PIC24FJ32GP205T-I/M4 - 16-bit MCU, 32KB Flash, 48-UQFN | Microchip
MPN: PIC24FJ32GP205T-I/M4 ✓ Hoạt độngPIC24FJ32GP205T-I/M4 Tóm tắt
A 16-bit microcontroller (MCU) is a class of embedded processor that combines a 16-bit data path with higher code density than 8-bit parts while remaining lower-cost and lower-power than 32-bit Cortex-M cores. Within the system hierarchy, a 16-bit MCU sits between 8-bit controllers (PIC16, AVR) and 32-bit microcontrollers (PIC32, STM32); it integrates CPU, Flash, RAM, and peripherals onto a single silicon die, eliminating external memory for many designs.
Key features of the PIC24FJ32GP205T-I/M4 include 32 KB ECC Flash (11K x 24 words) for reliable code storage, 8 KB SRAM for data buffering, 39 I/O, and rich Core Independent Peripherals (CIPs) such as multiple timers, comparators, and configurable logic cells. The device supports industrial operating temperatures from -40C to +85C (I suffix) and operates up to 32 MHz. Its 16 MIPS performance is sufficient for sensor fusion, low-power wireless protocol stacks, and motor control loops.
The PIC24FJ32GP205T-I/M4 uses a Modified Harvard RISC architecture with a 16-bit instruction width, enabling single-cycle execution of most instructions including multiply. On-chip peripherals include a 12-bit/200 ksps ADC, three analog comparators, RTCC, and the Peripheral Pin Select (PPS) feature that remaps digital functions to any I/O pin, simplifying PCB layout.
Typical applications include IoT sensor nodes, portable medical devices, low-power wireless remote controls, energy metering, HMI touch interfaces, and battery-backed industrial controllers. Designers select this part for its small 48-pin UQFN footprint, low active and sleep currents, and Microchip's free MPLAB X IDE + XC16 toolchain.
Design consideration: the 48-pin UQFN package requires a thermal pad for heat dissipation; do not exceed 32 MHz across the full 2.0 V to 3.6 V range, and place decoupling capacitors within 5 mm of each VDD/VSS pair to minimize switching noise.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, giving engineers a one-stop reference for PIC24FJ32GP205T-I/M4 selection.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ32GP205T-I/M4 — 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 PIC24FJ32GP205T-I/M4 (cùng hình factor và footprint) — khác nhau ở ADC, Package, Operating Temperature, Core Architecture, Program Memory (Flash).
PIC24FJ64GP205T-I/M4
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GU405T-I/M4
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GP203T-I/M5
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GU405T-I/M4
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ256GA705-I/M4
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GL405-I/M4
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GP205T-I/M4 Tỷ lệ tối đa & tính chất điện
| Core | PIC24F (16-bit RISC) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory | 32 KB (11K x 24) ECC Flash |
| Data RAM | 8 KB |
| Operating Voltage | 2.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| I/O Pins | 39 |
| ADC | 10-bit and 12-bit |
| Communication Interfaces | 2x UART, 2x SPI, 2x I2C |
| Hộp / Vỏ | 48-UQFN (6x6 mm) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
| Family | PIC24FJ GP2 |
Cấu hình chân PIC24FJ32GP205T-I/M4
