PIC24FJ32GA002-I/SO - 16-Bit 32MHz MCU 28-SOIC | Microchip
부품 번호: PIC24FJ32GA002-I/SO ✓ 활성PIC24FJ32GA002-I/SO 개요
A microcontroller is a programmable semiconductor that integrates a processor core, memory, and peripherals into one device. The PIC24F belongs to the broader embedded-controller hierarchy, where a RISC core executes firmware while timers, serial interfaces, and digital I/O connect the controller to sensors, actuators, communications links, and human-machine interfaces. This integration reduces component count while allowing the same firmware platform to support multiple embedded products.
Key resources include 32 KB of flash program memory, 8 KB of data RAM, 21 I/O pins, and two I2C channels, two SPI channels, and two UART channels. The product listing also identifies five timers, one PWM unit, five PWM channels, and 16-bit PWM resolution. These peripherals allow the PIC24FJ32GA002-I/SO to handle sensor acquisition, actuator timing, serial data exchange, and general digital control without requiring several separate interface devices.
The PIC24F architecture provides 16-bit instruction processing at up to 16 MIPS when operating at 3.3 V. Its Flash memory supports in-system programming, while the 8 KB RAM provides working space for variables, stack operations, buffers, and protocol state. The dual I2C, dual SPI, and dual UART resources are particularly useful when a design combines multiple sensors, mixed serial peripherals, or separate communications channels.
Typical applications include industrial sensor controllers, building and environmental monitoring systems, compact motor-control modules, data-acquisition equipment, and connected low-power embedded products. The 21 available I/O pins also make the device appropriate for compact instrumentation where panel controls, status indicators, relay outputs, and serial sensors must share one controller.
When designing the PCB, confirm every signal against the 28-pin pin-description table in the manufacturer datasheet. Provide clean supply decoupling at VDD, route programming and clock signals away from noisy switching nodes, and reserve MCLR for an appropriate pull-up or programming-circuit arrangement. The 28-pin SOIC footprint is not interchangeable with 28-pin SSOP or SPDIP packages without changing the land pattern.
This product page combines the Microchip device description, distributor ordering information, package and memory details, interface resources, practical design guidance, and qualified drop-in comparison data to support faster engineering and sourcing decisions.
드롭인 대체품: PIC24FJ32GA002-I/SO — 동일 패키지, 핀 호환. PCB 재작업이 필요한 다른 패키지 부품은 제외됩니다.
이 시리즈의 변형
다음과 드롭인 호환되는 동일 시리즈 모델: PIC24FJ32GA002-I/SO (동일 폼 팩터 및 풋프린트) — 차이점: Package, ADC, Operating Temperature, Timers, Core Architecture.
PIC24FJ32GA002T-E/SO
✅ 드롭인📋 참조 대체품 (카탈로그에 없음)
PIC24FJ32GA002-I/SO 최대 정격 & 전기적 특성
| Microcontroller Type | PIC24F 16-bit flash microcontroller |
| Maximum CPU Frequency | 32 MHz |
| Maximum Performance | 16 MIPS at 3.3 V |
| Program Memory | 32 KB flash |
| Program Memory Organization | 11K x 24 words |
| Data Memory | 8 KB RAM |
| General-Purpose I/O Pins | 21 pins |
| 패키지 | 28-pin SOIC |
| 공급 전압 | 2.5 V or 3.3 V operation |
| 동작 온도 범위 | -40°C to +125°C |
| I2C Channels | 2 channels |
| SPI Channels | 2 channels |
| UART Channels | 2 channels |
| Timers | 5 timers |
| Timer Resolution | 16 bits |
| PWM Units | 1 unit |
| PWM Channels | 5 channels |
| PWM Resolution | 16 bits |
| Architecture | PIC RISC |
| Programming Memory | Flash |
| Security Feature | Basic CodeGuard security |
| 실장 유형 | Surface mount |
PIC24FJ32GA002-I/SO 28-pin soic 핀 구성 가이드
PIC24FJ32GA002-I/SO(28-pin soic 패키지)의 핀 구성입니다. 이 디지털 IC에는 GPIO, 통신 인터페이스(UART, SPI, I2C), 전원 핀이 포함되어 있습니다. 대체 핀 기능과 구성 옵션은 제조사 데이터시트를 참조하십시오. 임베디드 시스템 설계와 PCB 레이아웃에 필수적입니다.
