PIC24FJ256GA410-I/PT - 16-bit 256KB Flash XLP MCU | Microchip
MPN: PIC24FJ256GA410-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $9.8 | $9.80 |
| 10 | $8.82 | $88.20 |
| 100 | $7.74 | $774.00 |
| 500 | $6.85 | $3,425.00 |
| 1,000 | $6.18 | $6,180.00 |
PIC24FJ256GA410-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, memory, and programmable I/O peripherals. The PIC24F family sits in Microchip's 16-bit MCU portfolio between the 8-bit PIC16/PIC18 devices and the 32-bit PIC32MX/ME families, using a modified Harvard RISC architecture optimized for low-power embedded designs with rich peripheral integration. Within this hierarchy, the PIC24FJ256GA410 is the highest-memory variant of the GA410 subfamily and adds security, segmented LCD, and USB-friendly peripherals.
Key differentiating features include an integrated crypto module (AES/SHA support), dual-partition Flash for safe field upgrades, segmented LCD driver (up to 512 segments), 10/12-bit ADC, multiple UART/SPI/I2C interfaces, and Microchip's XLP technology achieving <100 nA standby current. The combination of crypto + segmented LCD + dual-partition Flash in a single 100-pin TQFP is rare among 16-bit MCUs and is the primary reason designers choose this part.
Typical applications include secure point-of-sale terminals, IoT edge nodes with display, metering and instrumentation with segmented LCD readouts, secure industrial HMIs, medical devices requiring authenticated firmware, and battery-powered sensor hubs. The XLP modes and crypto acceleration make it well-suited to designs that must stay in standby for years while offering authenticated firmware updates.
When designing with this MCU, budget adequate PCB copper around the TQFP thermal pad, plan the dual-partition Flash bootloader in advance, and verify the segmented LCD bias network against your glass. Use MPLAB X IDE with the XC16 compiler and the PIC24FJ256GA410 plug-in module (PIM) for evaluation.
This page synthesizes distributor pricing, drop-in alternative MPNs, parametric comparison, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ256GA410-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 PIC24FJ256GA410-I/PT (same form factor and footprint) — differing in ADC, Operating Temperature, Program Memory (Flash), Package, Core.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ256GA410T-I/PT
✅ Drop-In✓ In Stock
$6.95 / Unit
View Datasheet →PIC24FJ256GB410-I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ128GA410-I/PT
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC24FJ256GA110-I/PT
✅ Drop-In✓ In Stock
$5.61 / Unit
View Datasheet →PIC24FJ128GA110-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ256GA410-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F (16-bit modified Harvard RISC) |
| Family | PIC® XLP™ 24F |
| Program Memory (Flash) | 256 KB (85.5K x 24 words) |
| RAM | 16 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage Range | 2.0 V to 3.6 V (typical 2.5 V/3.3 V) |
| Operating Temperature | -40 C to +85 C (Industrial, -I suffix) |
| Package | 100-pin TQFP (PT), 12 x 12 mm |
| ADC | 10/12-bit |
| Crypto Module | Integrated (AES / SHA support) |
| Communication Interfaces | Multiple UART, SPI, I2C |
| Flash Partitioning | Dual partition Flash for live update |
| Low-Power Modes | XLP eXtreme Low Power (<100 nA standby) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
| Supply Form | Tray |
PIC24FJ256GA410-I/PT 100-pin tqfp (pt), 12 x 12 mm Pin Configuration Guide
Pin configuration for PIC24FJ256GA410-I/PT (100-pin tqfp (pt), 12 x 12 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 PIC24FJ256GA410-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ256GA410-I/PT is suitable for 7 applications: Secure Point-of-Sale Terminal, Battery-Powered IoT Sensor Hub with LCD, Industrial HMI with Segmented LCD, Medical Device Firmware Authentication, Smart Metering and Utility Endpoints, Automotive Accessory Modules, Consumer Appliance User Interface.
Secure Point-of-Sale Terminal
The PIC24FJ256GA410-I/PT fits secure POS terminals because its integrated hardware crypto engine (AES/SHA) accelerates PIN-block encryption and EMV transaction authentication directly on-chip, eliminating an external secure element. Its 256 KB dual-partition Flash allows a tamper-resistant bootloader in one partition and the EMV application image in the other, supporting signed firmware updates that the crypto module can verify at boot. The 16 KB RAM is adequate for ISO 8583 message buffering and PIN-pad key handling without external memory, and the XLP sub-100 nA standby keeps the terminal's RTC running for years on a backup coin cell. Compared to a discrete crypto + general MCU design, the GA410 reduces BOM cost and PCB footprint while still meeting PCI PTS POI security targets.
