PIC24FJ128GU410-E/PT - 16-Bit 32MHz 128KB Flash USB MCU | Microchip
MPN: PIC24FJ128GU410-E/PT ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $5.5 | $5.50 |
| 10 | $4.95 | $49.50 |
| 100 | $4.4 | $440.00 |
| 500 | $3.95 | $1,975.00 |
| 1,000 | $3.55 | $3,550.00 |
PIC24FJ128GU410-E/PT Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory, working RAM, and a rich set of peripherals into one device. Within the broader taxonomy, this part sits at MCU -> 16-bit MCU -> PIC24F family -> PIC24FJ USB/LCD sub-family -> low-power eXtreme Low-Power (XLP) microcontrollers. Its dual-partition Flash architecture enables live firmware updates without taking the device offline, which is critical for IoT nodes, industrial HMIs, and connected sensors requiring Over-The-Air (OTA) capability.
Key features include a 16 MIPS MIPS16-enhanced PIC24 CPU core, 128KB self-programmable ECC Flash supporting EEPROM emulation, 32KB SRAM, USB 2.0 full-speed with on-chip transceiver, hardware segment LCD driver (up to 128 segments), Core Independent Peripherals (CIPs) including multiple DMA channels, configurable logic cells, and a 12-bit ADC. The "E" suffix denotes the extended temperature grade (-40C to +125C), while "I" parts cover the industrial -40C to +85C range. The "PT" suffix marks the 100-pin TQFP package.
Typical applications include low-power IoT sensor hubs with USB, medical patient monitoring with LCD displays, industrial control panels, USB human-interface devices (HID), and automotive AEC-Q100 in-cabin HMI modules. The USB, LCD, and OTA combination makes it particularly strong where one device must handle a user interface plus cable connectivity plus field upgradability.
When designing with this part, allocate at least 1uF ceramic bypass on every VDD/AVDD pair, place the 12 MHz crystal or resonator within 5 mm of OSC1/OSC2, and use the segmented LCD charge-pump with proper display-common plane routing. The dual-partition Flash requires careful linker-script management - the bootloader must reserve its own partition and the application partition must sign its image before OTA transfer.
Drop-in alternatives for PIC24FJ128GU410-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 PIC24FJ128GU410-E/PT (same form factor and footprint) — differing in ADC, Package, Operating Temperature, Core Architecture, LCD Controller.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ128GU410-I/PT
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View Datasheet →PIC24FJ128GU408-I/PT
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View Datasheet →PIC24FJ128GU406-I/PT
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View Datasheet →PIC24FJ128GU405-I/PT
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View Datasheet →PIC24FJ128GL410T-I/PT
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View Datasheet →PIC24FJ128GU410-E/PT Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit (MIPS16-enhanced) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash Memory | 128 KB (with ECC, dual-partition OTA) |
| SRAM | 32 KB |
| USB Interface | USB 2.0 Full-Speed with on-chip transceiver |
| LCD Controller | Integrated segmented LCD driver |
| ADC | 12-bit A/D Converter |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature Range | -40C to +125C (E grade, extended) |
| Package Type | 100-pin TQFP (PT), 12x12 mm |
| Mounting Type | Surface Mount |
| DMA Channels | Multiple DMA channels (CIP) |
| Core Independent Peripherals (CIPs) | Yes (configurable logic, DMA, timers) |
| RoHS Status | Compliant |
| Lead-Free Finish | Yes (Pb-free) |
PIC24FJ128GU410-E/PT 100-pin tqfp (pt), 12x12 mm Pin Configuration Guide
Pin configuration for PIC24FJ128GU410-E/PT (100-pin tqfp (pt), 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 PIC24FJ128GU410-E/PT.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ128GU410-E/PT is suitable for 6 applications: USB Human-Interface Devices (HID) and Industrial Sensor Hubs, Industrial HMI Control Panels with Segmented LCD, Medical Patient Monitoring with LCD Display, Connected Sensor Nodes with OTA Firmware Updates, Automotive In-Cabin HMI Modules (Non-Safety), Smart Home Edge Controllers and Thermostats.
USB Human-Interface Devices (HID) and Industrial Sensor Hubs
The PIC24FJ128GU410-E/PT fits USB HID and industrial sensor-hub applications because of its USB 2.0 Full-Speed transceiver with on-chip PHY, which eliminates external USB interface ICs and shrinks BOM cost. Its 128 KB ECC Flash and 32 KB SRAM comfortably store USB HID class descriptors plus multi-sensor DSP routines, and the dual-partition Flash supports live OTA updates for in-field firmware revisions. Placed at the head of a sensor hub, it aggregates I2C/SPI sensor data and exposes it to a host PC over USB; the 32 MHz CPU keeps report latency below 1 ms. Compared to a discrete USB-to-UART bridge plus a smaller MCU, this single-chip solution saves roughly 30% PCB area.
Recommended
Industrial HMI Control Panels with Segmented LCD
The PIC24FJ128GU410-E/PT is well suited to industrial HMI panels that need a segmented LCD plus USB diagnostics, because it integrates both peripherals on die. The hardware LCD segment driver supports up to 128 segments at low duty cycle, removing the need for an external LCD controller. The extended -40C to +125C temperature grade tolerates factory-floor heat near enclosures. The device sits behind the panel glass, drives the LCD directly, and presents a USB CDC interface for diagnostics. Compared with a separate MCU + external LCD driver solution, the integrated design reduces component count and improves ESD survivability on the LCD bias lines.
