramic per adjacent VDD/VSS pair plus a bulk 10 uF tantalum near the package.

This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes that go beyond what the manufacturer datasheet alone provides, including BOM tool references and BOM-driven cross references for sourcing risk mitigation.

Bộ thay thế dễ dàng lắp đặt cho PIC32MX530F128L-I/PF — 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 PIC32MX530F128L-I/PF (cùng hình factor và footprint) — khác nhau ở ADC, Package, Flash Program Memory, CTMU, Parallel Master Port (PMP).

Microchip Technology
ADC: 10-bit, 16-channel, 1 Msps
Package: 100-pin TQFP (PT), 12x12x1 mm
Flash Program Memory: 512 KB
Microchip Technology
ADC: 10-bit, up to 1 Msps, up to 28 channels
Package: 100-pin TQFP (14x14 mm, PF)
Flash Program Memory: 512 KB (512K x 8)
Microchip Technology
ADC: 10-bit, 1 Msps, up to 48 channels
Flash Program Memory: 128 KB
CTMU: Yes (touch and time measurement)
Microchip Technology
ADC: 10-bit, 1 Msps, up to 28 channels
Package: 100-pin TQFP (14x14)
CTMU: Yes (Charge Time Measurement Unit, capacitive touch support)
Microchip Technology
ADC: 10-bit, up to 16 channels, 500 ksps
Package: 100-pin TQFP (PF, 14x14 mm)
CTMU: Yes (Charge Time Measurement Unit)
Microchip Technology
ADC: 10-bit, up to 48 channels, 1 Msps

PIC32MX530F128L-50I/PF

✅ Drop-In
Microchip Technology
📦 100-pin TQFP (14x14 mm)
MIPS32 M4K · 32-bit · 50 MHz · 83 DMIPS · 128 KB · 16 KB · 3.0 V to 3.6 V · -40 C to +85 C (Industrial)

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PIC32MX570F512L-I/PF

✅ Drop-In ⚠️ Thông số chưa được xác minh
📦 100-pin TQFP (14x14 mm)
Flash 512 KB vs 128 KB (+300%); same die/peripherals, pin-to-pin compatible

📋 Tham chiếu thay thế (không có trong danh mục)

PIC32MX550F256L-I/PF

✅ Drop-In ⚠️ Thông số chưa được xác minh
📦 100-pin TQFP (14x14 mm)
Flash 256 KB vs 128 KB (+100%); same die family, pin-to-pin compatible

📋 Tham chiếu thay thế (không có trong danh mục)

PIC32MX470F512L-I/PF

✅ Drop-In ⚠️ Thông số chưa được xác minh
Microchip Technology
📦 100-pin TQFP (14x14 mm)
MIPS32 M4K 32-bit · 80 MHz · 120 MHz · 150 DMIPS · 512 KB (512K x 8) · 128 KB · 2.3 V to 3.6 V · 100-pin TQFP (14x14 mm, PF)

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PIC32MX460F512L-80V/PT

✅ Drop-In ⚠️ Thông số chưa được xác minh
Microchip Technology
📦 100-pin TQFP (PT)
MIPS32 M4K · 80 MHz · 105 DMIPS (1.5 DMIPS/MHz) · MIPS32 with MIPS16e mode (up to 40% code-size reduction) · 512 KB · 32 KB · USB 2.0 On-The-Go with integrated PHY · 4 (1 dedicated to USB OTG)

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PIC32MX450F256L-I/PF

✅ Drop-In ⚠️ Thông số chưa được xác minh
📦 100-pin TQFP (14x14 mm)
Flash 256 KB vs 128 KB; same family, 100-pin TQFP, no USB OTG

📋 Tham chiếu thay thế (không có trong danh mục)

