PIC24FJ256GL410-E/PT - 16-Bit 256KB Flash MCU w/ USB & LCD | Microchip
MPN: PIC24FJ256GL410-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.32 | $4.32 |
| 10 | $3.89 | $38.90 |
| 100 | $3.46 | $346.00 |
| 500 | $3.1 | $1,550.00 |
| 1,000 | $2.78 | $2,780.00 |
PIC24FJ256GL410-E/PT Overview
A microcontroller (MCU) is a single-chip computer that contains a processor core, program memory (Flash), data memory (RAM), and a wide array of integrated peripherals such as timers, communication interfaces, ADCs, and CIPs. MCUs belong to the broader category of embedded processors (sitting alongside microprocessors and DSPs) and form the lowest tier of the embedded-computing hierarchy, executing firmware directly from on-chip Flash to control real-world systems. The PIC24F family in particular targets low-power, deterministic applications, ranking as a 16-bit MCU -> 16-bit embedded controller -> microcontroller -> embedded processor -> semiconductor.
Key features of the PIC24FJ256GL410-E/PT include up to 512KB dual-partition Flash supporting live Over-The-Air (OTA) firmware updates with EEPROM emulation, a 10-bit ADC and a 10/12-bit ADC variant, hardware crypto acceleration, deep sleep current in the nanoamp range, and multiple CIPs such as Configurable Logic Cells and 16-bit PWM. The 100-pin TQFP package provides ample GPIO for driving segmented LCD glass directly while still exposing USB, I2C, SPI, UART, and PPS (Peripheral Pin Select).
Architecturally, the device uses a 16-bit modified Harvard core with a 24-bit instruction word and 16-bit data path, paired with a highly flexible clock tree that supports run, idle, and sleep modes for energy-aware design. The dual-partition Flash is the central differentiator, allowing one partition to run code while the other receives an OTA update.
Typical applications include IoT edge nodes with secure OTA, smart metering, medical wearables, industrial HMI panels with segmented LCD, USB human-interface devices, and low-power sensor hubs. When designing with this MCU, allocate a portion of Flash for OTA staging, plan segmented-LCD bias networks carefully, and use PPS to remap peripherals without board rework.
Drop-in alternatives for PIC24FJ256GL410-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 PIC24FJ256GL410-E/PT (same form factor and footprint) — differing in ADC, Package, Operating Temperature, USB, LCD Controller.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ512GL410-I/PT
✅ Drop-In✓ In Stock
$5.05 / Unit
View Datasheet →PIC24FJ256GU410-I/PT
✅ Drop-In✓ In Stock
$4.35 / Unit
View Datasheet →PIC24FJ256GB410-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ128GL410T-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ256GA410-I/PT
✅ Drop-In✓ In Stock
$6.18 / Unit
View Datasheet →PIC24FJ256GL410-E/PT Maximum Ratings & Electrical Characteristics
| Family | PIC24F 'GL4' eXtreme Low-Power |
| Core | 16-bit modified Harvard |
| Max CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB |
| Data Memory (RAM) | 32 KB |
| Dual-Partition Flash | Yes (live OTA update supported) |
| Operating Voltage | 2.0 V to 3.6 V |
| USB | Full-Speed USB 2.0 Device |
| LCD Controller | Segmented LCD, up to 512 segments |
| ADC | 10-bit / 10-12-bit ADC |
| Core Independent Peripherals (CIPs) | Yes (CLC, 16-bit PWM, etc.) |
| Crypto Acceleration | Hardware crypto module |
| Package | 100-pin TQFP (12x12 mm) |
| Operating Temperature | -40C to +125C (E grade = Extended) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24FJ256GL410-E/PT 100-pin tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for PIC24FJ256GL410-E/PT (100-pin tqfp (12x12 mm) package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for PIC24FJ256GL410-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ256GL410-E/PT is suitable for 6 applications: IoT Edge Nodes with USB and OTA, Smart Metering and Utility Endpoints, Medical Wearables and Health Monitors, Industrial HMI Panels with Segmented LCD, USB Human-Interface Devices (HID), Low-Power Sensor Hubs and Data Loggers.
IoT Edge Nodes with USB and OTA
The PIC24FJ256GL410-E/PT is purpose-built for low-power IoT edge nodes because it integrates full-speed USB 2.0 and dual-partition Flash for live OTA updates in a single 100-pin TQFP. Its nanoamp deep-sleep current combined with 16 MIPS compute lets designers run periodic sensor sampling on a coin cell for years, then wake and stream over USB when docked. The 256 KB Flash accommodates a TCP/IP or LoRaWAN stack plus OTA staging, while the segmented LCD controller is unused in headless IoT nodes. Engineers should pair the device with an external 32.768 kHz crystal for RTC-based sleep scheduling and use the PPS (Peripheral Pin Select) to route I2C/SPI sensors without board rework.
Recommended
Smart Metering and Utility Endpoints
The PIC24FJ256GL410-E/PT suits smart electricity, gas, and water meters thanks to its integrated segmented LCD controller (up to 512 segments) and deep-sleep currents under 1 uA. The 16-bit modified Harvard core executes metering algorithms at 16 MIPS, while the 32 KB RAM buffers instantaneous power calculations before periodic LCD refresh. Hardware crypto accelerates secure authentication with utility head-ends, and dual-partition Flash allows regulatory firmware updates in the field without service interruption. Designers should bias the LCD using Microchip's recommended charge-pump configuration and add an external EEPROM emulation page within the 256 KB Flash for rolling interval logs.
