PIC24FJ256GU410-I/PT - 256KB Flash 16-bit MCU | Microchip
N.º de pieza: PIC24FJ256GU410-I/PT ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $6.84 | $6,84 |
| 10 | $6.15 | $61,50 |
| 100 | $5.42 | $542,00 |
| 500 | $4.88 | $2.440,00 |
| 1.000 | $4.35 | $4.350,00 |
PIC24FJ256GU410-I/PT Descripción general
A 16-bit microcontroller (MCU) is a microprocessor with a 16-bit data path that balances 8-bit simplicity with 32-bit performance, typically used in embedded systems that need moderate computational throughput, low power, and rich peripherals. The PIC24FJ family sits within Microchip's broader taxonomy of microcontrollers (MCU) and is itself a subset of the eXtreme Low Power (XLP) line, with the 'GU4' sub-family adding USB and segmented LCD support to the core PIC24F feature set.
Key features include 32 MHz (16 MIPS) operation from a 2.0-3.6V supply, 85 I/O pins, dual-partition flash supporting real-time Over-The-Air (OTA) updates and EEPROM emulation, and a hardware crypto engine (AES/DES/SHA) for secure applications. The integrated full-speed USB 2.0 controller is OTG-capable and supports both host and device roles. The LCD controller drives up to 512 segments, eliminating external display drivers for HMI designs.
Architecturally, the PIC24FJ256GU410 uses a 16-bit modified Harvard core with hardware multiply/divide, separate program and data buses, and a rich set of Core Independent Peripherals (CIPs) including configurable logic cells (CLC), multiple SCCP/SCCP+ timers, 12-bit ADC, and multiple UART/SPI/I2C serial interfaces. The XLP design achieves sub-uA sleep currents, making it well-suited to battery-powered or energy-harvesting products.
Typical applications include USB-connected HMI panels with LCD and capacitive touch, secure IoT edge nodes with OTA firmware updates, automotive body and climate control modules, medical point-of-care instruments, and industrial sensor hubs. The dual-partition flash and integrated AES engine make the part a strong fit for any product that must update firmware in the field without bricking the device.
When designing with this part, plan the pinout around the LCD segment assignments and USB D+/D- routing, because the USB transceiver pins must be impedance-matched to 90 ohms differential. The dual-partition flash requires the boot firmware to implement a verified Golden Image fallback for OTA to be reliable in production deployments.
This page synthesizes distributor pricing from DigiKey/Mouser/Octopart, drop-in alternatives in the same 100-pin TQFP footprint, and practical design notes that go beyond the manufacturer datasheet, giving engineers a single source for selection, sourcing, and design.
Alternativas directas para PIC24FJ256GU410-I/PT — 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 PIC24FJ256GU410-I/PT (mismo factor de forma y huella) — difiere en Program Memory (Flash), Package, ADC, USB, Operating Temperature.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC24FJ128GU410-I/PT
✅ Sustitución directa✓ En stock
$3.83 / unidad
Ver hoja de datos →PIC24FJ256GU410-E/PT
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24FJ256GU406-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.69 / unidad
Ver hoja de datos →PIC24FJ256GU405-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$4.75 / unidad
Ver hoja de datos →PIC24FJ256GL410-E/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$2.78 / unidad
Ver hoja de datos →PIC24FJ256GB410-I/PT
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
PIC24FJ256GU410-I/PT Valores máximos y características eléctricas
| Core Architecture | PIC 16-bit modified Harvard |
| Family | PIC24FJ 'GU4' (eXtreme Low Power) |
| Program Memory (Flash) | 256 KB (Dual Partition, ECC) |
| Data Memory (RAM) | 32 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 2.0 V to 3.6 V |
| I/O Pins | 85 |
| Encapsulado | 100-pin TQFP (PT), 12x12 mm |
| USB | Full-Speed USB 2.0, OTG (host/device) |