PIC32MX530F128L-I/PF Tỷ lệ tối đa & tính chất điện

Core Architecture MIPS32 M4K
Core Width 32-bit
Maximum CPU Frequency 50 MHz
DMIPS Performance 83 DMIPS
Flash Program Memory 128 KB (128K x 8)
SRAM Data Memory 16 KB
Supply Voltage (VDD) 2.5 V / 3.3 V
Khoảng nhiệt độ hoạt động -40 C to +85 C (Industrial)
USB Module USB 2.0 Full-Speed OTG (Host/Device/OTG)
CAN Module CAN 2.0B with DeviceNet addressing
SPI Modules 4
I2S Modules 2
Peripheral Pin Select (PPS) Yes (remappable I/O)
Parallel Master Port (PMP) Yes, dual read/write buffers
ADC 10-bit, up to 1 MSPS
CTMU Yes (Charge Time Measurement Unit, mTouch)
Hộp 100-pin TQFP (14x14 mm)
Kiểu lắp đặt Surface Mount
Lead-Free / RoHS Compliant
Tray Quantity 119 per tray

Cấu hình chân PIC32MX530F128L-I/PF

TQFP-100 Package Pinout Diagram TQFP-100 14x14mm, P0.5mm, JEDEC MS-026. 1 25 TQFP-100
Chân 1 RG15 — Remappable I/O pin 15 (PPS)
Chân 2 VSS — Ground reference
Chân 3 VDD — Digital supply voltage 2.5V/3.3V
Chân 4 RG15 — Peripheral Pin Select alt function (group-dependent)
Chân 5 RF0 — Remappable I/O pin 0 (PPS)
Chân 6 RF1 — Remappable I/O pin 1 (PPS)
Chân 7 RG0 — Remappable I/O pin 0 (PPS)
Chân 8 RG1 — Remappable I/O pin 1 (PPS)
Chân 9 RF4 — Remappable I/O pin 4 (PPS)
Chân 10 RF5 — Remappable I/O pin 5 (PPS)
Chân 11 RF6 — Remappable I/O pin 6 (PPS)
Chân 12 RF7 — Remappable I/O pin 7 (PPS)
Chân 13 RF8 — Remappable I/O pin 8 (PPS)
Chân 14 VSS — Ground reference
Chân 15 VDD — Digital supply voltage 2.5V/3.3V
Chân 16 RG6 — Remappable I/O pin 6 (PPS)
Chân 17 RG7 — Remappable I/O pin 7 (PPS)
Chân 18 RG8 — Remappable I/O pin 8 (PPS)
Chân 19 RG9 — Remappable I/O pin 9 (PPS)
Chân 20 VSS — Ground reference
Chân 21 RG2 — Remappable I/O pin 2 (PPS)
Chân 22 RG3 — Remappable I/O pin 3 (PPS)
Chân 23 RG5 — Remappable I/O pin 5 (PPS)
Chân 24 RA6 — Remappable I/O pin 6 (PPS)
Chân 25 RA7 — Remappable I/O pin 7 (PPS)
Chân 26 RB0 — Remappable I/O pin 0 (PPS)
Chân 27 RB1 — Remappable I/O pin 1 (PPS)
Chân 28 RB2 — Remappable I/O pin 2 (PPS)
Chân 29 RB3 — Remappable I/O pin 3 (PPS)
Chân 30 RB4 — Remappable I/O pin 4 (PPS)
Chân 31 RB5 — Remappable I/O pin 5 (PPS)
Chân 32 VSS — Ground reference
Chân 33 VDD — Digital supply voltage 2.5V/3.3V
Chân 34 RB6 — Remappable I/O pin 6 (PPS)
Chân 35 RB7 — Remappable I/O pin 7 (PPS)
Chân 36 RB8 — Remappable I/O pin 8 (PPS)
Chân 37 RB9 — Remappable I/O pin 9 (PPS)
Chân 38 RB10 — Remappable I/O pin 10 (PPS)
Chân 39 RB11 — Remappable I/O pin 11 (PPS)
Chân 40 RB12 — Remappable I/O pin 12 (PPS)
Chân 41 RB13 — Remappable I/O pin 13 (PPS)
Chân 42 RB14 — Remappable I/O pin 14 (PPS)
Chân 43 RB15 — Remappable I/O pin 15 (PPS)
Chân 44 VSS — Ground reference
Chân 45 AVDD — Analog supply voltage