Recommended
Medical Patient Monitoring with LCD Display
The PIC24FJ128GU410-E/PT is suitable for medical patient-monitoring devices with an on-board LCD because it combines a 16 MIPS core, USB data uplink, segmented LCD driver, and 12-bit ADC for analog sensor channels in one package. The 32 KB SRAM allows buffering of multiple waveform sample streams before USB transmission to a host computer. The extended temperature grade supports warm-disinfection enclosures in clinical settings. The MCU samples ECG or SpO2 analog front-ends, runs baseline filtering, and pushes processed data over a CDC USB link while driving an LCD that shows the patient's vital signs locally.
Recommended
Connected Sensor Nodes with OTA Firmware Updates
The PIC24FJ128GU410-E/PT fits connected sensor-node applications where firmware must be updated in the field, thanks to its dual-partition Flash supporting live OTA updates. The PIC24F CPU runs at 16 MIPS, leaving ample headroom for sensor DSP and TCP/IP offload stacks. The USB transceiver doubles as a wired debug and update port during development, eliminating a separate programming header. The 128 KB ECC Flash plus EEPROM emulation yields long-term data-logging capability. Compared with single-partition Flash MCUs, the dual-partition design lets the node roll back to the previous firmware if a corrupted image is detected, dramatically improving field reliability.
Recommended
Automotive In-Cabin HMI Modules (Non-Safety)
The PIC24FJ128GU410-E/PT is appropriate for automotive in-cabin HMI modules - infotainment button panels, climate-control knobs with LCD, USB media ports - because of its extended -40C to +125C operating temperature range and on-chip USB + LCD peripherals. For non-safety in-cabin applications, the extended temperature grade provides sufficient margin. The 12-bit ADC reads potentiometer-based knob positions; the segmented LCD shows climate settings; the USB CDC channel connects to the head unit. Compared with a discrete MCU plus external LCD driver plus external USB PHY, this part reduces PCB area by roughly 35%.
Recommended
Smart Home Edge Controllers and Thermostats
The PIC24FJ128GU410-E/PT suits smart-home edge controllers and connected thermostats that require a segmented LCD plus USB diagnostics, because both peripherals are integrated on the die. The 128 KB Flash supports OTA updates pushed from a gateway over USB or wireless backhaul. The 32 MHz CPU runs edge rules and sensor fusion without external coprocessors. The extended temperature grade tolerates wall-mount thermostat enclosures. The MCU drives the user-facing LCD, runs HVAC control loops, and exposes a USB port for service technicians. Compared with separate MCU + LCD driver designs, the integrated solution removes a chip and reduces PCB area.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ128GU410-E/PT — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ128GU410-I/PT | PIC24FJ128GU408-I/PT | PIC24FJ128GU406-I/PT | PIC24FJ128GU405-I/PT | PIC24FJ128GL410T-I/PT |
|---|---|---|---|---|---|---|
| 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 |
| Brand | Microchip Technology | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same | Microchip Technology - same |
| Flash Memory | 128 KB ECC, dual-partition | 128 KB ECC, dual-partition | 96 KB ECC, dual-partition | 64 KB ECC, dual-partition | 48 KB ECC, dual-partition | 128 KB ECC, dual-partition (no USB) |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB | 32 KB |
| USB Interface | USB 2.0 Full-Speed with on-chip transceiver | USB 2.0 Full-Speed with on-chip transceiver | USB 2.0 Full-Speed with on-chip transceiver | USB 2.0 Full-Speed with on-chip transceiver | USB 2.0 Full-Speed with on-chip transceiver | No USB (GL family removes USB transceiver) |
| LCD Controller | Integrated segmented LCD (up to 128 segments) | Integrated segmented LCD | Integrated segmented LCD | Integrated segmented LCD | Integrated segmented LCD | Integrated segmented LCD |
| 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) |
| 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) |
Key Differentiators
- Extended temperature grade on identical die (vs PIC24FJ128GU410-I/PT)
- Maximum Flash in the GU4 family (vs PIC24FJ128GU408-I/PT)
- On-chip USB transceiver integrated (vs PIC24FJ128GL410T-I/PT)
Design Notes
Decouple every VDD/AVDD pin with a 100 nF ceramic capacitor placed within 3 mm of the pin, plus a bulk 4.7 uF to 10 uF tantalum or ceramic at the regulator output. The PIC24FJ128GU410-E/PT core can briefly burst to 16 MIPS and pull transient current; insufficient decoupling leads to VDD droop that can corrupt the dual-partition Flash during write cycles.
Route the USB D+ and D+ lines as a 90-ohm differential pair with length matching to within 2 mm, and keep them away from the segmented LCD bias lines to avoid display crosstalk on the USB eye diagram. The 12 MHz primary oscillator traces must be short, with the crystal load capacitors placed adjacent to OSC1/OSC2.
The dual-partition Flash requires the linker to reserve the bootloader partition separately from the application partition. Forgetting to set the IVT (Interrupt Vector Table) base address in the bootloader causes application interrupts to fault at runtime. Also, the ECC Flash must be unlocked before write operations via the NVMCON register sequence; failure to follow the unlock sequence results in a bus error.
The segmented LCD bias generation uses a charge pump that can inject switching noise onto VDD if the LCD bias capacitors are undersized. Use 1 uF X7R ceramic capacitors on VLCD1/VLCD2/VLCD3 with the negative terminal tied to the appropriate virtual ground. For high-contrast displays with many segments, the charge pump may require an external boost converter.
Compliance Information
RoHS compliant per Microchip product page. AEC-Q100 qualification status for the E/PT variant not explicitly stated in the verified web data - check with Microchip for automotive safety applications.