Recommended
Battery-Powered IoT Sensor Hub with LCD
The PIC24FJ256GA410-I/PT is a natural fit for battery-powered IoT sensor hubs that also drive a local segmented LCD readout for status, temperature, or metering values. Its on-chip segmented LCD driver eliminates a dedicated LCD controller, saving BOM cost and PCB area, while the XLP technology delivers sub-100 nA standby current so the hub can sleep between sensor reads for years on AA cells. The 256 KB Flash holds over-the-air update payloads plus the application image via dual-partition live update, and the integrated crypto engine verifies image signatures before applying. Multiple UART/SPI/I2C instances let it bridge multiple sensors and a wireless modem (LoRa, BLE, Sub-GHz) concurrently, with 16 KB RAM sufficient for sensor fusion buffers and command queues.
Recommended
Industrial HMI with Segmented LCD
For industrial human-machine interfaces that drive a segmented LCD and must operate reliably in noisy factory environments, the PIC24FJ256GA410-I/PT offers the right balance of memory, peripheral count, and ruggedness. Its 100-pin TQFP exposes the maximum peripheral set including multiple UART, SPI, and I2C instances for connecting motor controllers, sensors, and communication gateways. The -40 C to +85 C industrial temperature grade covers most factory-floor enclosures, and the segmented LCD driver (up to 512 segments in highest multiplex mode) eliminates a separate LCD chip in compact operator panels. Designers can use the integrated crypto engine to authenticate firmware and field updates, while the dual-partition Flash prevents bricking during HMI firmware refreshes across a deployed fleet.
Recommended
Medical Device Firmware Authentication
The PIC24FJ256GA410-I/PT is a strong match for medical devices that must verify firmware authenticity before executing, because its integrated crypto engine accelerates AES and SHA algorithms used in signed firmware verification. In designs such as portable infusion pumps, diagnostic readers, and patient monitors, this lets the device check a firmware signature during the bootloader phase without external crypto hardware, reducing BOM and supply-chain attack surface. The 256 KB dual-partition Flash supports safe field updates that meet FDA post-market cybersecurity guidance, while 16 KB RAM handles vital-signs buffers and communication stacks. The XLP low-power modes help battery-powered devices pass IEC 60601-1-8 alarm and standby requirements, and the -I industrial temperature grade covers most clinical environments.
Recommended
Smart Metering and Utility Endpoints
The PIC24FJ256GA410-I/PT supports smart electricity, water, and gas meters that must display consumption on a segmented LCD, authenticate firmware, and operate for years on a battery or harvested supply. Its on-chip LCD driver eliminates the auxiliary LCD controller found in older designs, while XLP technology drives standby current below 100 nA so the meter can sleep between consumption pulses. The crypto engine authenticates firmware images uploaded during meter provisioning and during field updates, addressing utility cybersecurity requirements. Multiple UART/SPI/I2C channels enable concurrent connectivity to a wireless M-Bus, LoRa, or RF mesh modem, and 16 KB RAM accommodates rolling consumption logs and time-of-use tariff buffers that survive power-line outages via the on-chip backup domain.
Recommended
Automotive Accessory Modules
For automotive accessory modules - dash accessories, sensor clusters, and aftermarket HMI panels - the PIC24FJ256GA410-I/PT provides the segmented LCD, memory, and peripheral count needed for compact, low-power displays. Its 100-pin TQFP exposes multiple SPI, UART, and I2C instances for CAN-transceiver bridges, sensor front-ends, and lighting controllers. While this part is the industrial (-I) temperature grade and not AEC-Q100 qualified, it is widely used in non-safety automotive accessory applications such as garage door openers, dashcam user interfaces, and aftermarket climate-control panels. The crypto engine secures accessory pairing and firmware integrity, while dual-partition Flash enables over-the-air feature updates during the vehicle's lifetime without dealer visits.
