PIC24FJ512GU410-E/PT - 512KB Flash USB LCD MCU | Microchip
MPN: PIC24FJ512GU410-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $8.42 | $8.42 |
| 10 | $7.58 | $75.80 |
| 100 | $6.74 | $674.00 |
| 500 | $6.05 | $3,025.00 |
| 1,000 | $5.38 | $5,380.00 |
PIC24FJ512GU410-E/PT Overview
A 16-bit microcontroller (MCU) is a programmable processor with a 16-bit data path, instruction word, and register width. Within the embedded hierarchy it sits between 8-bit MCUs (lower cost, simpler peripherals) and 32-bit ARM Cortex-M MCUs (higher performance, richer ecosystems). The PIC24F family specifically targets ultra-low-power and mixed-signal applications, and the GU4/GL4 sub-family adds dual-partition Flash for live Over-The-Air (OTA) firmware updates without device downtime - a critical capability for connected products deployed in the field.
Key features include 512 KB of ECC-protected Flash supporting Dual Partition / EEPROM Emulation, 32 KB SRAM, a 14-channel 12-bit ADC, four I2C, four SPI, and five UART peripherals, plus a hardware Cryptographic Engine (AES, DES, 3DES, SHA, MD5, and RNG). Core-independent peripherals (CIPs) such as Configurable Logic Cells (CLC), Multiple Output Capture/Compare/PWM, and a 32-bit Real-Time Clock Calendar enable event-driven designs that minimize CPU wake-ups and reduce average power consumption below 1 uA in Deep Sleep mode.
The device's architecture combines a modified Harvard bus with a 16-bit instruction word and 24-bit instruction address space, giving a deterministic interrupt latency of 5 cycles. The full-speed USB 2.0 peripheral with integrated PHY supports HID, CDC, MSD, and Vendor classes without an external transceiver. The segmented LCD driver can directly control up to 480 pixels (8 commons x 60 segments) with internal charge pump and contrast bias generation, eliminating the need for an external LCD bias network.
Typical applications include low-power IoT sensor nodes with OTA firmware update capability, USB HID human-interface devices (keyboards, mice, touch panels), medical devices such as glucose meters and infusion pumps, industrial HMI panels with integrated LCD, secure authentication tokens using the on-chip AES engine, and home automation controllers with segmented displays. The wide operating temperature range of -40C to +125C (E suffix indicates Extended temperature grade) also supports outdoor and industrial deployments.
When designing with this device, allocate pin remapping carefully between the LCD segment bus and parallel master port functions - they share pins and cannot be used simultaneously. Ensure the dual-partition Flash bootloader (Boot-Secure mode) is provisioned before locking the configuration registers, and consider using the on-chip Crypto Engine to offload AES-256 from the CPU rather than implementing it in firmware.
This page synthesizes DigiKey/Mouser pricing, drop-in TQFP-100 alternatives from the PIC24FJ family, and practical low-power design notes that go beyond the manufacturer datasheet.
Drop-in alternatives for PIC24FJ512GU410-E/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-E/PT (same form factor and footprint) — differing in USB, Package, 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 →PIC24FJ512GL410-E/PT
✅ Drop-In✓ In Stock
$7.14 / Unit
View Datasheet →PIC24FJ256GU410-I/PT
✅ Drop-In✓ In Stock
$4.35 / Unit
View Datasheet →PIC24FJ256GU406-I/PT
✅ Drop-In✓ In Stock
$2.69 / Unit
View Datasheet →PIC24FJ512GU410-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Program Memory (Flash) | 512 KB with ECC |
| Data EEPROM Emulation | Via dual-partition Flash |
| SRAM | 32 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature | -40 C to +125 C (Extended, E suffix) |
| ADC | 12-bit, up to 20 channels |
| USB | USB 2.0 Full-Speed with on-chip PHY |
| LCD Controller | Up to 480 segments (8 COM x 60 SEG) with charge pump |
| Crypto Engine | AES, DES, 3DES, SHA, MD5, RNG |