다음에 대한 상세 핀아웃 데이터 없음: PIC24FJ32GA002-I/SO.
다음을 참조하십시오: 데이터시트 전체 핀 구성은 다음을 참조하십시오.
일반적인 애플리케이션
PIC24FJ32GA002-I/SO 적합 용도: 6 애플리케이션s: Industrial Sensor Controller, Building and Environmental Monitoring, Motor and Valve Control, Portable Data Acquisition, LED and Signage Controller, Industrial Communication Gateway.
Industrial Sensor Controller
The PIC24FJ32GA002-I/SO fits industrial sensor nodes that must combine several compact sensors with local control. Its two I2C channels can support compatible temperature, pressure, humidity, or acceleration devices, while two SPI channels can connect higher-throughput peripherals. The 32 MHz core and 8 KB RAM provide space for sampling schedules, filtering, alarms, and communication tasks, while the -40°C to +125°C range suits controlled industrial enclosures. With 21 I/O pins, the controller can also manage digital inputs, status LEDs, relay drive signals, and a local reset or configuration interface. Design the supply and grounding around the device’s 2.5 V or 3.3 V operating options, and verify every peripheral connection against the manufacturer pin table.
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Building and Environmental Monitoring
A PIC24FJ32GA002-I/SO can serve as the local controller in a building-monitoring node for temperature, humidity, light, occupancy, and equipment-state inputs. The two I2C channels allow separate sensor buses, while the two UART channels can support an internal configuration link and an external network or gateway interface. Its 16 MIPS capability supports timed acquisition, threshold evaluation, event logging, and status reporting without offloading every task to a separate processor. The 21 I/O pins leave room for discrete alarms, indicators, and digital sensor channels. For long maintenance intervals, use the Flash memory for nonvolatile configuration and the UART for updates. Account for the 8 KB RAM limit when buffering samples or maintaining multiple protocol stacks.
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Motor and Valve Control
The PIC24FJ32GA002-I/SO is appropriate for compact motor, valve, pump, or actuator-control modules when the load can be driven through an external switching stage. Five timers and a 16-bit PWM unit with five channels support precise period measurement, speed control, positioning, or proportional output. The 32 MHz processor can combine PWM generation with current or position feedback processing, while two UART channels provide diagnostics and a 16-bit timer can measure feedback events. The microcontroller should not directly drive a load that exceeds its output ratings. Select an appropriately rated transistor, MOSFET, or gate driver and include protection against inductive transients. Verify timer availability and alternate-function mappings in the datasheet before assigning pins.
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Portable Data Acquisition
The PIC24FJ32GA002-I/SO can act as the acquisition engine in a compact portable measurement system. Its dual SPI channels support fast sensors and converters, while the dual I2C channels handle lower-speed configuration devices. At up to 16 MIPS, the 16-bit core can execute acquisition timing, scaling, filtering, and packet assembly, although the 8 KB RAM requires disciplined buffer management. Its 32 KB Flash capacity is appropriate for firmware, calibration constants, and compact configuration records. The 21 I/O pins support trigger inputs, ready signals, status LEDs, and a host interface. For battery-operated equipment, select power-management components that fit the 2.5 V or 3.3 V operating range and use the UART or a dedicated USB bridge for data transfer.