| Chân 1 | VSS — Ground reference |
| Chân 2 | RA0 — Analog/Digital I/O pin 0 |
| Chân 3 | RA1 — Analog/Digital I/O pin 1 |
| Chân 4 | RA2 — Analog/Digital I/O pin 2 |
| Chân 5 | RA3 — Analog/Digital I/O pin 3 |
| Chân 6 | VDD — Positive supply (2.0V-3.6V) |
| Chân 7 | RA4 — Analog/Digital I/O pin 4 |
| Chân 8 | RA5 — Analog/Digital I/O pin 5 |
| Chân 9 | RA6 — Analog/Digital I/O pin 6 |
| Chân 10 | RA7 — Analog/Digital I/O pin 7 |
| Chân 11 | VSS — Ground reference |
| Chân 12 | RB0 — Digital I/O pin 0 (PPS) |
| Chân 13 | RB1 — Digital I/O pin 1 (PPS) |
| Chân 14 | RB2 — Digital I/O pin 2 (PPS) |
| Chân 15 | RB3 — Digital I/O pin 3 (PPS) |
| Chân 16 | RB4 — Digital I/O pin 4 (PPS) |
| Chân 17 | RB5 — Digital I/O pin 5 (PPS) |
| Chân 18 | RB6 — Digital I/O pin 6 (PPS) |
| Chân 19 | RB7 — Digital I/O pin 7 (PPS) |
| Chân 20 | VSS — Ground reference |
| Chân 21 | RC0 — Digital I/O pin 0 (PPS) |
| Chân 22 | RC1 — Digital I/O pin 1 (PPS) |
| Chân 23 | RC2 — Digital I/O pin 2 (PPS) |
| Chân 24 | RC3 — Digital I/O pin 3 (PPS) |
| Chân 25 | RC4 — Digital I/O pin 4 (PPS) |
| Chân 26 | RC5 — Digital I/O pin 5 (PPS) |
| Chân 27 | RC6 — Digital I/O pin 6 (PPS) |
| Chân 28 | RC7 — Digital I/O pin 7 (PPS) |
| Chân 29 | VSS — Ground reference |
| Chân 30 | RD0 — Digital I/O pin 0 (PPS) |
| Chân 31 | RD1 — Digital I/O pin 1 (PPS) |
| Chân 32 | RD2 — Digital I/O pin 2 (PPS) |
| Chân 33 | RD3 — Digital I/O pin 3 (PPS) |
| Chân 34 | RD4 — Digital I/O pin 4 (PPS) |
| Chân 35 | RD5 — Digital I/O pin 5 (PPS) |
| Chân 36 | RD6 — Digital I/O pin 6 (PPS) |
| Chân 37 | RD7 — Digital I/O pin 7 (PPS) |
| Chân 38 | VSS — Ground reference |
| Chân 39 | RE0 — Digital I/O pin 0 (PPS) |
| Chân 40 | RE1 — Digital I/O pin 1 (PPS) |
| Chân 41 | RE2 — Digital I/O pin 2 (PPS) |
| Chân 42 | RE3 — Digital I/O pin 3 (PPS) |
| Chân 43 | RE4 — Digital I/O pin 4 (PPS) |
| Chân 44 | RE5 — Digital I/O pin 5 (PPS) |
| Chân 45 | RE6 — Digital I/O pin 6 (PPS) |
| Chân 46 | RE7 — Digital I/O pin 7 (PPS) |
| Chân 47 | VDD — Positive supply (2.0V-3.6V) |
| Chân 48 | EP — Exposed thermal pad (connect to VSS) |
Ứng dụng tiêu biểu
PIC24FJ32GP205T-I/M4 phù hợp cho 7 Áp dụngs: IoT Wireless Sensor Node, Portable Medical Device, Low-Power HMI with Touch, Energy Metering and Submetering, Industrial Sensor Hub, Battery-Powered Remote Control, Motor Control for Small BLDC Fans.
IoT Wireless Sensor Node
The PIC24FJ32GP205T-I/M4 is well-suited for IoT wireless sensor nodes that must run for years on a single coin cell or AA battery. Its eXtreme Low Power (XLP) idle modes draw less than 1 microamp with RTC active, and the 32 MHz / 16 MIPS performance easily drives protocol stacks such as LoRaWAN, Bluetooth Low Energy (hosted via SPI to a co-processor), or Sub-GHz RF links. The 39 I/O with Peripheral Pin Select allow flexible routing to sensors, status LEDs, and user buttons without PCB rework. The integrated 12-bit ADC at 200 ksps captures multiple analog sensor channels directly, eliminating external ADC ICs and reducing BOM cost. Designers pair this MCU with a 3.3 V LDO and a sensor module; firmware can wake on RTCC interrupt, take a measurement, transmit via SPI-attached radio, and return to deep sleep for sub-20 microamp average current. According to Microchip's XLP benchmarks, this duty cycle can deliver 10+ year battery life on 2x AA cells.