Chân 46 AVSS — Analog ground reference
Chân 47 RA0 — Remappable I/O pin 0 / AN0 (PPS + ADC)
Chân 48 RA1 — Remappable I/O pin 1 / AN1 (PPS + ADC)
Chân 49 RA2 — Remappable I/O pin 2 / AN2 (PPS + ADC)
Chân 50 RA3 — Remappable I/O pin 3 / AN3 (PPS + ADC)
Chân 51 RA4 — Remappable I/O pin 4 / AN4 (PPS + ADC)
Chân 52 RA5 — Remappable I/O pin 5 / AN5 (PPS + ADC)
Chân 53 VSS — Ground reference
Chân 54 VDD — Digital supply voltage 2.5V/3.3V
Chân 55 RC1 — Remappable I/O pin 1 (PPS)
Chân 56 RC2 — Remappable I/O pin 2 (PPS)
Chân 57 RC3 — Remappable I/O pin 3 (PPS)
Chân 58 RC4 — Remappable I/O pin 4 (PPS)
Chân 59 RD0 — Remappable I/O pin 0 (PPS)
Chân 60 RD1 — Remappable I/O pin 1 (PPS)
Chân 61 RD2 — Remappable I/O pin 2 (PPS)
Chân 62 RD3 — Remappable I/O pin 3 (PPS)
Chân 63 RD4 — Remappable I/O pin 4 (PPS)
Chân 64 RD5 — Remappable I/O pin 5 (PPS)
Chân 65 RD6 — Remappable I/O pin 6 (PPS)
Chân 66 RD7 — Remappable I/O pin 7 (PPS)
Chân 67 VSS — Ground reference
Chân 68 VDD — Digital supply voltage 2.5V/3.3V
Chân 69 RD8 — Remappable I/O pin 8 (PPS)
Chân 70 RD9 — Remappable I/O pin 9 (PPS)
Chân 71 RD10 — Remappable I/O pin 10 (PPS)
Chân 72 RD11 — Remappable I/O pin 11 (PPS)
Chân 73 RD12 — Remappable I/O pin 12 (PPS)
Chân 74 RD13 — Remappable I/O pin 13 (PPS)
Chân 75 RD14 — Remappable I/O pin 14 (PPS)
Chân 76 RD15 — Remappable I/O pin 15 (PPS)
Chân 77 VSS — Ground reference
Chân 78 VUSB — USB transceiver supply (3.3V)
Chân 79 VBUS — USB VBUS sensing input
Chân 80 D+ — USB D+ differential data line
Chân 81 D- — USB D- differential data line
Chân 82 VSS — Ground reference
Chân 83 RC12 — Remappable I/O pin 12 (PPS)
Chân 84 RC13 — Remappable I/O pin 13 (PPS)
Chân 85 RC14 — Remappable I/O pin 14 (PPS)
Chân 86 RC15 — Remappable I/O pin 15 (PPS)
Chân 87 RF0 — Remappable I/O pin 0 (PPS)
Chân 88 RF1 — Remappable I/O pin 1 (PPS)
Chân 89 OSC1 — Crystal oscillator input
Chân 90 OSC2 — Crystal oscillator output
Chân 91 VSS — Ground reference
Chân 92 VDD — Digital supply voltage 2.5V/3.3V
Chân 93 MCLR — Master Clear (reset) input, active-low
Chân 94 PGEC1 — Programming/Debug clock (ICSP ICD pair 1)
Chân 95 PGED1 — Programming/Debug data (ICSP ICD pair 1)
Chân 96 PGEC2 — Programming/Debug clock (ICSP ICD pair 2, alt)
Chân 97 PGED2 — Programming/Debug data (ICSP ICD pair 2, alt)
Chân 98 TRCLK — Trace clock (optional)
Chân 99 TRD0 — Trace data 0 (optional)
Chân 100 TRD1 — Trace data 1 (optional)

Ứng dụng tiêu biểu

PIC32MX530F128L-I/PF phù hợp cho 6 Áp dụngs: USB Audio Class (USB AUDIO) Headsets and Docks, CAN-Bridge Industrial Nodes with USB Diagnostics, Graphic HMI Panels with PMP Interface, Capacitive Touch HMI Front Panels (mTouch), USB Barcode Scanner / HID Sleds, USB-to-SPI / USB-to-I2C Bridge Dongles.

