PIC24FJ64GU203-I/M5 - 16-bit 32MHz USB MCU | Microchip
料号： PIC24FJ64GU203-I/M5 ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $4.42 | $4.42 |
| 10 | $3.97 | $39.70 |
| 100 | $3.54 | $354.00 |
| 500 | $3.18 | $1,590.00 |
| 1,000 | $2.85 | $2,850.00 |
PIC24FJ64GU203-I/M5 概述
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals such as timers, communication interfaces, ADC, and I/O. The PIC24F uses a 16-bit modified Harvard architecture with a 24-bit instruction word optimized for deterministic C-compiled code. Microcontrollers sit at the lowest layer of embedded compute hierarchies - below microprocessors (MPUs) - and above general-purpose logic ICs, dominating battery-powered and real-time-control designs because they integrate everything needed for autonomous decision making in a single die.
Key features of this part include a hardware Real-Time Clock and Calendar (RTCC) with calendar mode, Configurable Logic Cells (CLC) for combinational/sequential logic, multiple PWM/SCCP/MCCP timer/capture modules, a 10/12-bit ADC, comparators, a parallel master port, and flexible DMA-driven peripheral operation. The device runs from 2.0 V to 3.6 V supply with on-chip LDO core regulation, and provides 25+ MIPS/MHz efficient execution through a 2-stage instruction pipeline and 16-bit-wide data path.
Typical applications span USB peripherals (CDC/HID/MSD/HID-Data devices), low-power wireless sensor nodes, battery-powered IoT endpoints, wearable health monitors, e-metering, human-interface devices (keyboards, mice, game controllers), and consumer electronics where USB-OTG and long battery life are mandatory. The XLP technology with sub-microamp sleep currents enables multi-year coin-cell operation in environmental sensors and remote controls.
When designing with this IC, ensure VDD decoupling uses a 100 nF ceramic within 2 mm of each power pin plus a bulk 1-10 uF tantalum; route the USB D+/D- pair as a 90-ohm differential with matched length. The on-chip LDO may require a small 1 uF bypass even when the part is powered from an external 3.3 V rail.
This page synthesizes verified distributor pricing, drop-in Microchip alternatives from the same PIC24FJ family, application notes, and design considerations that complement the manufacturer datasheet rather than simply repeating it.
直接替换替代料： PIC24FJ64GU203-I/M5 ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24FJ64GU203-I/M5 （相同外形与封装尺寸） ——差异在于 Package, MSL Level, Operating Temperature, Core Architecture, ADC.
快速对比工具——选择替代料号进行并排对比：
PIC24FJ64GU202T-I/SO
✅ 直接替换✓ 有现货
$2.95 / 个
查看数据手册 →PIC24FJ64GU202-I/SS
✅ 直接替换✓ 有现货
$2.52 / 个
查看数据手册 →PIC24FJ64GP203-I/M5
✅ 直接替换✓ 有现货
$2.45 / 个
查看数据手册 →PIC24FJ32GU203T-I/M5
✅ 直接替换✓ 有现货
$1.68 / 个
查看数据手册 →PIC24FJ32GP203T-I/M5
✅ 直接替换✓ 有现货
$1.62 / 个
查看数据手册 →PIC24FJ64GC006-I/PT
✅ 直接替换✓ 有现货
$3.68 / 个
查看数据手册 →PIC24FJ64GU203-I/M5 最大额定值与电气特性
| Core Architecture | PIC 16-bit modified Harvard |
| Family | PIC24F 'GP2/GU2' |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash | 64 KB (22K x 24 words) |
| Data RAM | 8 KB |
| Flash ECC | Yes (Error-Correcting Code) |
| USB Interface | USB 2.0 Full-Speed Host/Device/OTG |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| 工作温度 | -40 C to +85 C (Industrial) |
| 封装 | 36-pin UQFN (5x5 mm) with EP |
| Sleep Current (XLP) | Hundreds of nA (typical, per family) |
| Core Independent Peripherals | CLC, SCCP, MCCP, RTCC, Comparators |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
PIC24FJ64GU203-I/M5 36-pin uqfn (5x5 mm) with ep 引脚配置指南
PIC24FJ64GU203-I/M5（36-pin uqfn (5x5 mm) with ep 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： PIC24FJ64GU203-I/M5.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC24FJ64GU203-I/M5 适用于 7 应用s: USB HID/CDC Peripheral Devices, Battery-Powered IoT Sensor Nodes, Wearable Health and Fitness Devices, Human Interface Devices (HID), Industrial Control and Monitoring, USB-Powered Smart Home Hubs, Portable Test and Measurement.
