PIC24FJ32GA002T-I/ML - 16-bit 32MHz 32KB Flash MCU | Microchip
MPN: PIC24FJ32GA002T-I/ML ✓ Hoạt độngPIC24FJ32GA002T-I/ML Tóm tắt
A PIC24F microcontroller is a 16-bit RISC MCU in Microchip's PIC family that uses a modified Harvard architecture with separate program and data buses. Within the broader taxonomy, it sits as: PIC24F MCU -> PIC24 family -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. The "FJ" prefix indicates the eXtreme low-power technology node with nanoWatt sleep modes; the "32" indicates 32 KB Flash; the "GA002" sub-family adds USB, RTCC, and enhanced peripherals; and the "T" suffix denotes Tape & Reel packaging.
Key features include 32 KB (11K x 24) Flash program memory, 8 KB RAM, 21 I/O pins, a 10-bit ADC with up to 13 input channels, multiple PWM/OC outputs, two UART, two SPI, one I2C, an integrated USB 2.0 full-speed transceiver, and a Real-Time Clock/Calendar with alarm. The device operates from 2.0 V to 3.6 V and supports nanoWatt XLP sleep modes drawing less than 100 nA typical in deep sleep.
Architecturally, the PIC24FJ32GA002 uses a 16-bit modified Harvard core with a 16-element x 16-bit working register array, single-cycle bit, byte, and word operations, and hardware multiply/divide. The integrated USB 2.0 full-speed transceiver eliminates external USB PHY components, while the RTCC module with separate 32 kHz oscillator domain keeps time-stamping alive during MCU sleep.
Typical applications include low-power USB peripherals, sensor data loggers, handheld consumer devices, and industrial control nodes where USB connectivity and battery life are both critical.
A primary design consideration is supplying the part from a clean 3.3 V rail within the 2.0 V to 3.6 V window; the internal 1.8 V LDO requires an external bulk capacitor on Vcap. Decoupling 100 nF ceramics near every VDD/VSS pair is mandatory per Microchip reference designs.
This page consolidates distributor pricing, same-family drop-in alternatives, and practical engineering notes not found in a single manufacturer resource.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ32GA002T-I/ML — 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 PIC24FJ32GA002T-I/ML (cùng hình factor và footprint) — khác nhau ở Package, ADC, Program Memory (Flash), Operating Temperature Range, Core Architecture.
PIC24FJ32GA002-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ32GA002T-I/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GA004T-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ32MC102T-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GA002T-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ32GA002T-I/ML Tỷ lệ tối đa & tính chất điện
| Product Type | 16-bit Microcontroller (MCU) |
| Family | PIC® 24F |
| Architecture | 16-bit RISC (Modified Harvard) |
| Core | PIC24F eXtreme Low Power |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 32 KB (11K x 24 words) |
| RAM | 8 KB |
| I/O Pins | 21 |
| Hộp | 28-QFN (6x6 mm) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| ADC | 10-bit, up to 13 channels |
| USB | USB 2.0 Full-Speed integrated transceiver |
| Communication Peripherals | 2x UART, 2x SPI, 1x I2C |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân PIC24FJ32GA002T-I/ML
| Chân 1 | RA0 — I/O port A bit 0 / analog AN0 |
| Chân 2 | RA1 — I/O port A bit 1 / analog AN1 |
| Chân 3 | RA2 — I/O port A bit 2 / analog AN2 |
| Chân 4 | RA3 — I/O port A bit 3 / analog AN3 |
| Chân 5 | VSS — Ground reference |
| Chân 6 | RA4 — I/O port A bit 4 |
| Chân 7 | RA5 — I/O port A bit 5 |
| Chân 8 | VDD — Positive supply voltage 2.0 V to 3.6 V |
| Chân 9 | RB0 — I/O port B bit 0 / programming PGD |
| Chân 10 | RB1 — I/O port B bit 1 / programming PGC |
| Chân 11 | RB2 — I/O port B bit 2 |
| Chân 12 | RB3 — I/O port B bit 3 |
| Chân 13 | RB4 — I/O port B bit 4 |
| Chân 14 | RB5 — I/O port B bit 5 |
| Chân 15 | RB6 — I/O port B bit 6 / ICSCLK |
| Chân 16 | RB7 — I/O port B bit 7 / ICSDAT |
| Chân 17 | RC0 — I/O port C bit 0 |
| Chân 18 | RC1 — I/O port C bit 1 |
| Chân 19 | VDD — Positive supply voltage 2.0 V to 3.6 V |
| Chân 20 | VCAP — Core LDO bypass capacitor pin |
| Chân 21 | RC2 — I/O port C bit 2 |
| Chân 22 | D- — USB D- data line |
| Chân 23 | D+ — USB D+ data line |
| Chân 24 | RC3 — I/O port C bit 3 |
| Chân 25 | RC4 — I/O port C bit 4 |
| Chân 26 | RC5 — I/O port C bit 5 |
| Chân 27 | VSS — Ground reference |
| Chân 28 | RA6 — I/O port A bit 6 / oscillator |
Ứng dụng tiêu biểu
PIC24FJ32GA002T-I/ML phù hợp cho 6 Áp dụngs: USB HID Peripherals, Battery-Powered Sensor Logger, Industrial Control Nodes, Handheld Consumer Devices, Medical Patient Monitoring Accessories, Educational and Hobby Development.