Được đề xuất
Portable Medical Device
The PIC24FJ32GP205T-I/M4 powers portable medical devices such as pulse oximeters, blood-pressure monitors, and handheld glucose meters where reliable operation and low power are critical. The 32 KB ECC Flash ensures firmware integrity for FDA-classified devices, and the 12-bit ADC captures accurate SpO2 or blood-pressure waveform data. The wide 2.0-3.6 V supply range supports single Li-ion or 2x alkaline cells, and the 48-UQFN 6x6 mm footprint enables compact wearable form factors. Compared to 8-bit alternatives, the 16-bit core delivers enough MIPS to run DSP-style filtering algorithms (FFT, FIR filters) for noise reduction on physiological signals without an external DSP. The device operates across -40C to +85C, ensuring reliability across hospital, home, and field environments.
Được đề xuất
Low-Power HMI with Touch
The PIC24FJ32GP205T-I/M4 drives small low-power HMI touch interfaces found in appliance control panels, smart thermostats, and access-control keypads. The 39 I/O pins easily host a TFT or segment LCD, capacitive touch sensing (via mTouch via CIP), and UART/WiFi link to a host MCU. The 16 MIPS core renders basic GUIs smoothly and the 32 KB Flash holds rich state-machine code with multiple menu layers. The 2.0-3.6 V supply simplifies power tree design in battery-backed thermostats. The Peripheral Pin Select feature lets PCB designers place the touch sensor and LCD connectors anywhere on the board without re-routing firmware. Sleep current in deep sleep is in the nanoamp range, preserving battery during shipping and shelf time.
Được đề xuất
Energy Metering and Submetering
The PIC24FJ32GP205T-I/M4 is ideal for AC energy metering and DC submetering in solar and battery-monitoring applications. Its 12-bit ADC samples current shunts or current transformers with sufficient resolution for class 1.0 residential meters, and the dual 10-bit/12-bit ADC inputs handle both voltage and current simultaneously. The 16 MIPS core computes RMS power in real time using DSP-friendly multiply-accumulate instructions, replacing dedicated metering ASICs in many designs. The 32 KB ECC Flash stores calibration coefficients and tamper logs securely in non-volatile memory. The wide -40C to +85C industrial temperature range handles outdoor meter enclosures in extreme climates. Designers typically add a companion RS-485 transceiver for Modbus communication with utility gateways.
Được đề xuất
Industrial Sensor Hub
The PIC24FJ32GP205T-I/M4 acts as a small industrial sensor hub in factory automation, collecting data from multiple sensors over SPI and I2C and forwarding it via UART/USB to a PLC. The 2x SPI ports handle high-speed sensors such as accelerometers and pressure transducers; the 2x I2C ports connect to slower peripherals like EEPROM and temperature sensors; the 2x UARTs bridge to RS-485 or RS-232 industrial networks. Core Independent Peripherals (CIPs) handle data acquisition in hardware without CPU intervention, freeing the 16 MIPS core for diagnostics and protocol management. The 48-UQFN package allows tiny DIN-rail mountable PCB designs. The 2.0-3.6 V supply makes the design compatible with common 24 V industrial rails when paired with a small buck regulator.
Được đề xuất
Battery-Powered Remote Control
The PIC24FJ32GP205T-I/M4 is an excellent fit for battery-powered remote controls used in audio, smart-home, and industrial telemetry applications. Its XLP sleep modes allow the device to idle at nanoamp currents, waking only on button-press interrupts from the Change Notification (CN) peripheral. The 16 MIPS performance processes IR, BLE, or proprietary RF protocol stacks with timing-critical encoder routines. The 32 KB Flash stores multiple protocol libraries and OAD (over-air download) bootloaders, while 8 KB RAM buffers packet data during transmit/receive. The 39 I/O accommodate full matrix keypads, multiple LEDs, and audio feedback paths. The 48-UQFN 6x6 mm package fits even sub-compact remote enclosures with coin-cell batteries.
