PIC24FJ48GA002T-I/SS - 16-bit 32MHz 48KB Flash MCU 28-SSOP | Microchip
MPN: PIC24FJ48GA002T-I/SS ✓ Hoạt độngPIC24FJ48GA002T-I/SS Tóm tắt
A 16-bit microcontroller is an embedded processor that fetches instructions from Flash, executes them on a wider datapath than an 8-bit MCU, and exposes on-chip peripherals such as ADC, timers, UART, I²C, SPI and PWM. PIC24F devices sit in the hierarchy: microcontroller -> embedded MCU -> 16-bit MCU -> PIC24F family -> low-power "nanoWatt" branch of Microchip's portfolio, targeting portable and consumer products where active MIPS-per-milliwatt efficiency matters.
Key features include a 16-channel 10-bit ADC with 500 ksps conversion rate, four 16-bit timers, two UART, two SPI and two I²C peripherals, a Parallel Master Port (PMP) for external graphics or memory, a Real-Time Clock & Calendar (RTCC), up to 21 GPIO, and the nanoWatt power-management modes (Sleep, Idle, Deep Sleep) that drop quiescent current into the microamp range. The integrated 8 MHz internal RC oscillator with PLL to 32 MHz eliminates an external crystal in many designs.
Architecturally, the device uses a modified Harvard core with separate 16-bit instruction and 8/16-bit data paths, hardware 17×17 multiply and 32/16-bit divide in one cycle, and a C-compiler-friendly orthogonal instruction set. Programmable peripherals are mapped through PPS (Peripheral Pin Select) on most PIC24F derivatives, easing PCB routing in the 28-pin footprint.
Typical applications include USB/USB-OTG device controllers (with the on-chip USB transceiver), portable medical and fitness instruments, smart energy and metering nodes, white-goods user interfaces, sensor hubs, and low-cost graphics HMI panels driven via the PMP bus. The wide -40 °C to +85 °C range also fits industrial sensing and motor control signal-conditioning front-ends.
When designing with the PIC24FJ48GA002T-I/SS, use MPLAB® X IDE plus MPLAB XC16 compiler for firmware, and target the Explorer 16/32 development board PIM socket for code bring-up. Leave a 4.7 µF bulk + 0.1 µF decoupling pair within 5 mm of VDD, and tie all unused I/O to defined logic levels to minimize Sleep-mode current leakage.
This page synthesizes distributor pricing, drop-in PIC24F alternatives, and practical design notes not found in a single manufacturer PDF, helping engineers compare, select, and source this 28-SSOP PIC24F part with confidence.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ48GA002T-I/SS — 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 PIC24FJ48GA002T-I/SS (cùng hình factor và footprint) — khác nhau ở ADC, Core, Operating Temperature, Package, Timers.
PIC24FJ48GA002-I/SS
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| Series | PIC® 24F |
| Core | PIC24 (16-bit modified Harvard) |
| Program Memory | 48 KB Flash (16K × 24) |
| RAM | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 2.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC | 10-bit, 16-channel, 500 ksps |
| Timers | Four 16-bit timers |
| Communication | 2× UART, 2× SPI, 2× I²C |
| USB | USB 2.0 Full-Speed Device/OTG |
| Parallel Master Port (PMP) | Yes |
| Real-Time Clock (RTCC) | Yes |
| Hộp | 28-SSOP (5.30 mm body) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40 °C to +85 °C (Industrial) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ48GA002T-I/SS
| Chân 1 | RA0 — Analog/Digital I/O, AN0 |
| Chân 2 | RA1 — Analog/Digital I/O, AN1 |
| Chân 3 | RA2 — Analog/Digital I/O, AN2 |
| Chân 4 | RA3 — Analog/Digital I/O, AN3, VREF+ |
| Chân 5 | RA4 — Analog/Digital I/O, AN4 |
| Chân 6 | AVDD — Analog supply |
| Chân 7 | AVSS — Analog ground |
| Chân 8 | RA7 — Digital I/O |
| Chân 9 | RA8 — Digital I/O |
| Chân 10 | RA9 — Digital I/O |
| Chân 11 | RB0 — Digital I/O, PGED1 |
| Chân 12 | RB1 — Digital I/O, PGEC1 |
| Chân 13 | RB2 — Digital I/O |
| Chân 14 | RB3 — Digital I/O |
| Chân 15 | VSS — Digital ground |
| Chân 16 | VDD — Digital supply (2.0–3.6 V) |
| Chân 17 | RB4 — Digital I/O |
| Chân 18 | RB5 — Digital I/O, USB D- |
| Chân 19 | RB6 — Digital I/O, USB D+ |
| Chân 20 | RB7 — Digital I/O |
| Chân 21 | RB8 — Digital I/O |
| Chân 22 | RB9 — Digital I/O |
| Chân 23 | RC0 — Digital I/O |
| Chân 24 | RC1 — Digital I/O |
| Chân 25 | RC2 — Digital I/O |
| Chân 26 | RC3 — Digital I/O |
| Chân 27 | RC4 — Digital I/O |
| Chân 28 | RC5 — Digital I/O |
Ứng dụng tiêu biểu
PIC24FJ48GA002T-I/SS phù hợp cho 6 Áp dụngs: USB HID / CDC Device, Portable Medical & Fitness Devices, Smart Metering & Energy Nodes, White Goods User Interface, Sensor Hub with Graphics HMI, Industrial Sensor Conditioning Front-End.
