PIC24FJ64GP203T-I/M5 - 16-bit MCU, 32MHz, 64KB Flash, 36-UQFN | Microchip
MPN: PIC24FJ64GP203T-I/M5 ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.12 | $3.12 |
| 10 | $2.86 | $28.60 |
| 100 | $2.41 | $241.00 |
| 500 | $2.18 | $1,090.00 |
| 1,000 | $1.96 | $1,960.00 |
| 3,000 | $1.74 | $5,220.00 |
PIC24FJ64GP203T-I/M5 Overview
An MCU (microcontroller unit) is a single-chip computer integrating a CPU core, non-volatile program memory, working RAM, and a rich set of peripherals such as ADC, timers, communication interfaces and I/O. The PIC24F is Microchip's 16-bit low-power MCU family, sitting hierarchically between 8-bit PIC16/PIC18 parts and 32-bit PIC32MX parts. The 'FJ' prefix indicates Flash program memory with ECC and the company's eXtreme Low Power (XLP) technology, with sleep currents in the hundreds of nanoampere range while retaining core state. The 'GP2/GU2' sub-family additionally provides Full-Speed USB 2.0 Host/Device/OTG and a collection of Core Independent Peripherals (CIPs) that offload tasks like signal generation, waveform measurement and data manipulation from the CPU.
Key specifications include a 16 MIPS execution rate at 32 MHz, integrated 64 KB ECC Flash plus 8 KB RAM, multiple 10/12-bit ADC channels, two UART, two I2C and two SPI peripherals, and five 16-bit timers plus five CCP modules. The device operates across -40C to +85C industrial temperature range and supports ICSP (In-Circuit Serial Programming) for production programming.
Architecturally, the PIC24FJ64GP203T uses a 16-bit modified Harvard RISC engine with a 24-bit instruction word, deterministic instruction timing, and hardware Multiply/Divide assist. The internal oscillator and PLL allow operation from an external 32.768 kHz crystal up to the 32 MHz system clock, with on-the-fly clock switching for ultra-low-power modes.
Typical applications include low-power USB peripherals, sensor signal processing nodes, consumer electronics with USB HID interfaces, portable medical devices, and industrial IoT edge nodes. It pairs naturally with external sensors, RF transceivers, and graphic or segment displays.
When designing in this part, allocate the UQFN exposed pad to a continuous ground plane for thermal and electrical performance. Plan a stable 3.3 V LDO such as the MCP1700 upstream, and follow Microchip's USB-IF-compliant PCB layout guidelines if the Full-Speed USB peripheral is enabled.
This page synthesizes distributor pricing, cross-reference equivalents, and practical design notes that are not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ64GP203T-I/M5 — 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 PIC24FJ64GP203T-I/M5 (same form factor and footprint) — differing in Package, Core Architecture, Program Memory (Flash), Timers, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GP203-I/M5
✅ Drop-In✓ In Stock
$2.45 / Unit
View Datasheet →PIC24FJ64GP203T-E/M5
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ64GU203T-I/M5
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ32GP203T-I/M5
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC24FJ64GC006T-I/MR
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$4.05 / Unit
View Datasheet →PIC24FJ64GP203T-I/M5 Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit RISC (modified Harvard, 24-bit instruction word) |
| Maximum CPU Frequency | 32 MHz |
| Performance | 16 MIPS |
| Program Flash Memory | 64 KB (22K x 24) with ECC |
| Data SRAM | 8 KB |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) |
| Package | 36-pin UQFN (5x5 mm) with exposed pad |
| Mounting Type | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| USB | Full-Speed USB 2.0 Host/Device/OTG (GP2/GU2 sub-family) |
| Low-Power Technology | XLP (eXtreme Low Power); sleep current in hundreds of nA |
| Programming | ICSP (In-Circuit Serial Programming) |
| RoHS Status | Compliant |
PIC24FJ64GP203T-I/M5 36-pin uqfn (5x5 mm) with exposed pad Pin Configuration Guide
Pin configuration for PIC24FJ64GP203T-I/M5 (36-pin uqfn (5x5 mm) with exposed pad 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 PIC24FJ64GP203T-I/M5.
