PIC24FJ64GU205-I/PT - 16-bit 32MHz 64KB Flash USB MCU | Microchip
MPN: PIC24FJ64GU205-I/PT ✓ Hoạt độngPIC24FJ64GU205-I/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory (Flash), working memory (RAM), and a rich set of peripherals (ADC, timers, communication interfaces, I/O). The PIC24FJ family sits in the 16-bit MCU hierarchy between 8-bit PIC16/PIC18 devices and 32-bit PIC32 devices, offering higher performance than 8-bit cores while keeping deterministic interrupt latency and a simple C-friendly instruction set. eXtreme Low-Power (XLP) technology is Microchip's branding for nanoWatt-class sleep modes that allow battery-powered products to extend operating life.
Key features of the PIC24FJ64GU205 include integrated USB 2.0 full-speed transceiver and PHY (eliminating an external USB PHY), 64 KB Flash with Error-Correcting Code for improved reliability, 8 KB SRAM, multiple low-power sleep modes down to nanoWatt levels, multiple 16-bit timers, and a 10/12-bit ADC. The 48-pin TQFP package provides more I/O than smaller QFN/SSOP variants of the same family while remaining compatible with hand-soldered prototype boards.
Architecturally, the PIC24FJ64GU205 uses the Microchip 16-bit modified Harvard core with a 24-bit instruction word and 16-bit data path, allowing single-cycle 16x16 MAC operations. The on-chip regulator supports 2.0–3.6 V single-supply operation, simplifying battery designs.
Typical applications include USB HID devices, USB data loggers, portable medical monitors, consumer electronics with USB charging/communication, and low-power sensor nodes. The combination of integrated USB and XLP makes it particularly attractive for self-powered USB peripherals.
When designing with this MCU, ensure the USB D+/D− traces are routed as a 90 Ω differential pair, the VUSB pin has the correct decoupling, and the integrated 3.3 V regulator output is bypassed per the manufacturer's guidelines.
This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ64GU205-I/PT — 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 PIC24FJ64GU205-I/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, Timers, ADC, Operating Temperature, Program Memory (Flash).
PIC24FJ64GP205-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GU205-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GU405-I/PT
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Xem tài liệu →PIC24FJ256GU405-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GU205-I/M4
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Xem tài liệu →PIC24FJ64GU205-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 16-bit modified Harvard |
| Family | PIC24FJ XLP |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB (22K x 24 instructions) |
| RAM | 8 KB |
| Flash ECC | Yes |
| USB Interface | USB 2.0 Full-Speed (12 Mbps), integrated PHY |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40 °C to +85 °C (industrial) |
| Hộp | 48-pin TQFP (7x7 mm) |
| Kiểu lắp đặt | Surface Mount |
| Low-Power Mode | nanoWatt XLP (per Microchip XLP family spec) |
| Trạng thái RoHS | Compliant (per Microchip product page) |
Cấu hình chân PIC24FJ64GU205-I/PT
| Chân 1 | RA0 — General-purpose I/O / analog input |
| Chân 2 | RA1 — General-purpose I/O / analog input |
| Chân 3 | RA2 — General-purpose I/O / analog input |
| Chân 4 | RA3 — General-purpose I/O / analog input |
| Chân 5 | RA4 — General-purpose I/O |
| Chân 6 | RA5 — General-purpose I/O |
| Chân 7 | RA6 — General-purpose I/O |
| Chân 8 | RA7 — General-purpose I/O |
| Chân 9 | VSS — Ground |
| Chân 10 | VDD — Positive supply (2.0–3.6 V) |
| Chân 11 | RB0 — General-purpose I/O / programming |
| Chân 12 | RB1 — General-purpose I/O / programming |
| Chân 13 | RB2 — General-purpose I/O |
| Chân 14 | RB3 — General-purpose I/O |
| Chân 15 | RB4 — General-purpose I/O |
| Chân 16 | RB5 — General-purpose I/O |
| Chân 17 | RB6 — General-purpose I/O / ICSCLK |
| Chân 18 | RB7 — General-purpose I/O / ICSDAT |
| Chân 19 | VSS — Ground |
| Chân 20 | VDD — Positive supply (2.0–3.6 V) |
| Chân 21 | RC0 — General-purpose I/O |
| Chân 22 | RC1 — General-purpose I/O |