USB HID / CDC Device
The PIC24FJ48GA002T-I/SS integrates a USB 2.0 Full-Speed Device/OTG transceiver with on-chip pull-up resistors and 48 MHz-capable PLL, allowing designers to implement HID, CDC, MSD, or vendor-class USB devices with no external USB PHY. Its 48 KB Flash is enough for Microchip's USB stack plus application logic, while the 10-bit 500 ksps ADC handles analog sensors feeding the USB endpoint. Place a 0.1 µF decoupling capacitor within 5 mm of VDD, and use 90 Ω differential impedance on the D+/D- traces to meet USB FS signal-integrity requirements. The 16 MIPS CPU ensures comfortable headroom for USB polling plus control logic.
Được đề xuất
Portable Medical & Fitness Devices
The PIC24FJ48GA002T-I/SS is well suited to battery-powered medical and fitness products because its nanoWatt Sleep, Idle and Deep Sleep modes drop quiescent current into the microamp range, while the 2.0 V minimum VDD allows direct connection to a single Li-ion or two AA cells. The 10-bit 16-channel ADC with 500 ksps sampling supports heart-rate, SpO2, temperature and motion sensor front-ends; the integrated RTCC handles time-stamping and sleep scheduling. The 28-SSOP package keeps the BOM small and the 32 MHz core runs display refresh, BLE coordination via a UART-attached module, and signal-processing tasks comfortably.
Được đề xuất
Smart Metering & Energy Nodes
The PIC24FJ48GA002T-I/SS provides the precision ADC, RTCC, and serial peripherals needed for residential smart-meter, submetering, or wireless sensor-node designs. Two UARTs run concurrent links to a PLC modem and a sub-GHz radio module, while two I²C channels attach EEPROM and energy-metering AFE chips. The 48 KB Flash fits metering firmware plus over-the-air upgrade bootloaders, and the 8 KB RAM absorbs measurement buffers. With the industrial -40 °C to +85 °C range and 3.6 V VDD tolerance, this MCU works inside sealed enclosures across mains-supplied or solar-battery deployments.
Được đề xuất
White Goods User Interface
In washing machines, dishwashers, ovens and refrigerators, the PIC24FJ48GA002T-I/SS serves as the user-interface controller driving segmented LCDs via the on-chip PMP, scanning capacitive touch pads with the 10-bit ADC, and serializing control commands back to the appliance main MCU. Its 21 GPIO accommodate keypad rows/columns plus indicator LEDs, and the parallel master port streams display data without burdening the CPU. The 28-SSOP footprint is easy to drop onto appliance mainboards, and the industrial temperature range supports garage or unheated-room installations. The integrated RTCC maintains time-of-day for delayed-start cycles across power events.
Được đề xuất
Sensor Hub with Graphics HMI
The PIC24FJ48GA002T-I/SS combined with its parallel master port (PMP) drives small QVGA or WQVGA TFT panels, enabling sensor-hub designs that need a local graphical display. The 48 KB Flash and 8 KB RAM fit a lightweight graphics library plus protocol stacks (Modbus, I²C sensor aggregation), and the 16 MIPS CPU delivers smooth menu rendering. Up to 16 ADC channels aggregate analog sensors at 500 ksps total throughput, while SPI/I²C buses attach digital sensors and external memory. The result is a compact single-chip HMI controller for industrial monitors and bench instruments.
