PIC24FJ64GU205-I/M4
PIC24FJ64GU205-I/M4 - 16-bit USB MCU, 64KB Flash, 48-UQFN | Microchip
The Microchip Technology PIC24FJ64GU205-I/M4 is a 16-bit microcontroller from the PIC24F family, integrating 64 KB of ECC Flash and 8 KB of RAM, and operating at up to 32 MHz (16 MIPS) in a 48-pin UQFN (6x6) package. It is part of the PIC24FJ GU2 family, which adds a full-speed USB 2.0 device controller with on-chip transceiver to the eXtreme Low-Power (XLP) platform, enabling connected embedded designs without an external PHY.
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory (Flash/RAM), peripherals, and I/O. The PIC24F family uses a 16-bit modified Harvard architecture with single-cycle instruction execution, providing higher code density and throughput than typical 8-bit MCUs while retaining low power consumption. Within Microchip's portfolio, the PIC24FJ GU2 sub-family is positioned for low-pin-count USB applications such as human-interface devices, portable instrumentation, and consumer peripherals.
Key features include eXtreme Low-Power (XLP) technology with multiple power-saving modes (Sleep, Deep Sleep, Retention), a 16-channel 10-bit ADC, multiple communication peripherals (UART, SPI, I2C), and four 16-bit timers. The integrated USB 2.0 Full-Speed device with on-chip transceiver eliminates external PHY components, reducing BOM cost and PCB area. The device operates from 2.0V to 3.6V across an industrial -40C to +85C temperature range, with 38 available I/O pins for user applications.
Architecturally, the PIC24FJ64GU205 uses Microchip's nanoWatt XLP design methodology, achieving currents under 1 uA in Deep Sleep while retaining RAM. The 16-bit datapath, 24-bit instruction word, and hardware multiply/divide make it well-suited to DSP-like filtering on sensor data without offloading to a DSP.
Typical applications include USB HID peripherals (keyboards, mice, custom input devices), portable medical accessories, low-power wireless sensor nodes, USB-to-UART bridges, and consumer electronics with USB charging monitoring. The combination of USB, low power, and small footprint makes it attractive for wearable and battery-powered products.
Design considerations include careful USB PCB layout (90-ohm differential impedance on D+/D-, common-mode choke, ESD protection), decoupling capacitor placement, and use of the on-chip 8 MHz internal oscillator with PLL to minimize external components. Migration between package options (UQFN-48, TQFP-48, QFN-48) within the family is supported through pin-compatible variants.
This page synthesizes authorized distributor pricing, drop-in compatible alternatives within the PIC24FJ family, and practical USB layout guidance not always covered in the datasheet.
Cotización
Contacto