USB HID Peripherals
The PIC24FJ32GA002T-I/ML fits USB Human Interface Device designs with its integrated USB 2.0 full-speed transceiver that eliminates an external PHY, 16 MIPS throughput for HID polling, and 8 KB RAM sufficient for USB descriptors plus report buffers. Its QFN-28 footprint routes the D+/D- pair cleanly, while nanoWatt sleep modes keep the device below 100 nA between user events. Designers place a 27 ohm series resistor pair on each data line, 100 nF decoupling on every VDD pin, and a 10 uF bulk capacitor on Vcap, then run the free Microchip USB stack from MPLAB Code Configurator. A typical HID keyboard draws 20 mA peak at 3.3 V during polling and drops to less than 1 uA in deep sleep - extending battery life over a year.
Được đề xuất
Battery-Powered Sensor Logger
For battery-powered data loggers, the PIC24FJ32GA002T-I/ML delivers 8 KB RAM for circular sample buffers, 32 KB Flash for application + RTCC timestamps, and 32 KHz secondary oscillator for time-stamping during MCU sleep. The Real-Time Clock/Calendar maintains wall-clock time across deep sleep, while the 10-bit ADC captures up to 13 sensor channels with on-chip 1.2 V reference. Using nanoWatt XLP idle modes and selective peripheral gating, average current drops below 5 uA at 1 Hz sample rates, supporting coin-cell operation for months. The QFN-28 6x6 mm package suits compact PCB layouts alongside coin-cell holders and MEMS sensors.
Được đề xuất
Industrial Control Nodes
Industrial control nodes leverage the PIC24FJ32GA002T-I/ML industrial -40C to +85C temperature range, 2.0 V to 3.6 V supply tolerance across noisy 24 V industrial rails (post-regulation), and PPS that maps UART/SPI/I2C to nearly any I/O pin for flexible PCB routing. Its 16 MIPS throughput handles MODBUS RTU framing, two UART channels bridge RS-485 and debug console, and 21 I/O pins drive relays and opto-isolators. Watchdog timer and brown-out reset ensure robust operation in unattended installations. The QFN-28 with thermal pad supports convection-cooled enclosures common in DIN-rail mount controllers.
Được đề xuất
Handheld Consumer Devices
Handheld consumer electronics benefit from the PIC24FJ32GA002T-I/ML sub-microamp sleep current, 32 KB Flash for graphical UI state machines, and integrated USB for charging and firmware update. Its 21 I/O pins drive segment LCDs via charge pump or RGB status LEDs, while the RTCC module drives sleep scheduling. The QFN-28 6x6 mm footprint fits fitness bands and remote controls, and free MPLAB X toolchain slashes firmware development cost. End-product BOM savings come from the integrated USB PHY, eliminating external USB interface chips common in Cortex-M0 designs.
