PIC24FJ32GP202-I/MV - 32KB Flash, 32MHz 16-bit MCU | Microchip
MPN: PIC24FJ32GP202-I/MV ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.42 | $3.42 |
| 10 | $3.08 | $30.80 |
| 100 | $2.74 | $274.00 |
| 500 | $2.41 | $1,205.00 |
| 1,000 | $2.13 | $2,130.00 |
PIC24FJ32GP202-I/MV Overview
A PIC microcontroller (MCU) is a single-chip computer that combines a CPU, non-volatile program memory (Flash), volatile data memory (RAM), timers, communication peripherals, and analog blocks on one die. The PIC24F series uses a 16-bit modified-Harvard architecture with a rich instruction set tuned for C-compiled embedded code. Within the Microchip taxonomy this part sits at microcontroller -> 16-bit MCU -> PIC24F family -> XLP low-power sub-family, and at the system level it is a member of the broader embedded computing / power-management-aware processing tier that bridges simple 8-bit MCUs and higher-performance 32-bit Cortex-M devices.
Key differentiators include on-chip ECC Flash for higher reliability, sub-uA sleep current with full RAM retention, hardware DMA, six timer modules, multiple analog comparators, and integrated USB 2.0 Full-Speed PHY - eliminating the need for an external transceiver. The device operates from 2.0 V to 3.6 V across -40C to +85C industrial temperatures.
Typical applications include USB peripherals (HID, CDC, custom class), low-power IoT sensor nodes, battery-powered consumer devices, industrial sensor hubs, and small graphical/audio accessories. The UQFN-28 footprint suits space-constrained handhelds where a 4x4 mm MCU footprint is required.
When designing in this part, plan a 3.3 V rail with adequate bulk decoupling near VDD/VSS pairs, assign the USB D+/D- to the dedicated package pins, and use MPLAB X IDE with the XC16 compiler plus Microchip's USB stack for protocol support.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
Drop-in alternatives for PIC24FJ32GP202-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 PIC24FJ32GP202-I/MV (same form factor and footprint) — differing in Package, Core Architecture, ADC, Low-Power Technology, Operating Temperature.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC24FJ32GP202-I/M5
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FJ32GP202-I/M4
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FJ32GP202T-I/MV
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$1.48 / Unit
View Datasheet →PIC24FJ32GA002-I/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
PIC24FJ32GB002-I/SS
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$2.21 / Unit
View Datasheet →PIC24FJ32GP202-I/MV Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC24F 16-bit modified-Harvard |
| Maximum CPU Clock | 32 MHz (16 MIPS) |
| Program Flash | 32 KB with ECC (11K x 24) |
| Data RAM | 8 KB |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Operating Temperature Range | -40C to +85C (Industrial) |
| Package | 28-pin UQFN (4x4 mm) |
| USB | USB 2.0 Full-Speed Host/Device/OTG (integrated PHY) |
| I2C Peripherals | 2 |
| SPI Peripherals | 2 |
| Timers | 6 (16-bit) |
| DMA Controllers | 2 |
| Analog Comparators | Multiple |
| Configurable Logic Cells (CLC) | Yes |
| Sleep Current | Sub-microamp (XLP family) |
| Mounting Type | Surface Mount |
| RoHS Status | Compliant |
PIC24FJ32GP202-I/MV Pin Configuration
| Pin 1 | RP5/RB5 — Remappable I/O / Port B bit 5 |
| Pin 2 | RP6/RB6 — Remappable I/O / Port B bit 6 |
| Pin 3 | RP7/RB7 — Remappable I/O / Port B bit 7 |
| Pin 4 | RP8/RB8 — Remappable I/O / Port B bit 8 |
| Pin 5 | VSS — Ground reference |
| Pin 6 | VSS — Ground reference |
| Pin 7 | VDD — Positive supply input (2.0-3.6 V) |
| Pin 8 | OSCI/CLKI — Crystal oscillator input / external clock |
| Pin 9 | OSCO/CLKO — Crystal oscillator output |
| Pin 10 | D+ — USB data plus (integrated PHY) |
| Pin 11 | D- — USB data minus (integrated PHY) |
| Pin 12 | VBUS — USB VBUS sense input |
| Pin 13 | RP9/RB9 — Remappable I/O / Port B bit 9 |
| Pin 14 | RP10/RB10 — Remappable I/O / Port B bit 10 |
| Pin 15 | RP11/RB11 — Remappable I/O / Port B bit 11 |
| Pin 16 | RP12/RB12 — Remappable I/O / Port B bit 12 |
| Pin 17 | RP13/RB13 — Remappable I/O / Port B bit 13 |
| Pin 18 | RP14/RB14 — Remappable I/O / Port B bit 14 |
| Pin 19 | RP15/RB15 — Remappable I/O / Port B bit 15 |
| Pin 20 | RA0 — Port A bit 0 |
| Pin 21 | RA1 — Port A bit 1 |
| Pin 22 | RA2 — Port A bit 2 |
| Pin 23 | RA3 — Port A bit 3 |
| Pin 24 | RA4 — Port A bit 4 |
| Pin 25 | RA5 — Port A bit 5 |
| Pin 26 | RA6 — Port A bit 6 |
| Pin 27 | RA7 — Port A bit 7 |
| Pin 28 | VDD — Positive supply input (2.0-3.6 V) |
Typical Applications
PIC24FJ32GP202-I/MV is suitable for 7 applications: USB HID Peripheral Device, Battery-Powered IoT Sensor Node, USB CDC Serial Bridge / Virtual COM Port, Consumer Wearable Accessory, Industrial Sensor Hub, USB MIDI / Audio Accessory Controller, Low-Cost USB Charger / Power Bank.
