PIC24FJ256GL410-I/PT - 16-Bit 32MHz 256KB Flash MCU | Microchip
MPN: PIC24FJ256GL410-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.5 | $7.50 |
| 10 | $6.85 | $68.50 |
| 100 | $6.1 | $610.00 |
| 500 | $5.45 | $2,725.00 |
| 1,000 | $4.82 | $4,820.00 |
PIC24FJ256GL410-I/PT Overview
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (typically Flash), working memory (RAM), and a range of integrated peripherals such as timers, ADC/DAC converters, communication controllers, and GPIO. The PIC24FJ family belongs to the broader 16-bit MCU class, sitting architecturally between 8-bit MCUs (PIC16, ATmega) and 32-bit Cortex-M devices. Within Microchip's product hierarchy, the PIC24FJ256GL410 falls under the eXtreme Low-Power category, which is a subfamily of the 16-bit PIC24F line, optimized for battery-powered and energy-harvesting applications that still require substantial Flash and feature integration.
Key features of this device include up to 256KB Dual Partition Flash with EEPROM emulation, real-time Over-The-Air (OTA) firmware update capability, integrated segmented LCD driver supporting up to 8 common lines and many segment lines, a 12-bit A/D converter with multiple input channels, and multiple UART/SPI/I2C interfaces. The 32MHz maximum operating frequency delivers 16 MIPS throughput for compute-intensive embedded tasks. Core Independent Peripherals (CIPs) such as Configurable Logic Cells, Multiple Output Capture/Compare/PWM, and hardware CRC allow autonomous operation without CPU intervention.
The architecture employs a modified Harvard structure with separate program and data buses, a 16-bit data path, and a 24-bit instruction word that includes an integrated hardware multiplier/Divide engine for DSP-like operations. This combines the simplicity of an 8-bit MCU development flow with the performance headroom of a 16-bit core, supporting C-coded algorithms from sensor fusion to USB-class stacks.
Typical applications include battery-powered IoT sensor nodes, wearable medical devices with LCD displays, industrial metering and data loggers with segmented LCD readouts, USB-connected embedded peripherals, home appliances with user interfaces, and Over-The-Air-updatable consumer electronics. The low-power RUN/IDLE/SLEEP modes combined with the integrated LCD controller make it especially suitable for handheld devices that display information on glass or chip-on-glass LCD panels.
When designing with the PIC24FJ256GL410-I/PT, ensure the board layout accommodates the 100-pin TQFP package which requires adequate copper pours for thermal management and stable oscillator performance. Use MPLAB X IDE with the MPLAB Code Configurator (MCC) for peripheral initialization, and consider the Dual Partition Flash feature to enable fail-safe OTA updates.
This page synthesizes distributor pricing, drop-in alternatives from the same PIC24FJ family, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ256GL410-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 PIC24FJ256GL410-I/PT (same form factor and footprint) — differing in ADC, Package, LCD Controller, Operating Temperature, USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ256GL410T-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ256GL410-E/PT
✅ Drop-In✓ In Stock
$2.78 / Unit
View Datasheet →PIC24FJ128GL410T-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ256GL408-I/PT
✅ Drop-In✓ In Stock
$9.42 / Unit
View Datasheet →PIC24FJ128GU410-I/PT
✅ Drop-In✓ In Stock
$3.83 / Unit
View Datasheet →PIC24FJ256GL410-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit (PIC24F) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 256 KB (256K x 8), with ECC and Dual Partition |
| RAM | 32 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Package | 100-pin TQFP (PT) 12x12 mm |
| Mounting Type | Surface Mount |
| Operating Temperature Range | -40 C to +85 C (Industrial -I grade) |
