PIC24FJ32GU202-E/SO - 16-bit 32KB ECC Flash USB MCU | Microchip
MPN: PIC24FJ32GU202-E/SO ✓ NakahandaPIC24FJ32GU202-E/SO Ulas
A 16-bit microcontroller (MCU) is an embedded processor with a 16-bit data path, register file, and ALU, positioned between 8-bit entry-level MCUs and 32-bit Cortex-M class devices. The PIC24FJ family extends Microchip's 16-bit dsPIC/PIC24 line with XLP nanoWatt technology and dedicated USB-OTG silicon, targeting battery-powered and tethered peripherals that demand deterministic interrupt response, hardware CIPs for offloading the CPU, and USB connectivity in a single die.
Key differentiating specifications include integrated Full-Speed USB 2.0 Host/Device/OTG, 32 KB ECC Flash with hardware error correction for improved reliability in harsh environments, 8 KB RAM that supports USB endpoint buffers plus application stack/heap, and XLP sleep currents in the hundreds of nanoamperes while retaining SRAM and interrupt context. The 16 MIPS performance at 32 MHz gives 62.5 ns instruction cycle, suitable for real-time control loops. Peripherals typically include multiple UART/SPI/I2C, a 10/12-bit ADC, comparators, and RTCC.
Typical applications are USB Human Interface Devices (HID), USB-to-UART bridges, low-power sensor loggers, industrial data loggers with USB upload, medical point-of-care USB peripherals, and battery-powered consumer accessories. The 28-SOIC footprint eases hand-soldering and rework for prototypes and small-volume production.
When designing, allocate the 8 KB RAM carefully between USB endpoint FIFOs and application data to avoid overrun, place the USB DP/DM traces as a 90-ohm differential pair, and bypass VDD/VUSB with 100 nF plus 4.7 µF bulk capacitors placed within 5 mm of the pins.
This page synthesizes distributor pricing, same-brand Microchip drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, giving the buyer a single reference for selecting and validating the PIC24FJ32GU202-E/SO.
Mga alternatibo na pwedeng ilagay na PIC24FJ32GU202-E/SO — parehas na package, pin-to-pin na katugmang. Hindi kasama ang mga bahagi ng iba't-ibang package na nangangailangan ng pagpapaayos ng PCB.
Variante sa Seri na ito
Katulad na modelo sa serye na katugma sa pagpasok PIC24FJ32GU202-E/SO (parehas na form factor at footprint) — pagkakaiba sa Package, Core Architecture, Operating Temperature, Program Memory (Flash), ADC.
PIC24FJ32GU202-I/SO
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
PIC24FJ32GA002-E/SO
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24FJ64GU202-E/SO
✅ Drop-In📋 Alternatibo na Reference (hindi sa katalogo)
PIC24FJ32GU202-E/ML
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24FJ32GA002-E/SS
✅ Drop-InMagkontak para sa presyo
Tingnan ang Datasheet →PIC24FJ32GU202-E/SO Mga Pinakamataas na Rating at Electrical Characteristics
| Core | PIC24 16-bit RISC |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 32 KB ECC (11K x 24) |
| RAM | 8 KB |
| USB | USB 2.0 Full-Speed Host/Device/OTG (on-chip transceiver) |
| Supply Voltage (VDD) | 2.0 V to 3.6 V (nominal 3.3 V) |
| Temperature na Operasyon | -40 C to +125 C (E-temp / extended) |
| Packhaging | 28-pin SOIC (SO), wide-body |
| Uri ng Pagpapasok | Surface Mount |
| Communication | UART, SPI, I2C (peripherals on chip) |
| Sleep Current (XLP) | Hundreds of nA (XLP nanoWatt) |
| Level ng MSL | MSL 3 (per JEDEC J-STD-020, typical for SOIC) |
| Tindminan RoHS | Compliant |
| Lead-Free / Halogen-Free | Lead-free (per Microchip product page) |
| Process Technology | CMOS |
Pin Configuration ng PIC24FJ32GU202-E/SO
| Pin 1 | RA0 — PORTA bit 0 / analog / reference input |
| Pin 2 | RA1 — PORTA bit 1 / analog |
| Pin 3 | RA2 — PORTA bit 2 / analog |
| Pin 4 | RA3 — PORTA bit 3 / analog |
| Pin 5 | VDD — Positive supply (2.0 V to 3.6 V) |
| Pin 6 | VSS — Ground reference |
| Pin 7 | RB0 — PORTB bit 0 / PGED1 programming data |
| Pin 8 | RB1 — PORTB bit 1 / PGEC1 programming clock |
| Pin 9 | RB2 — PORTB bit 2 |
| Pin 10 | RB3 — PORTB bit 3 |
| Pin 11 | RB4 — PORTB bit 4 / SDA1 |
| Pin 12 | RB5 — PORTB bit 5 / SCL1 |
| Pin 13 | RB6 — PORTB bit 6 / PGC2 |
| Pin 14 | RB7 — PORTB bit 7 / PGD2 |
| Pin 15 | VUSB — USB transceiver supply (3.3 V regulated) |