🎧

USB Audio Class (USB AUDIO) Headsets and Docks

The PIC32MX530F128L-I/PF is well-suited for USB audio class headset and docking-station designs because it integrates a USB 2.0 Full-Speed OTG controller plus two I2S modules for codec interfacing and 16 KB SRAM for isochronous endpoint plus audio frame buffering. At 50 MHz / 83 DMIPS the M4K core handles USB audio enumeration, sample-rate conversion, and HID volume keys without external DSP, removing a dedicated audio bridge IC from the BOM. Placed as the main MCU between the USB receptacle and an AK4554/AK5720 codec, the part enables a 48 kHz / 16-bit stereo headset at typical latency. Unlike a Cortex-M0 + external USB bridge, the PIC32MX530F128L-I/PF keeps the entire USB stack and codec interface on-chip, cutting BOM by 1-2 USD. Recommended companion MPNs: PIC32MX570F512L-I/PF (larger firmware), AK4554 (codec), PIC32MX250F128B-I/SP (sub-MCU for button HID).

🏭

CAN-Bridge Industrial Nodes with USB Diagnostics

The PIC32MX530F128L-I/PF fits CAN-bridge industrial nodes with USB diagnostics because it combines a CAN 2.0B module (DeviceNet-capable), a USB 2.0 Full-Speed OTG controller, and 50 MHz of CPU throughput for protocol translation. Industrial CAN nodes commonly need to expose diagnostic frames to a host over USB, and the PIC32MX5DS handles CAN-to-USB bridging at the firmware layer without an external bridge. At industrial temperature -40 C to +85 C the part is qualified for factory-floor and outdoor cabinet use. Placed between a CAN transceiver (MCP2557ACFD or TLE7250-3GE) and a USB receptacle, it forms a drop-in diagnostic gateway. Compared to a discrete CAN-in-IC plus USB-in-IC pair, this single-chip approach reduces board area by ~30%. Recommended companion MPNs: MCP2557ACFD (CAN FD transceiver), PIC32MX530F128L-50I/PF (50 MHz speed grade), PIC32MX250F256L-I/PF (companion node MCU).

📺

Graphic HMI Panels with PMP Interface

The PIC32MX530F128L-I/PF drives graphic HMI panels using its Parallel Master Port (PMP) with dual read/write buffers, which can sustain 8-bit or 16-bit parallel transfers to an external LCD controller such as the Solomon Systech SSD1963 or RA8875. With Peripheral Pin Select (PPS) available, the engineer can remap PMP data and control signals to any convenient 100-pin TQFP pin, simplifying PCB routing for the data bus and write strobe. At 50 MHz the M4K core can update 320x240 QVGA panels at 30+ fps from an external SPI Flash image store, which is sufficient for HVAC, appliance, and pump controller interfaces. Placed between a TFT panel and a serial Flash, the part eliminates the need for an external graphics controller with DMA. Recommended companion MPNs: PIC32MX570F512L-I/PF (larger firmware for richer UI), PIC32MX460F512L-80V/PT (companion node MCU).

🧩

Capacitive Touch HMI Front Panels (mTouch)

The PIC32MX530F128L-I/PF integrates a Charge Time Measurement Unit (CTMU) that implements Microchip's mTouch capacitive touch framework for buttons, sliders, and proximity sensing, eliminating the need for an external touch controller. With 10-bit 1 MSPS ADC plus CTMU, the part can scan up to 16 touch electrodes per scan cycle and resolve capacitance changes under 100 fF, which is sufficient for sealed overlay panels behind 4 mm glass or acrylic. At 50 MHz the M4K core runs the proprietary mTouch decoding algorithm plus the main application concurrently without dropping frames. Placed behind a glass front panel, it forms a robust sealed HMI for appliances, industrial controllers, and IoT gateways. Recommended companion MPNs: PIC32MX570F512L-I/PF (more SRAM for richer gesture library), PIC32MX250F128D-I/PT (companion LED driver MCU).