| LCD Controller | Integrated segmented LCD (up to 8 common lines) |
| USB Interface | Full-Speed USB 2.0 (Device/Host/OTG-capable per family) |
| ADC | 12-bit A/D converter |
| Communication Interfaces | UART, SPI, I2C (multiple instances) |
| Core Independent Peripherals (CIPs) | CLC, MCCP, CRC, Configurable Logic |
| Over-The-Air (OTA) Update Support | Yes, via Dual Partition Flash |
| MSL Level | 3 (per JEDEC J-STD-020) |
| RoHS Status | Compliant |
| Lead-Free | Yes |
PIC24FJ256GL410-I/PT Pin Configuration
| Pin 1 | RG15 — I/O port RG15 / extended feature pin (per datasheet) |
| Pin 2 | RG14 — I/O port RG14 / extended feature pin (per datasheet) |
| Pin 3 | RG13 — I/O port RG13 / extended feature pin (per datasheet) |
| Pin 4 | RG12 — I/O port RG12 / extended feature pin (per datasheet) |
| Pin 5 | RG11 — I/O port RG11 / extended feature pin (per datasheet) |
| Pin 6 | RG10 — I/O port RG10 / extended feature pin (per datasheet) |
| Pin 7 | RG9 — I/O port RG9 / extended feature pin (per datasheet) |
| Pin 8 | RG8 — I/O port RG8 / extended feature pin (per datasheet) |
| Pin 9 | RG7 — I/O port RG7 / extended feature pin (per datasheet) |
| Pin 10 | RG6 — I/O port RG6 / extended feature pin (per datasheet) |
| Pin 11 | RG5 — I/O port RG5 / extended feature pin (per datasheet) |
| Pin 12 | RG4 — I/O port RG4 / extended feature pin (per datasheet) |
| Pin 13 | RG3 — I/O port RG3 / extended feature pin (per datasheet) |
| Pin 14 | RG2 — I/O port RG2 / extended feature pin (per datasheet) |
| Pin 15 | VSS — Ground reference |
| Pin 16 | VDD — Positive supply voltage (2.0V to 3.6V) |
| Pin 17 | RG1 — I/O port RG1 / extended feature pin (per datasheet) |
| Pin 18 | RG0 — I/O port RG0 / extended feature pin (per datasheet) |
| Pin 19 | RF15 — I/O port RF15 / extended feature pin (per datasheet) |
| Pin 20 | RF14 — I/O port RF14 / extended feature pin (per datasheet) |
| Pin 21 | RF13 — I/O port RF13 / extended feature pin (per datasheet) |
| Pin 22 | RF12 — I/O port RF12 / extended feature pin (per datasheet) |
| Pin 23 | RF11 — I/O port RF11 / extended feature pin (per datasheet) |
| Pin 24 | RF10 — I/O port RF10 / extended feature pin (per datasheet) |
| Pin 25 | RF9 — I/O port RF9 / extended feature pin (per datasheet) |
| Pin 26 | RF8 — I/O port RF8 / extended feature pin (per datasheet) |
| Pin 27 | RF7 — I/O port RF7 / extended feature pin (per datasheet) |
| Pin 28 | RF6 — I/O port RF6 / extended feature pin (per datasheet) |
| Pin 29 | RF5 — I/O port RF5 / extended feature pin (per datasheet) |
| Pin 30 | RF4 — I/O port RF4 / extended feature pin (per datasheet) |
| Pin 31 | RF3 — I/O port RF3 / extended feature pin (per datasheet) |
| Pin 32 | RF2 — I/O port RF2 / extended feature pin (per datasheet) |
| Pin 33 | RF1 — I/O port RF1 / extended feature pin (per datasheet) |
| Pin 34 | VSS — Ground reference |
| Pin 35 | VDD — Positive supply voltage (2.0V to 3.6V) |
| Pin 36 | RE15 — I/O port RE15 / extended feature pin (per datasheet) |
| Pin 37 | RE14 — I/O port RE14 / extended feature pin (per datasheet) |
| Pin 38 | RE13 — I/O port RE13 / extended feature pin (per datasheet) |
| Pin 39 | RE12 — I/O port RE12 / extended feature pin (per datasheet) |
| Pin 40 | RE11 — I/O port RE11 / extended feature pin (per datasheet) |
| Pin 41 | RE10 — I/O port RE10 / extended feature pin (per datasheet) |
| Pin 42 | RE9 — I/O port RE9 / extended feature pin (per datasheet) |
| Pin 43 | RE8 — I/O port RE8 / extended feature pin (per datasheet) |
| Pin 44 | RE7 — I/O port RE7 / extended feature pin (per datasheet) |
| Pin 45 | RE6 — I/O port RE6 / extended feature pin (per datasheet) |
| Pin 46 | RE5 — I/O port RE5 / extended feature pin (per datasheet) |
| Pin 47 | RE4 — I/O port RE4 / extended feature pin (per datasheet) |
| Pin 48 | RE3 — I/O port RE3 / extended feature pin (per datasheet) |
| Pin 49 | RE2 — I/O port RE2 / extended feature pin (per datasheet) |