USB HID Peripheral Device
The PIC24FJ32GP202-I/MV is a strong fit for USB Human Interface Device designs because it integrates a Full-Speed USB 2.0 PHY directly on-die, eliminating the external transceiver that adds cost and board area on competing MCUs. With 32 KB ECC Flash and 8 KB RAM, the part runs Microchip's MLA USB stack for HID class with descriptor parsing, report buffering, and remote-wakeup all in firmware. The 32 MHz / 16 MIPS core handles 1 ms USB polling deterministically while leaving CPU headroom for the host application's main loop. Placed on a 3.3 V regulated rail, the device exposes D+/D- to a USB Type-B or Mini-B connector through the mandatory 15 kohm pull-down on D-, and the UQFN-28 footprint keeps total board area under 25 mm x 25 mm.
Recommended
Battery-Powered IoT Sensor Node
The PIC24FJ32GP202-I/MV's XLP eXtreme Low-Power architecture delivers sub-microamp sleep current while retaining the full 8 KB RAM, which lets a sensor node wake on a peripheral interrupt, sample, transmit, and return to sleep without losing state. Operating from 2.0 V to 3.6 V, the part runs directly from a 2xAA alkaline or single-cell Li-Ion source with simple LDO regulation. The two I2C peripherals support multiple digital sensors (temperature, humidity, accelerometers) on the same bus, while the two DMA controllers move samples without CPU intervention, keeping average current draw in the tens of microamps during active windows.
Recommended
USB CDC Serial Bridge / Virtual COM Port
Where a design needs to expose a USB-to-UART bridge without external silicon, the PIC24FJ32GP202-I/MV integrates the USB PHY and the UART engine on one die, allowing a CDC class device to enumerate as a virtual COM port on any modern host. The 8 KB RAM handles USB endpoint buffering plus UART FIFO without thrashing, and the Configurable Logic Cells (CLC) can implement hardware flow-control gating between the two buses with zero CPU overhead. The 3.3 V supply rail simplifies integration with downstream 3.3 V logic, and the industrial -40C to +85C operating range supports outdoor and industrial installations.
Recommended
Consumer Wearable Accessory
For fitness bands, smart-watch peripherals, and wearable accessories, the PIC24FJ32GP202-I/MV balances 32 KB Flash (enough for a USB charging cradle interface plus BLE handoff logic) with the XLP sleep that lets the device idle for weeks on a coin cell. The 4x4 mm UQFN-28 package is small enough to fit inside wristband PCBs, and the integrated USB PHY supports charging cradles and firmware-update over USB without a second IC. Two DMA controllers handle sensor-fusion pipelines while the CPU remains in sleep mode for the majority of each duty cycle.
Recommended
Industrial Sensor Hub
Industrial sensor hubs combining USB diagnostics ports, multi-channel sensor aggregation, and isolated serial interfaces benefit from the PIC24FJ32GP202-I/MV's CIP mix: CLC for hardware de-bounce on limit-switch inputs, multiple timers for pulse-counting flow meters, and two SPI channels for high-speed ADC sampling. The -40C to +85C industrial temperature range is rated for control cabinets and outdoor enclosures, and the ECC Flash supports IEC 60730-style safety class B detection for household appliances. The 3.3 V supply is easy to derive from 24 V industrial rails with a small isolated DC-DC.
