PIC24FJ512GU410-I/PT - 512KB Flash, USB, LCD 16-bit MCU | Microchip
MPN: PIC24FJ512GU410-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.78 | $7.78 |
| 10 | $6.85 | $68.50 |
| 100 | $6.12 | $612.00 |
| 500 | $5.42 | $2,710.00 |
| 1,000 | $4.95 | $4,950.00 |
PIC24FJ512GU410-I/PT Overview
A 16-bit microcontroller (MCU) is an embedded processor that fetches 16-bit instructions and operates on 8/16-bit data paths, balancing code density, deterministic interrupt latency, and richer peripherals over 8-bit cores. Within the broader taxonomy, the PIC24F belongs to the 16-bit MCU -> microcontroller -> embedded processor -> semiconductor family, and the PIC24FJ512GU410 specifically targets low-power, USB-enabled human-machine interface (HMI) designs with segment LCDs.
Key features include 512 KB self-programmable Flash with dual-partition OTA updates and EEPROM emulation, 32 KB SRAM, a 10-bit 1 MSPS ADC, multiple UART/SPI/I2C peripherals, a Real-Time Clock/Calendar (RTCC), a DMA controller, and the segment LCD driver supporting up to 480 segments. The integrated USB 2.0 full-speed transceiver eliminates external PHY cost, while the DMA engine offloads peripheral-to-memory transfers for higher throughput.
Typical applications include industrial segment-LCD HMI panels, USB sensor hubs, battery-powered metering with display, medical handheld instrumentation, and home-automation controllers requiring OTA firmware updates. The wide operating voltage range and low-power Sleep modes make it equally suited to line-powered and battery-backed designs where the LCD must remain visible while the core is dormant.
When designing with this device, ensure VDD decoupling follows the manufacturer reference layout with 100 nF caps at every supply pin and a 10 µF bulk near the regulator. The dual-partition Flash enables bootloader-driven OTA updates without external memory, but designers must plan partition sizes and the live-update state machine before deployment. This page combines distributor pricing, drop-in alternatives, and practical design notes that are not aggregated in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ512GU410-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 PIC24FJ512GU410-I/PT (same form factor and footprint) — differing in Package, LCD Controller, Operating Temperature, ADC, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ512GU406T-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.8 / Unit
View Datasheet →PIC24FJ512GU405T-I/M4
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$3.38 / Unit
View Datasheet →PIC24FJ512GU405-I/PT
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.32 / Unit
View Datasheet →PIC24FJ128GU410-I/PT
✅ Drop-In✓ In Stock
$3.83 / Unit
View Datasheet →PIC24FJ512GL410-I/PT
✅ Drop-In✓ In Stock
$5.05 / Unit
View Datasheet →PIC24FJ512GU410-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash | 512 KB (dual-partition, self-programmable) |
| SRAM | 32 KB |
| EEPROM Emulation | Yes (in Flash) |
| Operating Voltage Range | 2.0 V to 3.6 V |
| USB | USB 2.0 Full-Speed Device/Host/OTG (on-chip transceiver) |
| ADC | 10-bit, up to 1 MSPS |
| LCD Controller | Segment LCD, up to 480 segments / 116 commons |
