PIC24FJ128GA410T-I/PT - 16-bit XLP MCU 128KB Flash 32MHz TQFP-100
MPN: PIC24FJ128GA410T-I/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.95 | $6.95 |
| 10 | $6.2 | $62.00 |
| 100 | $5.45 | $545.00 |
| 500 | $4.85 | $2,425.00 |
| 1,000 | $4.3 | $4,300.00 |
PIC24FJ128GA410T-I/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and peripheral interfaces (UART, I2C, SPI, ADC, timers) on a single silicon die. Within the broader taxonomy, the PIC24FJ128GA410 belongs to the 16-bit MCU category, sits within the PIC24F sub-family of Microchip's PIC product line, and falls under the wider class of embedded microcontrollers used in industrial, medical, and consumer electronic systems.
Key differentiating features include dual-partition Flash architecture with live update support, integrated cryptographic acceleration (AES, DES, SHA, RNG), up to 16 KB RAM, segmented LCD controller (up to 256 segments), USB 2.0 full-speed OTG, and multiple communication peripherals (UART, SPI, I2C). The XLP technology delivers nanoWatt sleep currents as low as 20 nA in deep sleep, enabling multi-year coin-cell operation.
The architecture is based on a modified Harvard RISC design with a 16-bit data path, 24-bit instruction word, and hardware multiply/divide unit delivering up to 16 MIPS performance. The dual-partition Flash enables bootloader-based field firmware upgrades without external memory, while the crypto engine offloads AES-128/192/256, SHA-256, and true random number generation from the CPU for secure IoT applications.
Typical applications include secure IoT edge nodes with TLS acceleration, battery-powered medical sensors with segmented LCD displays, industrial metering and data loggers, secure payment terminals, and portable consumer devices requiring USB connectivity. The integrated LCD driver eliminates external display controllers, reducing BOM cost and PCB footprint.
When designing with this device, allocate sufficient PCB area for the 100-pin TQFP land pattern (0.4 mm pitch) and consider using Microchip's MPLAB Harmony framework for peripheral initialization. Decouple VDD/VSS pairs with 100 nF ceramic capacitors placed within 5 mm of each power pin.
This page synthesizes distributor pricing, drop-in alternatives, application guidance, and design notes that complement but are not found in the manufacturer datasheet.
Drop-in alternatives for PIC24FJ128GA410T-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 PIC24FJ128GA410T-I/PT (same form factor and footprint) — differing in ADC, Operating Temperature, Package, Core Architecture, MSL Level.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ128GA410-I/PT
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC24FJ128GA410-I/BG
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ128GA310T-I/PF
✅ Drop-In✓ In Stock
$4.46 / Unit
View Datasheet →PIC24FJ128GA310-I/PT
✅ Drop-In✓ In Stock
$4.85 / Unit
View Datasheet →PIC24FJ128GA110-I/PT
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →PIC24FJ128GA410T-I/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC 16-bit modified Harvard RISC |
| CPU Speed | 32 MHz max (16 MIPS) |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data RAM | 16 KB |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 100-pin TQFP (12x12 mm) |
| Pin Pitch | 0.4 mm |
| I/O Pins | 85 (approx.) |
| Crypto Engine | Integrated (AES, DES, SHA, RNG) |
| LCD Controller | Segmented, up to 256 segments |
| USB | USB 2.0 Full-Speed OTG |
| ADC | 10/12-bit SAR, multiple channels |
| Communication | UART, SPI, I2C |
| Timers | Multiple 16-bit timers |
| DMA | 8-channel |
| RoHS Status | Compliant |
| Mounting Type | Surface Mount |
PIC24FJ128GA410T-I/PT 100-pin tqfp (12x12 mm) Pin Configuration Guide
Pin configuration for PIC24FJ128GA410T-I/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 PIC24FJ128GA410T-I/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ128GA410T-I/PT is suitable for 7 applications: Secure IoT Edge Nodes with TLS Acceleration, Battery-Powered Medical Sensor with Segmented LCD, Industrial Metering and Data Logging, Secure Payment Terminals and PIN Pads, Portable Consumer Devices with USB Connectivity, HMI Control Panels with Local Display, Automotive Aftermarket and Telematics.
Secure IoT Edge Nodes with TLS Acceleration
The PIC24FJ128GA410T-I/PT is ideal for IoT edge nodes that require hardware-accelerated cryptography to offload TLS handshake overhead from the 32 MHz / 16 MIPS CPU. The integrated crypto engine performs AES-128/192/256 encryption, SHA-256 hashing, and true random number generation in hardware, enabling secure MQTT/HTTPS connections without external ATECC608B secure elements. The 128 KB Flash accommodates full TLS stacks and OTA update code, while the 16 KB RAM supports multiple TLS session buffers. Operating from 2.0-3.6 V, the device draws sub-uA current in sleep, suiting battery-powered sensor nodes transmitting periodic readings over Wi-Fi or LoRa co-processor links via UART/SPI. The industrial -40C to +85C temperature range supports outdoor deployment in industrial IoT sensor cabinets.
