PIC24FJ64GA002-E/SO - 16-bit 32MHz 64KB Flash MCU | Microchip
MPN: PIC24FJ64GA002-E/SO ✓ Hoạt độngPIC24FJ64GA002-E/SO Tóm tắt
A 16-bit microcontroller is a microprocessor core with a 16-bit data path, instruction set, and registers, offering a balance between 8-bit simplicity and 32-bit performance. In the semiconductor taxonomy, the PIC24FJ64GA002 sits within microcontrollers -> embedded processors -> integrated circuits. The 16-bit MCU family (PIC24) is the bridge tier between Microchip's 8-bit PIC16/PIC18 lines and 32-bit PIC32 parts, giving designers substantially more compute headroom and addressable memory than 8-bit parts without the complexity of a 32-bit ARM Cortex-M core.
Key features include 16 MIPS performance at 32MHz CPU clock, 64KB self-programmable Flash with EEPROM emulation, 8KB SRAM, a 10-bit ADC with up to 13 analog channels, 5x16-bit timers, two UART modules, two SPI modules, and an I2C module. The -E suffix indicates the extended temperature grade (-40C to +125C), making the part suitable for industrial and harsh-environment designs.
Technically, the PIC24FJ64GA002 uses a modified Harvard architecture with a 16-bit datapath, 24-bit instructions, and a hardware multiplier that performs a 16x16-bit multiplication in one cycle. The device runs from 2.0V to 3.6V and supports nanoWatt sleep modes that drop quiescent current into the microamp range, enabling battery-powered designs.
Typical applications include industrial sensor nodes, low-power IoT endpoints, motor control front-ends, USB device interfaces (with on-chip USB 2.0 full-speed transceiver in select variants), home automation controllers, and educational/prototyping boards. The 28-pin SOIC wide-body footprint makes hand-soldering and rework straightforward for hobbyists and small-volume production.
When designing with this part, note that the 'E' suffix denotes the extended temperature grade (different from the -I grade which runs -40C to +85C). Engineers targeting AEC-Q100 automotive qualification should select a different PIC24F variant. For programming, Microchip's MPLAB X IDE with the XC16 compiler is the canonical toolchain; ICD 3 and PICkit 4 programmers/debuggers are supported out of the box.
This page synthesizes distributor pricing, parametric alternatives, and practical design considerations for the PIC24FJ64GA002-E/SO beyond the manufacturer datasheet, including a direct comparison with the closely related PIC24FJ64GA002-I/SO and PIC24FJ32GA002-E/SO drop-in equivalents.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ64GA002-E/SO — 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 PIC24FJ64GA002-E/SO (cùng hình factor và footprint) — khác nhau ở Package, Operating Temperature, ADC, MSL Level, Timers.
PIC24FJ64GA002-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GA002-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ48GA002-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA002-E/SO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ64GA002-E/SO Tỷ lệ tối đa & tính chất điện
| Core | PIC24F 16-bit RISC |
| Architecture | Modified Harvard |
| Instruction Set | 16-bit data path, 24-bit instructions |
| Maximum CPU Speed | 32 MHz |
| Performance | 16 MIPS |
| Program Memory (Flash) | 64 KB (22K x 24 words) |
| Data Memory (RAM) | 8 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| ADC | 10-bit, up to 13 channels |
| Timers | 5 x 16-bit |
| UART Modules | 2 |
| SPI Modules | 2 |
| I2C Modules | 1 |
| Nhiệt độ hoạt động | -40C to +125C (extended 'E' grade) |
| Hộp | 28-pin SOIC Wide (SO) |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 1 |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ64GA002-E/SO
| Chân 1 | MCLR — Master Clear (reset) input, active low |
| Chân 2 | RA0 — Port A bit 0 / analog input |
| Chân 3 | RA1 — Port A bit 1 / analog input |
| Chân 4 | RB0 — Port B bit 0 / programming clock |
