PIC24FJ64GP202-I/MV - 64KB Flash, USB, 28-UQFN MCU | Microchip
MPN: PIC24FJ64GP202-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.2 | $4.20 |
| 10 | $3.78 | $37.80 |
| 100 | $3.36 | $336.00 |
| 500 | $2.94 | $1,470.00 |
| 1,000 | $2.52 | $2,520.00 |
PIC24FJ64GP202-I/MV Overview
What is a 16-bit microcontroller? A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripheral interfaces. The PIC24F family uses a 16-bit modified Harvard architecture with a 16-bit data path, enabling higher code density and faster arithmetic than 8-bit MCUs while retaining the simplicity of the PIC ecosystem. Within the broader hierarchy, the PIC24FJ sits between 8-bit PIC16/PIC18 parts and 32-bit PIC32 parts in Microchip's portfolio, optimized for ultra-low-power (XLP) and mixed-signal applications.
Key features include eXtreme Low-Power (XLP) technology with sleep currents in the hundreds of nanoamperes while retaining RAM and peripheral state, four Core Independent Peripherals (CIPs) such as Configurable Logic Cells and the Peripheral Trigger Generator, and on-chip Full-Speed USB 2.0 with internal transceiver. The device also includes a 10-bit ADC, multiple UART/SPI/I2C interfaces, 21 general-purpose I/O pins, and a 16-bit timer/counter array.
The architecture combines a deterministic 16-bit CPU with 24-bit instruction words and a hardware multiplier that executes a 16x16 multiply in a single cycle, enabling efficient DSP-like signal processing. ECC on Flash memory improves reliability in harsh environments, and the integrated USB transceiver eliminates the need for external PHY components, reducing both BOM cost and PCB footprint.
Typical applications include USB Human Interface Devices (HID), portable medical sensor pods, low-power IoT sensor nodes, USB-to-UART bridges, and consumer peripherals such as mice, keyboards, and gaming controllers. The wide operating voltage range (2.0-3.6 V) and XLP sleep modes make it especially attractive for battery-powered devices that must wake quickly to service USB events.
When designing with this MCU, allocate adequate bulk capacitance near VDD/VUSB pins and follow Microchip's USB layout guidelines (90-ohm differential impedance, common-mode choke, and a clean ground return) to maintain USB signal integrity. The internal 32 MHz oscillator is sufficient for USB Full-Speed operation but requires proper tuning and guard-band settings in firmware.
This page synthesizes distributor pricing, pin-compatible drop-in alternatives, application examples, and design notes that complement the Microchip datasheet with engineering context not always found in the manufacturer's product page.
Drop-in alternatives for PIC24FJ64GP202-I/MV — 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 PIC24FJ64GP202-I/MV (same form factor and footprint) — differing in Package, ADC, Timers, Program Memory (Flash), Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ64GP202-I/MV
✅ Drop-In✓ In Stock
$2.52 / Unit
View Datasheet →PIC24FJ64GP202T-I/MV
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC24FJ64GU202-I/MV
✅ Drop-In✓ In Stock
$3.21 / Unit
View Datasheet →PIC24FJ64GA702-I/MV
✅ Drop-In✓ In Stock
$1.38 / Unit
View Datasheet →PIC24FJ32GP202-I/SO
✅ Drop-In📋 Reference alternative (not in catalog)
PIC24FJ64GP202-I/MV Maximum Ratings & Electrical Characteristics
| Product Family | PIC24F 16-bit Microcontrollers |
| Sub-Family | PIC24FJ GP2/GU2 - USB, Low Pin Count |
| Core Architecture | 16-bit modified Harvard, 16 MIPS |
| Program Memory (Flash) | 64 KB (22K x 24) with ECC |
| Data RAM | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage Range | 2.0 V to 3.6 V |
| USB Interface | USB 2.0 Full-Speed Host/Device/OTG with internal transceiver |
| I/O Pins | 21 |
| Communication Peripherals | UART, SPI, I2C, USB |
| Package | 28-pin UQFN (MV) 4x4 mm |
| Mounting Type | Surface Mount |
| Operating Temperature | -40C to +85C (Industrial, 'I' suffix) |
| RoHS Status | Compliant (Microchip product family standard) |
PIC24FJ64GP202-I/MV Pin Configuration
| Pin 1 | RA0 — Port A bit 0 / analog input / peripheral remappable |
| Pin 2 | RA1 — Port A bit 1 / analog input / peripheral remappable |
| Pin 3 | RA2 — Port A bit 2 / analog input / peripheral remappable |
| Pin 4 | RA3 — Port A bit 3 / analog input / peripheral remappable |
| Pin 5 | VDD — Digital supply voltage (2.0-3.6 V) |
| Pin 6 | VSS — Digital ground reference |
| Pin 7 | RB0 — Port B bit 0 / peripheral remappable |