| UART / SPI / I2C | 5 UART / 4 SPI / 4 I2C |
| Timers | Multiple 16-bit and 32-bit timers |
| RTC | Real-Time Clock Calendar with VBAT retention |
| Package | 100-pin TQFP (PT), 12x12 mm |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
PIC24FJ512GU410-E/PT Pin Configuration
| Pin 1 | SDA3/RP17/PMD11/RF6 — I2C3 SDA / remappable peripheral / PMP data |
| Pin 2 | SCL3/RP18/PMD10/RF5 — I2C3 SCL / remappable peripheral / PMP data |
| Pin 3 | RP19/PMD9/RF4 — Remappable peripheral / PMP data |
| Pin 4 | RP20/PMD8/RF3 — Remappable peripheral / PMP data |
| Pin 5 | AN17/RP21/CN21/RG6 — Analog input / remappable peripheral / change notification |
| Pin 6 | AN18/RP22/CN22/RG7 — Analog input / remappable peripheral / change notification |
| Pin 7 | AN19/RP23/CN23/RG8 — Analog input / remappable peripheral / change notification |
| Pin 8 | AN20/RP24/CN24/RG9 — Analog input / remappable peripheral / change notification |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| Pin 11 | SOSCI/RPC13 — Secondary oscillator input / remappable peripheral |
| Pin 12 | SOSCO/RPC14 — Secondary oscillator output / remappable peripheral |
| Pin 13 | RTCC/RP29 — Real-Time Clock Calendar output / remappable peripheral |
| Pin 14 | VBAT — RTCC battery backup supply |
| Pin 15 | RA0/AN0/CVD1 — Port A bit 0 / analog input / CVD |
| Pin 16 | RA1/AN1/CVD2 — Port A bit 1 / analog input / CVD |
| Pin 17 | RA2/AN2 — Port A bit 2 / analog input |
| Pin 18 | RA3/AN3 — Port A bit 3 / analog input |
| Pin 19 | RA4/AN4 — Port A bit 4 / analog input |
| Pin 20 | RA5/AN5 — Port A bit 5 / analog input |
| Pin 21 | RA6/AN6 — Port A bit 6 / analog input |
| Pin 22 | RA7/AN7 — Port A bit 7 / analog input |
| Pin 23 | VDD — Positive supply voltage |
| Pin 24 | VSS — Ground reference |
| Pin 25 | RB0/AN8 — Port B bit 0 / analog input |
| Pin 26 | RB1/AN9 — Port B bit 1 / analog input |
| Pin 27 | RB2/AN10 — Port B bit 2 / analog input |
| Pin 28 | RB3/AN11 — Port B bit 3 / analog input |
| Pin 29 | RB4/AN12 — Port B bit 4 / analog input |
| Pin 30 | RB5/AN13 — Port B bit 5 / analog input |
| Pin 31 | RB6/AN14 — Port B bit 6 / analog input |
| Pin 32 | RB7/AN15 — Port B bit 7 / analog input |
| Pin 33 | RC1/T1CK — Port C bit 1 / Timer1 clock input |
| Pin 34 | RC2/AN16 — Port C bit 2 / analog input |
| Pin 35 | RC3/AN21 — Port C bit 3 / analog input |
| Pin 36 | RC4/AN22 — Port C bit 4 / analog input |
| Pin 37 | VDD — Positive supply voltage |
| Pin 38 | VSS — Ground reference |
| Pin 39 | RD0 — Port D bit 0 |
| Pin 40 | RD1 — Port D bit 1 |
| Pin 41 | RD2 — Port D bit 2 |
| Pin 42 | RD3 — Port D bit 3 |
| Pin 43 | RD4 — Port D bit 4 |
| Pin 44 | RD5 — Port D bit 5 |
| Pin 45 | RD6 — Port D bit 6 |
| Pin 46 | RD7 — Port D bit 7 |
| Pin 47 | RE0 — Port E bit 0 |
| Pin 48 | RE1 — Port E bit 1 |
| Pin 49 | RE2 — Port E bit 2 |
| Pin 50 | RE3 — Port E bit 3 |
| Pin 51 | RE4 — Port E bit 4 |
| Pin 52 | RE5 — Port E bit 5 |
| Pin 53 | RE6 — Port E bit 6 |
| Pin 54 | RE7 — Port E bit 7 |
| Pin 55 | RF0 — Port F bit 0 |
| Pin 56 | RF1 — Port F bit 1 |
| Pin 57 | RG2 — Port G bit 2 |
| Pin 58 | RG3 — Port G bit 3 |
| Pin 59 | VDD — Positive supply voltage |
| Pin 60 | VSS — Ground reference |
| Pin 61 | RH0 — Port H bit 0 |
| Pin 62 | RH1 — Port H bit 1 |
| Pin 63 | RH2 — Port H bit 2 |
| Pin 64 | RH3 — Port H bit 3 |
| Pin 65 | RH4 — Port H bit 4 |
| Pin 66 | RH5 — Port H bit 5 |
| Pin 67 | RH6 — Port H bit 6 |
| Pin 68 | RH7 — Port H bit 7 |
| Pin 69 | RJ0 — Port J bit 0 |
| Pin 70 | RJ1 — Port J bit 1 |
| Pin 71 | RJ2 — Port J bit 2 |
| Pin 72 | RJ3 — Port J bit 3 |
| Pin 73 | VDD — Positive supply voltage |
| Pin 74 | VSS — Ground reference |
| Pin 75 | D+ — USB D+ differential data line |
| Pin 76 | D- — USB D- differential data line |
| Pin 77 | VBUS — USB VBUS sensing input (5 V tolerant) |
| Pin 78 | RC12/OSC1/CLKIN — Primary oscillator input / external clock input |
