PIC24FJ32GB002-I/SO - 32MHz 32KB Flash USB MCU | Microchip
料号： PIC24FJ32GB002-I/SO ✓ 量产中PIC24FJ32GB002-I/SO 概述
A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The PIC24FJ32GB002 belongs to the PIC24 family of 16-bit RISC microcontrollers and the broader embedded-control hierarchy of microcontrollers, embedded processors, and semiconductor devices. Its XLP low-power architecture is intended for applications that balance responsive control, USB connectivity, and reduced energy use.
Principal features include 32 KB of program flash organized as 11K by 24 words, 8 KB of SRAM, a 16-bit architecture, and a maximum clock frequency of 32 MHz. Full-speed USB support permits direct peripheral connectivity and communication with USB hosts. The -I/SO ordering designation identifies the industrial-temperature, 28-pin SOIC configuration.
The PIC24FJ32GB002-I/SO integrates advanced peripherals intended to reduce external component requirements in embedded products. USB device connectivity, serial interfaces, timers, and other control resources allow designers to consolidate functions that might otherwise require separate devices. Its 16 MIPS processing capability provides deterministic control performance for protocol handling, signal monitoring, and user-interface management.
Typical uses include USB-connected data acquisition modules, compact industrial controllers, programmable instrument interfaces, building-control nodes, and low-power embedded peripherals. A USB device implementation can use the controller for enumeration and data exchange while general-purpose peripherals manage sensors, indicators, and local control functions.
PCB design should preserve the manufacturer's recommended decoupling and programming access. Place the required input and output capacitors close to their associated supply pins, route USB D+ and D- as a controlled differential pair, and maintain accessible programming and debug connections. Confirm the exact pin names, voltage limits, and decoupling values against the Microchip datasheet before fabrication.
This product page consolidates manufacturer specifications, verified sourcing information, same-footprint alternatives, and practical design guidance. It also distinguishes genuine direct replacements from package or temperature-ordering variants that require explicit engineering review before substitution.
直接替换替代料： PIC24FJ32GB002-I/SO ——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： PIC24FJ32GB002-I/SO （相同外形与封装尺寸） ——差异在于 Package, Timers, Mounting Type, RoHS Status, Operating Temperature.
PIC24FJ32GB002T-I/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ32GB002T-E/SO
✅ 直接替换📋 参考替代料（不在目录中）
PIC24FJ32GB002-I/SO 最大额定值与电气特性
| Microcontroller Type | 16-bit PIC24 RISC microcontroller |
| Maximum CPU Frequency | 32 MHz |
| Instruction Throughput | 16 MIPS |
| Flash Memory | 32 KB (11K x 24 words) |
| Static RAM | 8 KB |
| USB Interface | Full-speed USB |
| Power Class | XLP nanowatt low-power technology |
| Temperature Grade | Industrial grade |
| Package Type | 28-pin SOIC |
| 引脚数量 | 28 pins |
| 安装类型 | Surface mount |
| RoHS 状态 | Unknown |
| REACH Status | Unknown |
PIC24FJ32GB002-I/SO 28-pin soic 引脚配置指南
PIC24FJ32GB002-I/SO（28-pin soic 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： PIC24FJ32GB002-I/SO.
请参阅 数据手册 以查看完整引脚配置。
典型应用
PIC24FJ32GB002-I/SO 适用于 6 应用s: USB Data Acquisition Module, Compact Industrial Controller, Programmable Instrument Interface, Building Control Node, USB Connected Sensor Node, Programming and Test Controller.
USB Data Acquisition Module
The PIC24FJ32GB002-I/SO fits a USB data acquisition module because it combines full-speed USB with a 16-bit, 32 MHz processor and 8 KB RAM. The microcontroller can manage sensor sampling, digital filtering, status reporting, and host communication without a separate USB interface controller. Its 32 KB flash provides room for application firmware, while the XLP power-management characteristics support compact, intermittently active instruments. Place the USB differential pair according to the manufacturer layout guidance and place local bypass capacitors beside the supply pins to reduce conducted noise. The design should also reserve the programming and debug signals for manufacturing and field service.
推荐
Compact Industrial Controller
The PIC24FJ32GB002-I/SO is appropriate for a compact industrial controller that must combine real-time control with USB service connectivity. Its 16 MIPS instruction throughput supports digital control loops, while the integrated timer, control, and serial resources can supervise actuators and sensors. Full-speed USB provides a practical path for configuration transfer, diagnostics, and production test access. The industrial-temperature ordering code is appropriate for a design intended for extended industrial environments. Designers should verify exact peripheral assignments and operating limits in the family datasheet, while routing USB as a differential pair and isolating noisy power-return currents from sensitive control signals.