| Chân 5 | RB1 — Port B bit 1 / programming data |
| Chân 6 | RB2 — Port B bit 2 |
| Chân 7 | RB3 — Port B bit 3 |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1 — Crystal oscillator input |
| Chân 10 | OSC2 — Crystal oscillator output |
| Chân 11 | RB4 — Port B bit 4 |
| Chân 12 | RA2 — Port A bit 2 / analog input |
| Chân 13 | RA3 — Port A bit 3 / analog input |
| Chân 14 | RA4 — Port A bit 4 |
| Chân 15 | AVSS — Analog ground |
| Chân 16 | RA5 — Port A bit 5 / analog input |
| Chân 17 | RA6 — Port A bit 6 |
| Chân 18 | RA7 — Port A bit 7 |
| Chân 19 | AVDD — Analog supply voltage |
| Chân 20 | VDD — Digital supply voltage |
| Chân 21 | RB5 — Port B bit 5 |
| Chân 22 | RB6 — Port B bit 6 / ICSP clock |
| Chân 23 | RB7 — Port B bit 7 / ICSP data |
| Chân 24 | RB8 — Port B bit 8 |
| Chân 25 | RB9 — Port B bit 9 |
| Chân 26 | RC0 — Port C bit 0 |
| Chân 27 | RC1 — Port C bit 1 |
| Chân 28 | RC2 — Port C bit 2 |
Ứng dụng tiêu biểu
PIC24FJ64GA002-E/SO phù hợp cho 6 Áp dụngs: Industrial Sensor Node, Low-Power IoT Endpoint, Motor Control Front-End, Home Automation Controller, Educational and Prototyping Boards, Data Acquisition Module.
Industrial Sensor Node
The PIC24FJ64GA002-E/SO is well suited for industrial sensor nodes where its 16 MIPS performance, 8KB RAM, and dual UART/SPI peripherals allow simultaneous Modbus RTU and SPI sensor reads. The 10-bit ADC with up to 13 channels can sample multiple analog sensors such as temperature, pressure, and 4-20mA loop inputs. The -40C to +125C extended temperature grade ensures reliable operation near motors, PLCs, and outdoor enclosures. According to Microchip's family datasheet, the nanoWatt sleep modes drop quiescent current to a few microamps, enabling battery-backed sensor nodes that sleep between measurement intervals. A typical design pairs the MCU with an RS-485 transceiver on UART1 and an SPI ADC on SPI1, leaving UART2 available for firmware updates or debug logging.
Được đề xuất
Low-Power IoT Endpoint
For battery-powered IoT endpoints the PIC24FJ64GA002-E/SO offers a 2.0V to 3.6V operating range compatible with two-AA cells or a single Li-ion cell. Its nanoWatt sleep modes and fast wake-up time from the 32KB device library allow duty-cycled sensor reporting that extends battery life to months. The 64KB Flash accommodates Over-The-Air (OTA) update bootloaders plus application code, while 8KB RAM handles network protocol buffers such as MQTT or CoAP. The on-chip UART/SPI/I2C interfaces can directly drive wireless modules like the MRF24J40 or LoRa SX1278 transceiver without external bus expanders.
Được đề xuất
Motor Control Front-End
The PIC24FJ64GA002-E/SO can serve as a BLDC or stepper motor control front-end, leveraging its five 16-bit timers to generate PWM signals with microsecond resolution. The hardware multiplier and 16 MIPS throughput allow real-time commutation algorithms, current sensing via the 10-bit ADC, and serial telemetry through UART. The extended -40C to +125C temperature range tolerates the thermal environment inside motor housings and industrial machinery. Designs typically pair the MCU with external gate drivers and current-sense amplifiers; the PIC24F PWM peripheral with complementary outputs and dead-band control simplifies three-phase inverter implementations.
Được đề xuất
Home Automation Controller
In home automation, the PIC24FJ64GA002-E/SO can act as a room-level controller managing lighting, HVAC, and security peripherals over UART, SPI, and I2C. The 64KB Flash easily fits a state-machine-based control scheduler plus Zigbee or Z-Wave bridge firmware, while 8KB RAM supports protocol stacks and event buffers. The 13-channel 10-bit ADC reads analog sensors such as LDR light sensors, NTC thermistors, and potentiometers. The wide 28-pin SOIC footprint allows hand-soldering for prototyping and easy rework during development, which is important for small-scale smart-home product runs.
