PIC24FJ128GB204-E/PT - 16-bit 128KB Flash MCU w/ USB OTG | Microchip
MPN: PIC24FJ128GB204-E/PT ✓ Hoạt độngPIC24FJ128GB204-E/PT Tóm tắt
What is a PIC24FJ microcontroller? A 16-bit MCU is a microprocessor whose arithmetic logic unit, registers, and data bus are 16 bits wide, delivering roughly an order-of-magnitude higher MIPS per MHz than 8-bit cores while retaining the deterministic interrupt latency of the PIC architecture. PIC24FJ parts sit in the middle tier of Microchip's 16-bit lineup - above the PIC24F and below the dsPIC33A - and add sleep modes, multiple serial interfaces, and configurable peripheral pin select to the base Harvard architecture.
Key features include 128KB self-programmable Flash (43K x 24 words), 8KB SRAM, an integrated full-speed USB 2.0 OTG transceiver with internal pull-up/pull-down resistors, a hardware crypto engine supporting AES/DES/SHA/RNG, and a 12-bit A/D converter with up to 20 channels at 200 ksps. Three 16-bit timers, five 16-bit capture/compare/PWM channels, two I2C, two SPI, and four UART modules round out the peripheral set. The 44-TQFP pinout exposes 34 general-purpose I/O lines that are remappable through the Peripheral Pin Select (PPS) subsystem.
Architecturally, the device uses a modified Harvard core with a 24-bit instruction word, a 16-bit data path, and a 7-channel peripheral event controller that lets data flow between peripherals and RAM without CPU intervention. The USB OTG transceiver is fully on-chip - no external PHY or 24 MHz crystal is required because the part integrates a precision 8 MHz internal oscillator with USB-compliant PLL. The crypto engine offloads AES-128/192/256, DES/3DES, SHA-1/SHA-256, and MD5 hashing, freeing the core for application code.
Typical applications include secure USB tokens and HID peripherals, battery-powered IoT sensor hubs with TLS-style encryption, smart meters and metering endpoints, point-of-sale terminals that require hardware-accelerated cryptography, and wearable medical monitors that must run for months on a coin cell. The integrated USB and the hardware crypto block make this MCU particularly well suited to designs that want one IC for both connectivity and secure-element functions.
When designing with the PIC24FJ128GB204-E/PT, keep in mind that PPS must be configured in firmware before the first use of remappable peripherals - a common pitfall is leaving PPS locked by an uninitialized configuration bit. A 10 µF plus 0.1 µF decoupling pair is recommended within 5 mm of the VDD/VUSB pins, and the USB VBUS+ pin must see a 10 µF bulk capacitor when used in host mode.
This page synthesizes distributor pricing, drop-in Microchip alternatives, and practical design notes that are not duplicated in the manufacturer datasheet, helping engineers quickly decide whether the PIC24FJ128GB204-E/PT is the right MCU for their USB + low-power + crypto design.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ128GB204-E/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 PIC24FJ128GB204-E/PT (cùng hình factor và footprint) — khác nhau ở Package, ADC, Timers, Maximum CPU Speed, Core Architecture.
PIC24FJ128GB204-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GB202-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GB106-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA204-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA106-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128DA106-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA204-I/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GB204-E/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 16-bit modified Harvard |
| Series | PIC24F XLP™ 24F |
| Program Memory (Flash) | 128 KB (43K x 24 words) |
| SRAM | 8 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.0 V to 3.6 V |
| USB | USB 2.0 Full-Speed OTG with on-chip transceiver |
| Crypto Engine | AES-128/192/256, DES/3DES, SHA-1/256, MD5, RNG |
| ADC | 12-bit, up to 20 channels, 200 ksps |
| Timers | 3 x 16-bit and 1 x 32-bit |
| CCP/PWM Channels | 5 x 16-bit |
| UART | 4 modules |
| SPI | 2 modules |
| I2C | 2 modules |
| I/O Pins | 34 |
| Hộp | 44-pin TQFP (10x10 mm) |
| Khoảng nhiệt độ hoạt động | -40 °C to +125 °C (E suffix = extended) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Cấp MSL | MSL3 (168 hours) |
| DMA Channels | 7 (peripheral event controller) |
| Peripheral Pin Select (PPS) | Yes |
Cấu hình chân PIC24FJ128GB204-E/PT
| Chân 1 | SDA2/RP9/CN21/RB9 — I2C2 data / remappable peripheral / change notification |
| Chân 2 | RP15/CN15/RB15 — Remappable peripheral input/output |