| Pin 8 | RB1 — Port B bit 1 / peripheral remappable |
| Pin 9 | RB2 — Port B bit 2 / peripheral remappable |
| Pin 10 | RB3 — Port B bit 3 / peripheral remappable |
| Pin 11 | RB4 — Port B bit 4 / peripheral remappable |
| Pin 12 | RB5 — Port B bit 5 / peripheral remappable |
| Pin 13 | RB6 — Port B bit 6 / ICSPCLK programming clock |
| Pin 14 | RB7 — Port B bit 7 / ICSPDAT programming data |
| Pin 15 | VUSB — USB 3.3V transceiver supply (from internal regulator) |
| Pin 16 | VBUS — USB VBUS sense input (5V tolerant) |
| Pin 17 | D+ — USB data plus line |
| Pin 18 | D- — USB data minus line |
| Pin 19 | RC0 — Port C bit 0 / peripheral remappable |
| Pin 20 | RC1 — Port C bit 1 / peripheral remappable |
| Pin 21 | RC2 — Port C bit 2 / peripheral remappable |
| Pin 22 | RC3 — Port C bit 3 / peripheral remappable |
| Pin 23 | RC4 — Port C bit 4 / peripheral remappable |
| Pin 24 | RC5 — Port C bit 5 / peripheral remappable |
| Pin 25 | RC6 — Port C bit 6 / peripheral remappable |
| Pin 26 | RC7 — Port C bit 7 / peripheral remappable |
| Pin 27 | AVDD — Analog supply voltage (tie to VDD) |
| Pin 28 | AVSS — Analog ground reference (tie to VSS) |
Typical Applications
PIC24FJ64GP202-I/MV is suitable for 6 applications: USB HID Peripherals (Keyboard, Mouse, Game Controller), Portable Medical Sensor Pods, USB-to-UART / SPI / I2C Bridge Dongles, Low-Power IoT Sensor Nodes, USB Barcode / RFID Readers, Consumer Audio USB Accessories.
USB HID Peripherals (Keyboard, Mouse, Game Controller)
The PIC24FJ64GP202-I/MV is purpose-built for USB Human Interface Devices thanks to its integrated Full-Speed USB 2.0 transceiver and 16 MIPS 16-bit core. With 64 KB ECC Flash, the MCU hosts the USB HID class stack plus rich application logic for matrix scanning, LED driving, and wake-from-standby logic. The 8 KB RAM accommodates HID report buffers and a small RTOS or scheduler without compromise. Compared with external PHY solutions, the on-chip USB transceiver removes 8-12 external components, shrinking the PCB and BOM. The XLP nanoamp sleep current enables coin-cell or USB-suspend-powered accessories that meet the USB 2.0 suspend current limit of 2.5 mA system and 500 uA device-class budget with comfortable margin.
Recommended
Portable Medical Sensor Pods
Medical wearables and point-of-care sensor pods benefit from the PIC24FJ64GP202-I/MV's combination of XLP nanoamp sleep, 64 KB ECC Flash for secure boot and sensor processing, and integrated USB for tethered data transfer to host applications. The 10-bit ADC and multiple I2C/SPI ports simplify integration with biosensors (pulse oximetry, glucose, temperature). ECC Flash improves reliability in safety-critical medical firmware. Operating from 2.0-3.6 V, the device runs directly from a single CR2032 or single-cell Li-ion source with no external regulation, extending runtime and reducing BOM. The 28-UQFN package is well-suited to small-form-factor disposable or reusable sensor designs.
Recommended
USB-to-UART / SPI / I2C Bridge Dongles
Bridges that present a USB CDC/UART or USB-to-SPI/I2C interface on the host side are a natural fit for the PIC24FJ64GP202-I/MV, leveraging the integrated USB device stack and serial peripherals. 64 KB Flash accommodates the USB class stack plus vendor-specific commands; 8 KB RAM supports buffer management at Full-Speed USB rates (12 Mbps). The 16 MIPS CPU core handles protocol translation with minimal latency. Engineers can use the Microchip MLA USB library or Migrate to MPLAB Harmony for higher-level stacks. The 28-UQFN 4x4 mm footprint allows the entire bridge to fit on a USB Type-A stick form factor, which is common in industrial programming and debug accessories.
Recommended
Low-Power IoT Sensor Nodes
Battery-powered IoT sensor nodes benefit from the PIC24FJ64GP202-I/MV's XLP architecture with nanoamp sleep currents and Core Independent Peripherals (CIPs) that wake the CPU only on real events. The 64 KB ECC Flash supports over-the-air update firmware plus sensor drivers and an optional TLS-style stack; 8 KB RAM supports small message queues. The integrated USB provides a debugging and provisioning port without adding a separate serial chip, lowering BOM cost for connected thermostats, leak detectors, and smart agriculture sensors. The 2.0-3.6 V operating range accepts a single-cell Li-ion battery directly, and the industrial temperature grade (-40 to +85C) supports outdoor and industrial deployments.