| Pin 16 | D- — USB Full-Speed D- data line |
| Pin 17 | D+ — USB Full-Speed D+ data line |
| Pin 18 | RC0 — PORTC bit 0 |
| Pin 19 | RC1 — PORTC bit 1 |
| Pin 20 | RC2 — PORTC bit 2 |
| Pin 21 | RC3 — PORTC bit 3 |
| Pin 22 | RC4 — PORTC bit 4 |
| Pin 23 | RC5 — PORTC bit 5 |
| Pin 24 | RC6 — PORTC bit 6 / TX1 |
| Pin 25 | RC7 — PORTC bit 7 / RX1 |
| Pin 26 | VDD — Positive supply (tied to pin 5) |
| Pin 27 | AVDD — Analog supply (tied to VDD) |
| Pin 28 | AVSS — Analog ground (tied to VSS) |
Tipikal na mga Gamit
PIC24FJ32GU202-E/SO ay nararapat para sa 6 aplikasyons: USB HID Peripheral, USB-to-UART Bridge, Low-Power Sensor Logger, USB Medical Point-of-Care Device, Industrial Data Logger with USB Upload, USB Battery Charger / Power Bank Controller.
USB HID Peripheral
The PIC24FJ32GU202-E/SO's on-chip Full-Speed USB 2.0 transceiver, 16 MIPS performance, and 8 KB RAM make it an ideal MCU for USB Human Interface Devices such as keyboards, mice, game controllers, and custom input peripherals. It directly drives the USB DP/DM lines without an external PHY, simplifying BOM. The 32 KB ECC Flash holds HID report descriptors and application firmware, while 8 KB RAM accommodates USB endpoint FIFOs plus HID report buffers. Its XLP nanoWatt sleep mode supports USB suspend/resume requirements (less than 2.5 mA suspend current) for bus-powered peripherals drawing from the USB VBUS rail.
Inirekomenda
USB-to-UART Bridge
Engineers commonly use the PIC24FJ32GU202-E/SO as a CDC-class USB-to-UART bridge, replacing FTDI-style bridges with a single-chip Microchip solution. The on-chip USB 2.0 transceiver handles Full-Speed signaling, the 16 MIPS PIC24 core runs the CDC ACM class driver, and one of the UART peripherals drives the asynchronous serial side at up to 921600 baud. The 8 KB RAM holds USB endpoint buffers plus line-state buffers. XLP sleep current keeps idle bridge current under USB suspend limits, enabling zero-apparent-power operation when the host suspends the bus.
Inirekomenda
Low-Power Sensor Logger
The PIC24FJ32GU202-E/SO's XLP nanoWatt sleep current (hundreds of nA while retaining SRAM) and 32 KB ECC Flash suit it to battery-powered sensor data loggers that wake periodically, sample, and store. ECC Flash protects against bit flips in long-term deployments. When a host connects via USB, the on-chip OTG transceiver enumerates as a mass-storage or vendor-class device to offload logs. The 28-SOIC package eases hand-soldering for prototyping, and the -40 C to +125 C extended temperature grade supports outdoor industrial deployment.
Inirekomenda
USB Medical Point-of-Care Device
Medical point-of-care peripherals, such as USB glucose meters, pulse oximeters, and rapid diagnostic readers, benefit from the PIC24FJ32GU202-E/SO's on-chip USB, deterministic 16 MIPS performance, and ECC Flash for measurement-log integrity. The extended -40 C to +125 C temperature grade supports clinical-environment operation. USB CDC or vendor-class enumeration simplifies host integration on Windows, Linux, and macOS without custom drivers, while the 32 KB Flash holds measurement firmware plus USB stack.
Inirekomenda
Industrial Data Logger with USB Upload
Industrial data loggers in factory automation use the PIC24FJ32GU202-E/SO to record process variables onto internal Flash and upload results to a host PC via USB when a technician connects. The on-chip USB OTG enables field-portable upload without opening the enclosure, and the extended temperature grade handles factory-floor heat. ECC Flash protects logged data against soft errors that could corrupt long-term records. The 28-SOIC footprint eases conformal-coated board assembly common in industrial enclosures.
Inirekomenda
USB Battery Charger / Power Bank Controller
Portable USB battery chargers and power-bank controllers use the PIC24FJ32GU202-E/SO to negotiate USB BC 1.2 charging, monitor cell voltage/temperature, and present a CDC or HID interface for status LEDs or a host query channel. The on-chip USB OTG eliminates an external PHY, reducing BOM cost in consumer-grade power banks. XLP sleep current keeps quiescent draw below 100 uA in idle, preserving battery shelf life. The 32 KB Flash holds charging algorithms plus USB descriptors.