Được đề xuất
Industrial Sensor Conditioning Front-End
For PLC analog-input cards, 4–20 mA loop receivers, or strain-gauge signal conditioning, the PIC24FJ48GA002T-I/SS digitizes bridge outputs through its 10-bit ADC, performs offset/gain compensation in firmware, and transmits calibrated readings via UART, SPI, or I²C to the host controller. The 2.0–3.6 V supply and industrial -40 °C to +85 °C rating ensure operation in factory cabinets. The PMP can drive status LEDs or a small character display, and the RTCC timestamps logged events. The nanoWatt Sleep modes minimize power when the loop is idle between samples.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ48GA002T-I/SS — 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 | PIC24FJ48GA002-I/SS | PIC24FJ48GA002T-I/SO | PIC24FJ48GA002T-I/ML | PIC24FJ48GA002-I/SO | PIC24FJ48GA002-E/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-SSOP | 28-SSOP (same) | 28-SOIC (different footprint) | 28-QFN (different footprint) | 28-SOIC (different footprint) | 28-SOIC (different footprint) |
| Flash / RAM | 48 KB / 8 KB | 48 KB / 8 KB | 48 KB / 8 KB | 48 KB / 8 KB | 48 KB / 8 KB | 48 KB / 8 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating Voltage | 2.0–3.6 V | 2.0–3.6 V | 2.0–3.6 V | 2.0–3.6 V | 2.0–3.6 V | 2.0–3.6 V |
| Temperature Range | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C (Extended) |
| Shipping Media | Tape & Reel | Tube | Tape & Reel | Tape & Reel | Tube | Tube |
| Pin-Compatible Footprint | Yes (28-SSOP) | Yes | No (SOIC-28 body 7.50 mm) | No (QFN-28 land pattern) | No (SOIC-28 body 7.50 mm) | No (SOIC-28 body 7.50 mm) |
Bảo phân biệt quan trọng
- Tape & Reel factory packaging for SMT assembly (vsPIC24FJ48GA002-I/SS)
- Industrial temperature grade (-40 °C to +85 °C) (vsPIC24FJ48GA002-E/SO)
- Same 28-SSOP footprint as PIC24FJ48GA002-I/SS for direct swap (vsPIC24FJ48GA002T-I/SO)
- Integrated USB 2.0 Full-Speed device/OTG transceiver (vsPIC24FJ48GA002T-I/ML (QFN-28))
Ghi chú thiết kế
Place a 4.7 µF bulk tantalum or ceramic in parallel with a 0.1 µF decoupling capacitor within 5 mm of the VDD pin, and replicate the same pair on AVDD when using the ADC. The PIC24FJ48GA002T-I/SS operates from 2.0 V to 3.6 V; running it from a switching regulator's output ripple (typically 30–50 mVpp) can couple into the ADC, so a low-noise LDO (e.g., MCP1700) between the switcher and VDD is recommended for precision analog designs.
Use 90 Ω differential impedance (±10%) on the USB D+/D- traces (RB5/RB6) and route them parallel with matched lengths and a continuous ground reference plane underneath. Keep USB traces short (≤ 50 mm), avoid splits in the ground plane, and add ESD protection (e.g., USBLC6-2SC6) at the connector. For programming, keep the ICSP PGEC1/PGED1 pair (RB1/RB0) accessible or expose a 5-pin ICSP header for production-line firmware update.
Do not leave any GPIO floating: tie unused pins to defined logic (VDD or VSS through 10 kΩ) to minimize Sleep-mode current leakage, which the datasheet (DS39763E) rates at < 1 µA only with all I/O terminated. Also note that the device's VUSB pin must be tied to VDD even when USB is unused; failing to do this can leave the on-chip USB transceiver in an undefined state. Finally, when migrating from PIC24FJ64GA004 to PIC24FJ48GA002, verify your linker script against the smaller 48 KB Flash window — code that fit comfortably on the 64 KB part may fail to link on the GA002.
The 28-SSOP package has a theta-JA of approximately 80 °C/W (per Microchip package thermal data), so at 32 MHz / 3.3 V the typical 15 mA active current (≈ 50 mW) raises junction temperature by only 4 °C above ambient — no heatsink needed. In Deep Sleep at < 1 µA, thermal concerns vanish entirely; verify that the chosen LDO's quiescent current (MCP1700 = 1.6 µA typ.) does not dominate the Sleep budget.
Thông tin tuân thủ
RoHS / REACH compliant per Microchip product environmental certifications page. The PIC24FJ family is commercial/industrial grade — not AEC-Q100 qualified for automotive; for AEC-Q100, choose PIC24FJxxx automotive variants.