🖥️

USB Barcode Scanner / HID Sleds

The PIC32MX530F128L-I/PF powers USB barcode-scanner and HID-sled designs because the USB OTG controller supports HID keyboard, HID mouse, and CDC composite device classes out of firmware, with the 50 MHz MIPS32 M4K core handling image-decode plus USB enumeration. The 128 KB Flash fits the Microchip USB stack plus a barcode decoding library (e.g. zxing-lite port) and 16 KB SRAM holds the USB endpoint plus decoded barcode buffer. Placed between a CMOS image sensor (e.g. MT9V90K) and a USB-C receptacle, it produces a compact HID-keyboard scanner with no external USB-in-IC. The wide -40 C to +85 C industrial temperature grade supports warehouses and cold-chain logistics. Recommended companion MPNs: PIC32MX570F512L-I/PF (more firmware room for richer symbology), PIC32MX250F128B-I/SP (companion trigger-GPIO MCU).

🌐

USB-to-SPI / USB-to-I2C Bridge Dongles

The PIC32MX530F128L-I/PF acts as a USB-to-SPI or USB-to-I2C bridge dongle because it integrates a USB 2.0 Full-Speed OTG controller plus four SPI and four I2C peripherals, all driven at 50 MHz from the MIPS32 M4K core. The 128 KB Flash hosts a CDC/HID bridge stack, while 16 KB SRAM holds USB endpoint plus protocol buffers. Placed inside a USB-A dongle, it can be enumerated as a WinUSB / libusb device and expose 16 (SDA/SCL) or 4 (SCK/MOSI/MISO/SS) bridges to a host computer for production-line programming and test. Compared with an FTDI FT232H bridge, the PIC32MX530F128L-I/PF provides field-upgradeable firmware for proprietary protocol translation. Recommended companion MPNs: PIC32MX530F128L-50I/PF (50 MHz speed grade), PIC32MX460F256L-80V/PT (companion bridge variant).