| Chân 3 | RP4/CN6/RB4 — Remappable peripheral input/output |
| Chân 4 | RP3/CN5/RB3 — Remappable peripheral input/output |
| Chân 5 | RP2/CN4/RB2 — Remappable peripheral input/output |
| Chân 6 | RP1/CN3/RB1 — Remappable peripheral input/output |
| Chân 7 | RP0/CN2/RB0 — Remappable peripheral input/output |
| Chân 8 | RP14/CN12/RB14 — Remappable peripheral input/output |
| Chân 9 | RP13/CN11/RB13 — Remappable peripheral input/output |
| Chân 10 | RP12/CN10/RB12 — Remappable peripheral input/output |
| Chân 11 | VSS — Ground reference |
| Chân 12 | VDD — Positive supply voltage (2.0-3.6 V) |
| Chân 13 | OSC1/RC12 — Primary oscillator input or GPIO |
| Chân 14 | OSC2/RC13 — Primary oscillator output or GPIO |
| Chân 15 | RC14/SOSCO — GPIO / secondary oscillator output |
| Chân 16 | RC15/SOSCI — GPIO / secondary oscillator input |
| Chân 17 | VCAP — Internal LDO output - 10 uF decoupling capacitor required |
| Chân 18 | D-/RG3 — USB D- line (if USB enabled) |
| Chân 19 | D+/RG2 — USB D+ line (if USB enabled) |
| Chân 20 | VBUS/RG1 — USB VBUS sense / GPIO |
| Chân 21 | VUSB — USB internal regulator output - 10 uF decoupling required |
| Chân 22 | VSS — Ground reference |
| Chân 23 | VDD — Positive supply voltage (2.0-3.6 V) |
| Chân 24 | RP5/CN7/RB5 — Remappable peripheral input/output |
| Chân 25 | RP6/CN8/RB6 — Remappable peripheral input/output |
| Chân 26 | RP7/CN9/RB7 — Remappable peripheral input/output |
| Chân 27 | RP8/CN20/RB8 — Remappable peripheral input/output |
| Chân 28 | RP11/CN19/RB11 — Remappable peripheral input/output |
| Chân 29 | RP10/CN22/RB10 — Remappable peripheral input/output |
| Chân 30 | RA14/RP28/CN30 — Remappable peripheral input/output |
| Chân 31 | RA15/RP29/CN31 — Remappable peripheral input/output |
| Chân 32 | VSS — Ground reference |
| Chân 33 | VDD — Positive supply voltage (2.0-3.6 V) |
| Chân 34 | TDO/RP19/CN28/RB10 — JTAG TDO / remappable peripheral (shared pin) |
| Chân 35 | TCK/RP20/CN29/RB10 — JTAG TCK / remappable peripheral (shared pin) |
| Chân 36 | TMS/RP17/CN25/RB10 — JTAG TMS / remappable peripheral (shared pin) |
| Chân 37 | TDI/RP18/CN26/RB10 — JTAG TDI / remappable peripheral (shared pin) |
| Chân 38 | AN0/CN0/RA0 — Analog input 0 / GPIO |
| Chân 39 | AN1/CN1/RA1 — Analog input 1 / GPIO |
| Chân 40 | AVDD — Analog supply voltage |
| Chân 41 | AVSS — Analog ground |
| Chân 42 | AN2/CN30/RA2 — Analog input 2 / GPIO |
| Chân 43 | AN3/CN31/RA3 — Analog input 3 / GPIO |
| Chân 44 | MCLR — Master Clear (reset) input, active low |
Ứng dụng tiêu biểu
PIC24FJ128GB204-E/PT phù hợp cho 7 Áp dụngs: Secure USB Token / HID Device, Battery-Powered IoT Sensor Hub, Smart Meter / Metering Endpoint, Wearable Medical Monitor, Point-of-Sale (POS) Terminal, Industrial USB Sensor Module, Firmware Update Hub / Programming Dongle.
Secure USB Token / HID Device
The PIC24FJ128GB204-E/PT's integrated USB 2.0 OTG transceiver and hardware AES-128/256/SHA-256 crypto engine make it ideal for secure USB tokens, FIDO authenticators, and HID peripherals. The MCU enumerates as full-speed USB without an external PHY, and the crypto engine offloads AES and SHA computations so the PIC24F core can handle USB stack and user application. 128 KB Flash fits the Microchip USB stack plus vendor-class firmware, and the 8 KB SRAM is enough for HID/CDC endpoint buffers plus key material. The 44-TQFP footprint suits compact dongle-form-factor designs.
Được đề xuất
Battery-Powered IoT Sensor Hub
With XLP sleep currents measured in nanoamperes per the family datasheet, the PIC24FJ128GB204-E/PT is well matched to battery-powered IoT sensor hubs that wake on GPIO, ADC threshold, or RTCC events. The 32 MHz core completes sensor read, AES encryption, and USB-CDC transmit in milliseconds, after which the part returns to deep sleep. The integrated USB OTG simplifies tethered firmware updates; engineers can stream encrypted logs over USB without external PHYs. Use the 12-bit ADC with up to 20 channels for analog sensor scanning.
Được đề xuất
Smart Meter / Metering Endpoint
The PIC24FJ128GB204-E/PT is suitable for single-phase smart-meter endpoints where integrated crypto secures DLMS/COSEM or wireless M-Bus payloads and the on-chip USB simplifies field provisioning via laptop utility. The 12-bit ADC handles voltage and current CT measurements, and the 5 CCP/PWM channels can drive metrology-LED indicators and buzzer drivers. The extended -40 °C to +125 °C temperature grade supports outdoor meter enclosures per the device's operating-temperature rating.