Recommended
Medical Wearables and Health Monitors
The PIC24FJ256GL410-E/PT's eXtreme Low-Power modes and integrated 10/12-bit ADC make it a strong fit for battery-powered medical wearables such as pulse oximeters, continuous glucose monitors, and digital thermometers. The 256 KB Flash stores algorithm code and calibration tables, while the segmented LCD drives a low-power always-on display without backlight. USB enables tethered firmware upgrade and data download during clinic visits, and the -40C to +125C extended grade handles disinfection environments. Designers should use the Configurable Logic Cells (CIPs) to wake the core only on sensor thresholds, maximizing battery life to weeks or months per charge.
Recommended
Industrial HMI Panels with Segmented LCD
Industrial human-machine interface (HMI) panels benefit from the PIC24FJ256GL410-E/PT's 100-pin TQFP GPIO count and segmented LCD controller that drives up to 512 segments of glass directly - no external LCD driver IC needed. The PIC24F core runs menu logic and CIPs handle button debouncing and rotary-encoder timing in hardware, offloading the CPU. USB serves as a configuration port for production line programming, and dual-partition Flash enables safe field firmware updates on deployed equipment. The 2.0-3.6V supply simplifies integration with 3.3V industrial sensor backplanes.
Recommended
USB Human-Interface Devices (HID)
The PIC24FJ256GL410-E/PT is an excellent fit for USB HID peripherals such as custom keyboards, industrial controllers, and laboratory instruments where on-chip USB eliminates the need for an external transceiver. Its 16 MIPS performance easily handles HID report generation and debouncing, while the 256 KB Flash supports vendor-specific report formats and embedded scripting. Deep-sleep currents under 1 uA suit USB-bus-powered devices that must comply with suspend-current limits (<2.5 mA). The extended -40C to +125C temperature grade is appropriate for ruggedized industrial or laboratory equipment.
Recommended
Low-Power Sensor Hubs and Data Loggers
The PIC24FJ256GL410-E/PT excels as a low-power sensor hub that aggregates I2C/SPI sensor traffic, performs local edge processing, and stores time-stamped data using EEPROM emulation in its dual-partition Flash. CIPs (CLC, 16-bit PWM, math accelerator) let the device wake on sensor thresholds and run signal conditioning autonomously, preserving battery. USB provides tethered data download without removing the SD card or opening an enclosure, and the segmented LCD can display real-time readings. Engineers should reserve a dedicated Flash sector for the EEPROM-emulation log to prevent wear-leveling collisions with the application partition.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ256GL410-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ512GL410-I/PT | PIC24FJ256GU410-I/PT | PIC24FJ256GB410-I/PT | PIC24FJ128GL410T-I/PT | PIC24FJ256GA410-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 256 KB | 512 KB | 256 KB | 256 KB | 128 KB | 256 KB |
| RAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 16 KB |
| Dual-Partition Flash (OTA) | Yes | Yes | Yes | No (single partition) | Yes | No |
| USB 2.0 Full-Speed | Yes | Yes | Yes | Yes | Yes | No |
| Max 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 |
| Operating Temperature | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
Key Differentiators
- Dual-partition Flash with live OTA support (vs PIC24FJ256GB410-I/PT)
- On-chip full-speed USB 2.0 (vs PIC24FJ256GA410-I/PT)
- Higher 32 KB RAM vs older GA4 family (vs PIC24FJ256GA410-I/PT)
Design Notes
Estimated: at VDD=3.3V and active CPU at 32 MHz / 16 MIPS, the PIC24FJ256GL410-E/PT draws approximately 8-12 mA active. In deep sleep with RTC running from LPRC, current drops below 1 uA. For battery-powered IoT designs, duty-cycle the CPU to <1% using a 32.768 kHz crystal and the RTCC alarm to maximize coin-cell life. The 2.0-3.6V supply range lets you bypass an LDO by running directly from a fresh Li-Ion cell at 3.0-3.6V.
Do not enable USB and the segmented LCD simultaneously at high segment counts without verifying the regulator's 100 mA peak capacity - the LCD charge pump plus USB transceiver can spike above the 3.3V LDO rating during enumeration. Use the internal LDO bypass mode and bulk-decouple VUSB with a 10 uF ceramic. When programming dual-partition OTA images, always include a fail-safe bootloader in a protected boot segment; writing to the wrong partition without the bootloader will brick the device.
Place the 100-pin TQFP on a 4-layer PCB with a continuous ground plane beneath the device to handle the segmented LCD's high-frequency charge-pump switching. Keep the USB DP/DM traces 90-ohm differential, length-matched within 150 mil, and routed over an unbroken ground pour. Decouple each VDD/VSS pair with a 100 nF ceramic placed within 2 mm of the pin, plus a 10 uF bulk near the regulator output. Route the segmented LCD segment/com outputs away from the USB differential pair to avoid crosstalk into the LCD glass.
Estimated: at active 10 mA and 3.3V, the PIC24FJ256GL410-E/PT dissipates approximately 33 mW - negligible for the 100-pin TQFP at 31 C/W theta_JA, giving a junction rise under 1 C above ambient. Even at industrial -40C to +125C extremes, no heatsink or thermal copper pour is required. However, in sealed enclosures with no airflow, derate the operating temperature by 10 C to maintain margin for self-heating during sustained USB activity.
Compliance Information
RoHS and REACH compliance per Microchip product page; lead-free terminations confirmed. Not AEC-Q100 qualified - this part is for industrial/consumer, not automotive. For automotive designs, request the AEC-Q100-qualified PIC24FJ256GL410-E/PT variant through Microchip sales.
