PIC24FJ512GU410T-I/PT - 512KB Flash USB MCU 100-TQFP | Microchip
MPN: PIC24FJ512GU410T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.2 | $6.20 |
| 10 | $5.75 | $57.50 |
| 100 | $5.12 | $512.00 |
| 500 | $4.68 | $2,340.00 |
| 1,000 | $4.2 | $4,200.00 |
PIC24FJ512GU410T-I/PT Overview
A 16-bit PIC microcontroller is a member of the microcontroller (MCU) family that uses a 16-bit modified Harvard data path, sitting between 8-bit AVR/PIC MCUs and 32-bit ARM Cortex-M devices. Within the MCU taxonomy, PIC24F parts belong to the "F" subfamily of the PIC24 family, characterized by eXtreme Low-Power (XLP) technology, integrated peripherals, and dual-partition Flash that supports live Over-The-Air (OTA) firmware updates and EEPROM emulation.
Key differentiating features of the PIC24FJ512GU410T-I/PT include the 512KB dual-partition Flash (vs 256KB on smaller siblings), 32KB RAM, the full-speed USB 2.0 full-speed device/host/OTG peripheral, the segmented LCD driver (up to 512 segments), and a rich set of Core Independent Peripherals (CIPs) such as Configurable Logic Cells (CLC), Multiple Capture/Compare/PWM, and a hardware crypto engine for selected family members. The 16 MIPS throughput from the 32MHz oscillator supports real-time USB, LCD refresh, and CIP processing in parallel without CPU intervention.
Architecturally, the device uses Microchip's modified Harvard architecture with separate program Flash and data SRAM buses, a hardware multiply/divide unit, a 16x16-bit working register array, and a peripheral bus that decouples I/O from the core for predictable interrupt latency. The dual-partition Flash allows one partition to run application code while the other receives an OTA image, then the bootloader atomically swaps roles, eliminating firmware-update downtime in connected sensor and metering products.
Typical applications include USB-connected sensor hubs, industrial HMI panels with LCD displays, medical handheld instruments, home-automation gateways, and battery-powered IoT endpoints requiring OTA firmware maintenance. The wide operating voltage range and integrated LCD make it a strong fit for segment-LCD user interfaces in metering, appliance, and instrumentation products.
When designing with this MCU, plan the dual-partition layout, ensure the USB bus is correctly terminated (D+/D- with 15kohm pulldown on D- for full-speed device mode), and place the decoupling capacitors within 5mm of each VDD/VSS pair to keep the eXtreme Low-Power modes stable. The PIC24FJ512GU410T-I/PT is the -40C to +85C industrial variant in 100-TQFP; for the 100C extended-temperature option, choose the PIC24FJ512GU410T-E/PT suffix.
This page consolidates distributor pricing, parametric comparison with same-family siblings, cross-brand drop-in alternatives, and design notes that go beyond what the manufacturer datasheet alone provides.
Drop-in alternatives for PIC24FJ512GU410T-I/PT — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC24FJ512GU410T-I/PT (same form factor and footprint) — differing in Package, USB, ADC, LCD Controller, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ512GU410-I/PT
✅ Drop-In✓ In Stock
$4.95 / Unit
View Datasheet →PIC24FJ512GL410-I/PT
✅ Drop-In✓ In Stock
$5.05 / Unit
View Datasheet →PIC24FJ512GU406T-I/PT
✅ Drop-In✓ In Stock
$4.8 / Unit
View Datasheet →PIC24FJ512GU410T-I/PT Maximum Ratings & Electrical Characteristics
| Core | PIC24F 16-bit Modified Harvard |
| Instruction Set | 16-bit (16 MIPS @ 32 MHz) |
| Maximum CPU Speed | 32 MHz |
| Program Flash | 512 KB (dual partition, ECC) |
| Data SRAM | 32 KB |
| USB | USB 2.0 Full-Speed device/host/OTG |
| LCD Controller | Integrated segmented LCD driver |
| Operating Temperature | -40C to +85C (industrial, "I") |
| Package | 100-pin TQFP (PT), 12x12 mm |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Family | PIC24FJ GU4/GL4 |
| Core Independent Peripherals (CIPs) | CLC, MCCP, CRC, Hardware Crypto (family option) |
PIC24FJ512GU410T-I/PT Pin Configuration
| Pin 1 | OSCI/RC12 — External crystal/oscillator input or remappable GPIO |
| Pin 12 | VDD — Digital supply (pin grouping per datasheet pinout) |
| Pin 13 | VSS — Digital ground |
| Pin 25 | AVDD — Analog supply |
| Pin 26 | AVSS — Analog ground |
| Pin 56 | D+ — USB data plus (full-speed) |
| Pin 57 | D- — USB data minus (full-speed) |
| Pin 72 | COM0 — Segment LCD common output |
| Pin 73 | COM1 — Segment LCD common output |
| Pin 74 | SEG0 — Segment LCD segment output |
| Pin 91 | PGD2/RP9 — Programming data / remappable peripheral |
| Pin 92 | PGC2/RP8 — Programming clock / remappable peripheral |
| Pin 100 | OSCO/RC15 — External crystal output or remappable GPIO |
Typical Applications
PIC24FJ512GU410T-I/PT is suitable for 6 applications: USB Sensor Hub, Industrial HMI Panel with Segment LCD, Battery-Powered IoT Endpoint, Medical Handheld Instrument, Home Automation Gateway, Appliance Control with LCD Display.
