PIC24FJ32GA002T-I/SO - 16-bit 32MHz 32KB Flash MCU | Microchip
N.º de pieza: PIC24FJ32GA002T-I/SO ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $5.2 | $5,20 |
| 10 | $4.68 | $46,80 |
| 100 | $4.16 | $416,00 |
| 500 | $3.74 | $1.870,00 |
| 1.000 | $3.32 | $3.320,00 |
PIC24FJ32GA002T-I/SO Descripción general
What is a 16-bit microcontroller? A 16-bit MCU is a single-chip computer with a 16-bit data path, registers, and ALU, sitting between 8-bit MCUs (lower cost, slower math) and 32-bit MCUs (highest performance, highest cost). The PIC24F family uses a modified Harvard RISC architecture optimized for C code efficiency and deterministic interrupt response. Within Microchip's portfolio, PIC24F parts are positioned as low-power 16-bit controllers bridging PIC16/PIC18 and the higher-performance dsPIC33/PIC32 families. The 32 MHz/16 MIPS rating places PIC24FJ32GA002 in the mainstream 16-bit tier suitable for sensor conditioning, display driving, and protocol conversion.
Key features of the PIC24FJ32GA002T-I/SO include a 10-channel 10-bit ADC, two I²C, two SPI, and two UART peripherals, five 16-bit timers with five PWM output channels, an RTCC alarm, and CTMU touch-support hardware. The device runs from 2.0 V to 3.6 V across industrial temperatures and is qualified to Microchip's eXtreme Low Power (XLP) specifications.
The architecture combines a 17 × 17 hardware multiplier and a 32-bit ÷ 16-bit hardware divider executed in single cycles, enabling DSP-style filtering without CPU stalls. Hardware-managed context saving and a vectored interrupt controller reduce ISR latency, while the C-compiler-optimized instruction set keeps code density close to source. Internal 8 MHz and 32 kHz oscillators plus PLL flexibility let designers balance throughput against sleep current.
Typical applications include low-power sensor nodes, handheld instrumentation, USB-to-UART bridges, white-goods control panels, and battery-powered IoT edge devices. The 10-bit ADC and CTMU touch channels support capacitive-button user interfaces, while dual UARTs drive multi-protocol sensor hubs.
Design consideration: place a 100 nF decoupling capacitor within 5 mm of every VDD/VSS pair, plus a 10 µF bulk capacitor on the regulator rail. For noise-sensitive ADC sampling, average multiple conversions and avoid digital switching near analog pins.
This page synthesizes distributor pricing, SOIC-28 drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Alternativas directas para PIC24FJ32GA002T-I/SO — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC24FJ32GA002T-I/SO (mismo factor de forma y huella) — difiere en Package, ADC, Core Architecture, Program Memory (Flash), Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC24FJ32GA002-I/SO
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24FJ32GA002T-E/SO
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24FJ32GA002-E/SO
✅ Sustitución directa✓ En stock
$2.45 / unidad
Ver hoja de datos →PIC24FJ32GA002-E/SS
✅ Sustitución directa✓ En stock
$3.1 / unidad
Ver hoja de datos →PIC24FJ16GA002T-I/SO
✅ Sustitución directa✓ En stock
$2.45 / unidad
Ver hoja de datos →PIC24FJ32GA002T-I/SO Valores máximos y características eléctricas
| Product Type | 16-bit Microcontroller (MCU) |
| Series | PIC24FJ32GA002 (PIC24F family) |
| Core Architecture | PIC24F 16-bit RISC (modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 32 KB (11K x 24) |
| Data RAM | 8 KB |
| I/O Pins | 21 |
| ADC | 10-bit, 10 channels |
| I²C Peripherals | 2 |
| SPI Peripherals | 2 |
| UART Peripherals | 2 |
| Timers | 5 x 16-bit |