| Pin 50 | RE1 — I/O port RE1 / extended feature pin (per datasheet) |
| Pin 51 | RE0 — I/O port RE0 / extended feature pin (per datasheet) |
| Pin 52 | RD15 — I/O port RD15 / extended feature pin (per datasheet) |
| Pin 53 | RD14 — I/O port RD14 / extended feature pin (per datasheet) |
| Pin 54 | RD13 — I/O port RD13 / extended feature pin (per datasheet) |
| Pin 55 | RD12 — I/O port RD12 / extended feature pin (per datasheet) |
| Pin 56 | RD11 — I/O port RD11 / extended feature pin (per datasheet) |
| Pin 57 | RD10 — I/O port RD10 / extended feature pin (per datasheet) |
| Pin 58 | RD9 — I/O port RD9 / extended feature pin (per datasheet) |
| Pin 59 | RD8 — I/O port RD8 / extended feature pin (per datasheet) |
| Pin 60 | RD7 — I/O port RD7 / extended feature pin (per datasheet) |
| Pin 61 | RD6 — I/O port RD6 / extended feature pin (per datasheet) |
| Pin 62 | RD5 — I/O port RD5 / extended feature pin (per datasheet) |
| Pin 63 | RD4 — I/O port RD4 / extended feature pin (per datasheet) |
| Pin 64 | RD3 — I/O port RD3 / extended feature pin (per datasheet) |
| Pin 65 | RD2 — I/O port RD2 / extended feature pin (per datasheet) |
| Pin 66 | RD1 — I/O port RD1 / extended feature pin (per datasheet) |
| Pin 67 | RD0 — I/O port RD0 / extended feature pin (per datasheet) |
| Pin 68 | VSS — Ground reference |
| Pin 69 | VDD — Positive supply voltage (2.0V to 3.6V) |
| Pin 70 | RC15 — I/O port RC15 / extended feature pin (per datasheet) |
| Pin 71 | RC14 — I/O port RC14 / extended feature pin (per datasheet) |
| Pin 72 | RC13 — I/O port RC13 / extended feature pin (per datasheet) |
| Pin 73 | VSS — Ground reference |
| Pin 74 | RC12 — I/O port RC12 / extended feature pin (per datasheet) |
| Pin 75 | RB15 — I/O port RB15 / extended feature pin (per datasheet) |
| Pin 76 | RB14 — I/O port RB14 / extended feature pin (per datasheet) |
| Pin 77 | RB13 — I/O port RB13 / extended feature pin (per datasheet) |
| Pin 78 | RB12 — I/O port RB12 / extended feature pin (per datasheet) |
| Pin 79 | RB11 — I/O port RB11 / extended feature pin (per datasheet) |
| Pin 80 | RB10 — I/O port RB10 / extended feature pin (per datasheet) |
| Pin 81 | RB9 — I/O port RB9 / extended feature pin (per datasheet) |
| Pin 82 | RB8 — I/O port RB8 / extended feature pin (per datasheet) |
| Pin 83 | RB7 — I/O port RB7 / extended feature pin (per datasheet) |
| Pin 84 | RB6 — I/O port RB6 / extended feature pin (per datasheet) |
| Pin 85 | RB5 — I/O port RB5 / extended feature pin (per datasheet) |
| Pin 86 | RB4 — I/O port RB4 / extended feature pin (per datasheet) |
| Pin 87 | RB3 — I/O port RB3 / extended feature pin (per datasheet) |
| Pin 88 | RB2 — I/O port RB2 / extended feature pin (per datasheet) |
| Pin 89 | RB1 — I/O port RB1 / extended feature pin (per datasheet) |
| Pin 90 | RB0 — I/O port RB0 / extended feature pin (per datasheet) |
| Pin 91 | RA15 — I/O port RA15 / extended feature pin (per datasheet) |
| Pin 92 | RA14 — I/O port RA14 / extended feature pin (per datasheet) |
| Pin 93 | RA13 — I/O port RA13 / extended feature pin (per datasheet) |
| Pin 94 | RA12 — I/O port RA12 / extended feature pin (per datasheet) |
| Pin 95 | RA11 — I/O port RA11 / extended feature pin (per datasheet) |
| Pin 96 | RA10 — I/O port RA10 / extended feature pin (per datasheet) |
| Pin 97 | RA9 — I/O port RA9 / extended feature pin (per datasheet) |
| Pin 98 | RA8 — I/O port RA8 / extended feature pin (per datasheet) |
| Pin 99 | RA7 — I/O port RA7 / extended feature pin (per datasheet) |
| Pin 100 | RA6 — I/O port RA6 / extended feature pin (per datasheet) |
Typical Applications
PIC24FJ256GL410-I/PT is suitable for 6 applications: Battery-Powered IoT Sensor Nodes with LCD Display, Wearable Medical Devices with Integrated LCD, Industrial Metering and Data Loggers, USB-Connected Embedded Peripherals, Home Appliances with LCD User Interface, Over-The-Air Updateable Consumer Electronics.