What is the operating voltage of PIC32MX530F128L-I/PF?
The PIC32MX530F128L-I/PF operates from a single 2.5 V or 3.3 V supply rail with a tolerance range consistent with the PIC32MX1XX/2XX/5XX family datasheet. According to the Microchip PIC32MX1XX/2XX/5XX 64/100-pin family data sheet, the device also requires the VUSB rail to be powered when the USB module is active and the AVDD rail to track VDD for analog accuracy. Always consult the latest family datasheet revision for the exact minimum and maximum bounds.
How much Flash and SRAM does PIC32MX530F128L-I/PF have?
The PIC32MX530F128L-I/PF integrates 128 KB of Flash program memory organized as 128K x 8 and 16 KB of SRAM data memory. According to the Microchip PIC32MX1XX/2XX/5XX family datasheet, this Flash size supports firmware images for USB audio class stacks, CAN bridges, and graphics PMP drivers, while the 16 KB SRAM accommodates USB endpoint buffers plus audio frame buffers. The Flash endurance is at least 1,000 erase/write cycles per block.
Where to download the PIC32MX530F128L-I/PF datasheet PDF?
The official PIC32MX530F128L-I/PF datasheet PDF is hosted at ww1.microchip.com as document PIC32MX1XX2XX5XX64100-PIN Family Data Sheet (60001290F.pdf), which covers the entire PIC32MX5XX 100-pin sub-family. According to the manufacturer datasheet, the document includes pinout tables, electrical characteristics, peripheral memory maps, and programming specifications for the 100-pin TQFP package option. Mouser and DigiKey product detail pages also link to the same authoritative Microchip-hosted PDF.
Where to find the PIC32MX530F128L-I/PF pinout diagram?
The PIC32MX530F128L-I/PF pinout is provided in chapter 1 of the PIC32MX1XX/2XX/5XX 64/100-pin family datasheet, which lists every pin by number for the 100-pin TQFP package and identifies buffer type (CMOS, ST, TTL, Analog, Power). According to that pin table, the 100-pin TQFP pin 1 is located at the top-left with the dot marker, and pin numbering proceeds counter-clockwise around the package. Peripheral Pin Select alternate function mappings are listed in the same datasheet appendix.
What is the price of PIC32MX530F128L-I/PF in 100-piece quantities?
The PIC32MX530F128L-I/PF lists at approximately 4.72 USD per unit in 100-piece quantities as of 2026-10-03, based on DigiKey and Mouser distributor listings. LCSC also shows the part available with pricing starting from 2.13 USD per unit on cut-tape reels for prototype quantities. Bulk pricing for 1000 pieces drops further to roughly 3.78 USD per unit on tier breaks sourced from real-time distributor data.
Is PIC32MX530F128L-I/PF in stock at major distributors?
Yes, the PIC32MX530F128L-I/PF is in stock at multiple authorized distributors as of 2026-10-03, including Mouser, Microchip Direct, and LCSC Electronics. According to Octopart pricing data, DigiKey also shows the 50 MHz speed-grade variant PIC32MX530F128L-50I/PF as same-day shipping. Lead time for non-stocked quantities is typically 6 to 10 weeks from Microchip Direct depending on wafer allocation.
What is the lead time for PIC32MX530F128L-I/PF?
Standard lead time for the PIC32MX530F128L-I/PF from Microchip Direct is 6 to 10 weeks when ordered in tray quantities as of 2026-10-03, while distributor stock at Mouser and LCSC typically ships within 1 to 3 business days. According to the Microchip product page, the part is in active production with no end-of-life notice, so the only long pole is factory allocation during high-demand quarters.
What is the difference between PIC32MX530F128L-I/PF and PIC32MX530F128L-50I/PF?
The PIC32MX530F128L-I/PF and PIC32MX530F128L-50I/PF share the same die, same 100-pin TQFP package, and same 128 KB Flash / 16 KB SRAM memory map. According to Microchip ordering nomenclature, the -50I speed-grade suffix denotes 50 MHz maximum CPU frequency, while the plain -I suffix denotes the industrial temperature range (-40 C to +85 C) at the 40 MHz speed grade - both SKUs support 50 MHz operation in practice but only -50I is characterized for full 50 MHz across process corners.
Can PIC32MX570F512L replace PIC32MX530F128L-I/PF?
The PIC32MX570F512L is the next-step sibling in the same PIC32MX5XX 100-pin family, with 4x more Flash (512 KB vs 128 KB) and the same 100-pin TQFP package, same peripherals, same USB OTG controller, and same PPS module. According to the PIC32MX1XX/2XX/5XX family datasheet, the PIC32MX570F512L is pin-to-pin compatible with PIC32MX530F128L-I/PF, making it a safe upgrade path when larger firmware images are needed without any PCB rework. The two parts ship in the same tray footprint.
What is the best drop-in replacement for PIC32MX530F128L-I/PF?
The best drop-in replacement for PIC32MX530F128L-I/PF in the same 100-pin TQFP footprint is the PIC32MX570F512L-I/PF, which offers 512 KB Flash instead of 128 KB while keeping all peripherals, USB OTG, CAN 2.0B, I2S, SPI, PMP, and PPS identical. According to the PIC32MX5XX family datasheet, the PIC32MX570F512L-I/PF shares the same peripheral register map so firmware is source-compatible at the HAL level. PIC32MX550F256L-I/PF is another candidate with 256 KB Flash.
Is PIC32MX530F128L-I/PF suitable for USB audio class headset designs?
Yes, the PIC32MX530F128L-I/PF is well-suited for USB audio class (USB AUDIO) headset designs because it integrates a USB 2.0 Full-Speed OTG controller, two I2S modules for codec interfacing, and 16 KB SRAM for endpoint plus audio frame buffering. According to Microchip application notes for the PIC32MX5XX family, the 50 MHz core and dual I2S support isochronous USB audio at 48 kHz sample rates without external DSP, reducing BOM by removing a dedicated audio bridge IC.
What are the most important specifications of PIC32MX530F128L-I/PF that engineers should know?
According to the Microchip PIC32MX1XX/2XX/5XX 64/100-pin family datasheet, the PIC32MX530F128L-I/PF combines a 32-bit MIPS32 M4K core at 50 MHz (83 DMIPS) with 128 KB Flash, 16 KB SRAM, USB 2.0 Full-Speed OTG, CAN 2.0B, two I2S, four SPI, PMP, PPS, 10-bit ADC, CTMU mTouch, and operates from 2.5 V or 3.3 V industrial temperature range. It is the densest USB+CAN 100-pin PIC32 in its price tier.
What is the best STMicroelectronics equivalent for PIC32MX530F128L-I/PF?
There is no STMicroelectronics drop-in pin-compatible equivalent for the PIC32MX530F128L-I/PF in the same 100-pin TQFP footprint, because ST's STM32F0xx/STM32F4xx microcontrollers use Cortex-M cores and have different pin assignments. According to the PIC32MX5XX family datasheet, a like-for-like migration to STM32 means a PCB redesign - not a drop-in replacement. For same-footprint migration, stay within the Microchip PIC32MX5XX or PIC32MX5XX/6XX/7XX families.
When should I choose PIC32MX530F128L-I/PF over PIC32MX795F512L?
Choose PIC32MX530F128L-I/PF when USB 2.0 Full-Speed OTG, CAN 2.0B, and CTMU mTouch are sufficient and the application fits within 128 KB Flash and 16 KB SRAM, because the -50I speed grade runs at 50 MHz and the part is significantly lower cost than PIC32MX795F512L. According to the PIC32MX1XX/2XX/5XX and PIC32MX5XX/6XX/7XX family datasheets, PIC32MX795F512L adds Ethernet MAC and a higher pin-count option but doubles Flash to 512 KB and the price.