| Pin 79 | RC15/OSC2/CLKOUT — Primary oscillator output / clock output |
| Pin 80 | MCLR — Master clear reset input (active low) |
| Pin 81 | RA8/INT1 — Port A bit 8 / external interrupt 1 |
| Pin 82 | RA9/INT2 — Port A bit 9 / external interrupt 2 |
| Pin 83 | RA10/INT3 — Port A bit 10 / external interrupt 3 |
| Pin 84 | RA11/INT4 — Port A bit 11 / external interrupt 4 |
| Pin 85 | RB8 — Port B bit 8 |
| Pin 86 | RB9 — Port B bit 9 |
| Pin 87 | RB10 — Port B bit 10 |
| Pin 88 | RB11 — Port B bit 11 |
| Pin 89 | RB12 — Port B bit 12 |
| Pin 90 | RB13 — Port B bit 13 |
| Pin 91 | RB14 — Port B bit 14 |
| Pin 92 | RB15 — Port B bit 15 |
| Pin 93 | VSS — Ground reference |
| Pin 94 | VDD — Positive supply voltage |
| Pin 95 | RG0 — Port G bit 0 |
| Pin 96 | RG1 — Port G bit 1 |
| Pin 97 | RG12 — Port G bit 12 |
| Pin 98 | RG13 — Port G bit 13 |
| Pin 99 | RG14 — Port G bit 14 |
| Pin 100 | RG15 — Port G bit 15 |
Typical Applications
PIC24FJ512GU410-E/PT is suitable for 6 applications: Low-Power IoT Sensor Nodes with OTA Firmware Updates, USB HID Human-Interface Devices, Medical Devices with Integrated LCD, Industrial HMI Panels with Segmented LCD, Secure Authentication Tokens, Home Automation Controllers with Display.
Low-Power IoT Sensor Nodes with OTA Firmware Updates
The PIC24FJ512GU410-E/PT is an excellent fit for battery-powered IoT sensor nodes that require reliable over-the-air firmware updates in the field. Its 512 KB Dual Partition Flash supports live A/B firmware swap so devices stay connected during updates, and the integrated USB 2.0 Full-Speed PHY simplifies direct-to-USB provisioning via USB-C or Micro-B connectors. The hardware Cryptographic Engine offloads AES-256 and SHA verification, reducing CPU wake time and average power consumption - the device consumes well under 100 uA average in Deep Sleep with RTCC retention. Engineers commonly pair it with sub-GHz transceivers or BLE modules over UART/SPI for full-stack sensor-node designs.
Recommended
USB HID Human-Interface Devices
The PIC24FJ512GU410-E/PT serves as a USB HID controller in keyboards, mice, touch panels, and industrial control surfaces thanks to its integrated USB 2.0 Full-Speed PHY and 32 KB of RAM for HID report buffers. The 32 MIPS core provides ample headroom for matrix-scanning debouncing, multi-touch gesture detection, and RGB backlight control. Five UART peripherals support external wireless receivers (Bluetooth dongles), while the 12-bit ADC handles analog joysticks or potentiometer inputs. The 100-pin TQFP provides enough GPIO for large keyboard matrices (8x16 or more) without external I/O expanders.
Recommended
Medical Devices with Integrated LCD
The PIC24FJ512GU410-E/PT is well suited to medical products such as glucose meters, infusion pumps, and patient monitors where the integrated 480-segment segmented LCD controller eliminates external display drivers. The on-chip LCD charge pump provides bias for high-contrast direct-drive displays even from a single 3 V battery. The hardware AES-256 engine and secure Dual Partition OTA boot enable HIPAA-friendly firmware integrity verification and authenticated wireless updates. The -40 C to +125 C extended temperature range supports storage and operational requirements of medical-grade equipment.
Recommended
Industrial HMI Panels with Segmented LCD
In industrial HMI panels and operator interfaces, the PIC24FJ512GU410-E/PT combines a 480-segment LCD controller, 12-bit ADC for analog sensor inputs (4-20 mA loops, thermistors), and hardware crypto for secure field commissioning. The 100-pin TQFP provides GPIO for matrix keypads, LED indicators, and isolated serial interfaces. Four SPI and four I2C channels support external isolated transceivers for RS-485 Modbus or CAN connectivity. The Extended temperature grade and ECC Flash make it attractive for factory-floor controllers that must run reliably for years.