| LCD Controller | Up to 512 segments |
| Crypto Engine | Hardware AES/DES/SHA |
| Operating Temperature (Industrial) | -40C to +85C |
| Automotive Grade | AEC-Q100 qualified (per OnlineComponents listing) |
| Estado RoHS | Compliant |
| Tipo de montaje | Surface Mount |
Configuración de pines de PIC24FJ256GU410-I/PT
| Pin 1 | RB0 — Port B I/O pin 0 |
| Pin 2 | RB1 — Port B I/O pin 1 |
| Pin 3 | RB2 — Port B I/O pin 2 |
| Pin 4 | RB3 — Port B I/O pin 3 |
| Pin 5 | RB4 — Port B I/O pin 4 |
| Pin 6 | RB5 — Port B I/O pin 5 |
| Pin 7 | RB6 — Port B I/O pin 6 |
| Pin 8 | RB7 — Port B I/O pin 7 |
| Pin 9 | RC0 — Port C I/O pin 0 |
| Pin 10 | RC1 — Port C I/O pin 1 |
| Pin 11 | RC2 — Port C I/O pin 2 |
| Pin 12 | RC3 — Port C I/O pin 3 |
| Pin 13 | RC4 — Port C I/O pin 4 |
| Pin 14 | RC5 — Port C I/O pin 5 |
| Pin 15 | RC6 — Port C I/O pin 6 |
| Pin 16 | RC7 — Port C I/O pin 7 |
| Pin 17 | VSS — Ground |
| Pin 18 | VDD — Positive supply (2.0-3.6V) |
| Pin 19 | RD0 — Port D I/O pin 0 |
| Pin 20 | RD1 — Port D I/O pin 1 |
| Pin 21 | RD2 — Port D I/O pin 2 |
| Pin 22 | RD3 — Port D I/O pin 3 |
| Pin 23 | RD4 — Port D I/O pin 4 |
| Pin 24 | RD5 — Port D I/O pin 5 |
| Pin 25 | RD6 — Port D I/O pin 6 |
| Pin 26 | RD7 — Port D I/O pin 7 |
| Pin 27 | RE0 — Port E I/O pin 0 |
| Pin 28 | RE1 — Port E I/O pin 1 |
| Pin 29 | RE2 — Port E I/O pin 2 |
| Pin 30 | RE3 — Port E I/O pin 3 |
| Pin 31 | RE4 — Port E I/O pin 4 |
| Pin 32 | RE5 — Port E I/O pin 5 |
| Pin 33 | RE6 — Port E I/O pin 6 |
| Pin 34 | RE7 — Port E I/O pin 7 |
| Pin 35 | VSS — Ground |
| Pin 36 | VDD — Positive supply (2.0-3.6V) |
| Pin 37 | RF0 — Port F I/O pin 0 |
| Pin 38 | RF1 — Port F I/O pin 1 |
| Pin 39 | RF2 — Port F I/O pin 2 |
| Pin 40 | RF3 — Port F I/O pin 3 |
| Pin 41 | RF4 — Port F I/O pin 4 |
| Pin 42 | RF5 — Port F I/O pin 5 |
| Pin 43 | RF6 — Port F I/O pin 6 |
| Pin 44 | RF7 — Port F I/O pin 7 |
| Pin 45 | RG0 — Port G I/O pin 0 |
| Pin 46 | RG1 — Port G I/O pin 1 |
| Pin 47 | RG2 — Port G I/O pin 2 |
| Pin 48 | RG3 — Port G I/O pin 3 |
| Pin 49 | RG6 — Port G I/O pin 6 |
| Pin 50 | RG7 — Port G I/O pin 7 |
| Pin 51 | RG8 — Port G I/O pin 8 |
| Pin 52 | RG9 — Port G I/O pin 9 |
| Pin 53 | VSS — Ground |
| Pin 54 | VDD — Positive supply (2.0-3.6V) |
| Pin 55 | RH0 — Port H I/O pin 0 |
| Pin 56 | RH1 — Port H I/O pin 1 |
| Pin 57 | RH2 — Port H I/O pin 2 |
| Pin 58 | RH3 — Port H I/O pin 3 |
| Pin 59 | RH4 — Port H I/O pin 4 |
| Pin 60 | RH5 — Port H I/O pin 5 |
| Pin 61 | RH6 — Port H I/O pin 6 |
| Pin 62 | RH7 — Port H I/O pin 7 |
| Pin 63 | RJ0 — Port J I/O pin 0 |
| Pin 64 | RJ1 — Port J I/O pin 1 |
| Pin 65 | RJ2 — Port J I/O pin 2 |
| Pin 66 | RJ3 — Port J I/O pin 3 |
| Pin 67 | RJ4 — Port J I/O pin 4 |
| Pin 68 | RJ5 — Port J I/O pin 5 |
| Pin 69 | RJ6 — Port J I/O pin 6 |
| Pin 70 | RJ7 — Port J I/O pin 7 |
| Pin 71 | RK0 — Port K I/O pin 0 |
| Pin 72 | RK1 — Port K I/O pin 1 |
| Pin 73 | RK2 — Port K I/O pin 2 |
| Pin 74 | RK3 — Port K I/O pin 3 |
| Pin 75 | VSS — Ground |
| Pin 76 | VDD — Positive supply (2.0-3.6V) |
| Pin 77 | RK4 — Port K I/O pin 4 |
| Pin 78 | RK5 — Port K I/O pin 5 |
| Pin 79 | RK6 — Port K I/O pin 6 |
| Pin 80 | RK7 — Port K I/O pin 7 |
| Pin 81 | RL0 — Port L I/O pin 0 |
| Pin 82 | RL1 — Port L I/O pin 1 |
| Pin 83 | RL2 — Port L I/O pin 2 |
| Pin 84 | RL3 — Port L I/O pin 3 |
| Pin 85 | RL4 — Port L I/O pin 4 |
| Pin 86 | RL5 — Port L I/O pin 5 |
| Pin 87 | RL6 — Port L I/O pin 6 |
| Pin 88 | RL7 — Port L I/O pin 7 |
| Pin 89 | VUSB — USB 3.3V LDO output (bypass required) |
| Pin 90 | VBUS — USB VBUS sense input |
| Pin 91 | D- — USB D- differential data line |
| Pin 92 | D+ — USB D+ differential data line |
| Pin 93 | VSS — Ground |
| Pin 94 | OSCI — Primary oscillator input |
| Pin 95 | OSCO — Primary oscillator output |
| Pin 96 | SOSCO — Secondary (low-power) oscillator output |
| Pin 97 | SOSCI — Secondary (low-power) oscillator input |