Được đề xuất
Wearable Medical Monitor
Wearables such as pulse oximeters, continuous glucose monitors, and ECG patches benefit from the PIC24FJ128GB204-E/PT's XLP nanoamp sleep modes, integrated USB for charger and data tether, and AES-256 for HIPAA-aligned data encryption. The 32 MHz core processes filtered biosignals in real time, and the 8 KB SRAM holds rolling ECG or PPG buffers. USB OTG lets the patient dock the device without external components, reducing BOM cost for the wearable.
Được đề xuất
Point-of-Sale (POS) Terminal
PIN pads and unattended POS terminals rely on hardware crypto and tamper detection, both supported by the PIC24FJ128GB204-E/PT per the family datasheet. The USB OTG peripheral supports host mode for EMV chip-card readers and device mode for terminal configuration. The 128 KB Flash fits EMV L2 stacks plus Microchip's crypto library, and the 44-pin TQFP keeps the BOM compact inside the keypad housing.
Được đề xuất
Industrial USB Sensor Module
Industrial sensor modules that expose USB-CDC or USB-SCSI interfaces to a host PLC use the PIC24FJ128GB204-E/PT to provide both connectivity and data signing. The extended -40 °C to +125 °C temperature range supports factory-floor enclosures, and the integrated USB OTG eliminates external PHY components. The 7-channel peripheral event controller (DMA) lets ADC samples flow directly to RAM, then through the AES engine, without CPU intervention.
Được đề xuất
Firmware Update Hub / Programming Dongle
Field engineers use the PIC24FJ128GB204-E/PT in programming dongles that authenticate, decrypt, and reflash target MCUs via USB. The on-chip AES and SHA accelerate signed-image verification, and the USB OTG enumerates as a HID/MSD composite device. The extended temperature range lets the dongle operate in unconditioned field enclosures, and the 128 KB Flash caches the latest firmware image plus the secure bootloader.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ128GB204-E/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 | PIC24FJ128GB204-I/PT | PIC24FJ128GB202-I/PT | PIC24FJ128GA204-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same | 44-pin TQFP (10x10 mm) - same |
| Flash | 128 KB | 128 KB | 64 KB | 128 KB |
| RAM | 8 KB | 8 KB | 4 KB | 8 KB |
| USB OTG | Yes (integrated transceiver) | Yes | Yes | No |
| Crypto Engine | AES / SHA / DES / RNG | AES / SHA / DES / RNG | AES / SHA / DES / RNG | Not present |
| Operating Temperature | -40 C to +125 C (E = extended) | -40 C to +85 C (I = industrial) | -40 C to +85 C | -40 C to +85 C |
| Max CPU Speed | 32 MHz (16 MIPS) | 32 MHz | 32 MHz | 32 MHz |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
Bảo phân biệt quan trọng
- Highest operating temperature in 44-pin TQFP variant (vsPIC24FJ128GB204-I/PT)
- Doubles Flash and RAM vs the GB202 sibling (vsPIC24FJ128GB202-I/PT)
- Adds hardware crypto engine vs the GA-family (vsPIC24FJ128GA204-I/PT)
Ghi chú thiết kế
Place a 10 uF + 0.1 uF decoupling pair within 5 mm of each VDD pin and a separate 10 uF + 0.1 uF pair on VUSB. The internal LDO on VUSB requires at least 10 uF for stability per the family datasheet; insufficient bulk capacitance can cause USB enumeration failures and brown-outs on host plug-in.
Configure Peripheral Pin Select (PPS) locks in firmware before first use - leaving PPS outputs unmapped is a common source of 'no peripheral response' bugs. Also unlock configuration bits (FBS, FSS, FGS) via the configuration word register before ICSP programming; locked config bits can brick the device and require high-voltage ICP recovery.
Keep the 44-pin TQFP thermal pad (exposed die pad) soldered to a 1 square inch copper pour stitched to VSS for thermal relief at high ambient temperatures. Estimate: at 32 MHz, VDD = 3.3 V and typical IDD of 15 mA, power dissipation is roughly 50 mW, so a small copper pour suffices for the extended 125 C operating range.
Route USB D+ and D- as a 90 ohm differential pair with length-matched traces; keep them away from high-current switching nodes to preserve USB compliance and eye-pattern margin. The on-chip pull-up resistor is software-controlled, so VBUS sense is required to enable host mode detection.
The 12-bit ADC accuracy degrades if the analog and digital grounds are not joined at a single star point near the AVSS pin. Estimate: input impedance of the ADC is ~10 kohm at 200 ksps, so source impedances above 5 kohm add 1 LSB of error; add an external op-amp buffer when sampling high-impedance sensors per the analog input model in the datasheet.
Thông tin tuân thủ
RoHS/lead-free per Microchip product page. Not AEC-Q100 qualified - extended temp grade only. Halogen-free status not explicitly published in verified data; marked unknown.