USB Sensor Hub
The PIC24FJ512GU410T-I/PT's integrated USB 2.0 full-speed device/host/OTG peripheral eliminates an external PHY for USB sensor hubs. With 32KB SRAM it can buffer USB endpoint descriptors plus concurrent sensor data, and the 32MHz core runs HID/CDC stacks without offloading to a co-processor. The dual-partition Flash enables live firmware updates on the host, so the hub can recover from bad image deployment without returning to factory service.
Recommended
Industrial HMI Panel with Segment LCD
The integrated segmented LCD controller (driving up to 512 segments) and the 100-pin TQFP pin budget make the PIC24FJ512GU410T-I/PT a strong fit for industrial HMI panels. Core Independent Peripherals (CIPs) handle keypad scanning and LCD refresh without CPU loading, leaving 16 MIPS available for the application state machine. Industrial -40C to +85C rating supports factory-floor mounting and outdoor enclosures with heating.
Recommended
Battery-Powered IoT Endpoint
The eXtreme Low-Power (XLP) modes of the PIC24FJ family let the PIC24FJ512GU410T-I/PT sleep at microamp-level currents while the segmented LCD remains refreshed, extending coin-cell lifetime in metering and environmental sensors. The 32KB SRAM supports OTA image staging in the secondary flash partition, and the hardware crypto (on GU4 sub-family) authenticates firmware images before atomic swap.
Recommended
Medical Handheld Instrument
In medical handhelds, the PIC24FJ512GU410T-I/PT provides deterministic 16-bit control of pumps, sensors, and segment LCDs while USB charges the battery and updates firmware. The dual-partition Flash supports safe OTA updates in regulated environments where device downtime is unacceptable, and CIPs reduce firmware complexity so verification efforts target only the application layer.
Recommended
Home Automation Gateway
The USB, segmented LCD, and 512KB Flash combination on the PIC24FJ512GU410T-I/PT supports a small home-automation gateway that bridges low-power RF or wired sensors to a host via USB. The eXtreme Low-Power modes let the gateway idle while still updating the LCD, and the dual-partition Flash permits remote OTA updates without bricking units in the field.
Recommended
Appliance Control with LCD Display
White-goods and appliance controls benefit from the PIC24FJ512GU410T-I/PT's segmented LCD driver, USB diagnostics port, and abundant GPIO for triac/relay driving. The 16 MIPS core handles BLDC/PMSM control loops or PID temperature loops alongside CIP-driven keypad and display scanning, reducing the BOM by replacing discrete display drivers and logic.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ512GU410T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ512GU410-I/PT | PIC24FJ512GL410-I/PT | PIC24FJ512GU406T-I/PT |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (PT) 12x12 mm | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same |
| Core | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit | PIC24F 16-bit |
| Max CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Program Flash | 512 KB dual-partition | 512 KB | 512 KB | 256 KB (-50%) |
| Data SRAM | 32 KB | 32 KB | 32 KB | 32 KB |
| USB | USB 2.0 FS device/host/OTG | USB 2.0 FS | USB 2.0 FS | USB 2.0 FS |
| LCD Controller | Yes (segmented, up to 512 segs) | Yes | Yes | Yes |
| Hardware Crypto Engine | Yes (GU4 sub-family) | Yes | No (GL4 lacks crypto) | Yes |
| Operating Temperature | -40C to +85C (industrial) | -40C to +85C | -40C to +85C | -40C to +85C |
| Pricing (1 pc, USD) | $6.20 | ~$6.20 | ~$5.80 (lower) | ~$5.50 (lower) |
Key Differentiators
- Highest flash density in the 100-pin TQFP family (vs PIC24FJ512GU406T-I/PT)
- Hardware crypto engine for secure OTA (vs PIC24FJ512GL410-I/PT)
- Industrial -40C to +85C in same TQFP-100 footprint (vs PIC24FJ512GU410T-E/PT)
Design Notes
Place a 0.1uF ceramic decoupling capacitor within 5mm of every VDD/VSS pin pair, and add a bulk 10uF ceramic close to the largest current source (e.g., near the USB transceiver pins D+/D-). Use a continuous ground plane under the MCU to provide a low-impedance return path for the high-frequency USB edges. Keep D+/D- traces short, matched in length, and routed with 45-degree bends to meet USB 2.0 full-speed signal-integrity requirements.
The eXtreme Low-Power (XLP) modes on the PIC24FJ512GU410T-I/PT require clean VDD rails with low ripple (<30 mV) to enter Sleep/Deep Sleep reliably. Add an LC pi-network (10uH + 10uF + 0.1uF) on noisy rails from switching converters, and disable unused peripherals in firmware before entering Sleep to hit the deepest current budgets.
Do not omit the 15kohm pull-down resistor on the USB D- line for full-speed device enumeration; the host will not detect the device otherwise. The dual-partition Flash requires a robust bootloader with fail-safe rollback to the last known-good image in case the OTA transfer corrupts, and the bootloader should verify a signature before swapping partitions to avoid bricking deployed units.
Isolate the analog AVSS/AVDD pair from the digital VDD/VSS plane using a clean split and stitching capacitor at the boundary. Route the 32kHz secondary oscillator traces (SOSCO/SOSCI) short and guarded to minimize pickup, since the RTC/segment-LCD timing accuracy depends on them. Keep segment LCD traces away from USB D+/D- pairs to avoid coupling 32 kHz harmonics into the USB signal.
Compliance Information
RoHS and lead-free confirmed via Microchip product page and DigiKey listing. Industrial grade only - AEC-Q100 automotive qualification requires the dedicated PIC24FJ...-E automotive part numbers.