Refer to the datasheet for full pin configuration.
Typical Applications
PIC24FJ64GP203T-I/M5 is suitable for 7 applications: Full-Speed USB HID Peripherals, Low-Power IoT Sensor Nodes, Portable Medical and Health Devices, Industrial Control and HMI Modules, Consumer Audio and USB-C Audio Accessories, Automotive Interior and Body Electronics, Educational and Hobby Development Boards.
Full-Speed USB HID Peripherals
The PIC24FJ64GP203T-I/M5 is purpose-built for USB 2.0 Full-Speed HID peripherals such as keyboards, mice, game controllers, and custom HID-class devices, because it integrates a USB 2.0 Host/Device/OTG controller on-die alongside a 32 MHz PIC24F core. With 64 KB ECC Flash and 8 KB SRAM, it comfortably fits HID report descriptors plus application logic, while XLP sleep currents in the hundreds of nanoamperes extend battery life in wireless HID dongles. Placed as the central MCU between the USB bus and the human-interface circuitry, it eliminates the need for an external USB PHY and reduces BOM cost for consumer peripherals.
Recommended
Low-Power IoT Sensor Nodes
The PIC24FJ64GP203T-I/M5 excels in battery-powered IoT edge nodes because the XLP technology holds sleep current in the hundreds of nanoamperes while Core Independent Peripherals (CIPs) sample sensors without waking the CPU. The 64 KB ECC Flash stores edge-firmware plus signed OTA update staging, and the 8 KB SRAM handles short telemetry bursts before forwarding over UART, SPI or I2C. Operating from a 2.0V to 3.6V rail, it pairs naturally with 3.6V Li-coin or 2xAA battery stacks for multi-year deployments.
Recommended
Portable Medical and Health Devices
The PIC24FJ64GP203T-I/M5 fits portable medical devices such as glucose meters, pulse oximeters and digital thermometers because it combines a deterministic 16 MIPS 16-bit core with low-noise ADC channels and XLP low-power modes that extend battery life through overnight measurements. The ECC Flash adds a layer of memory integrity that is valuable in safety-conscious medical electronics, while the small 36-pin UQFN (5x5) footprint enables compact handheld enclosures. Placed between the sensor front-end and a Bluetooth/Wi-Fi companion module, it provides deterministic data acquisition with low current draw.
Recommended
Industrial Control and HMI Modules
The PIC24FJ64GP203T-I/M5 is well suited for industrial control panels and HMI modules because it integrates multiple UART, I2C and SPI channels for sensor and display interfacing, plus 10/12-bit ADC channels for analog feedback. Its 64 KB Flash handles HMI graphics state machines plus Modbus RTU or CANopen protocol stacks, and the -40C to +85C industrial temperature rating covers factory-floor environments. Paired with an external segment-LCD or character-LCD driver, it serves as a compact control-MCU for machine-status indicators.
Recommended
Consumer Audio and USB-C Audio Accessories
The PIC24FJ64GP203T-I/M5 serves as the control MCU in USB-C audio dongles and USB headsets because the integrated USB Full-Speed controller streams digital audio while the PIC24F core runs user-interface state machines for buttons and LEDs. With 8 KB SRAM and 64 KB Flash, it fits USB audio class descriptors plus DSP-style volume/equalizer controls. Placed between the USB-C receptacle and the audio CODEC, it manages enumeration, HID buttons, and HID volume-control reporting with deterministic latency.
Recommended
Automotive Interior and Body Electronics
The PIC24FJ64GP203T-I/M5 - when used within its industrial temperature grade - serves automotive interior modules such as USB charging ports, ambient lighting controllers and HVAC knob interfaces that require Full-Speed USB plus low standby current. The 32 MHz 16 MIPS core provides responsive HMI feedback, and the 64 KB Flash fits CAN/LIN gateway firmware plus diagnostics. Pair with an automotive-grade LDO and TVS protection for robust 12V battery transient tolerance in cabin applications.