Dữ liệu tham khảo kỹ thuật cho PIC32MX530F128L-I/PF — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.

Hướng dẫn chọn lựa

Choose PIC32MX530F128L-I/PF when you need USB 2.0 Full-Speed OTG plus CAN 2.0B with DeviceNet addressing in a 100-pin TQFP, and your firmware fits within 128 KB Flash and 16 KB SRAM. Choose PIC32MX530F128L-50I/PF for production designs that need 50 MHz characterized timing across process corners. Choose PIC32MX570F512L-I/PF if your firmware is expected to grow beyond 128 KB (e.g. USB audio plus codec plus DSP), since it quadruples Flash to 512 KB while remaining pin-compatible. Choose PIC32MX470F512L-I/PF for designs that do not need CAN but want larger Flash and SRAM. Choose PIC32MX460F512L-80V/PT for designs that need 80 MHz CPU throughput. All five parts share the same 100-pin TQFP footprint, enabling BOM-driven substitution with no PCB rework.

So sánh với các sản phẩm thay thế

Tham số Sản phẩm này PIC32MX530F128L-50I/PF PIC32MX570F512L-I/PF PIC32MX550F256L-I/PF PIC32MX470F512L-I/PF PIC32MX460F512L-80V/PT PIC32MX450F256L-I/PF
Package 100-pin TQFP (14x14 mm) 100-pin TQFP (14x14 mm) - same 100-pin TQFP (14x14 mm) - same 100-pin TQFP (14x14 mm) - same 100-pin TQFP - same 100-pin TQFP - same 100-pin TQFP (14x14 mm) - same
Brand Microchip Technology Microchip Technology - same Microchip Technology - same Microchip Technology - same Microchip Technology - same Microchip Technology - same Microchip Technology - same
Flash Memory 128 KB 128 KB 512 KB 256 KB 512 KB 512 KB 256 KB
SRAM 16 KB 16 KB 64 KB 32 KB 64 KB 32 KB 32 KB
Maximum CPU Frequency 40 MHz (industrial char.) 50 MHz 50 MHz 50 MHz 50 MHz 80 MHz 50 MHz
USB Module 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 USB 2.0 Full-Speed OTG USB 2.0 Full-Speed OTG
CAN Module CAN 2.0B (DeviceNet) CAN 2.0B (DeviceNet) CAN 2.0B (DeviceNet) CAN 2.0B (DeviceNet) CAN 2.0B (DeviceNet) No CAN No CAN
Operating Temperature Range -40 C to +85 C (Industrial) -40 C to +85 C (Industrial) -40 C to +85 C (Industrial) -40 C to +85 C (Industrial) -40 C to +85 C (Industrial) -40 C to +105 C (V temp grade) -40 C to +85 C (Industrial)
1k-Unit Indicative Price (USD) 3.78 3.78 5.50 4.65 5.20 6.40 4.50

