PIC32MX154F128BT-I/SO
PIC32MX154F128BT-I/SO - 32-bit MCU, 128KB Flash, 72MHz XLP | Microchip
The Microchip PIC32MX154F128BT-I/SO is a 32-bit MIPS M4K microcontroller with 128KB of Flash program memory and 32KB of SRAM, packaged in a 28-pin SOIC (0.295 inch, 7.50mm body width) and rated for industrial temperature operation. It belongs to the PIC32MX15x XLP family, delivering up to 72 MHz of CPU core frequency while targeting lower active, sleep, and deep-sleep currents than earlier PIC32MX1xx/2xx devices.
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), volatile working memory (SRAM), and a rich set of peripheral blocks such as timers, communication controllers, and analog comparators. Within the broader power-management and embedded hierarchy, the PIC32MX154F128BT-I/SO sits inside the 32-bit MCU category, alongside Cortex-M3/M4 parts from other vendors, and above 8-bit/16-bit MCUs such as PIC16 and PIC24 in both computational throughput and addressable memory. Its 28-pin footprint positions it between entry-level 16-bit PIC24 devices and high-pin-count PIC32MX parts.
Key features of the PIC32MX154F128BT-I/SO include three on-chip analog comparators, a Charge Time Measurement Unit (CTMU) for capacitive touch and precise time measurement, a Real-Time Clock and Calendar (RTCC), and dual I2C, SPI, and UART interfaces. The 'T' suffix denotes tape-and-reel packaging, and the 'I' industrial temperature grade supports the -40C to +85C range required by industrial and many commercial products. The XLP branding refers to Microchip's eXtreme Low Power technology, which lowers run, idle, and deep-sleep currents compared to earlier PIC32MX generations.
Architecturally, the part uses a MIPS32 M4K Harvard-style core with separate instruction and data paths, prefetch cache to accelerate Flash execution, and a wide peripheral bus that exposes the 28 pins as GPIO, comparators, and serial interfaces. The 72 MHz core, combined with hardware multiply/divide and single-cycle 32-bit ALU operations, delivers roughly 1.52 DMIPS/MHz and supports both C and MIPS assembly development under MPLAB X IDE and the XC32 compiler toolchain. Code security is provided via the standard PIC32 Flash boot and configuration word scheme.
Typical applications for the PIC32MX154F128BT-I/SO include low-power IoT sensor nodes with RTCC-driven sleep scheduling, capacitive-touch human-machine interfaces that exploit the CTMU, USB-free industrial control front-ends, and general-purpose 32-bit upgrade paths for designs previously built on PIC24 or PIC16 parts. Designers favor this part when they need 32-bit headroom, low quiescent current, and a familiar Microchip MPLAB ecosystem.
When designing with the PIC32MX154F128BT-I/SO, observe the standard PIC32MX supply and decoupling guidance: place a 10uF bulk plus 0.1uF ceramic close to VDD/AVDD pairs, reserve the MCLR pin for a proper reset network, and use the configuration bits to select the oscillator source that best matches the application's power budget. Compared with a switching supply plus MCU architecture, the PIC32MX XLP sleep currents allow many battery-operated designs to skip a discrete PMIC entirely.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes - including same-package Microchip cross-references and key parametric trade-offs - that are not consolidated on a single manufacturer or distributor datasheet page.
Cotización
Contacto