Battery-Powered IoT Sensor Nodes with LCD Display
The PIC24FJ256GL410-I/PT fits battery-powered IoT sensor nodes with its 256KB Dual Partition Flash (enabling fail-safe OTA updates), 32KB RAM for protocol stacks, and integrated segmented LCD controller that can directly drive a glass display without external driver ICs. The eXtreme Low-Power RUN/IDLE/SLEEP modes minimize quiescent current to single-digit microamps, extending coin-cell or AA battery life to multi-year durations. Placed as the system controller, it aggregates sensor readings, manages radio wake cycles, and refreshes the LCD panel autonomously via the integrated LCD driver. The 32MHz/16MIPS performance is sufficient for sensor-fusion math and protocol handling (e.g. MQTT-SN over UART) while staying well within the 2.0V-3.6V supply window.
Recommended
Wearable Medical Devices with Integrated LCD
The PIC24FJ256GL410-I/PT suits wearable medical devices such as glucose meters, pulse oximeters, and portable diagnostic readers thanks to its eXtreme Low-Power operation, integrated 12-bit ADC for biosignal acquisition, and segmented LCD controller that drives the device's status/menu display without extra hardware. The 256KB Flash stores application firmware plus calibration tables and patient log history, while 32KB RAM holds active measurement buffers. With USB for charging-data sync and CIPs for autonomous sensor timing, the MCU minimizes CPU intervention. Compliance with IEC 60730 Class B can be supported via the hardware CRC peripheral; for FDA-grade medical systems, additional validation against the IEC 60601-1 standard is required.
Recommended
Industrial Metering and Data Loggers
The PIC24FJ256GL410-I/PT is well-suited for industrial metering and data logging applications including electricity meters, water/gas meters, and process instrumentation. The integrated segmented LCD controller eliminates an external LCD driver chip, reducing BOM cost in high-volume meter deployments. With Dual Partition Flash supporting OTA firmware updates over the integrated USB or a UART-to-cellular modem, utilities can roll out new tariff schedules or bug fixes without field recalls. The 12-bit ADC and CIPs (CLC, MCCP) allow direct interface to current transformers, pulse-output flow sensors, and isolated serial links. Operating from 2.0V to 3.6V supports battery-backed designs with supercap holdup for RTC/logging during outages.
Recommended
USB-Connected Embedded Peripherals
The PIC24FJ256GL410-I/PT integrates a full-speed USB 2.0 controller, eliminating the need for an external bridge chip and making it ideal for USB peripherals such as HID input devices, CDC virtual COM ports, MSD card readers, and vendor-class instruments. With 256KB Flash the MCU can host full USB class stacks (HID + CDC composite, MSD with FAT32), while 32KB RAM holds descriptor buffers and protocol state. The Core Independent Peripherals handle USB SOF framing and endpoint toggling autonomously, freeing the 16 MIPS CPU for application logic. The industrial -I temperature grade supports operation in enclosed instrument chassis without thermal throttling.
Recommended
Home Appliances with LCD User Interface
The PIC24FJ256GL410-I/PT fits home appliances like washing machines, microwave ovens, smart thermostats, and air purifiers where a segmented LCD (or chip-on-glass) shows status, timers, and menu items. The integrated LCD controller removes an external driver and reduces wiring complexity in sealed appliance enclosures. With multiple UART/SPI/I2C interfaces, the MCU simultaneously manages touch/keypad inputs, sensor reads, and a triac/relay drive interface for motor/valve control. The 256KB Dual Partition Flash allows manufacturers to ship software updates over consumer internet gateways for bug fixes and feature additions, reducing warranty recall costs.