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LED and Signage Controller
A PIC24FJ32GA002-I/SO can coordinate dimmable LED panels, status indicators, illuminated controls, or compact signage. The five 16-bit PWM channels support independent brightness or fade functions, and the five timers can generate accurate update intervals or synchronize effects. Two UART channels allow a host controller to send commands and receive diagnostics, while the GPIO capacity can support button inputs and discrete indicators. Because the MCU is intended for logic-level control, use suitable LED driver circuitry when the LED string requires more current or a voltage above the microcontroller’s supply rail. Program the PWM period and output polarity after checking the peripheral mappings, and account for the 8 KB RAM limit if maintaining complex display buffers.
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Industrial Communication Gateway
The PIC24FJ32GA002-I/SO can serve as a small protocol gateway between local sensors and an upstream controller. Two UART channels can bridge independent serial devices, while the two SPI channels can connect a network or storage peripheral and the two I2C channels can manage configuration devices. The 32 MHz processor is sufficient for lightweight framing, filtering, and protocol translation, but the 8 KB RAM should be checked against buffer requirements for high-throughput traffic. Its -40°C to +125°C specification supports industrial equipment when the enclosure thermal design is appropriate. For long-distance links, include proper line drivers and protection rather than relying on MCU pins for surge handling. Confirm pin multiplexing because serial functions may share pins with general-purpose I/O.
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추천 제품 요약
엔지니어링 참조 데이터: PIC24FJ32GA002-I/SO — 비교, 설계 지침 및 규정 준수 정보.
선택 가이드
대체품과의 비교
| 파라미터 | 이 제품 | PIC24FJ32GA002T-E/SO |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Package | 28-pin SOIC | 28-pin SOIC |
| Product Type | 16-bit PIC24F flash microcontroller | 16-bit PIC24F flash microcontroller |
| Maximum CPU Frequency | 32 MHz | 32 MHz |
| Flash Memory | 32 KB | 32 KB |
| RAM | 8 KB | 8 KB |
| General-Purpose I/O | 21 pins | 21 pins |
| I2C Channels | 2 channels | 2 channels |
| SPI Channels | 2 channels | 2 channels |
| UART Channels | 2 channels | 2 channels |
| PWM Channels | 5 channels with 16-bit resolution | 5 channels with 16-bit resolution |
주요 차별점
- Exact industrial-temperature SOIC ordering configuration (vs PIC24FJ32GA002T-E/SO)
- Complete mixed serial-interface set (vs PIC24FJ32GA002T-E/SO)
- Compact 28-pin surface-mount implementation (vs PIC24FJ32GA002-I/SP)
설계 노트
Use the 28-pin SOIC land pattern from the package drawing and verify pin 1 orientation against the PCB silkscreen. Place the device’s decoupling capacitors close to the corresponding supply pins, with the shortest possible ground return. Route oscillator and programming signals away from switching-power nodes, and keep the MCLR trace short because a long or noisy connection can cause unintended resets.
Design the rail for either the 2.5 V or 3.3 V operating condition stated for this device. Confirm absolute maximum input voltage, I/O injection limits, and the maximum operating frequency for the selected voltage in the Microchip datasheet. Because external sensors and actuators may use higher rails, use level translation or suitable interface drivers rather than allowing their supply voltage to appear directly on an MCU pin.
Several serial and timer functions share pins with general-purpose I/O. Establish the pin-allocation plan before layout, then verify every alternate-function assignment against the manufacturer pin-description table. Keep I2C and UART routing short, provide pull-up resistors where the bus specification requires them, and avoid long unprotected traces next to relays, motors, or high-current switching nodes.
Do not treat PIC24FJ32GA002-I/SO and PIC24FJ32GA002-I/SP as drop-in alternatives: one uses SOIC and the other uses SPDIP, so their PCB footprints differ. Likewise, do not substitute an SSOP, QFN, or SPDIP package merely because the flash and RAM capacities match. Confirm the exact suffix, package drawing, temperature class, pin names, and qualification requirements before approving a cross reference.
규정 준수 정보
The manufacturer product page and distributor listings do not explicitly state the requested environmental, automotive, halogen-free, or conflict-minerals statuses. Basic CodeGuard security is identified as a device feature and is not an environmental-compliance designation.