| DMA Channels | 8 channels |
| RTCC | Yes, with VBAT domain support |
| Timers | Multiple 16-bit Timer modules |
| Communication Peripherals | UART, SPI, I2C |
| Package | 100-pin TQFP (PT), 12x12 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial -I) |
| RoHS Status | Compliant |
| MSL Level | 3 (168 hours) |
PIC24FJ512GU410-I/PT Pin Configuration
| Pin 1 | RG15 — GPIO port RG bit 15 / segment LCD |
| Pin 2 | RG13 — GPIO port RG bit 13 |
| Pin 3 | RG14 — GPIO port RG bit 14 |
| Pin 4 | RA0 — GPIO port RA bit 0 / analog |
| Pin 5 | RA1 — GPIO port RA bit 1 / analog |
| Pin 6 | RA2 — GPIO port RA bit 2 / analog |
| Pin 7 | RA3 — GPIO port RA bit 3 / analog |
| Pin 8 | RA4 — GPIO port RA bit 4 |
| Pin 9 | RA5 — GPIO port RA bit 5 |
| Pin 10 | RA6 — GPIO port RA bit 6 |
| Pin 11 | RA7 — GPIO port RA bit 7 |
| Pin 12 | RB0 — GPIO port RB bit 0 / PGED1 |
| Pin 13 | RB1 — GPIO port RB bit 1 / PGEC1 |
| Pin 14 | RB2 — GPIO port RB bit 2 |
| Pin 15 | RB3 — GPIO port RB bit 3 |
| Pin 16 | RB4 — GPIO port RB bit 4 |
| Pin 17 | RB5 — GPIO port RB bit 5 |
| Pin 18 | RB6 — GPIO port RB bit 6 |
| Pin 19 | RB7 — GPIO port RB bit 7 |
| Pin 20 | RB8 — GPIO port RB bit 8 |
| Pin 21 | RB9 — GPIO port RB bit 9 |
| Pin 22 | RB10 — GPIO port RB bit 10 |
| Pin 23 | RB11 — GPIO port RB bit 11 |
| Pin 24 | RB12 — GPIO port RB bit 12 |
| Pin 25 | RB13 — GPIO port RB bit 13 |
| Pin 26 | RB14 — GPIO port RB bit 14 |
| Pin 27 | RB15 — GPIO port RB bit 15 |
| Pin 28 | VSS — Ground reference |
| Pin 29 | VDD — Positive supply 2.0-3.6 V |
| Pin 30 | RC0 — GPIO port RC bit 0 |
| Pin 31 | RC1 — GPIO port RC bit 1 |
| Pin 32 | RC2 — GPIO port RC bit 2 |
| Pin 33 | RC3 — GPIO port RC bit 3 |
| Pin 34 | RC4 — GPIO port RC bit 4 |
| Pin 35 | RC5 — GPIO port RC bit 5 |
| Pin 36 | RC6 — GPIO port RC bit 6 |
| Pin 37 | RC7 — GPIO port RC bit 7 |
| Pin 38 | RC8 — GPIO port RC bit 8 |
| Pin 39 | RC9 — GPIO port RC bit 9 |
| Pin 40 | RC10 — GPIO port RC bit 10 |
| Pin 41 | RC11 — GPIO port RC bit 11 |
| Pin 42 | RC12 — GPIO port RC bit 12 |
| Pin 43 | RC13 — GPIO port RC bit 13 |
| Pin 44 | RC14 — GPIO port RC bit 14 |
| Pin 45 | RC15 — GPIO port RC bit 15 |
| Pin 46 | VSS — Ground reference |
| Pin 47 | VDD — Positive supply 2.0-3.6 V |
| Pin 48 | RD0 — GPIO port RD bit 0 |
| Pin 49 | RD1 — GPIO port RD bit 1 |
| Pin 50 | RD2 — GPIO port RD bit 2 |
| Pin 51 | RD3 — GPIO port RD bit 3 |
| Pin 52 | RD4 — GPIO port RD bit 4 |
| Pin 53 | RD5 — GPIO port RD bit 5 |
| Pin 54 | RD6 — GPIO port RD bit 6 |
| Pin 55 | RD7 — GPIO port RD bit 7 |
| Pin 56 | RD8 — GPIO port RD bit 8 |
| Pin 57 | RD9 — GPIO port RD bit 9 |
| Pin 58 | RD10 — GPIO port RD bit 10 |
| Pin 59 | RD11 — GPIO port RD bit 11 |
| Pin 60 | RD12 — GPIO port RD bit 12 |
| Pin 61 | RD13 — GPIO port RD bit 13 |
| Pin 62 | RD14 — GPIO port RD bit 14 |
| Pin 63 | RD15 — GPIO port RD bit 15 |
| Pin 64 | VSS — Ground reference |
| Pin 65 | VDD — Positive supply 2.0-3.6 V |
| Pin 66 | RE0 — GPIO port RE bit 0 |
| Pin 67 | RE1 — GPIO port RE bit 1 |
| Pin 68 | RE2 — GPIO port RE bit 2 |
| Pin 69 | RE3 — GPIO port RE bit 3 |
| Pin 70 | RE4 — GPIO port RE bit 4 |
| Pin 71 | RE5 — GPIO port RE bit 5 |
| Pin 72 | RE6 — GPIO port RE bit 6 |
