PIC24FJ256GB206-I/PT - 16-Bit 32MHz 256KB Flash USB MCU | Microchip
MPN: PIC24FJ256GB206-I/PT ✓ Hoạt độngPIC24FJ256GB206-I/PT Tóm tắt
A PIC24F microcontroller is a 16-bit reduced-instruction-set computing (RISC) MCU in the broader hierarchy microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC24F family specifically targets low-power, USB-capable, and human-interface designs where cost-effective 16-bit performance is required. PIC24F parts sit between PIC16F/PIC18F 8-bit microcontrollers and dsPIC33 16-bit digital signal controllers, offering a balance of code density, peripherals, and power efficiency.
Key features of the PIC24FJ256GB206 include 256KB (85.5K x 24) of self-programmable Flash with ECC, 96KB SRAM, USB 2.0 OTG (host or device), up to 16 MIPS performance at 32 MHz, a 10-bit 500 ksps A/D converter with up to 16 channels, four UART modules, three SPI, three I2C, five 16-bit timers, two comparators, and a Parallel Master Port (PMP) for graphics or external memory. The integrated 32 kHz low-power secondary oscillator supports real-time clock operation in deep sleep.
The architecture uses a 16-bit modified Harvard core with a 24-bit instruction word, separate program and data buses, a 16-element register file, and a hardware multiply/divide unit. The integrated USB PHY and full OTG stack (with charge pump support) remove the need for an external transceiver, while CTMU (Charge Time Measurement Unit) enables touch and capacitive sensing. The peripheral pin-select (PPS) remapper simplifies PCB routing by allowing many digital functions to be assigned to a wide range of I/O pins.
Typical applications include USB peripherals such as mass storage, HID, CDC virtual COM ports and audio class devices, embedded human-machine interface (HMI) panels with graphics or segment displays, handheld instrumentation, point-of-sale terminals, medical data loggers, and industrial sensor nodes with USB diagnostics ports. The 96KB RAM is large enough to buffer USB isochronous traffic and hold graphic frame buffers for low-resolution TFTs.
When designing with this part, use the on-chip 3.3V LDO regulator with a 4.7uF output capacitor and add ESD protection on VBUS for host-mode robustness. For USB device firmware, the Microchip MLA or Harmony framework provides ready-validated class drivers. Verify the VUSB 3.3V rail remains stable under full OTG transient load.
This page synthesizes distributor pricing, drop-in 64-TQFP alternatives, and practical PCB/USB design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ256GB206-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 PIC24FJ256GB206-I/PT (cùng hình factor và footprint) — khác nhau ở Package, ADC, MSL Level, USB Interface, Core Architecture.
PIC24FJ256GB206T-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ256GB210-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GB110-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GB108-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256DA206-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GB106-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ256GB206-I/PT Tỷ lệ tối đa & tính chất điện
| Series | PIC24F |
| Core | PIC 16-bit RISC |
| Core Size | 16-bit, 24-bit instruction |
| Program Memory | 256 KB (85.5K x 24) Flash |
| RAM | 96 KB |
| Max CPU Frequency | 32 MHz (16 MIPS) |
| Điện áp cung cấp | 2.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| USB Interface | USB 2.0 FS On-The-Go (Host or Device) |
| A/D Converter | 10-bit, up to 16 channels, 500 ksps |
| UART | 4 |
| SPI | 3 |
| I2C | 3 |
| Timers | 5 x 16-bit |
| Comparators | 2 |
| Hộp | TQFP-64 (PT), 10x10 mm |
| I/O Pins | 52 |
| PMP | Yes (Parallel Master Port) |
| CTMU | Yes |
| PPS | Peripheral Pin Select |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ256GB206-I/PT
| Chân 1 | RG15 — I/O port pin |
| Chân 2 | RG14 — I/O port pin |
| Chân 3 | RG13 — I/O port pin |
| Chân 4 | RG12 — I/O port pin |
| Chân 5 | RG11 — I/O port pin |
| Chân 6 | RG10 — I/O port pin |
| Chân 7 | RG9 — I/O port pin |
| Chân 8 | RG8 — I/O port pin |
| Chân 9 | RG7 — I/O port pin |
| Chân 10 | RG6 — I/O port pin |
| Chân 11 | RC1 — I/O port pin |
| Chân 12 | RC2 — I/O port pin |
| Chân 13 | RC3 — I/O port pin |
| Chân 14 | RC4 — I/O port pin |
| Chân 15 | VDD — Supply voltage (2.0V-3.6V) |
| Chân 16 | VSS — Ground reference |
| Chân 17 | RA0 — I/O port pin / AN0 |
| Chân 18 | RA1 — I/O port pin / AN1 |
| Chân 19 | RA2 — I/O port pin / AN2 |
