PIC24FJ64GP202T-I/ML - 16-bit MCU, 64KB Flash, USB, 28-QFN
MPN: PIC24FJ64GP202T-I/ML ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.95 | $1,475.00 |
| 1,000 | $2.6 | $2,600.00 |
| 3,300 | $2.3 | $7,590.00 |
PIC24FJ64GP202T-I/ML Overview
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program and data memory, peripherals, and I/O on one die. The PIC24F family uses a 16-bit modified Harvard architecture designed for high code density, deterministic interrupt handling, and ultra-low-power operation. Within the broader taxonomy, the PIC24FJ64GP202 belongs to microcontroller -> embedded controller -> semiconductor IC -> digital logic.
Key features include 21 to 25 general-purpose I/O pins (package-dependent), up to 16-channel 10-bit ADC, multiple Capture/Compare/PWM (MCCP/SCCP) modules, two UART, two SPI, two I2C, RTCC, and a 5-channel DMA controller. The integrated USB 2.0 Full-Speed transceiver eliminates external PHY components and supports OTG role swapping for embedded host or device roles. Code protection, ECC Flash, and a unique 64-bit device ID support secure boot and firmware authentication workflows.
The PIC24FJ64GP202 uses a 3-stage pipeline with hardware multiply/divide and a 16x16-bit register file, achieving 16 MIPS sustained throughput. Its nanoWatt XLP technology drops quiescent current to a few hundred nanoamps in deep sleep while retaining SRAM and RTCC, making it well-suited for battery-powered devices that must wake periodically for sensor acquisition or USB enumeration.
Typical applications include USB human-interface devices (HID), low-power wireless sensor nodes, medical telemetry peripherals, industrial data loggers, consumer audio accessories, and USB-charging power banks. The integrated USB transceiver simplifies USB-C sourcing/sinking designs, while the small 28-QFN footprint suits compact wearable and IoT form factors.
When designing with this device, allocate the USB DP/DM traces as a 90-ohm differential pair routed directly from pins to a controlled-impedance connector, keep the VUSB decoupling within 1 m of the VUSB pin, and reference MPLAB X IDE with the XC16 compiler and MPLAB Code Configurator (MCC) for peripheral setup. Plan a 10 uF bulk + 0.1 uF ceramic stack near the VCAP pin for core regulator stability.
This page synthesizes distributor pricing, drop-in same-package alternatives (QFN-28 footprint), and practical USB/battery design notes not aggregated in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ64GP202T-I/ML — 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 PIC24FJ64GP202T-I/ML (same form factor and footprint) — differing in Package, ADC, Operating Temperature, Program Memory (Flash), USB.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GP202-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.42 / Unit
View Datasheet →PIC24FJ64GP204-I/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FJ64GP202T-E/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ128GP202-I/ML
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FJ64GU202-I/ML
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.52 / Unit
View Datasheet →PIC24FJ64GB002-I/ML
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ64GP202T-I/ML Maximum Ratings & Electrical Characteristics
| Family | PIC24FJ GP2 |
| Core | 16-bit PIC24F (modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB (22K x 24) with ECC |
| Data RAM | 8 KB |
| USB | USB 2.0 Full-Speed Host/Device/OTG, integrated transceiver |
| Supply Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins (max) | 21 (28-QFN) |
| ADC | 10-bit, up to 16 channels |
| MCCP/SCCP Timers | 5 MCCP + 3 SCCP |
| UART / SPI / I2C | 2 / 2 / 2 |
| DMA Channels | 5 |
| Operating Temperature | -40C to +85C (Industrial, 'I') |
| Package | 28-pin QFN (6x6 mm), 'ML' |
| Mounting Type | Surface Mount |
| MSL Level | 1 (unlimited floor life at <=30C/85% RH) |
| RoHS Status | Compliant |
PIC24FJ64GP202T-I/ML Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input AN0 |
| Pin 2 | RA1 — Port A bit 1 / analog input AN1 |
| Pin 3 | RA2 — Port A bit 2 / analog input AN2 |
| Pin 4 | RA3 — Port A bit 3 / analog input AN3 |
| Pin 5 | RA4 — Port A bit 4 |
| Pin 6 | VDD — Digital supply voltage 2.0-3.6 V |
| Pin 7 | VSS — Digital ground |
| Pin 8 | OSCI — Crystal oscillator input |
| Pin 9 | OSCO — Crystal oscillator output |
| Pin 10 | VCAP — Core regulator filter capacitor (1uF/10uF) |
| Pin 11 | RB0 — Port B bit 0 / PGED3 programming |
| Pin 12 | RB1 — Port B bit 1 / PGEC3 programming |
| Pin 13 | RB2 — Port B bit 2 |
| Pin 14 | VUSB — USB transceiver 3.3 V supply |
| Pin 15 | D- — USB D- line |
| Pin 16 | D+ — USB D+ line |
| Pin 17 | RB3 — Port B bit 3 |
| Pin 18 | RB4 — Port B bit 4 |
| Pin 19 | RB5 — Port B bit 5 |
| Pin 20 | RB6 — Port B bit 6 |
| Pin 21 | RB7 — Port B bit 7 |
| Pin 22 | RC0 — Port C bit 0 |
| Pin 23 | RC1 — Port C bit 1 |
| Pin 24 | RC2 — Port C bit 2 |
| Pin 25 | VSS — Ground (bottom exposed pad - thermal/electrical) |
| Pin 26 | RC3 — Port C bit 3 |
| Pin 27 | RC4 — Port C bit 4 |
| Pin 28 | RC5 — Port C bit 5 |
Typical Applications
PIC24FJ64GP202T-I/ML is suitable for 6 applications: USB HID Peripherals (Keyboards, Mice, Custom Input Devices), Battery-Powered IoT Sensor Nodes with USB Charging, USB-C Powered Consumer Audio Accessories, Industrial Data Loggers and Edge Modules, Medical Telemetry Peripherals and Health Monitors, USB Charging Power Banks and Cable Adapters.