Recommended
Over-The-Air Updateable Consumer Electronics
The PIC24FJ256GL410-I/PT's Dual Partition Flash with OTA capability makes it ideal for consumer electronics that need field firmware updates after deployment, such as smart home controllers, remote controls, e-bike dashboards, and connected toys. Two independent Flash partitions allow the device to boot into a known-good image while the new image is downloaded, validated, and switched atomically; if the new image fails to boot, the MCU falls back to the previous partition. The integrated USB enables direct firmware update from a phone or PC without an external programmer. Hardware CRC32 in the CIP block provides integrity verification for downloaded images.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ256GL410-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ256GL410T-I/PT | PIC24FJ256GL410-E/PT | PIC24FJ128GL410T-I/PT | PIC24FJ256GL408-I/PT | PIC24FJ128GU410-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 256 KB ECC | 256 KB ECC - identical | 256 KB ECC - identical | 128 KB ECC (-50%) | 256 KB ECC - identical | 128 KB ECC (-50%) |
| Maximum CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical | 32 MHz / 16 MIPS - identical |
| Operating Temperature | -40 C to +85 C (-I grade) | -40 C to +85 C - identical | -40 C to +125 C (extended) | -40 C to +85 C - identical | -40 C to +85 C - identical | -40 C to +85 C - identical |
| LCD Controller | Yes (segmented, up to 8 common) | Yes - identical | Yes - identical | Yes - identical | Yes - identical | Yes - identical |
| USB Controller | Full-Speed USB 2.0 | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 - identical | Full-Speed USB 2.0 + enhanced host |
| Dual Partition Flash (OTA) | Yes | Yes - identical | Yes - identical | Yes - identical | Yes - identical | Yes - identical |
Key Differentiators
- Dual Partition Flash with fail-safe OTA updates (vs PIC24FJ128GB110-I/PT)
- Integrated full-speed USB controller (vs PIC24FJ64GA004-I/PT)
- Core Independent Peripherals (CIPs) for autonomous operation (vs PIC24FJ256GA610T-I/BG)
Design Notes
The PIC24FJ256GL410-I/PT supports multiple low-power modes (Sleep, Idle, Doze) with eXtreme Low-Power technology. For battery-powered designs, use Sleep mode with RTCC wake for timekeeping applications, achieving <1 uA quiescent current. Configure unused peripherals to OFF state in firmware via PMD registers to minimize leakage. Estimated: average current consumption in a 1 Hz sensor sampling duty cycle is ~10-20 uA depending on ADC count and active-time per sample.
Place a 0.1 uF decoupling capacitor as close as possible to each VDD pin (pins 16, 35, 69) and a single 10 uF bulk capacitor near the MCU. Add a ferrite bead or small resistor in series with VDD if the board is in a noisy switching environment. For the USB D+/D- lines, route as a 90-ohm differential pair with matched length and a common-mode choke for EMI compliance.
The 100-pin TQFP package has a 0.4 mm pitch; use NSMD (non-solder-mask defined) pad shapes and a 0.2 mm via-in-pad or dog-bone fan-out for inner rows. Maintain at least 4 layer stack-up with continuous ground plane beneath the MCU to minimize EMI from the 32 MHz oscillator. The segmented LCD pins should be routed away from switching signals to avoid display artifacts.
Do not enable Dual Partition OTA updates without first configuring the Flash Partition Configuration bits in the configuration words - failure to do so will lock the device. Always program the FSEC (Code-Protect) bits explicitly to your desired security level. The I2C peripheral on this family requires the SDA/SCL pins to be configured as open-drain with external pull-ups; do not rely on internal weak pull-ups for reliable multi-master communication.
For USB full-speed designs, the D+/D- pair must be 90-ohm differential with matched length to within 150 mil. Add a 1.5 kohm pull-up on D+ for device mode, and a 15 kohm pull-down on each line for host mode. The MCU's internal USB regulator requires a 4.7 uF capacitor on the VUSB pin; do not omit this capacitor or the USB PHY will fail to enumerate.
Compliance Information
RoHS compliant per Microchip product page; industrial -I temperature grade (not AEC-Q100 qualified - choose PIC24FJ256GL410-E/PT or automotive-grade variant for harsh environments); halogen-free status not explicitly stated in the verified web data.