| Chân 20 | RA3 — I/O port pin / AN3 |
| Chân 21 | RA4 — I/O port pin / AN4 |
| Chân 22 | RA5 — I/O port pin / AN5 |
| Chân 23 | RA6 — I/O port pin / AN6 |
| Chân 24 | RA7 — I/O port pin / AN7 |
| Chân 25 | AVDD — Analog supply voltage |
| Chân 26 | AVSS — Analog ground reference |
| Chân 27 | RB0 — I/O port pin / AN8 |
| Chân 28 | RB1 — I/O port pin / AN9 |
| Chân 29 | RB2 — I/O port pin / AN10 |
| Chân 30 | RB3 — I/O port pin / AN11 |
| Chân 31 | RB4 — I/O port pin / AN12 |
| Chân 32 | RB5 — I/O port pin / AN13 |
| Chân 33 | RB6 — I/O port pin / AN14 |
| Chân 34 | RB7 — I/O port pin / AN15 |
| Chân 35 | RC12 — I/O port pin |
| Chân 36 | RC13 — I/O port pin |
| Chân 37 | RC14 — I/O port pin |
| Chân 38 | RC15 — I/O port pin |
| Chân 39 | OSC1 — Crystal oscillator input |
| Chân 40 | OSC2 — Crystal oscillator output |
| Chân 41 | SOSCO — Secondary oscillator output (32 kHz) |
| Chân 42 | SOSCI — Secondary oscillator input (32 kHz) |
| Chân 43 | VDD — Supply voltage |
| Chân 44 | VSS — Ground reference |
| Chân 45 | RD0 — I/O port pin |
| Chân 46 | RD1 — I/O port pin |
| Chân 47 | RD2 — I/O port pin |
| Chân 48 | RD3 — I/O port pin |
| Chân 49 | RD4 — I/O port pin |
| Chân 50 | RD5 — I/O port pin |
| Chân 51 | RD6 — I/O port pin |
| Chân 52 | RD7 — I/O port pin |
| Chân 53 | RD8 — I/O port pin |
| Chân 54 | RD9 — I/O port pin |
| Chân 55 | RD10 — I/O port pin |
| Chân 56 | RD11 — I/O port pin |
| Chân 57 | RD12 — I/O port pin |
| Chân 58 | RD13 — I/O port pin |
| Chân 59 | RD14 — I/O port pin |
| Chân 60 | RD15 — I/O port pin |
| Chân 61 | RF4 — I/O port pin |
| Chân 62 | RF5 — I/O port pin |
| Chân 63 | VBUS — USB VBUS detect input |
| Chân 64 | VUSB — USB 3.3V LDO output |
Ứng dụng tiêu biểu
PIC24FJ256GB206-I/PT phù hợp cho 7 Áp dụngs: USB Human Interface Device (HID) Peripherals, USB Mass Storage and CDC Devices, Embedded HMI and Graphic Display Panels, Portable Data Acquisition and Instrumentation, Industrial Sensor Nodes with USB Diagnostics, Medical and Wellness Connected Devices, Audio USB Streaming Devices.
USB Human Interface Device (HID) Peripherals
The PIC24FJ256GB206-I/PT is purpose-built for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. Its integrated USB 2.0 full-speed On-The-Go transceiver eliminates the need for an external PHY, and the 32 MHz/16 MIPS core easily handles HID report processing at the 1 ms polling rate. The 96KB RAM allows ample HID report buffering, while 256KB Flash stores USB stacks and application code comfortably. Designers should pair this MCU with the Microchip MLA or Harmony HID class driver and add ESD protection on VBUS/D+/D- for production reliability. The 2.0V-3.6V operating range allows direct bus-powered designs.
Được đề xuất
USB Mass Storage and CDC Devices
USB mass storage and CDC virtual COM port designs benefit from the PIC24FJ256GB206-I/PT's 96KB RAM for sector buffering and integrated USB OTG controller. The MCU can directly drive an SD card or external SPI Flash for mass storage while presenting a USB MSC interface to the host, with the 16 MIPS core providing headroom for file system overhead (FAT12/16/32). For CDC applications, the 4 UARTs and 32 MHz core enable reliable virtual COM port bridging to RS-232/RS-485 devices. The industrial -40C to +85C range supports factory and field deployments.
Được đề xuất
Embedded HMI and Graphic Display Panels
The PIC24FJ256GB206-I/PT drives small TFT or segment LCD HMI panels through its Parallel Master Port (PMP) and peripheral pin select (PPS). With 96KB RAM it can hold single-frame graphics buffers for low-resolution displays, while the 32 MHz core updates content smoothly. Designers commonly use this part with the Microchip Graphics library to render menus, gauges, and status icons. CTMU enables capacitive touch buttons without an external touch controller, reducing BOM cost. The 64-pin TQFP exposes enough I/O for display, keypad, and communication buses.
Được đề xuất
Portable Data Acquisition and Instrumentation
Battery-powered data loggers and handheld instruments leverage the PIC24FJ256GB206-I/PT's 10-bit 500 ksps ADC (up to 16 channels), 96KB RAM for sample buffering, and USB device mode for charging/data offload. The on-chip 32 kHz secondary oscillator drives RTC operation in deep sleep, allowing multi-week battery life for periodic sampling applications. Industrial temperature rating supports outdoor and factory environments. The USB OTG port also serves as a charging input when paired with the on-chip LDO.