| Chân 23 | RC2 — General-purpose I/O |
| Chân 24 | RC3 — General-purpose I/O |
| Chân 25 | RC4 — General-purpose I/O |
| Chân 26 | RC5 — General-purpose I/O |
| Chân 27 | RC6 — General-purpose I/O |
| Chân 28 | RC7 — General-purpose I/O |
| Chân 29 | VUSB — USB 3.3 V regulator output |
| Chân 30 | VBUS — USB VBUS sense input |
| Chân 31 | D+ — USB D+ data line |
| Chân 32 | D- — USB D- data line |
| Chân 33 | VSS — Ground |
| Chân 34 | RD0 — General-purpose I/O |
| Chân 35 | RD1 — General-purpose I/O |
| Chân 36 | RD2 — General-purpose I/O |
| Chân 37 | RD3 — General-purpose I/O |
| Chân 38 | RD4 — General-purpose I/O |
| Chân 39 | RD5 — General-purpose I/O |
| Chân 40 | RD6 — General-purpose I/O |
| Chân 41 | RD7 — General-purpose I/O |
| Chân 42 | RE0 — General-purpose I/O |
| Chân 43 | RE1 — General-purpose I/O |
| Chân 44 | RF0 — General-purpose I/O / analog reference |
| Chân 45 | RF1 — General-purpose I/O |
| Chân 46 | AVSS — Analog ground |
| Chân 47 | AVDD — Analog positive supply |
| Chân 48 | MCLR — Master clear reset (active-low) |
Ứng dụng tiêu biểu
PIC24FJ64GU205-I/PT phù hợp cho 6 Áp dụngs: USB HID Peripherals, Portable USB Data Loggers, Portable Medical Monitors, Consumer USB Charging Devices, Industrial Sensor Nodes with USB Diagnostics, USB Educational / Development Platforms.
USB HID Peripherals
The PIC24FJ64GU205-I/PT is purpose-built for USB Human Interface Devices (HID) such as keyboards, mice, game controllers, and custom input devices. Its integrated USB 2.0 Full-Speed PHY eliminates the need for an external USB transceiver, reducing BOM cost and PCB area. With 64 KB of Flash, the part can host Microchip's free USB HID bootloader plus a full HID report descriptor and application logic. The 32 MHz core provides sufficient headroom for HID polling at 1 ms intervals while still handling button debouncing, LED driving, and I/O scanning. The industrial temperature grade ensures operation in office, automotive cabin, and factory environments.
Được đề xuất
Portable USB Data Loggers
Portable USB data loggers benefit from the PIC24FJ64GU205-I/PT's combination of integrated USB, large 64 KB Flash for log buffering, and nanoWatt XLP sleep modes that allow multi-year battery life. The 8 KB SRAM supports temporary sample buffers before flushing to Flash, while the integrated USB enables instant data download when the user plugs the device in. The 32 MHz CPU can timestamp events with microsecond resolution using the on-chip 16-bit timer. Industrial temperature grade supports outdoor or in-vehicle data acquisition. The 48-pin TQFP package provides ample I/O for analog sensor inputs, SD card interfaces, or external RTC chips.
Được đề xuất
Portable Medical Monitors
Portable medical monitors such as pulse oximeters, glucose meters, and blood pressure cuffs require USB connectivity for charging and data sync, plus extreme low-power operation for battery life. The PIC24FJ64GU205-I/PT delivers both via integrated USB and XLP nanoWatt sleep modes that drop current consumption to under 1 µA in deep sleep. The 16-bit architecture simplifies fixed-point DSP for sensor signal conditioning, while 64 KB Flash holds both the USB stack and application firmware. The industrial temperature range supports typical medical-device operating conditions. The 48-pin TQFP allows routing to multiple sensor analog channels and a small OLED or LCD display.
Được đề xuất
Consumer USB Charging Devices
USB-connected consumer devices such as smart wearables, fitness trackers, and Bluetooth speakers can use the PIC24FJ64GU205-I/PT as the main controller with USB charging and communication. The integrated USB Full-Speed interface handles both battery charging (via USB BC 1.2 signaling) and data exchange with host PCs or phones. The XLP low-power modes extend standby time to weeks or months between charges. With 64 KB Flash and 8 KB RAM, the part can run a real-time operating system or a simple state-machine firmware with USB stack, sensor hub, and BLE command processor. The 7x7 mm TQFP package fits compact wearable form factors.