Recommended
Consumer Appliance User Interface
The PIC24FJ256GA410-I/PT powers rich user interfaces in consumer appliances - coffee machines, washing machines, smart ovens - where a segmented or character LCD shows status, menu selections, and timer countdowns. Its on-chip LCD driver eliminates a separate display chip, the XLP modes preserve battery backup on the RTC clock, and the dual-partition Flash allows brand owners to push feature updates to deployed units without service calls. The crypto engine can authenticate the appliance's cloud connection so consumers can pair it with mobile apps securely, addressing growing IoT-security expectations. With 256 KB Flash and 16 KB RAM, designers have headroom for multi-language UI strings, recipe libraries, and connectivity stacks (Wi-Fi, BLE) running concurrently on top of the appliance's main control loop.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ256GA410-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ256GA410T-I/PT | PIC24FJ256GB410-I/PT | PIC24FJ128GA410-I/PT | PIC24FJ256GA110-I/PT | PIC24FJ128GA110-I/PT |
|---|---|---|---|---|---|---|
| Package | 100-pin TQFP (PT) | 100-pin TQFP (PT) | 100-pin TQFP (PT) | 100-pin TQFP (PT) | 100-pin TQFP (PT) | 100-pin TQFP (PT) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 256 KB | 256 KB | 256 KB | 128 KB | 256 KB | 128 KB |
| RAM | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB | 16 KB |
| Integrated Crypto Engine | Yes (AES/SHA) | Yes (AES/SHA) | Yes (AES/SHA) | Yes (AES/SHA) | No | No |
| USB 2.0 Peripheral | No | No | Yes (with on-chip transceiver) | No | No | No |
| Maximum 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 | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) | -40 C to +85 C (Industrial) |
| Dual-Partition Flash | Yes | Yes | Yes | Yes | No | No |
Key Differentiators
- Integrated hardware crypto engine (AES/SHA) in a 16-bit PIC24F MCU (vs PIC24FJ256GA110-I/PT)
- Dual-partition Flash for safe in-field firmware updates (vs PIC24FJ128GA110-I/PT)
- Largest on-chip memory configuration in the PIC24F GA4xx family (vs PIC24FJ128GA410-I/PT)
- Segmented LCD driver integrated with crypto and dual-partition Flash (vs PIC24FJ256GB410-I/PT)
Design Notes
Decouple both VDD and the on-chip regulator output (VDDCORE) with low-ESR ceramic capacitors placed within 5 mm of the pins. According to the Microchip datasheet, a 10 uF bulk + 0.1 uF high-frequency bypass pair on VDD plus a 10 uF + 0.1 uF pair on VDDCORE is the minimum recommended network. Estimated: at 32 MHz and full peripheral activity, the GA410 draws roughly 15 mA from VDD, so budget for a regulator with at least 50 mA headroom and a wide-input LDO if the source is a noisy 5 V or 12 V rail.
The 100-pin TQFP (PT) footprint is 12 x 12 mm with 0.5 mm pitch - plan PCB real estate for full-power-trace fan-out and avoid routing signals under the package body. The exposed thermal pad underneath (if present in your pinout variant) should be soldered to a copper pour tied to GND for thermal relief, even though the GA410's typical power dissipation is below 0.5 W. Use a 4-layer stackup with a continuous GND plane beneath the MCU to minimize EMI from the high-speed oscillator traces.
Do not skip configuring the on-chip voltage regulator's capacitor on the ENVREG / VCAP pin - leaving it floating causes core voltage instability and intermittent firmware corruption. According to Microchip errata practice, ensure the SEGx LCD bias network matches the multiplex mode you select; using the wrong resistor values causes display ghosting or low contrast. Finally, when enabling the crypto engine, lock the RTCC and configuration bits early in the bootloader so that a power glitch cannot bypass signature verification on the next boot.
Estimated: at VDD=3.3 V, full 32 MHz operation, and all peripherals active, the GA410 dissipates around 50-80 mW - well within the 100-pin TQFP's thermal envelope (theta_JA approximately 50 C/W on a 4-layer JEDEC test board). No heatsink or special copper pour is required for typical indoor use. For sealed enclosures above 60 C ambient, derate peripheral activity (gate unused timers, slow the ADC) or move to the PIC24FJ256GB410 family with similar thermal profile but USB support.
Compliance Information
RoHS compliant per Microchip product page and authorized distributor listings. Industrial temperature grade (-I suffix), not AEC-Q100 qualified - select AEC-Q100 parts for automotive safety applications. Lead-free and halogen-free per Microchip environmental compliance documentation.