USB HID Peripherals (Keyboards, Mice, Custom Input Devices)
The PIC24FJ64GP202T-I/ML is purpose-built for USB HID peripherals because it integrates a Full-Speed USB 2.0 transceiver and OTG controller on-die, eliminating external PHY cost and PCB area. With 64 KB ECC Flash and 8 KB RAM, the device comfortably hosts HID report descriptors, bootloader logic, and small application payloads. The 21 available I/O pins map cleanly to scan matrix columns/rows, indicator LEDs, and a rotary encoder or RGB backlight, while the 16 MIPS CPU keeps report latency well under the 10 ms USB Full-Speed poll budget. Designers benefit from MPLAB Harmony's HID class driver and the device's nanoWatt XLP sleep modes, which keep bus-powered devices within USB suspend current limits during idle.
Recommended
Battery-Powered IoT Sensor Nodes with USB Charging
The PIC24FJ64GP202T-I/ML suits battery-powered IoT nodes that periodically wake to log sensor data and expose a USB-C port for charging and configuration. The nanoWatt XLP deep-sleep current in the few-hundred-nA range lets a 200 mAh Li-ion cell last months between charges, while the integrated USB transceiver charges directly from a standard 5 V USB-C source. The integrated 10-bit ADC, two I2C buses, and two SPI buses connect to common sensors (BME280, LIS2DH, MAX17048 fuel gauge) without expansion chips. The 64 KB Flash is ample for over-the-air bootloaders, AES-128 sensor payload encoding, and periodic re-tasks. The 28-QFN footprint (6x6 mm) keeps the PCB small enough for wearable or stick-on form factors.
Recommended
USB-C Powered Consumer Audio Accessories
The PIC24FJ64GP202T-I/ML is well suited to USB-C powered consumer audio accessories such as USB DAC dongles, headphone amplifiers with volume control, and digital mixers. The integrated USB 2.0 Full-Speed transceiver enables USB Audio Class 1.0 device firmware without an external PHY, and the 2 UART ports support simultaneous MIDI + control data. The 5 MCCP modules drive multiple PWM channels for tactile button haptics, LED VU meters, or RGB underglow effects. Combined with 8 KB of RAM, designers can implement small ring buffers for USB isochronous traffic. The 28-QFN footprint fits inside compact dongle enclosures, while the -40C to +85C industrial grade handles the temperature rise of enclosed USB-C connectors.
Recommended
Industrial Data Loggers and Edge Modules
The PIC24FJ64GP202T-I/ML fits industrial edge data loggers that need USB connectivity for configuration, firmware update, and data offload in harsh 24V-factory environments. Its 2.0-3.6 V VDD can be powered from a small buck regulator off a 24 V bus, and the -40C to +85C industrial temperature grade covers most enclosure interiors. The 16-channel 10-bit ADC reads 4-20 mA loops through external sense resistors, while the two UART ports link to RS-485 transceivers (e.g., MAX3485) for Modbus RTU and DMX. The 64 KB ECC Flash protects log data integrity against single-bit memory faults in electrically noisy panels, and the 5 DMA channels move ADC data to RAM without CPU overhead.