Recommended
USB MIDI / Audio Accessory Controller
USB MIDI controllers and audio-class accessories fit naturally on the PIC24FJ32GP202-I/MV because the integrated USB Full-Speed PHY handles class-compliant MIDI 1.0 enumeration while the 16 MIPS core manages button-matrix scanning and rotary-encoder quadrature decoding. The two DMA channels offload LED PWM updates from the CPU, freeing cycles for USB packet handling. Placed between the host USB port and a downstream audio CODEC, the MCU acts as a command router; the same 3.3 V rail can power low-power CODECs directly.
Recommended
Low-Cost USB Charger / Power Bank
USB power-bank controllers and charging cradles frequently use the PIC24FJ32GP202-I/MV as the supervisory MCU: it negotiates USB enumeration, monitors battery voltage via ADC, drives status LEDs via PWM timers, and toggles load FETs via GPIO. The 32 KB Flash holds state-machine logic for QC handshakes, while the 8 KB RAM keeps rolling current/voltage telemetry. Sub-microamp sleep draws allow the controller to remain plugged in indefinitely without draining the battery it monitors.
Recommended
Recommended Products Summary
Engineering reference data for PIC24FJ32GP202-I/MV — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC24FJ32GP202-I/M5 | PIC24FJ32GP202-I/M4 | PIC24FJ32GP202T-I/MV | PIC24FJ32GA002-I/SO | PIC24FJ32GB002-I/SS |
|---|---|---|---|---|---|---|
| Package | UQFN-28 (4x4 mm) | UQFN-28 (4x4 mm) - same | UQFN-28 (4x4 mm) - same | UQFN-28 (4x4 mm) - same | UQFN-28 (4x4 mm) - same | UQFN-28 (4x4 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 32 KB ECC | 32 KB ECC | 32 KB ECC | 32 KB ECC | 32 KB | 32 KB |
| Data RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Max CPU Clock | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Integrated USB PHY | Yes (USB 2.0 Full-Speed Host/Device/OTG) | Yes | Yes | Yes | No | No |
| XLP Sleep Current | Sub-uA with RAM retention | Sub-uA with RAM retention | Sub-uA with RAM retention | Sub-uA with RAM retention | Sub-uA with RAM retention | Sub-uA with RAM retention |
| 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 | 2.0 V to 3.6 V |
| Industrial Temp Range | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
Key Differentiators
- Integrated USB 2.0 Full-Speed PHY on-die (vs PIC24FJ32GA002-I/SO)
- Same-package footprint across the GP2 family (vs PIC24FJ32GP202-I/M5)
- ECC Flash for safety-class applications (vs PIC24FJ32GB002-I/SS)
Design Notes
Place a 10 uF bulk capacitor plus a 0.1 uF decoupling capacitor within 5 mm of each VDD/VSS pair on the PIC24FJ32GP202-I/MV. The 28-pin UQFN places VDD on pins 7 and 28 with VSS on pins 5 and 6; both pairs must be decoupled. For USB applications add a 0.01 uF high-frequency bypass on the VBUS pin to suppress cable-induced transients. Use an LDO with sub-30 uVrms noise if analog peripherals (ADC, comparators) share the rail.
Route the USB D+ and D- lines as a 90-ohm differential pair with length matching within 150 mil. Place the 15 kohm pull-down on D- as close to the MCU as possible; pull-up on D+ is enabled internally by firmware for device-mode enumeration. Keep the 28-pin UQFN thermal pad soldered to a continuous ground pour to provide thermal mass and a low-impedance return path for switching currents.
Do not omit the configuration-bit settings for the PLL and oscillator mode - the PIC24FJ32GP202-I/MV will not start without proper #pragma config directives in the source code. When migrating from PIC24FJ32GA002-I/SO to the GP202, ensure the USB stack is initialized in the project (MLA or Harmony) or the USB pins will remain tri-stated. The /MV suffix indicates UQFN-28 4x4 mm; the /M5 suffix indicates a different lead-free finish - confirm footprint alignment with your PCB library before ordering reels.
Compliance Information
RoHS and lead-free per Microchip product page; AEC-Q100 not qualified (industrial grade only); REACH compliance per Microchip regulatory statements.