| Pin 98 | MCLR — Master Clear (reset, active low) |
| Pin 99 | RA0 — Port A I/O pin 0 |
| Pin 100 | RA1 — Port A I/O pin 1 |
Aplicaciones típicas
PIC24FJ256GU410-I/PT es adecuado para 7 aplicacións: USB-Connected HMI Panels with LCD, Secure IoT Edge Nodes with OTA Updates, Automotive Body and Climate Control, Medical Point-of-Care Instruments, Industrial Sensor Hubs with LCD Readout, USB Peripherals: HID, CDC, and Vendor Devices, Smart Home Touch Panels.
USB-Connected HMI Panels with LCD
The PIC24FJ256GU410-I/PT's integrated full-speed USB 2.0 OTG controller, 512-segment LCD controller, and 85 I/O pins make it a single-chip solution for USB-connected HMI panels. The USB port streams data to the host while the local segment LCD displays status without an external driver. Placing 10 uF + 0.1 uF decoupling on VDD near the IC and routing USB D+/D- as a 90 ohm differential pair keeps EMI under FCC Class B limits. Compared to a discrete USB MCU + LCD driver solution, this part saves BOM cost and PCB area.
Recomendado
Secure IoT Edge Nodes with OTA Updates
With 256KB dual-partition flash, 32KB RAM, and a hardware AES/DES/SHA crypto engine, PIC24FJ256GU410-I/PT is well suited for secure IoT edge nodes that require Over-The-Air firmware updates. The dual-partition flash allows one half to receive new firmware while the other continues running the current image, eliminating bricking risk. The crypto engine accelerates TLS handshake and data-at-rest encryption. XLP sleep currents below 1 uA extend battery life, while the wide 2.0-3.6V VDD range supports lithium and energy-harvesting supplies.
Recomendado
Automotive Body and Climate Control
Automotive body controllers, HVAC panels, and instrument cluster sub-modules are a strong fit for PIC24FJ256GU410-I/PT. The AEC-Q100 qualification (per OnlineComponents listing), 256KB flash for HVAC/lighting profiles, 85 I/O for switches and PWM actuators, and hardware AES for secure diagnostic (UDS) sessions cover the typical body-electronics workload. The 2.0-3.6V supply matches automotive 12V rails with an upstream LDO. The segmented LCD controller directly drives a TN-type LCD glass without an external driver.
Recomendado
Medical Point-of-Care Instruments
PIC24FJ256GU410-I/PT suits handheld medical point-of-care devices such as glucose meters, pulse oximeters, and rapid diagnostic readers. The 32 KB RAM supports modest sensor-fusion algorithms, the 12-bit ADC handles analog front-end measurements, and the LCD controller drives a 4-digit 7-segment display for direct readouts. USB-OTG enables tethered data transfer to a host PC, while the XLP architecture preserves battery life. Adding medical-grade isolation (e.g., isolation barrier ICs) protects the host port and meets IEC 60601 leakage requirements.
Recomendado
Industrial Sensor Hubs with LCD Readout
For factory-floor sensor hubs and process instrumentation, PIC24FJ256GU410-I/PT provides 85 I/O for multi-channel analog sensor conditioning, 256 KB flash for protocol stacks (Modbus, CANOpen if external PHY added), and an LCD controller for local numeric or 14-segment status readouts. The industrial -40C to +85C temperature range suits most plant environments, and the XLP architecture lets the device sleep between samples to extend battery life in remote installations. CAN support requires an external MCP2551/PCA82C251 transceiver.
Recomendado
USB Peripherals: HID, CDC, and Vendor Devices
PIC24FJ256GU410-I/PT is a strong match for USB peripherals - HID input devices, CDC virtual COM ports, and custom vendor-class USB products. The full-speed USB 2.0 OTG controller eliminates external PHY cost, the 32 KB RAM holds USB endpoint buffers and application state, and the 256 KB flash accommodates USB stacks plus application code. Common examples include USB barcode scanners, USB fingerprint scanners, USB cable testers, and USB-programmable industrial controllers that need a local LCD for status.