Recommended
Medical Telemetry Peripherals and Health Monitors
The PIC24FJ64GP202T-I/ML suits medical telemetry peripherals such as USB pulse oximeters, USB-connected thermometers, and patient wearables that stream data to a host PC. The integrated USB Full-Speed transceiver maps directly to USB CDC or vendor-class drivers in clinical software, while the 64 KB ECC Flash with single-bit error correction helps preserve firmware integrity on long-life portable medical devices. The nanoWatt XLP deep-sleep current keeps wearable battery life acceptable between recharge cycles, and the 5-channel DMA offloads sensor data without burdening the CPU. The 28-QFN 6x6 mm footprint fits in compact wearable housings.
Recommended
USB Charging Power Banks and Cable Adapters
The PIC24FJ64GP202T-I/ML is a strong fit for USB-C cable adapters, smart USB power banks, and protocol-bridging dongles. The integrated USB Host/Device/OTG controller can negotiate roles at the USB-C connector using the integrated USB transceiver, while the 64 KB ECC Flash hosts the PD negotiation logic and battery state machine. Two I2C buses interface to fuel-gauge ICs and USB-C controllers, and the 5 MCCP modules drive PWM for current-limit and status LEDs. The 28-QFN 6x6 mm footprint fits within connector housings; the -40C to +85C grade covers the thermal envelope of enclosed adapters.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GP202T-I/ML — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GP202-I/ML | PIC24FJ64GP204-I/ML | PIC24FJ64GP202T-E/ML | PIC24FJ128GP202-I/ML | PIC24FJ64GU202-I/ML | PIC24FJ64GB002-I/ML |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Flash | 64 KB ECC | 64 KB ECC | 64 KB ECC | 64 KB ECC | 128 KB ECC (+100%) | 64 KB ECC | 64 KB ECC |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| USB FS Host/Device/OTG | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (integrated transceiver) | Yes (enhanced USB) | No (general-purpose variant) |
| 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 | 32 MHz / 16 MIPS |
| Temperature Grade | -40C to +85C (Industrial) | -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 (VDD) | 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 | 2.0 V to 3.6 V |
Key Differentiators
- Integrated USB 2.0 Full-Speed Host/Device/OTG transceiver with no external PHY (vs PIC24FJ64GB002-I/ML)
- 64 KB ECC Flash with single-bit error correction (vs PIC24FJ64GA002-I/SS)
- nanoWatt XLP technology with deep-sleep retention (vs PIC24FJ64GB002-I/ML)
- Scalable upgrade path to 128 KB Flash in same 28-QFN footprint (vs PIC24FJ128GP202-I/ML)
Design Notes
Route the USB DP/DM lines from pins 15 and 16 as a 90-ohm differential pair with matched length within 150 mil. Place the VUSB 1uF decoupling capacitor as close as possible to pin 14, and connect the VUSB pin to the same 3.3 V rail as VDD. Avoid routing the USB pair near switching nodes or RF traces; keep a continuous ground reference plane beneath the pair. The exposed pad on pin 25 must be soldered to the PCB ground plane for thermal dissipation and electrical ground.
Place a 1uF X7R ceramic (or 10uF per datasheet family notes) capacitor from VCAP (pin 10) to ground, located within 0.25 inch of the pin with a short, wide trace. Add a bulk 10uF + 0.1uF ceramic stack within 0.5 inch of VDD (pin 6). VUSB may be tied directly to VDD when USB is always active; for bus-powered designs with suspend requirements, add a switchable load to keep suspend current under 2.5 mA as required by USB 2.0 specifications.
Do not omit the VCAP capacitor; the internal core regulator requires it to function and the device may exhibit erratic resets without it. Ensure the ICSP programming pins (RB0/RB1) are not pulled hard to VDD/VSS during normal operation, or use weak pull-ups/downs to avoid contention with the programmer. The PIC24FJ64GP202 is not pin-compatible with PIC24HJ or dsPIC33 devices; verify family type in MPLAB X before migrating code. When migrating from PIC24FJ64GB002, validate that USB firmware is added or removed deliberately.
For 32 MHz operation, set the OSCCON configuration to use the internal 8 MHz FRC with PLL (4x) for the highest accuracy at low current. Use a shielded or guarded crystal layout on OSCI/OSCO (pins 8/9) with short traces to GND, and place the load capacitors within 0.25 inch. Analog inputs on RA0-RA3 and RC0-RC5 may be used as digital I/O but must be configured as analog in ADC mode and digital in GPIO mode via the AD1PCFG register to avoid shoot-through current.
Compliance Information
RoHS and lead-free per Microchip product page. Not AEC-Q100 qualified - this is a general-purpose industrial MCU. Halogen-free status and detailed REACH statements require Microchip Material Declaration request.