Được đề xuất
Medical Patient Monitoring Accessories
For medical accessory designs such as pulse-oximeter probes and wearable monitors, the PIC24FJ32GA002T-I/ML combines a 10-bit ADC for vitals sensors, USB for tethered data transfer, and ultra-low deep-sleep current to preserve battery life between patient sessions. The 32 KB Flash accommodates trending algorithms and BLE-over-USB bridging stacks, while PPS allows the PCB designer to route analog and digital grounds independently. The 28-QFN footprint integrates cleanly with small form-factor medical device PCBs, and -40C to +85C industrial rating covers clinical environment swings.
Được đề xuất
Educational and Hobby Development
Hobbyists and university labs benefit from the PIC24FJ32GA002T-I/ML free MPLAB X IDE and XC16 compiler, the integrated USB for easy bootloader access, and the rich PIC24F peripheral set that introduces students to RTCC, PPS, and DMA-like features. The 32 KB Flash is generous for class projects and USB-based labs, while the QFN-28 breakout board options from MikroElektronika and Digilent simplify hand-soldering. nanoWatt XLP sleep teaches power-conscious design - relevant across all modern MCUs - and the PIC24F architecture bridges naturally toward dsPIC and PIC32 families for advanced coursework.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ32GA002T-I/ML — 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 | PIC24FJ32GA002-I/ML | PIC24FJ32GA002T-I/SO | PIC24FJ32GA004T-I/ML | PIC24FJ32MC102T-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Flash | 32 KB | 32 KB | 32 KB | 64 KB (+100%) | 32 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Supply 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 | 2.0 V to 3.6 V |
| USB | USB 2.0 Full-Speed integrated | USB 2.0 Full-Speed integrated | USB 2.0 Full-Speed integrated | USB 2.0 Full-Speed integrated | USB 2.0 Full-Speed integrated |
| I/O Pins | 21 | 21 | 21 | 21 | 21 |
| Packaging Variant | Tape & Reel (T suffix) | Tray (no T suffix) | Tape & Reel | Tape & Reel | Tape & Reel |
Bảo phân biệt quan trọng
- Integrated USB 2.0 Full-Speed transceiver (vsPIC24FJ32MC102T-I/ML)
- 32 KB Flash in QFN-28 with PPS flexibility (vsPIC24FJ16GA002T-I/ML)
- nanoWatt XLP deep sleep under 100 nA (vsTypical Cortex-M0+ MCU)
Ghi chú thiết kế
The PIC24FJ32GA002T-I/ML core runs from a 1.8 V internal LDO that requires a low-ESR 10 uF ceramic bypass capacitor on the VCAP pin (pin 20). Place the VCAP cap within 5 mm of the pin with a wide ground trace to prevent core-voltage sag under USB load transients. Both VDD pins (8, 19) need 100 nF decoupling each, and both VSS pins (5, 27) require short, low-inductance returns. For battery-powered designs, use the nanoWatt XLP sleep modes with the secondary 32 kHz oscillator driving the RTCC to drop quiescent current below 100 nA typical.
Route the USB D+ and D- lines as a 90-ohm differential pair on the top layer with continuous ground plane beneath. Place the 27 ohm series resistors within 5 mm of the MCU pins and add a 15 kB pull-up on D+ for full-speed signaling. The QFN-28 thermal pad must be soldered to a 4 mm x 4 mm minimum copper pour stitched with thermal vias to the ground plane. Keep digital switching traces (PWM, SPI clock) more than 5 mm away from analog ADC traces to limit crosstalk into the 10-bit ADC measurements.
Do not omit the VCAP bypass capacitor - the MCU will not start without it. Ensure the MCLR pin is pulled high with a 10 kB resistor and a 100 nF cap to ground for noise immunity. PPS (Peripheral Pin Select) must be unlocked via the IOLOCK bit in OSCCON before remapping; forgetting this sequence is a frequent cause of 'dead' prototypes. When migrating from PIC24FJ32GA002 to PIC24FJ32GA004, double-check the Configuration Word settings - the larger Flash variant may default to different code-protect and WDT defaults that lock the device after programming.
Thông tin tuân thủ
RoHS/REACH compliant per Microchip product page. Industrial -40C to +85C grade only; AEC-Q100 automotive variants are not available in this PIC24FJ32GA002 family - consider PIC24FJ32GA002T-I/ML automotive-equivalent PIC24FJ32 family for non-automotive designs.