Được đề xuất
Educational and Prototyping Boards
The PIC24FJ64GA002-E/SO is a popular choice for educational and prototyping boards due to its manageable 28-pin SOIC package and rich peripheral set. Students and makers can experiment with ADC sampling, UART/SPI/I2C communications, and timer-based PWM generation without the cost penalty of larger 100-pin devices. The 64KB Flash provides ample headroom for bootloader experiments and incremental feature development. According to Microchip's documentation, the chip is fully supported by MPLAB X IDE, the XC16 compiler, and PICkit programmers, making it ideal for university curricula and hobbyist projects.
Được đề xuất
Data Acquisition Module
For data acquisition modules, the PIC24FJ64GA002-E/SO combines a 10-bit ADC with up to 13 input channels, dual UART for sensor and host communications, and SPI for connecting to external high-speed ADCs. The 8KB RAM can buffer acquisition bursts while the 64KB Flash stores configuration tables and calibration coefficients. The wide -40C to +125C temperature range allows deployment in outdoor or factory environments. According to Microchip's datasheet, the ADC supports automatic channel scanning, reducing CPU overhead during multi-channel sweep measurements.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ64GA002-E/SO — 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 | PIC24FJ64GA002-I/SO | PIC24FJ32GA002-E/SO | PIC24FJ48GA002-E/SO |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin SOIC Wide | 28-pin SOIC Wide (same) | 28-pin SOIC Wide (same) | 28-pin SOIC Wide (same) |
| Flash Memory | 64 KB | 64 KB (same) | 32 KB (-50%) | 48 KB (-25%) |
| RAM | 8 KB | 8 KB (same) | 8 KB (same) | 8 KB (same) |
| Maximum CPU Clock | 32 MHz | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| Operating Temperature | -40C to +125C (Extended 'E') | -40C to +85C (Industrial 'I') | -40C to +125C (Extended 'E') | -40C to +125C (Extended 'E') |
| Operating Voltage | 2.0V to 3.6V | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) | 2.0V to 3.6V (same) |
| ADC | 10-bit, up to 13 channels | 10-bit, up to 13 channels (same) | 10-bit, up to 13 channels (same) | 10-bit, up to 13 channels (same) |
| USB Peripheral | No (GA family) | No (same) | No (same) | No (same) |
Bảo phân biệt quan trọng
- Extended -40C to +125C temperature grade (vsPIC24FJ64GA002-I/SO)
- Double the Flash memory of PIC24FJ32GA002 (vsPIC24FJ32GA002-E/SO)
- 28-pin SOIC easy-to-solder package (vsPIC24FJ64GA004 (44-pin TQFP))
Ghi chú thiết kế
Decouple VDD with a 10uF bulk capacitor close to the pin and a 0.1uF ceramic bypass as close to the MCU supply pin as possible. Place the AVDD/AVSS analog supply rail filters (typically 10 ohm ferrite plus 10uF/0.1uF) to keep ADC noise low. The PIC24FJ64GA002-E/SO operates from 2.0V to 3.6V; ensure your LDO has at least 200mV of headroom below 3.6V to avoid regulator dropout during transients.
Route the MCLR pin with a short trace to the reset pull-up resistor and decoupling capacitor to minimize noise injection. The OSC1/OSC2 crystal traces should be short, symmetric, and surrounded by a ground pour to avoid coupling noise into the system clock. Avoid routing high-speed switching signals (PWM, SPI clock) directly parallel to the ADC analog input traces to prevent digital-to-analog crosstalk.
Do not assume the 28-pin and 44-pin variants share pinouts - the PIC24FJ64GA004 has more I/O pins in a larger package. Verify the device configuration bits (FOSC, FWDT, etc.) in your code before locking the MCU, as incorrect config bits are a common cause of bricked boards that cannot be reprogrammed without an ICD. According to Microchip's documentation, the -E grade and -I grade have identical electrical behavior; the only difference is the operating temperature window.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page. The -E grade is industrial extended temperature, not AEC-Q100 qualified. For automotive, choose a dedicated PIC24F AEC-Q100 variant such as PIC24FJ64GA004-I/PT.
