PIC32MX150F256L-50I/PF
PIC32MX150F256L-50I/PF - 50MHz 32-bit MCU, 256KB Flash, TQFP-100
The Microchip Technology PIC32MX150F256L-50I/PF is a 32-bit MIPS M4K microcontroller IC operating at up to 50 MHz with 256 KB Flash and 32 KB SRAM, packaged in a 100-pin TQFP (14x14 mm). It is part of the PIC32MX1XX/2XX/5XX 64/100-pin family and integrates two I2S and four SPI modules, a Parallel Master Port (PMP) with dual read/write buffers, Peripheral Pin Select (PPS) for flexible remapping, and mTouch capacitive touch support.
What is a 32-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, Flash program memory, SRAM data memory, and a rich set of peripherals such as timers, ADC, communication interfaces, and I/O. The "32-bit" designation refers to the width of the data path and registers, enabling higher throughput, larger address space, and richer data processing than 8-bit or 16-bit MCUs. The PIC32MX1XX/2XX/5XX family sits within Microchip's broader PIC32 portfolio, optimized for cost-sensitive 32-bit applications including human-machine interfaces (HMI), audio playback, and connectivity.
Key features include 50 MHz / 83 DMIPS core performance, USB 2.0 Full-Speed device/host/OTG, 10-bit 1 Msps ADC with up to 28 channels, up to four UART modules, two I2C modules, an 8-bit Parallel Master Port, and an on-chip 80 MHz RTCC. The integrated CTMU (Charge Time Measurement Unit) supports capacitive touch sensing, eliminating the need for an external touch controller.
Architecturally, the PIC32MX150F256L-50I/PF leverages the MIPS M4K core with a 5-stage pipeline, single-cycle multiply, and hardware multiply/divide. The wide memory bus and dual read/write PMP buffers accelerate graphics and external memory transactions, while PPS allows designers to remap digital peripherals onto most I/O pins, simplifying PCB routing on dense 100-pin layouts.
Typical applications include industrial control panels, USB audio peripherals, low-cost HMI with TFT displays, consumer electronics, capacitive touch keypads, motor control, and embedded data logging with USB mass storage. The 2.3 V to 3.6 V Vcc range and -40 C to +85 C industrial temperature grade support rugged environments.
When designing with this MCU, allocate decoupling capacitance close to every Vdd/Vss pair and use the PMP in master mode with the dual buffers to sustain LCD refresh rates. PPS mapping must be locked via config bits to prevent accidental re-mapping at runtime.
This page consolidates distributor pricing, pin-compatible alternatives, and design notes not found in the manufacturer datasheet alone, helping engineers shorten their evaluation cycle.
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