Được đề xuất
Industrial Sensor Nodes with USB Diagnostics
Industrial sensor nodes such as environmental monitors, predictive-maintenance vibration sensors, and process-control transducers benefit from the PIC24FJ64GU205-I/PT's USB diagnostics port for field configuration and firmware updates. The integrated USB allows technicians to plug a laptop directly into the sensor for parameter tuning, log retrieval, or firmware reflashing without specialized programmers. The 16-bit core runs PID loops and FFT analysis on vibration data, while 64 KB Flash holds the firmware plus a USB bootloader. Industrial temperature grade and nanoWatt XLP modes suit 4–20 mA loop-powered or battery-powered field deployments.
Được đề xuất
USB Educational / Development Platforms
The PIC24FJ64GU205-I/PT serves as an excellent teaching and prototyping platform for embedded-systems courses, hobbyist projects, and Maker applications. The PIC24FJ Curiosity Nano development board (EV10K72A) uses this exact MCU, providing built-in programmer/debugger, USB virtual COM port, and breadboard-friendly headers at low cost. Students learn USB stack integration, interrupt-driven programming, and low-power design on a real industrial MCU rather than a toy processor. The 48-pin TQFP package offers enough I/O for typical course labs (LEDs, buttons, sensors, UART, SPI, I2C). The free MPLAB X IDE and XC16 compiler remove licensing barriers for classroom use.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ64GU205-I/PT — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC24FJ64GP205-I/PT | PIC24FJ64GU205-E/PT | PIC24FJ128GU405-I/PT | PIC24FJ256GU405-I/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-pin TQFP (7x7) | 48-pin TQFP (7x7) - same | 48-pin TQFP (7x7) - same | 48-pin TQFP (7x7) - same | 48-pin TQFP (7x7) - same |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Flash | 64 KB | 64 KB | 64 KB | 128 KB | 256 KB |
| RAM | 8 KB | 8 KB | 8 KB | 16 KB | 32 KB |
| Integrated USB | Yes (USB 2.0 FS) | No | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) | Yes (USB 2.0 FS) |
| Operating Temperature | -40 °C to +85 °C | -40 °C to +85 °C | -40 °C to +125 °C | -40 °C to +85 °C | -40 °C to +85 °C |
| Low-Power Technology | XLP nanoWatt | XLP nanoWatt | XLP nanoWatt | XLP nanoWatt | XLP nanoWatt |
Bảo phân biệt quan trọng
- Integrated USB 2.0 Full-Speed PHY eliminates external transceiver cost (vsPIC24FJ64GP205-I/PT)
- Same-die extended-temperature variant available for industrial/automotive (vsPIC24FJ64GU205-E/PT)
- Lower pin count and smaller package vs. PIC24FJ128/256 family (vsPIC24FJ256GU405-I/PT)
Ghi chú thiết kế
USB D+ and D- must be routed as a 90 Ω differential pair with matched length (±150 mil) and continuous reference ground plane beneath. Place the VUSB decoupling capacitor (typically 220 nF) as close to the VUSB pin as possible, with a wide trace to VDD. Keep digital signal traces away from the USB pair to minimize crosstalk. The D+/D- traces should not cross any split in the ground plane.
The PIC24FJ64GU205 integrates a 3.3 V LDO regulator that powers the USB transceiver from the internal VUSB pin. According to the Microchip datasheet, VUSB must be connected to VDD via a capacitor, and VBUS sensing is required for self-powered designs to detect USB attach/detach events. For bus-powered designs, connect VBUS to the USB 5 V through a regulator or voltage divider to the 3.3 V-tolerant sense pin.
Place the 48-pin TQFP decoupling network (one 100 nF per VDD pin pair, plus a single 10 µF bulk) within 5 mm of the MCU. The AVDD/AVSS analog supply pins should be filtered with a ferrite bead or 10 Ω resistor and a 10 µF + 100 nF capacitor pair to isolate analog noise from the digital core. Use a star-ground topology for analog and digital ground returns converging at the MCU's VSS pin.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified for automotive - use automotive-graded PIC24FJ variants if required. Lead-free (Pb-free) reflow profile per JEDEC J-STD-020.