Recommended
Battery-Powered Medical Sensor with Segmented LCD
The PIC24FJ128GA410T-I/PT targets portable medical devices such as glucose meters, pulse oximeters, and digital thermometers where a segmented LCD display eliminates the need for a separate display controller IC. The integrated LCD driver supports up to 256 segments directly, driving custom glass while the CPU sleeps in XLP mode at sub-uA current. The 10/12-bit SAR ADC delivers accurate analog measurements from bio-sensor electrodes, while the 128 KB Flash stores patient logs and calibration curves. Combined with eXtreme Low Power modes that draw nanoamps during LCD refresh, the MCU enables multi-year coin-cell operation. The industrial temperature range supports refrigerated pharmaceutical storage monitoring and bedside patient equipment.
Recommended
Industrial Metering and Data Logging
The PIC24FJ128GA410T-I/PT suits industrial electricity meters, water flow loggers, and gas meters that require tamper-resistant cryptographic sealing, segmented LCD for kWh displays, and long-term data retention in Flash. The dual-partition Flash architecture enables secure firmware updates in the field by utility crews, while the integrated SHA-256 engine validates signed firmware before boot. The 16 KB RAM and 128 KB Flash accommodate hourly consumption logs spanning multiple years before remote upload. Multiple UART and I2C interfaces support external communication modules for AMR (Automatic Meter Reading) backhaul. The -40C to +85C industrial temperature grade ensures reliable operation in outdoor meter enclosures across global climates.
Recommended
Secure Payment Terminals and PIN Pads
The PIC24FJ128GA410T-I/PT's integrated AES and SHA-256 hardware acceleration makes it well-suited for PCI PTS-compliant payment terminals where cryptographic operations must complete within strict latency budgets. The 128 KB Flash holds PIN encryption firmware, key management routines, and EMV transaction stacks, while the crypto engine accelerates RSA/ECDH key exchange for contactless card communication. USB 2.0 FS OTG supports direct connection to POS host terminals, and the segmented LCD drives alphanumeric PIN entry displays without external controllers. Tamper-detection I/O and secure boot via signed firmware leverage the same crypto engine used in IoT applications.
Recommended
Portable Consumer Devices with USB Connectivity
The PIC24FJ128GA410T-I/PT fits USB-connected portable consumer products such as fitness bands, wireless earbud charging cases, and handheld barcode scanners that need a small MCU with USB device capability. The on-chip USB 2.0 full-speed OTG transceiver with integrated 3.3 V regulator eliminates external USB PHY chips, reducing BOM cost by 50-80 cents per unit. The 32 MHz core drives user-interface logic and sensor fusion algorithms, while the segmented LCD controller drives monochrome status displays on charging cradles and remote controls. eXtreme Low Power modes preserve battery life between user events.
Recommended
HMI Control Panels with Local Display
The PIC24FJ128GA410T-I/PT drives industrial HMI panels, building automation thermostats, and appliance control boards that combine a segmented LCD with tactile button input. The integrated segmented LCD controller supports up to 256 pixels, displaying temperatures, setpoints, and status icons directly from the MCU, while the 32 MHz core executes user-interface logic, PID control loops, and Modbus/CAN communications. The 100-pin TQFP provides ample GPIO for matrix keypads, rotary encoders, and relay drivers. Industrial -40C to +85C temperature operation supports factory floor equipment and rooftop HVAC controllers.