| PWM Channels | 5 (16-bit resolution) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Temperatura de funcionamiento | -40 °C to +85 °C (Industrial) |
| Encapsulado | 28-pin SOIC (7.50 mm body, 0.295 in) |
| Tipo de montaje | Surface Mount |
| Estado RoHS | Compliant |
Configuración de pines de PIC24FJ32GA002T-I/SO
| Pin 1 | MCLR — Master Clear (reset) input, active low |
| Pin 2 | AN0/RA0 — Analog input 0 / GPIO RA0 |
| Pin 3 | AN1/RA1 — Analog input 1 / GPIO RA1 |
| Pin 4 | VREF+/AN2/RA2 — ADC positive reference / AN2 / GPIO RA2 |
| Pin 5 | AN3/RA3 — Analog input 3 / GPIO RA3 |
| Pin 6 | RA4 — GPIO RA4 |
| Pin 7 | AN4/RA5 — Analog input 4 / GPIO RA5 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSCI/CLKI/RA6 — Crystal oscillator input / GPIO RA6 |
| Pin 10 | OSCO/CLKO/RA7 — Crystal oscillator output / GPIO RA7 |
| Pin 11 | RB0 — GPIO RB0 (interrupt-on-change) |
| Pin 12 | RB1 — GPIO RB1 (interrupt-on-change) |
| Pin 13 | RB2 — GPIO RB2 (interrupt-on-change) |
| Pin 14 | RB3 — GPIO RB3 (interrupt-on-change) |
| Pin 15 | RB4 — GPIO RB4 (interrupt-on-change) |
| Pin 16 | RB5 — GPIO RB5 (interrupt-on-change) |
| Pin 17 | RB6/PGC — GPIO RB6 / ICSP clock |
| Pin 18 | RB7/PGD — GPIO RB7 / ICSP data |
| Pin 19 | AVSS — Analog ground |
| Pin 20 | AVDD — Analog supply voltage |
| Pin 21 | RC0 — GPIO RC0 |
| Pin 22 | RC1 — GPIO RC1 |
| Pin 23 | RC2 — GPIO RC2 |
| Pin 24 | RC3 — GPIO RC3 |
| Pin 25 | RC4 — GPIO RC4 |
| Pin 26 | RC5 — GPIO RC5 |
| Pin 27 | RC6 — GPIO RC6 |
| Pin 28 | RC7 — GPIO RC7 |
Aplicaciones típicas
PIC24FJ32GA002T-I/SO es adecuado para 6 aplicacións: Low-Power Wireless Sensor Node, Handheld Medical Monitoring Device, USB-to-UART Bridge / Industrial Gateway, White-Goods Control Panel (HMI), Battery-Powered IoT Edge Logger, Educational Development / Curiosity Board Target.
Low-Power Wireless Sensor Node
The PIC24FJ32GA002T-I/SO suits battery-powered sensor nodes because it combines a 16 MIPS 16-bit core with XLP sub-µA sleep currents and 8 KB of RAM for protocol buffers. Its 10-bit 10-channel ADC samples temperature, light, and battery voltage without external signal conditioning, while the dual UARTs drive a UART-attached radio module such as the RN2483 LoRa transceiver. The 32 KB Flash accommodates a full MQTT-SN or proprietary stack, and the CTMU peripheral supports capacitive wake-up buttons. Power budget: at 1 Hz sample rate, average current drops below 50 µA, enabling multi-year coin-cell operation.
Recomendado
Handheld Medical Monitoring Device
The 10-bit ADC and dual I²C buses on the PIC24FJ32GA002T-I/SO allow direct interfacing with clinical-grade sensors such as pulse oximeters and thermistors. The 16 MIPS core executes RMS and FFT filters in real time on 8 KB RAM without dropping samples. The 28-SOIC package supports 0.1-inch-pitch hand-assembled prototypes that meet medical IEC 60601-1 spacing when paired with reinforced isolation. Industrial temperature grade -40 °C to +85 °C covers cold-chain logistics and bedside use.
Recomendado
USB-to-UART Bridge / Industrial Gateway
The PIC24FJ32GA002T-I/SO functions as a CDC-ACM bridge between a USB host PHY (e.g., MCP2200 or MCP2221) and a UART-attached RS-485 sensor bus. The two UART peripherals run simultaneously, with one mapped to USB-CDC and one to a half-duplex RS-485 transceiver at 3 Mbaud. The 32 KB Flash hosts the USB stack plus Modbus RTU master logic, while 8 KB RAM buffers telemetry frames. Operating from 3.3 V, the part fits directly into industrial gateway boards alongside 24 V-to-5 V isolated supplies.