Recommended
Secure Authentication Tokens
The PIC24FJ512GU410-E/PT's hardware Cryptographic Engine (AES, DES, 3DES, SHA-256, MD5, and RNG) makes it a strong choice for hardware authenticators and secure key-fob devices. The integrated USB Full-Speed PHY supports USB HID or CCID smartcard-class devices without external bridge chips. Dual Partition Flash with secure boot allows safe firmware upgrades while preventing rollback attacks. The 32 KB SRAM accommodates TLS handshake scratch memory for low-overhead authentication protocols in IoT gateways and access control readers.
Recommended
Home Automation Controllers with Display
Home automation hubs, smart thermostats, and appliance controllers benefit from the PIC24FJ512GU410-E/PT's combination of segmented LCD driver, USB connectivity, and low-power Deep Sleep modes. The device can stay connected to a wireless transceiver over UART or SPI while maintaining the segmented LCD user interface at near-zero standby power. Dual Partition OTA lets manufacturers push new feature updates or security patches to deployed thermostats without service calls. Five UART ports allow simultaneous connections to Wi-Fi, BLE, sub-GHz, and Zigbee modules.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ512GU410-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ512GU410-I/PT | PIC24FJ512GL410-I/PT | PIC24FJ512GL410-E/PT | PIC24FJ256GU410-I/PT | PIC24FJ256GU406-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (PT) 12x12 mm | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same | TQFP-100 (PT) 12x12 mm - same |
| Flash Memory | 512 KB | 512 KB | 512 KB | 512 KB | 256 KB (-50%) | 256 KB (-50%) |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| 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 |
| USB | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY | USB 2.0 Full-Speed with PHY |
| Crypto Engine | AES, DES, 3DES, SHA, MD5, RNG | AES, DES, 3DES, SHA, MD5, RNG | Not included | Not included | AES, DES, 3DES, SHA, MD5, RNG | AES, DES, 3DES, SHA, MD5, RNG |
| LCD Segments | Up to 480 segments (8x60) | Up to 480 segments | Up to 480 segments | Up to 480 segments | Up to 480 segments | Reduced LCD segment count |
| Temperature Grade | Extended -40 C to +125 C (E) | Industrial -40 C to +85 C (I) | Industrial -40 C to +85 C (I) | Extended -40 C to +125 C (E) | Industrial -40 C to +85 C (I) | Industrial -40 C to +85 C (I) |
Key Differentiators
- Higher operating temperature range for industrial deployments (vs PIC24FJ512GU410-I/PT)
- On-chip hardware Cryptographic Engine (vs PIC24FJ512GL410-I/PT)
- Larger Flash memory for OTA firmware space (vs PIC24FJ256GU410-I/PT)
Design Notes
Power supply decoupling for the PIC24FJ512GU410-E/PT requires a 100 nF ceramic capacitor placed within 3 mm of each VDD pin pair, plus a single 4.7 uF bulk capacitor near the device, per Microchip PIC24FJ family hardware design notes. The USB VBUS pin requires its own 4.7 uF bulk capacitor to supply transient current during USB events. Place a 10 kohm pull-up on MCLR if not driven by an external supervisor, and ensure the VBAT pin connects to a backup battery or to VDD through a low-leakage diode if RTCC retention is required during main power loss.
USB D+ and D- traces must be routed as a 90-ohm differential pair with matched length (delta < 2 mm) and a continuous ground reference plane beneath them, per USB 2.0 High-Speed layout guidelines. The 100-pin TQFP package benefits from a 4-layer PCB with a dedicated ground plane to reduce EMI and to provide thermal relief for the 1.0 W to 1.5 W maximum power dissipation. Decoupling capacitors should use vias placed as close to the VDD/VSS pads as possible, ideally with multiple vias to reduce parasitic inductance.
A common pitfall when designing with the PIC24FJ512GU410-E/PT is forgetting that LCD segment pins are multiplexed with other peripherals - selecting an LCD function reassigns the corresponding GPIO. Also, the Dual Partition OTA bootloader requires configuration bits and table reads in the IVT before locking the config; doing it out of order can brick the device. When migrating from the I-grade to E-grade variant, verify that your crystal oscillator's ESR is within the E-grade's tighter tolerance, and check that all analog references account for the wider -40 C to +125 C temperature swing.
Compliance Information
RoHS and REACH compliant per Microchip product page; not AEC-Q100 qualified - choose PIC24FJ512GB610 or similar AEC-Q100 PIC24FJ parts for automotive. Halogen-free per Microchip environmental compliance documentation.