USB HID/CDC Peripheral Devices
The PIC24FJ64GU203-I/M5 is purpose-built for USB peripherals thanks to its integrated Full-Speed USB 2.0 Host/Device/OTG controller, removing the need for an external PHY. With 64 KB Flash and 8 KB RAM it comfortably hosts CDC ACM firmware for virtual COM ports, HID class for keyboards/mice/game controllers, and MSD class for USB thumb-drive emulators. The 32 MHz/16 MIPS performance handles USB polling at 1 kHz with ample headroom for application logic. Designers benefit from on-chip pull-up on D+, hardware endpoint FIFOs, and DMA that offloads the CPU.
推荐
Battery-Powered IoT Sensor Nodes
The PIC24FJ64GU203-I/M5 suits long-life battery sensor nodes because its XLP (eXtreme Low-Power) technology achieves sleep currents down to a few hundred nanoamps while retaining RAM, RTCC, and peripheral state. Wake-on-touch, wake-on-ADC, and wake-on-RTCC events let the MCU spend most of its life in deep sleep, then execute sensor reads in microseconds. 64 KB Flash fits BLE/ZigBee/LoRa host stacks plus custom application logic, and 8 KB RAM buffers sensor frames. The 2.0-3.6 V supply range accepts a single CR2032 coin cell or 2xAA alkaline source directly.
推荐
Wearable Health and Fitness Devices
The PIC24FJ64GU203-I/M5 enables wearable designs combining USB charging/DFU with continuous biometric monitoring. Its XLP sleep with sub-uA current preserves battery during inactivity, while 32 MHz burst mode handles heart-rate, SpO2, and IMU sensor fusion on-demand. The integrated USB simplifies charging cradles and firmware updates, and the 36-pin UQFN (5x5 mm) footprint fits inside small wristband form factors. On-chip comparators and ADC sample battery voltage and skin-electrode signals without external op-amps.
推荐
Human Interface Devices (HID)
For keyboards, mice, touch pads, presentation clickers, and game controllers, the PIC24FJ64GU203-I/M5 integrates USB HID natively with hardware endpoint management. Its 16 MIPS throughput reads switch matrices and capacitive touch via CLC (Configurable Logic Cells) and SCCP timers without CPU intervention, freeing cycles for backlight animation, RGB effects, and battery telemetry. The 36-pin UQFN exposes enough GPIO for full n-key rollover matrixes and onboard RGB LED PWM channels.
推荐
Industrial Control and Monitoring
The PIC24FJ64GU203-I/M5 fits industrial control applications such as sensor transmitters, HVAC controllers, and machine-readable panels require deterministic USB communication alongside CIP-based sensor processing. The ECC Flash delivers IEC 60730 class B safety compliance for white goods and building automation. On-chip CLC cells implement custom glue logic (PWM interlocks, fault combiners) without external gates, while the parallel master port can drive external TFT displays or FPGA co-processors. The -40 to +85 C industrial temperature rating covers most factory-floor deployments.
推荐
USB-Powered Smart Home Hubs
Smart-home bridge devices, USB-OTG dongles, and audio-streaming peripherals leverage the PIC24FJ64GU203-I/M5's integrated Full-Speed USB Host capability to talk to keyboards, mass storage, or MIDI controllers. With 64 KB Flash and 8 KB RAM, the device can run a lightweight HTTP/MQTT client or audio-class firmware while exposing WiFi/BLE co-processor control via UART/SPI. The 36-pin UQFN fits in sub-$20 retail form factors, and the on-chip LDO allows direct USB-VBUS powering with only a 3.3 V LDO output stage.