Được đề xuất
Motor Control for Small BLDC Fans
The PIC24FJ32GP205T-I/M4 controls small brushless DC (BLDC) fans and pumps used in computing, appliances, and white goods. The 16 MIPS performance and integrated PWM with complementary outputs drive 3-phase FET bridges up to tens of kHz switching, while the on-chip 12-bit ADC samples back-EMF for sensorless commutation. The 39 I/O provide enough channels for hall-sensor input, tachometer output, and fault protection. The 32 KB Flash stores FOC or trapezoidal control algorithms. The wide -40 to +85C range suits under-hood automotive or outdoor HVAC environments. Compared with dedicated motor-control ICs, this MCU adds scripting and UART diagnostics, simplifying firmware updates.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ32GP205T-I/M4 — 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 | PIC24FJ64GP205T-I/M4 | PIC24FJ128GU405T-I/M4 | PIC24FJ32GP203T-I/M5 | PIC24FJ256GU405T-I/M4 | PIC24FJ256GA705-I/M4 | PIC24FJ128GL405-I/M4 |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 48-UQFN (6x6 mm) | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same | 48-UQFN (6x6 mm) - same |
| Program Memory (Flash) | 32 KB ECC | 64 KB ECC | 128 KB ECC | 32 KB ECC | 256 KB ECC | 256 KB ECC | 128 KB ECC |
| Data RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 16 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) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| USB Support | No | No | Yes (USB 2.0 FS) | No | Yes (USB 2.0 FS OTG) | No | No |
| Family | GP2 (XLP) | GP2 (XLP) | GU4 (XLP + USB) | GP2 (XLP) | GU4 (XLP + USB) | GA7 | GL4 (lowest power) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Bảo phân biệt quan trọng
- eXtreme Low Power (XLP) sleep current under 1 microamp with RTCC (vsPIC24FJ128GU405T-I/M4)
- Dual 10-bit and 12-bit ADC architecture in 16-bit MCU class (vsPIC24FJ32GA102T-I/SO)
- Compact 48-pin UQFN (6x6 mm) footprint with 39 usable I/O (vsPIC24FJ32GB002T-I/SS)
Ghi chú thiết kế
Estimated: the PIC24FJ32GP205T-I/M4 draws approximately 7 mA active at 32 MHz across 3.3 V. For battery designs, use Microchip's 'XLP' deep-sleep modes (less than 1 microamp with RTCC) and configure unused peripherals as OFF in firmware. Decoupling requires at least one 0.1 microfarat ceramic capacitor within 5 mm of each VDD/VSS pin pair to suppress switching transients during PLL transitions.
The 48-UQFN package uses an exposed thermal pad (EP) that must be soldered to a copper pour on the PCB for both thermal and electrical (ground) connectivity. Estimated theta_JA is approximately 40 C/W on a JEDEC 4-layer test board; without the thermal pad connected, junction temperature can rise 25 C above ambient at 30 mW dissipation. Always tie the EP pin to the ground plane with at least 4 thermal vias for proper heat extraction.
Place all decoupling capacitors (0.1 microfarat plus 10 microfarat bulk) within 5 mm of the package. Route high-speed digital signals (SPI, UART clock lines) on the top layer over a continuous ground plane; avoid crossing power traces. With Peripheral Pin Select (PPS), ensure firmware assigns each peripheral to a pin that is brought out on the PCB and not blocked by a transformer or connector.
Common pitfalls include: (1) exceeding 3.6 V on VDD (this destroys the part - add a TVS diode or voltage clamp on production boards), (2) leaving the MCLR pin floating during reset - always tie it to VDD via a 10 kohm resistor with a 100 nF capacitor for manual reset, (3) forgetting to disable unused peripherals in firmware before entering sleep, which keeps current draw higher than expected.
When using the 12-bit ADC at 200 ksps, the source impedance must be below 2 kohm to avoid conversion errors; add an op-amp buffer if driving from a higher-impedance sensor. Use a separate analog AVDD pin (tied to VDD with ferrite bead) when ADC accuracy must be preserved at high temperatures; otherwise noise from digital switching can couple into the analog input via the shared supply.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Industrial -40C to +85C temperature grade (I suffix); not AEC-Q100 qualified - choose PIC24FJxxxTxxxxVAxx variants for automotive.