| Pin 73 | RE7 — GPIO port RE bit 7 |
| Pin 74 | RE8 — GPIO port RE bit 8 |
| Pin 75 | RE9 — GPIO port RE bit 9 |
| Pin 76 | RF0 — GPIO port RF bit 0 |
| Pin 77 | RF1 — GPIO port RF bit 1 |
| Pin 78 | RF2 — GPIO port RF bit 2 / SDA2 |
| Pin 79 | RF3 — GPIO port RF bit 3 / SCL2 |
| Pin 80 | RF4 — GPIO port RF bit 4 |
| Pin 81 | RF5 — GPIO port RF bit 5 |
| Pin 82 | RF6 — GPIO port RF bit 6 |
| Pin 83 | RF7 — GPIO port RF bit 7 |
| Pin 84 | RF8 — GPIO port RF bit 8 |
| Pin 85 | VSS — Ground reference |
| Pin 86 | VDD — Positive supply 2.0-3.6 V |
| Pin 87 | RG0 — GPIO port RG bit 0 |
| Pin 88 | RG1 — GPIO port RG bit 1 / D+ |
| Pin 89 | RG2 — GPIO port RG bit 2 / D- |
| Pin 90 | RG3 — GPIO port RG bit 3 |
| Pin 91 | RG4 — GPIO port RG bit 4 / RTCC |
| Pin 92 | RG5 — GPIO port RG bit 5 |
| Pin 93 | RG6 — GPIO port RG bit 6 |
| Pin 94 | RG7 — GPIO port RG bit 7 |
| Pin 95 | RG8 — GPIO port RG bit 8 |
| Pin 96 | RG9 — GPIO port RG bit 9 |
| Pin 97 | RG10 — GPIO port RG bit 10 |
| Pin 98 | RG11 — GPIO port RG bit 11 |
| Pin 99 | RG12 — GPIO port RG bit 12 |
| Pin 100 | MCLR — Master clear / reset (active low) |
Typical Applications
PIC24FJ512GU410-I/PT is suitable for 6 applications: Industrial Segment-LCD HMI Panel, USB Sensor Hub, Battery-Powered Smart Meter with LCD, Medical Handheld Instrumentation, Home-Automation Controller with OTA, Automotive Accessory Display Module.
Industrial Segment-LCD HMI Panel
The PIC24FJ512GU410-I/PT is purpose-built for industrial segment-LCD HMI panels because its on-chip LCD controller drives up to 480 segments while the eXtreme Low-Power Sleep modes keep the display visible with the core dormant. With 32 KB SRAM, the MCU can buffer full screen refresh while the DMA engine streams background updates to the LCD without CPU wakeups. The 2.0 V to 3.6 V operating range tolerates noisy 24 V industrial rails after regulation. Place a 100 nF decoupling cap at every VDD/VDDCORE pin to keep the segment waveforms clean, and use the RTCC in low-voltage Sleep for accurate timed wakes.
Recommended
USB Sensor Hub
The integrated USB 2.0 Full-Speed OTG transceiver makes the PIC24FJ512GU410-I/PT a compact USB sensor hub, eliminating an external PHY and reducing BOM cost for HID or vendor-class devices. The DMA engine streams high-speed ADC samples into USB endpoints with minimal CPU load, sustaining throughput while keeping interrupt latency predictable. The 512 KB dual-partition Flash enables vendor firmware upgrades over USB without external memory. Pair the MCU with an ESD-protected USB connector and follow the manufacturer reference layout to maintain Chapter 7 electrical compliance.
Recommended
Battery-Powered Smart Meter with LCD
Battery-powered smart meters benefit from the PIC24FJ512GU410-I/PT's 5 low-power modes including a low-voltage Sleep that keeps the RTCC running from a separate LDO at microamp current. The 512 KB Flash supports Over-The-Air firmware updates for field-deployed meters, while the segment LCD driver displays consumption without waking the core. The 10-bit 1 MSPS ADC digitizes sensor inputs with sufficient precision for residential metering. Use VBAT to back up the RTCC across primary battery swaps.