Recommended
USB Barcode / RFID Readers
Handheld barcode scanners and short-range RFID readers benefit from the PIC24FJ64GP202-I/MV's integrated USB HID or USB CDC interface for host connectivity. 64 KB Flash stores scanner firmware plus optional USB vendor-class protocols; 8 KB RAM handles decode buffers and USB endpoint data. The 16-bit CPU executes decoding algorithms efficiently in firmware, eliminating the need for a dedicated decoder ASIC. The industrial temperature range supports warehouse and cold-chain deployments. The 28-UQFN package minimizes board area for integration into slim scanner handles, and XLP sleep extends battery life in cordless designs between scan events.
Recommended
Consumer Audio USB Accessories
USB headsets, USB microphones, and USB audio class (UAC) accessories leverage the PIC24FJ64GP202-I/MV's integrated USB Full-Speed support and 16 MIPS DSP-class performance for audio sample handling. 64 KB ECC Flash accommodates the UAC 1.0 stack and audio processing routines; 8 KB RAM provides audio buffering. The Core Independent Peripherals can manage I2S-like bit-banging or DMA-driven sample flow alongside the USB endpoint transfers. The 2.0-3.6 V range supports direct bus-powered operation with a small LDO, and the 28-UQFN keeps the accessory compact. XLP sleep supports USB suspend mode where the device enters low-power state during silence.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ64GP202-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ64GP202T-I/MV | PIC24FJ64GU202-I/MV | PIC24FJ64GA702-I/MV | PIC24FJ32GP202-I/SO |
|---|---|---|---|---|---|
| Package | UQFN-28 (MV) 4x4 mm | UQFN-28 (MV) - same | UQFN-28 (MV) - same | UQFN-28 (MV) - same | 28-pin (cross-list SOIC/UQFN) - same footprint family |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB ECC | 64 KB ECC | 64 KB ECC | 64 KB ECC | 32 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| USB Interface | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | No USB | No USB | USB 2.0 FS Host/Device/OTG |
| Core Independent Peripherals (CIP) | Yes (CLC, PTG, etc.) | Yes | Yes | No (older family) | Yes |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Operating 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 |
Key Differentiators
- Integrated Full-Speed USB 2.0 with on-chip transceiver (vs PIC24FJ64GU202-I/MV)
- Core Independent Peripherals (CIPs) reduce CPU wakeups (vs PIC24FJ64GA702-I/MV)
- 64 KB ECC Flash versus 32 KB on the FJ32 variant (vs PIC24FJ32GP202-I/SO)
Design Notes
USB signal integrity is the most critical layout concern for the PIC24FJ64GP202-I/MV. Route D+ and D- as a 90-ohm differential pair with continuous ground reference, length matching within 150 mil. Place the VUSB decoupling capacitor (4.7 uF recommended) within 5 mm of the VUSB pin. Avoid routing digital switching signals (e.g., PWM, SPI) near the USB differential pair. A common-mode choke on D+/D- is optional but recommended for ESD-sensitive consumer products.
The VBUS pin is 5V-tolerant and must be connected through a voltage divider or regulator network that produces a logic-level signal at the pin. The internal USB transceiver draws power from VUSB (3.3V regulated) not VBUS directly. Place 100 nF + 10 uF bulk capacitors as close as possible to the VDD and AVSS pins to suppress switching noise from the CPU and peripherals. If using sleep modes, configure all unused peripherals to their lowest power state to achieve nanoamp-level sleep current.
Common pitfalls when migrating firmware from PIC24F GA-series to GP2/GU2 series include: (1) the GP2 family's Core Independent Peripherals use different register mappings than GA-series CLCs - the firmware must be re-validated; (2) the USB module initialization in GP2 requires the VUSB regulator enabled before the USB peripheral; (3) the I/O remappable peripheral pin tables differ between GA and GP2. Always check the PIC24FJ64GP202 errata and family reference manual sections before designing new firmware.
The 28-pin UQFN (MV) package has a small exposed thermal pad that must be soldered to the PCB ground plane for proper thermal dissipation. For typical MCU workloads at 32 MHz with USB active, the device draws ~15 mA active and a few hundred nanoamps in XLP sleep. At 3.3V, the maximum sustained active current (~25 mA worst-case including USB) yields under 100 mW dissipation, well within the UQFN thermal envelope of ~150 mW at 25C ambient without additional heatsinking.
Compliance Information
Microchip PIC24F family is RoHS/REACH compliant and lead-free by default. The 'I' suffix denotes industrial temperature grade (-40C to +85C). This part is NOT AEC-Q100 qualified; for automotive applications, Microchip's dsPIC33 and PIC32 families offer AEC-Q100 qualified variants.