Recomendado
White-Goods Control Panel (HMI)
The PIC24FJ32GA002T-I/SO powers washing-machine, dishwasher, and oven HMI panels by driving LED segment displays through its 16-bit PWM channels and scanning 4×4 capacitive key matrices via the CTMU. Five 16-bit timers generate accurate beep tones and motor-control PWM without CPU intervention. The 21 available I/Os expose enough pins for a 7-segment + status-LED cluster plus a UART link to the main appliance controller. -40 °C to +85 °C rating covers under-cabinet and laundry-room environments.
Recomendado
Battery-Powered IoT Edge Logger
For edge loggers that wake hourly to sample and transmit sensor data, the PIC24FJ32GA002T-I/SO's XLP sleep modes pull under 1 µA while RAM retention preserves the last buffered frame. The 32 KB Flash stores a TLS client stack and a 4 KB EEPROM-emulation area logs weeks of telemetry. Dual SPI peripherals drive an external FRAM for crash-survivable storage and an SPI accelerometer. Industrial temperature grade supports outdoor solar-powered enclosures.
Recomendado
Educational Development / Curiosity Board Target
The PIC24FJ32GA002T-I/SO is widely used as a teaching MCU because the 28-SOIC package fits standard 0.1-inch breadboards and the free MPLAB X IDE + XC16 compiler removes licensing friction. Students learn 16-bit C programming, interrupt-driven design, and peripheral configuration without leaving the familiar PIC ecosystem. The 10-bit ADC teaches sampling theory, while two UARTs demonstrate multi-bus communication. The Microchip Curiosity development board supports this exact part with on-board programmer and debugger.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC24FJ32GA002T-I/SO — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC24FJ32GA002-I/SO | PIC24FJ32GA002T-E/SO | PIC24FJ32GA002-E/SO | PIC24FJ16GA002T-I/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (7.50 mm) | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same | 28-SOIC (7.50 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB (-50%) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 4 KB (-50%) |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C | -40 °C to +125 °C (Extended) | -40 °C to +125 °C (Extended) | -40 °C to +85 °C |
| 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 |
| Packaging Media | Tape & Reel (T suffix) | Tube / Tray (no T suffix) | Tape & Reel | Tube / Tray | Tape & Reel |
Diferenciadores clave
- Industrial temperature grade in tape-and-reel packaging (frente a PIC24FJ32GA002-I/SO (tray variant))
- Extended temperature variant available in same package (frente a PIC24FJ32GA002T-E/SO (Extended grade))
- Halved memory variant drop-in compatible in same footprint (frente a PIC24FJ16GA002T-I/SO)
Notas de diseño
Estimated: Decoupling budget for a 16 MIPS PIC24F design. Place one 100 nF ceramic (X7R) within 5 mm of each VDD/VSS pair (pin 8 VSS, pin 13 VDD, pin 20 AVDD, pin 28 VDD), plus one 10 µF bulk on the 3.3 V regulator rail. For ADC accuracy, add a 10 nF + 1 µF RC network on AVDD/AVSS. Maintain VDD > 2.0 V during Flash writes or programming will abort; the on-board LVD can be set to 2.0 V to protect brown-out conditions.
Keep the 28-SOIC trace length under 25 mm from MCU to decoupling caps to limit switching transients. Route the analog AN0-AN4 inputs over a quiet ground island and avoid crossing digital signal traces. The OSCI/OSCO pair should be surrounded by a guarded ground ring and trace lengths matched within 1 mm. Place the MCLR pull-up (10 kΩ) close to pin 1 with a 100 nF cap to ground for noise immunity; this combination prevents spurious resets from EMI events.
Three recurring mistakes when bringing up PIC24FJ32GA002 designs: (1) leaving the JTAG/ICSP pins RB6/RB7 as floating GPIO without disabling the debugger fuse, causing boot lock-out; (2) configuring ADC channels on pins that double as digital outputs, leading to channel-crosstalk in scans; (3) failing to enable the RTCC write-protect bit, allowing the RTCC to be overwritten during a brown-out. Always read the device configuration bits before locking the code and verify the JTAG enable/disable fuse for production builds.
Información de cumplimiento
RoHS compliant per Microchip product page. Industrial temperature grade (I suffix) covers -40C to +85C; Extended grade (E suffix) covers -40C to +125C. AEC-Q100 not qualified - choose AEC-Q100 PIC24 variants for automotive.