Recommended
Medical Handheld Instrumentation
Medical handheld instruments such as glucose meters and pulse oximeters fit the PIC24FJ512GU410-I/PT because of its low-power Sleep, integrated USB for charging and data sync, and the segment LCD driver for numeric readouts. The industrial -I temperature grade covers the body-temperature operation range, and the 32 KB SRAM buffers patient data between scheduled syncs. Use the DMA to offload sensor sampling and reserve CPU bandwidth for user-interface logic.
Recommended
Home-Automation Controller with OTA
Home-automation controllers require reliable firmware updates and a UI surface; the PIC24FJ512GU410-I/PT delivers both via 512 KB dual-partition Flash for OTA rollbacks and a segment LCD for local status. USB OTG allows the same port to act as host for peripheral charging or device for cloud sync. The RTCC schedules wakeups for time-of-day automation. Add a SPI flash if persistent logging exceeds internal EEPROM emulation capacity.
Recommended
Automotive Accessory Display Module
Automotive accessory display modules such as garage-door indicators and aftermarket sensor displays leverage the PIC24FJ512GU410-I/PT's industrial -40C to +85C temperature grade and segment LCD for at-a-glance readouts. The USB port enables factory firmware loading and field diagnostics, while the RTCC timestamps events. The 32 KB SRAM buffers vehicle-bus messages filtered by the UART. Use automotive-grade LDOs to tolerate load-dump transients on the supply rail.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ512GU410-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ512GU406T-I/PT | PIC24FJ512GU405T-I/M4 | PIC24FJ512GU405-I/PT | PIC24FJ128GU410-I/PT | PIC24FJ512GL410-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT) 12x12 mm | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same | 100-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 512 KB | 512 KB | 512 KB | 512 KB | 128 KB | 512 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| USB 2.0 Full-Speed | Yes (Device/Host/OTG) | Yes | Yes | Yes | Yes | No |
| Segment LCD Controller | Yes (up to 480 segments) | Yes | Yes | Yes | Yes | Yes |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz | 32 MHz | 32 MHz | 32 MHz | 32 MHz |
| 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 |
| DMA Channels | 8 | 8 | 8 | 8 | 8 | 8 |
Key Differentiators
- Highest on-chip Flash density in the PIC24FJ GU4 family at 100-pin TQFP (vs PIC24FJ128GU410-I/PT)
- Integrated USB 2.0 Full-Speed OTG transceiver on-chip (vs PIC24FJ512GL410-I/PT)
- Dual-partition Flash with Over-The-Air firmware update support (vs PIC24FJ256GA704-I/PT)
Design Notes
Place a 100 nF decoupling capacitor within 3 mm of every VDD/VDDCORE/AVDD pin and a single 10 uF bulk tantalum or ceramic on the main supply rail. The internal voltage regulator requires the bulk cap for stable Sleep-mode transitions; skipping it can cause RTCC drift or spurious resets. For battery designs, route VBAT through a Schottky diode so the RTCC domain retains time across primary-battery swaps.
The 100-pin TQFP uses 0.4 mm pitch; use 0.15 mm/0.20 mm trace width with matched impedance for USB D+/D- to comply with USB 2.0 Chapter 7 signaling. Route the crystal traces short and symmetric with a guard ring tied to ground, and keep the 32.768 kHz crystal within 5 mm of SOSC pins to minimize load-capacitance drift. Avoid routing high-frequency signals under the LCD segment traces.
When migrating between the PIC24FJ512GU410 and PIC24FJ512GL410, USB peripherals fail silently because the GL410 lacks the on-chip transceiver. Always confirm the silicon revision in the Device ID register and use the ICSP pair selected in your debug configuration - mixing PGEC1 with PGED2 prevents programming. The dual-partition Flash is not a substitute for EEPROM in applications requiring byte-level writes: enable the EEPROM emulation library and bound write cycles to avoid Flash wear.
The segment LCD controller multiplexes COM and SEG lines on shared GPIO; allocate dedicated ground pours around LCD traces to prevent digital noise from coupling into the segment waveforms. Tie unused LCD pins to VDD through 100 kohm resistors to prevent floating segments, and add a 1 uF cap on the LCD bias supply if the display flickers under heavy CPU load. Always enable the charge pump configuration bit when driving high-segment-count displays at low VDD.
Compliance Information
RoHS and REACH compliance per Microchip product page. Industrial -I temperature grade; not AEC-Q100 qualified - select PIC24FJ512GB610-I/BG variants for automotive-grade applications.