Recomendado
Smart Home Touch Panels
PIC24FJ256GU410-I/PT can drive smart home wall-mounted touch panels with integrated LCD readout, multiple capacitive touch inputs, and USB or wireless connectivity via external modules. The 512-segment LCD controller is suitable for thermostat-style numeric displays; combined with CLC (Configurable Logic Cell) peripherals, capacitive touch sensing and LED dimming can be handled in hardware with minimal CPU load. The wide 2.0-3.6V VDD range lets the design share a battery or AC-derived rail.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC24FJ256GU410-I/PT — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC24FJ128GU410-I/PT | PIC24FJ256GU410-E/PT | PIC24FJ256GU406-I/PT | PIC24FJ256GU405-I/PT | PIC24FJ256GB410-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-100 (PT), 12x12 mm | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 256 KB (Dual Partition, ECC) | 128 KB (-50%) | 256 KB (same) | 256 KB (same) | 256 KB (same) | 256 KB (single partition) |
| RAM | 32 KB | 32 KB (same) | 32 KB (same) | 32 KB (same) | 32 KB (same) | 32 KB (same) |
| Max Clock Speed | 32 MHz (16 MIPS) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) | 32 MHz (same) |
| Operating 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 | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +125C (Extended) | -40C to +85C | -40C to +85C | -40C to +85C |
| Hardware Crypto Engine | AES / DES / SHA | AES / DES / SHA (same) | AES / DES / SHA (same) | AES / DES / SHA (same) | AES / DES / SHA (same) | None |
| USB Controller | Full-Speed USB 2.0 OTG (host/device) | Full-Speed USB 2.0 OTG (same) | Full-Speed USB 2.0 OTG (same) | Full-Speed USB 2.0 OTG (same) | Full-Speed USB 2.0 OTG (same) | Full-Speed USB 2.0 OTG (same) |
| Automotive AEC-Q100 | Yes (per OnlineComponents listing) | Yes (industrial/AEC-Q100 variants) | Yes (extended grade) | Yes (industrial/AEC-Q100 variants) | Yes (industrial/AEC-Q100 variants) | Yes (industrial/AEC-Q100 variants) |
Diferenciadores clave
- Dual Partition flash for live OTA updates without bricking (frente a PIC24FJ256GB410-I/PT)
- Hardware crypto engine for AES/DES/SHA acceleration (frente a PIC24FJ256GB410-I/PT)
- Highest LCD segment count in the GU4 family (frente a PIC24FJ256GU406-I/PT)
Notas de diseño
Estimated: at 32 MHz full-speed operation, PIC24FJ256GU410-I/PT draws approximately 15 mA from a 3.3V supply. Decouple VDD with a 10 uF bulk + 0.1 uF ceramic in parallel, placed within 5 mm of each VDD pin (the part has 4 VDD pins). VUSB (pin 89) requires its own 0.1 uF + 4.7 uF bypass pair per USB spec. Do not back-power VUSB from external sources - the internal 3.3V LDO is always on and conflicts with external 3.3V drive.
Route USB D+/D- as a 90 ohm differential pair on the top layer with continuous ground reference beneath; avoid via stubs and keep total length under 50 mm for full-speed USB. Place the optional 27-ohm series termination close to the IC. Place the 12.000 MHz primary crystal (or resonator) within 5 mm of OSCI/OSCO pins with guard traces and a clean ground pour. Keep LCD segment traces away from USB to reduce cross-talk on segment lines.
Do not omit the dual-partition Golden Image bootloader if you intend to use OTA updates - without it, a failed firmware update bricks the device. Configure MCLR as a reset input with a proper 10 kohm pull-up to VDD; floating MCLR leads to spurious resets. The VUSB pin must NOT be connected to an external 3.3V rail or the internal LDO will be damaged. Finally, the LCD charge pump capacitors on S010/S011/S012/S013 must match the segment pinout section of the datasheet or the display contrast will be wrong.
For USB-OTG host mode, the VBUS pin requires a power-switch IC (such as MIC2026) controlled by a GPIO; do not drive VBUS directly from the MCU - the GPIO is 5V-tolerant but cannot source enough current for USB host mode. When using the 12-bit ADC for sensor measurements in noisy USB environments, average multiple samples and place a small RC filter at the ADC input. Keep switching regulator switching nodes away from the ADC traces to avoid coupling noise into measurements.
Información de cumplimiento
RoHS compliant per Microchip product page. AEC-Q100 automotive qualification per OnlineComponents listing. Halogen-free per Microchip environmental compliance data.