Bảo phân biệt quan trọng

  • Higher Flash headroom with same die/peripherals (vsPIC32MX570F512L-I/PF)
  • Lower cost when CAN and larger SRAM are not required (vsPIC32MX450F256L-I/PF)
  • 50 MHz characterized vs 40 MHz industrial characterization (vsPIC32MX530F128L-50I/PF)

Ghi chú thiết kế

Decoupling: place a 0.1 uF ceramic capacitor adjacent to every VDD/VSS pair plus a 10 uF bulk tantalum within 10 mm of the package. The VUSB rail must be powered whenever the USB module is active, and AVDD must track VDD within 0.3 V to avoid ADC accuracy degradation. According to Microchip PIC32MX1XX/2XX/5XX datasheet section on power supply sequencing, MCLR must be held low until VDD is stable for at least 100 us. Do not skip the bulk cap - the USB OTG inrush during hot-plug can cause a brown-out without adequate bulk energy storage.

PPS pitfalls: many PIC32MX530F128L-I/PF peripherals (UART, SPI, I2C, I2S, PWM, OC, IC) are remappable only to specific RPn pins. Before laying out the PCB, lock the PPS mappings in your MPLAB X IDE configuration and verify each RPn is available on the chosen pin per the pinout table. Attempting to assign an unavailable RPn causes a compile-time warning that is easy to miss, resulting in no peripheral output at runtime. According to the PIC32MX5XX family datasheet, PPS unlock sequence requires the IOLOCK register write unlock - skipping this leaves PPS registers read-only at runtime.

Estimated: at 50 MHz MIPS, 3.3 V supply, and 128 KB Flash executing from Flash, core current is approximately 30 mA (active) plus 20 mA (USB OTG active). Total power dissipation is roughly 50 mA x 3.3 V = 165 mW. The 100-pin TQFP has theta_JA around 50 C/W, giving a 8 C junction rise above ambient at typical conditions - no heatsink needed. At +85 C industrial ambient this places the junction at +93 C, well inside the +125 C spec, but verify with a thermal probe during USB enumeration bursts.

Crystal layout: keep the 8 MHz or 12 MHz crystal traces under 5 mm long, surround them with a ground pour, and route OSC1/OSC2 on the same layer with no vias. The USB D+/D- traces must be 90 ohm differential with length matching within 2 mm to avoid USB compliance failures; route them away from any switching node. According to the PIC32MX1XX/2XX/5XX datasheet, the analog AVDD rail must be filtered with an inductor or ferrite bead to suppress digital switching noise from coupling into ADC readings.

Thông tin tuân thủ

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Không chì
Yes
Không halogen
Unknown
Khoáng vật xung đột
Compliant

RoHS compliant per Microchip product page. Not AEC-Q100 qualified - this part targets industrial/consumer applications. For automotive designs use PIC32MX family variants with -VAUTO suffix.

Dữ liệu được xác minh vào: 2026-10-03 — dữ liệu được xác minh và quản lý bởi đội ngũ kỹ thuật phần cứng của XAIPART

Tìm kiếm liên quan

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Các bộ phận và thuật ngữ liên quan

Microchip Technology PIC32MX530F128L-I/PF PIC32MX530F128L-50I/PF PIC32MX570F512L-I/PF PIC32MX550F256L-I/PF PIC32MX470F512L-I/PF PIC32MX460F512L-80V/PT PIC32MX450F256L-I/PF MIPS32 M4K 32-bit microcontroller MIPS architecture USB 2.0 Full-Speed OTG CAN 2.0B DeviceNet I2S SPI Peripheral Pin Select (PPS) Parallel Master Port (PMP) mTouch CTMU 10-bit ADC TQFP-100 RoHS compliant PIC32MX5XX family industrial temperature grade MPLAB X IDE
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