Recommended
Educational and Hobby Development Boards
The PIC24FJ64GP203T-I/M5 is a popular choice for educational kits and hobby development boards because the PIC24F family enjoys broad MPLAB X IDE support, free XC16 compiler, and a wealth of application notes. The 64 KB Flash accommodates full-feature demo code with USB HID, ADC sampling and PWM generation, while the 36-pin UQFN is breadboard-friendly via carrier PCB. Pair with a Microchip Curiosity or Explorer 16/32 development board PIM for rapid prototyping and classroom use.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GP203T-I/M5 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GP203-I/M5 | PIC24FJ64GP203T-E/M5 | PIC24FJ64GU203T-I/M5 | PIC24FJ32GP203T-I/M5 | PIC24FJ64GC006T-I/MR |
|---|---|---|---|---|---|---|
| Package | 36-pin UQFN (5x5) | 36-pin UQFN (5x5) | 36-pin UQFN (5x5) | 36-pin UQFN (5x5) | 36-pin UQFN (5x5) | 64-pin QFN (MR) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB | 64 KB | 64 KB | 64 KB | 32 KB | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Frequency | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| USB | Full-Speed USB 2.0 Host/Device/OTG | Full-Speed USB 2.0 Host/Device/OTG | Full-Speed USB 2.0 Host/Device/OTG | Full-Speed USB 2.0 (Device-only on GU die) | Full-Speed USB 2.0 Host/Device/OTG | Full-Speed USB 2.0 Host/Device/OTG |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Packaging Format | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
Key Differentiators
- Integrated Full-Speed USB 2.0 with Host/Device/OTG (vs PIC24FJ64GA002-I/SS)
- eXtreme Low Power (XLP) sleep current in hundreds of nA (vs PIC24FJ64GB202T-I/SO)
- 64 KB ECC Flash for higher code density with memory integrity (vs PIC24FJ32GP203T-I/M5)
- Core Independent Peripherals (CIPs) for offloaded processing (vs PIC24FJ64GA104T-I/ML)
Design Notes
Use a low-Iq LDO such as MCP1700 (1.6 uA quiescent current) upstream of the PIC24FJ64GP203T-I/M5 to maximize the XLP sleep-mode advantage. The MCU draws only a few hundred nA in sleep with retention, so a noisy or high-quiescent regulator will dominate idle current budget. Place the input/output decoupling capacitors within 3 mm of the VDD and VSS pins.
The 36-pin UQFN (5x5) exposed pad must be soldered to a continuous ground plane that covers at least 80% of the package footprint for thermal dissipation and electrical performance. Thermal resistance (theta_JA) is typically 30-35 C/W on a 4-layer JEDEC test board - more than adequate for the 16 MIPS device, but skipping the exposed-pad solder connection will degrade ESD robustness and thermal dissipation.
If the Full-Speed USB peripheral is enabled, follow the USB-IF-compliant PCB layout rules: 90-ohm differential impedance on D+/D- traces, no stubs, ground reference plane on layer 2, and series ferrite beads on VBUS if bus-powered. Place the 27-ohm series termination resistors on D+/D- within 2 mm of the MCU pins.
Do not exceed VDD of 3.6 V - the PIC24FJ64GP203T-I/M5 is NOT 5V tolerant on any I/O pin. Add a Schottky or TVS diode on VDD if the upstream rail has transients. Configure unused I/O pins as outputs driven low (not floating) to minimize shoot-through current. Always run the MPLAB X IDE configuration bits setup to enable the watchdog and proper oscillator mode.
Route the 32.768 kHz crystal traces within 5 mm of the MCU OSC1/OSC2 pins with a ground guard ring. If using the internal oscillator instead, you can free both pins for GPIO. For high-speed SPI peripherals, keep trace length below 50 mm and use 33-ohm series termination if driving more than one slave device.
Compliance Information
RoHS and REACH compliance per Microchip product page. AEC-Q100 automotive qualification is NOT available on the GP203 sub-family; for AEC-Q100 qualified 16-bit MCUs consult PIC24HJ or dsPIC33 families. Lead-free packaging confirmed for the M5 suffix (36-pin UQFN).