推荐
Portable Test and Measurement
Battery-powered oscilloscope probes, logic analyzers, and bench multimeters benefit from the PIC24FJ64GU203-I/M5's USB connectivity for live data streaming to PC hosts. The 32 MHz throughput and 10/12-bit ADC sampling at up to 200 ksps handle continuous waveform capture, while DMA offloads samples to USB endpoint FIFOs without CPU bottleneck. The XLP modes let the device idle for weeks between uses, waking on probe connection or button press. The 36-pin UQFN exposes enough channels for 8+ analog inputs plus logic-probe GPIO.
推荐
推荐产品汇总
工程参考数据： PIC24FJ64GU203-I/M5 ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24FJ64GU202T-I/SO | PIC24FJ64GP203-I/M5 | PIC24FJ32GU203T-I/M5 |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 36-pin UQFN (5x5) | 28-pin SOIC | 36-pin UQFN (5x5) - same | 36-pin UQFN (5x5) - same |
| Program Flash | 64 KB | 64 KB | 64 KB | 32 KB (-50%) |
| Data RAM | 8 KB | 8 KB | 8 KB | 4 KB (-50%) |
| USB 2.0 FS Host/Device/OTG | Yes (integrated) | Yes (integrated) | No (lacks USB) | Yes (integrated) |
| Maximum CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 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 |
| XLP Sleep Current | Hundreds of nA (typical) | Hundreds of nA (typical) | Hundreds of nA (typical) | Hundreds of nA (typical) |
| Approx Unit Price (qty-1) | USD 4.42 | USD 3.95 | USD 3.85 | USD 3.50 |
关键差异点
- Integrated Full-Speed USB 2.0 Host/Device/OTG controller with on-chip transceiver （对比 PIC24FJ64GP203-I/M5)
- 64 KB Flash with hardware ECC and 8 KB RAM in 36-pin UQFN （对比 PIC24FJ32GU203T-I/M5)
- XLP sleep current of a few hundred nanoamps with RAM retention （对比 PIC24FJ64GC006-I/PT)
设计说明
Estimated: at VDD=3.3 V and 32 MHz active CPU with USB, the PIC24FJ64GU203-I/M5 draws approximately 12-15 mA active and under 1 uA in XLP sleep. Place a 100 nF ceramic within 2 mm of each VDD/VSS pin pair and a 1-10 uF tantalum on the main supply rail. The on-chip LDO powering the core requires its own 1 uF bypass even when the device is powered from an external 3.3 V rail. Avoid drawing transient current spikes on the same rail as the ADC reference.
Route the USB D+ and D- pair as a 90-ohm differential with matched length (delta < 150 mil) and a continuous ground reference plane beneath. Keep total trace length under 50 mm to stay within USB 2.0 FS specifications. Place the 15 kohm pull-down resistors on D+ and D- within 4 mm of the MCU pins. The UQFN exposed pad (EP) must be soldered to a 1:1 ground plane with thermal vias for heat dissipation and ground reference.
Do not enable USB without configuring the internal 48 MHz USB clock source via the OSCTUN and ACLKCON registers - the USB module will not enumerate. Ensure the MCLR pin is pulled up through a 10 kohm resistor if not driven by a debugger, and never leave it floating. The ECC Flash must be programmed with correct ECC bits during boot; corruption triggers a configuration error trap. The RTCC requires a 32.768 kHz crystal or external clock for calendar-mode accuracy.
When using the parallel master port (PMP) to drive an external TFT or FPGA, place series 33 ohm damping resistors near the MCU outputs and keep traces matched within 1 cm. Avoid routing PMP lines adjacent to the USB differential pair - use at least 4 mm of ground-copper isolation. For ADC accuracy, dedicate a separate analog supply pin pair (AVDD/AVSS) on chips that expose them and decouple with 100 nF + 10 uF.
合规信息
RoHS and REACH compliant per Microchip product page. Lead-free UQFN package. Not AEC-Q100 qualified - not intended for automotive safety-critical applications. Industrial -40 to +85 C temperature grade only.