推荐
Programmable Instrument Interface
The PIC24FJ32GB002-I/SO can serve as the control and communications processor in a programmable instrument. Its 32 MHz clock rate and 16 MIPS throughput provide ample capacity for control sequencing, calibration logic, status monitoring, and USB command handling. The 32 KB program memory supports a dedicated embedded interface, while 8 KB RAM can accommodate temporary measurement and protocol data. USB connectivity can replace a proprietary serial interface while retaining a recognizable connection method for bench equipment. Firmware should use the manufacturer's recommended clock configuration, decoupling, and programming interface, and the PCB should keep USB routing separated from analog measurement paths to avoid coupling.
推荐
Building Control Node
The PIC24FJ32GB002-I/SO is suitable for a low-power building-control node that gathers local sensor information and exposes a USB commissioning interface. The PIC24 XLP architecture supports reduced activity in duty-cycled designs, while the 16-bit processor and 32 MHz clock handle protocol tasks, debouncing, and local control logic. Full-speed USB is useful during installation, configuration, and diagnostics, reducing the need for a permanent external communications converter. The 28-pin SOIC package permits a conventional surface-mount layout with accessible test points. Validate pin multiplexing, clock requirements, and peripheral assignments against the device documentation, and provide local decoupling and controlled USB routing for reliable commissioning.
推荐
USB Connected Sensor Node
The PIC24FJ32GB002-I/SO works well in a USB-connected environmental or industrial sensor node because it consolidates processing, memory, digital control peripherals, and USB in one device. Firmware can acquire samples, perform filtering, maintain calibration offsets, and format results for a USB host. The 8 KB RAM supports short measurement buffers and protocol state, while 32 KB flash holds application code and configuration logic. Low-power operation can be used between host requests or sampling intervals to reduce energy use. The implementation should select the correct clock scheme, include the specified bypass capacitors, route D+ and D- as a differential pair, and expose programming pads for production programming and validation.
推荐
Programming and Test Controller
The PIC24FJ32GB002-I/SO can act as a programming or test controller in production fixtures and engineering test systems. Its 16-bit, 32 MHz processing core can sequence fixture operations, execute test sequences, and communicate results through full-speed USB. The 32 KB flash and 8 KB RAM are sufficient for a focused embedded test application, while integrated control peripherals reduce the need for external logic. The family also supports dedicated programming provisions, which can be useful for firmware update or recovery workflows. Production designers should use the exact programming and debug connections documented by Microchip, isolate test-driver signals from USB routing, and validate all I/O levels against the device electrical limits.
推荐
推荐产品汇总
工程参考数据： PIC24FJ32GB002-I/SO ——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 | PIC24FJ32GB002T-I/SO | PIC24FJ32GB002T-E/SO |
|---|---|---|---|
| Package | 28-pin SOIC | 28-pin SOIC | 28-pin SOIC |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| CPU Architecture | 16-bit PIC24 RISC | 16-bit PIC24 RISC | 16-bit PIC24 RISC |
| Maximum CPU Frequency | 32 MHz | 32 MHz | 32 MHz |
| Instruction Throughput | 16 MIPS | 16 MIPS | 16 MIPS |
| Flash Memory | 32 KB (11K x 24 words) | 32 KB | 32 KB |
| Static RAM | 8 KB | 8 KB | 8 KB |
| USB Interface | Full-speed USB | Full-speed USB | Full-speed USB |
| Ordering Grade | Industrial -I suffix | Industrial -I suffix with T ordering code | E suffix with T ordering code |
关键差异点
- Combines USB connectivity with a 16-bit PIC24 control processor （对比 PIC24FJ32GB002T-I/SO)
- Uses the standard 28-pin SOIC footprint （对比 PIC24FJ32GB002T-E/SO)
- Target ordering code preserves industrial-temperature intent （对比 PIC24FJ32GB002T-E/SO)
设计说明
Place the required bypass capacitors directly beside the associated VDD and VSS pins, with short and symmetric return paths. Keep USB D+ and D- as a controlled differential pair and avoid routing them alongside switching-node traces or motor-current paths. Confirm the capacitor values, USB trace geometry, and clock layout in the Microchip family datasheet before releasing the PCB.
Reserve accessible programming and debug connections on the board. The PIC24FJ32GB002 family includes multiple PGECx and PGEDx pairs, and each programming clock and data pair must be connected as a matched pair. Use the manufacturer's recommended connector or footprint, and route these signals away from USB and noisy switching paths to improve programming reliability.
Review the complete pin voltage and current limits before connecting external sensors or actuators. The industrial suffix identifies the target temperature grade, but it does not by itself define safe logic levels for every peripheral. Use suitable level translation where a connected device can exceed the microcontroller's limits, and separate analog or sensor returns from digital and USB return currents where practical.
Do not treat a shared family name as proof that every ordering suffix is interchangeable. Confirm the meaning of the I, E, T, S, O, and P codes against Microchip's ordering documentation, including temperature range, qualification, package, and shipment method. Before replacing an installed device, verify programming requirements, marking rules, and production traceability.
合规信息
The product is an industrial-temperature microcontroller rather than an AEC-Q100 automotive device. RoHS, REACH, lead-free, halogen-free, and conflict-minerals status were not stated in the retrieved technical information.