Recommended
Automotive Aftermarket and Telematics
Although not AEC-Q100 rated, the PIC24FJ128GA410T-I/PT is used in aftermarket automotive accessories such as OBD-II dongles, GPS trackers, and dashcams that operate within the cabin temperature range. The integrated USB OTG supports direct connection to vehicle USB ports and host laptops for firmware updates, while the cryptographic engine secures telematics data transmission to cloud backends. The 128 KB Flash accommodates GPS parsing libraries and cellular modem AT command stacks. Multiple UART ports drive GPS receivers and 4G/LTE modems in parallel. Designers should validate thermal performance in the specific vehicle mounting location since the part is industrial-grade rather than automotive-grade.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ128GA410T-I/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ128GA410-I/PT | PIC24FJ128GA410-I/BG | PIC24FJ128GA310T-I/PF | PIC24FJ128GA310-I/PT | PIC24FJ128GA110-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 100-pin TQFP (12x12 mm) | 100-pin TQFP (12x12 mm) - same | 100-pin TFBGA - different footprint | 100-pin TQFP (14x14 mm) - different | 100-pin TQFP (12x12 mm) - same | 100-pin TQFP (12x12 mm) - same |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB | 128 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 |
| Crypto Engine | Yes (AES, SHA, RNG) | Yes (AES, SHA, RNG) | Yes (AES, SHA, RNG) | No | No | No |
| Segmented LCD Controller | Yes (up to 256 segments) | Yes (up to 256 segments) | Yes (up to 256 segments) | Yes (up to 256 segments) | Yes (up to 256 segments) | No |
| USB 2.0 FS OTG | Yes | Yes | Yes | Yes | Yes | No |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Unit Price (1k qty, USD) | $4.30 | ~$4.20 (tray pack) | ~$5.50 (BGA premium) | ~$3.95 | ~$3.80 | ~$3.40 |
Key Differentiators
- Integrated crypto engine eliminates external secure element cost (vs PIC24FJ128GA310T-I/PF)
- Segmented LCD controller reduces external display driver BOM (vs PIC24FJ128GA110-I/PT)
- Dual-partition Flash enables secure field firmware updates (vs PIC24FJ128DA110T-I/PT)
- On-chip USB OTG with integrated 3.3 V regulator (vs PIC24FJ128GA106-I/PT)
- Wide 256-segment LCD with charge pump (vs PIC24FJ128GA202-I/SS)
Design Notes
Estimated: At 32 MHz active and 3.3 V supply, the PIC24FJ128GA410T-I/PT draws approximately 15-20 mA active current. Decouple each VDD/VSS pair with a 100 nF ceramic capacitor placed within 5 mm of the pin pair; add a bulk 4.7 uF tantalum or ceramic capacitor on the main 3.3 V rail. For battery applications, route the MCU's power-good output to a load switch (e.g., TPS22918) to cut peripheral leakage during deep sleep, reducing total quiescent current to under 1 uA. The on-chip 3.3 V USB regulator requires an external 4.7 uF capacitor on VUSB3V3 to maintain regulation under USB load steps.
The 100-pin TQFP (12x12 mm) package provides adequate thermal dissipation for industrial temperature operation; however, sustained 32 MHz operation at 85C ambient can push the junction toward the 150C maximum. Recommend a copper pour of at least 1 square inch on the top layer beneath the package, stitched with thermal vias to an internal ground plane. For continuous full-MIPS operation at temperatures above 70C, consider the extended-grade PIC24FJ128GA410-E/PT variant rated to 125C if available, or reduce CPU clock to 16 MHz. Verify thermal performance in the final enclosure using thermocouple measurements during worst-case firmware execution.
The 100-pin TQFP with 0.4 mm pitch requires precise PCB manufacturing: 4-mil trace/space minimum, laser-drilled or 0.3 mm drilled vias, and ENIG or immersion-silver surface finish for reliable soldering. Use a dog-bone fanout pattern to route signals out from the inner pin rows, with 0.2 mm via stubs kept short to maintain signal integrity for USB D+/D- differential pair routing. Route the USB D+/D- lines as a 90-ohm differential pair with no splits, and place the 27 ohm series termination resistors within 5 mm of the MCU pins. Maintain a continuous ground plane under the entire MCU for return-path integrity.
Common pitfalls when designing with the PIC24FJ128GA410T-I/PT include: (1) forgetting to configure the AVDD and AVSS pins even when the ADC is unused - they must be connected to VDD/VSS or floated per datasheet; (2) not enabling the PLL wait states in Flash configuration bits before switching to 32 MHz operation, causing code fetch failures; (3) tying unused I/O pins to ground instead of configuring them as outputs with defined low level, increasing Sleep current; (4) overlooking the MCLR pin reset requirements - this pin needs a 10 kohm pull-up to VDD; (5) failing to disable the JTAG port on alternate-function pins, which can interfere with peripheral use. Always review Microchip's PIC24FJ128GA410 Family Silicon Errata before finalizing firmware.
Place the 32.768 kHz low-power crystal within 5 mm of SOSC0/SOSC1 pins to minimize parasitic capacitance, and guard the traces with a ground ring to reduce noise coupling. For segmented LCD applications, route the LCD segment and common signals as parallel traces matched within 1 cm of each other to prevent display artifacts. The COM signal traces should be wider (0.3 mm minimum) to handle the segmented LCD drive current. When using the integrated crypto engine, isolate the AVDD/AVSS pair with a ferrite bead and dedicated decoupling to prevent digital switching noise from corrupting the true random number generator entropy.
Compliance Information
RoHS and REACH compliant per Microchip product declaration. Industrial-grade temperature range (-40C to +85C) only; not AEC-Q100 qualified for automotive applications. Lead-free matte-tin terminations support reflow profiles to 260C peak.