Được đề xuất
Industrial Sensor Nodes with USB Diagnostics
Factory automation nodes use the PIC24FJ256GB206-I/PT to aggregate sensor data over UART/SPI/I2C and present a USB CDC diagnostics port to engineers. With 3 SPI, 3 I2C, and 4 UART interfaces, the MCU can bridge multiple sensor buses simultaneously while keeping a USB maintenance channel open. The industrial -40C to +85C rating tolerates cabinet environments, and the 256KB Flash supports Modbus, MQTT, or proprietary protocols. The CTMU enables capacitive front-panel buttons without extra ICs.
Được đề xuất
Medical and Wellness Connected Devices
Connected medical devices such as glucose meters, pulse oximeters, and patient wearables use the PIC24FJ256GB206-I/PT for its low-power deep-sleep modes, USB device charging, and 96KB RAM for waveform buffering. The 32 kHz RTC oscillator enables accurate timestamping of medical events while keeping current draw in the microamp range. The 16 MIPS core performs basic signal conditioning algorithms in firmware, while USB device mode allows direct data transfer to a host PC for review. Industrial temperature range covers typical clinical and home environments.
Được đề xuất
Audio USB Streaming Devices
USB audio class devices such as USB microphones, headsets, and audio adapters benefit from the PIC24FJ256GB206-I/PT's 96KB RAM and integrated USB OTG. The MCU can run a USB Audio Class 1.0 device stack while handling basic audio processing at 16 MIPS. Although not a DSP, the part handles mono 16-bit audio at standard sample rates comfortably. PPS simplifies routing of I2S or PCM interfaces to digital audio codecs, and the 2.0V-3.6V range aligns with codec supply rails.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ256GB206-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 | PIC24FJ256GB206T-I/PT | PIC24FJ256GB210-I/PT | PIC24FJ256GB110-I/PT |
|---|---|---|---|---|
| Package | TQFP-64 (PT) | TQFP-64 (PT) - same | TQFP-64 (PT) - same | TQFP-64 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB |
| RAM | 96 KB | 96 KB | 96 KB | 96 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| USB Interface | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG | USB 2.0 FS OTG |
| I/O Pins | 52 | 52 | 52 | 85 |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V | 2.0V to 3.6V |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- Larger RAM (96KB) than most 8-bit Microchip MCUs (vsPIC24FJ256GA108-I/PT)
- On-chip USB OTG with integrated PHY and charge pump (vsPIC24FJ256DA206-I/PT)
- PPS flexibility for simplified PCB routing (vsPIC24FJ256GB210-I/PT)
- Industrial temperature range and 256KB Flash headroom (vsPIC24FJ256GB110-I/PT)
Ghi chú thiết kế
The PIC24FJ256GB206-I/PT has an on-chip 3.3V LDO regulator that powers the USB PHY. Place a 4.7uF low-ESR ceramic capacitor on the VUSB pin (pin 64) to stabilize the regulator output, as called out in the Microchip datasheet. For bus-powered designs, ensure VBUS has sufficient capacitance (typically 10uF) on the host side, and add ESD protection (e.g., USBLC6-2SC6) on D+/D- to survive hot-plug events. Decouple each VDD pin (15 and 43) with 100nF ceramic to local VSS.
Route USB D+ and D- as a 90-ohm differential pair with matched length (delta less than 150 mil) and keep them away from switching nodes or oscillators. Place the 27 ohm series termination resistors as close as possible to the MCU pins. Provide a continuous ground reference plane beneath the USB traces and stitch vias around the TQFP-64 perimeter to reduce EMI. Keep the 12 MHz crystal traces short and surround them with a ground ring.
Common pitfalls: (1) Forgetting the ENVREG capacitor on PIC24FJ devices causes USB PHY failure; consult the datasheet pin descriptions. (2) Programming requires VDD at 3.0V minimum during Flash writes. (3) The CTMU and PMP modules need careful peripheral pin-select configuration to avoid conflicts. (4) Deep-sleep current spec assumes the secondary 32 kHz oscillator is enabled and configured for RTC; otherwise RAM retention current rises significantly.
For reliable USB FS signaling at 12 Mbps, source-impedance match the D+/D- lines to 90 ohms differential. Use Microchip's MLA USB stack only with a validated 12 MHz crystal or active oscillator; frequency error must stay within +/- 0.25% (3000 ppm) to remain within USB spec. Series ferrite beads on VBUS add hot-plug noise suppression. When operating in USB host mode, provide at least 100mA of upstream current capacity on the 5V rail.
Thông tin tuân thủ
RoHS and lead-free per Microchip product page. Industrial -40C to +85C temperature grade only - AEC-Q100 automotive grade parts exist in PIC24F family but require specific part numbers.