Inirekomenda
Buod ng mga Inirekomendang Produkto
Impormasyon ng Talumpati sa Engineering for PIC24FJ32GU202-E/SO — ikabit, gabay sa disenyo, at impormasyon ng pagsunod sa kautusan.
Paunawang Hanapin
Ikabit sa Mga Alternatibo
| Parametro | Ito ang Producto | PIC24FJ32GU202-I/SO | PIC24FJ32GA002-E/SO | PIC24FJ64GU202-E/SO | PIC24FJ32GU202-E/ML | PIC24FJ32GA002-E/SS |
|---|---|---|---|---|---|---|
| Package | SOIC-28 (wide-body) | SOIC-28 (wide-body) - same | SOIC-28 (wide-body) - same | SOIC-28 (wide-body) - same | QFN-28 - different footprint | SSOP-28 - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 32 KB ECC | 32 KB ECC | 32 KB ECC (no USB) | 64 KB ECC | 32 KB ECC | 32 KB ECC (no USB) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| USB 2.0 Transceiver | Yes (Host/Device/OTG on-chip) | Yes | No | Yes | Yes | No |
| Operating Temperature | -40 C to +125 C (E-temp) | -40 C to +85 C (I-temp) | -40 C to +125 C (E-temp) | -40 C to +125 C (E-temp) | -40 C to +125 C (E-temp) | -40 C to +125 C (E-temp) |
| 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 |
| Core / Performance | PIC24 16-bit, 32 MHz / 16 MIPS | PIC24 16-bit, 32 MHz / 16 MIPS | PIC24 16-bit, 32 MHz / 16 MIPS | PIC24 16-bit, 32 MHz / 16 MIPS | PIC24 16-bit, 32 MHz / 16 MIPS | PIC24 16-bit, 32 MHz / 16 MIPS |
| XLP Sleep Current | Hundreds of nA | Hundreds of nA | Hundreds of nA | Hundreds of nA | Hundreds of nA | Hundreds of nA |
Pangunahing mga Pagkakaiba
- On-chip USB 2.0 Host/Device/OTG transceiver with no external PHY (kumpara saPIC24FJ32GA002-E/SO)
- Extended industrial temperature grade (-40 C to +125 C) in standard SKU (kumpara saPIC24FJ32GU202-I/SO)
- 32 KB ECC Flash with hardware single-bit error correction (kumpara saPIC24FJ64GU202-E/SO)
- XLP nanoWatt sleep current in the hundreds of nA (kumpara saPIC24FJ32GA002-E/SS)
Talaan ng Disenyo
Place a 100 nF ceramic bypass capacitor on each VDD pin within 5 mm, plus a single 4.7 uF bulk capacitor near the MCU. The USB VUSB pin requires its own 100 nF plus 4.7 uF filter network; do not power VUSB directly from VDD without this filter or USB compliance will fail. If the design can be USB-powered, use a low-dropout regulator such as MCP1700 to provide VDD from VBUS. Source: Microchip PIC24FJ GP2/GU2 family datasheet, Power Considerations section.
Route the USB D+ and D- lines as a 90-ohm differential pair with matched length to within 150 mil. Place a common-mode choke or ESD protection array (such as USBLC6-2SC6) within 5 mm of the USB connector. Keep the DP/DM traces away from switching power nodes and high-current signals to avoid radiated EMI during USB enumeration. Source: USB 2.0 specification and Microchip USB design guidelines.
The PIC24FJ32GU202-E/SO is a 3.3 V part - applying 5 V to any I/O pin will damage it. Use level shifters (such as TXS0108E) when interfacing with 5 V peripherals. Also note that the 'E' suffix is the extended temperature grade (-40 C to +125 C), while the 'I' suffix is industrial (-40 C to +85 C). Verify the correct grade is on the BOM for the target environment. Source: Microchip PIC24F product numbering system.
Allocate the 8 KB RAM carefully between USB endpoint FIFOs (typically 256-512 bytes per endpoint) and application data; running out of RAM causes USB overrun errors and dropped packets. Use MPLAB Code Configurator (MCC) to size buffers. Keep PGECx/PGEDx accessible for in-circuit programming - do not place them under BGA balls or hidden test points. Source: Microchip MPLAB X and MCC documentation.
Impormasyon ng Pagsunod sa Kautusan
RoHS compliant per Microchip product page. The -E temperature grade supports automotive-adjacent industrial deployment but is not AEC-Q100 qualified - choose a PIC24F Q1 variant for full automotive certification. Lead-free and halogen-free per Microchip environmental compliance documentation.
