PIC24FJ64GU202-E/SS - 64KB ECC Flash USB MCU, 28-SSOP
N.º de pieza: PIC24FJ64GU202-E/SS ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $3.85 | $3,85 |
| 10 | $3.42 | $34,20 |
| 100 | $2.95 | $295,00 |
| 500 | $2.5 | $1.250,00 |
| 1.000 | $2.1 | $2.100,00 |
PIC24FJ64GU202-E/SS Descripción general
A 16-bit microcontroller (MCU) is a programmable processor whose data path, registers, and ALU are 16 bits wide, providing roughly an order-of-magnitude higher throughput than 8-bit MCUs while retaining deterministic interrupt latency. The PIC24FJ family belongs to the broader category of mixed-signal microcontrollers (semiconductor -> IC -> microcontroller -> 16-bit MCU) and is designed for low-power embedded applications where USB connectivity and on-chip analog are required.
Key features of the PIC24FJ64GU202-E/SS include up to 64 KB self-programmable Flash with ECC, 8 KB SRAM, USB 2.0 FS OTG with on-chip transceiver, deep sleep currents in the few-hundred-nA range with full RAM retention, and 2 UART, 2 SPI, and 2 I2C serial interfaces. DMA channels offload the CPU from peripheral data movement, and the configurable logic cell (CLC) peripheral enables hardware-state-machine glue logic without external gates.
Typical applications include USB HID peripherals (keyboards, mice, custom input devices), low-power sensor hubs, USB-to-UART bridges, wearable medical patches, and consumer IoT nodes that need always-on battery life. When designing with this device, provide a stable 3.0-3.6 V rail to VDD, route USB DP/DM as a 90-ohm differential pair, and place the VUSB capacitor within a few millimeters of the VUSB pin. The MPLAB X IDE plus MPLAB Code Configurator (MCC) generates USB stack code and pin mappings automatically, reducing firmware time-to-market. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet.
Alternativas directas para PIC24FJ64GU202-E/SS — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con PIC24FJ64GU202-E/SS (mismo factor de forma y huella) — difiere en ADC, Operating Temperature, Timers, Program Memory (Flash), Core.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
PIC24FJ64GU202-I/SS
✅ Sustitución directa✓ En stock
$2.52 / unidad
Ver hoja de datos →PIC24FJ64GP202-I/SS
✅ Sustitución directa✓ En stock
$2.21 / unidad
Ver hoja de datos →PIC24FJ64GA702-I/SS
✅ Sustitución directa✓ En stock
$2.02 / unidad
Ver hoja de datos →PIC24FJ64GA702T-I/SS
✅ Sustitución directa✓ En stock
$1.85 / unidad
Ver hoja de datos →PIC24FJ128GU202-I/SS
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
PIC24FJ64GB202-E/SS
✅ Sustitución directa✓ En stock
$4.18 / unidad
Ver hoja de datos →PIC24FJ64GU202-E/SS Valores máximos y características eléctricas
| Core | PIC24 16-bit RISC |
| Maximum CPU Frequency | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB (22K x 24) with ECC |
| Data RAM | 8 KB |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| USB Controller | USB 2.0 Full-Speed Host/Device/OTG with on-chip transceiver |
| ADC | 12-bit, up to 9 channels |
| DMA Channels | 2 |
| Timers | 6 (16-bit) |
| PWM Channels | 5 (via Output Compare) |
| CLC (Configurable Logic Cells) | 4 |
| UART | 2 |
| SPI | 2 |
| I2C | 2 (SMBus compatible) |
| Sleep Current (XLP) | down to a few hundred nA (RAM retention) |
| Temperatura de funcionamiento | -40C to +125C (E-temp, Extended) |
| Encapsulado | 28-pin SSOP (5.30 mm body) |
| Tipo de montaje | Surface Mount |
| Nivel MSL | 1 |
| Estado RoHS | Compliant |
Configuración de pines de PIC24FJ64GU202-E/SS
| Pin 1 | SDA1/RA0 — I2C1 SDA / GPIO |
| Pin 2 | SCL1/RA1 — I2C1 SCL / GPIO |
| Pin 3 | RA2 — GPIO only |
| Pin 4 | RA3 — GPIO only |
| Pin 5 | RA4 — GPIO with weak pull-up |
| Pin 6 | RA5 — GPIO only |
| Pin 7 | RA6 — GPIO / oscillator input |
| Pin 8 | RA7 — GPIO / oscillator input |
| Pin 9 | VSS — Ground reference |
| Pin 10 | VCAP — 2.5V core voltage decoupling (internal regulator output) |
| Pin 11 | RB0 — GPIO / programmable pull-up |
| Pin 12 | RB1 — GPIO / programmable pull-up |
| Pin 13 | RB2 — GPIO / programmable pull-up / ANA |
| Pin 14 | RB3 — GPIO / programmable pull-up / ANA |
| Pin 15 | RB4 — GPIO / programmable pull-up / ANA |
| Pin 16 | RB5 — GPIO / programmable pull-up / ANA |
| Pin 17 | RB6 — ICSP PGECx / GPIO |
| Pin 18 | RB7 — ICSP PGEDx / GPIO |
| Pin 19 | AVSS — Analog ground |
| Pin 20 | AVDD — Analog supply voltage (2.0-3.6V) |
| Pin 21 | RC0 — GPIO / analog input |
| Pin 22 | RC1 — GPIO / analog input |
| Pin 23 | RC2 — GPIO / analog input |
| Pin 24 | RC3 — GPIO / analog input |
| Pin 25 | RC4 — GPIO / USB VBUS detect or analog |
| Pin 26 | D- — USB D- data line |
| Pin 27 | D+ — USB D+ data line |
| Pin 28 | VDD — Digital supply voltage (2.0-3.6V) |
Aplicaciones típicas
PIC24FJ64GU202-E/SS es adecuado para 7 aplicacións: USB HID Peripherals, Low-Power Sensor Hubs, USB-to-UART Bridges, Wearable Medical Patches, Consumer IoT Edge Nodes, Industrial USB Diagnostics Tools, Audio Streaming USB Accessories.
USB HID Peripherals
The PIC24FJ64GU202-E/SS is ideal for USB HID peripherals such as keyboards, mice, custom input devices, and gaming controllers. Its integrated Full-Speed USB 2.0 OTG controller with on-chip transceiver eliminates the need for an external PHY, reducing BOM cost and PCB area. The 64 KB ECC Flash holds full USB stacks plus vendor-specific HID report descriptors, while 8 KB RAM buffers HID events without CPU bottlenecks. With USB active, current consumption stays under 25 mA - well below USB 2.0 bus-powered limits. Compared to bit-banged software USB on 8-bit MCUs, the hardware USB engine frees the CPU to handle matrix scanning, debouncing, and LED effects.
Recomendado
Low-Power Sensor Hubs
The PIC24FJ64GU202-E/SS suits battery-powered sensor hubs that aggregate temperature, humidity, motion, and ambient-light data. Its XLP deep-sleep current drops to a few hundred nA while retaining the full 8 KB RAM, so the MCU can wake briefly on a timer or sensor interrupt and immediately re-enter sleep. The 9-channel 12-bit ADC samples multiple analog sensors directly, and DMA offloads conversions from the CPU. With USB OTG, the hub can also accept firmware updates or charge its Li-ion battery from any USB host - a single chip handles both sensing and connectivity duties in a compact 28-SSOP footprint.
Recomendado
USB-to-UART Bridges
The PIC24FJ64GU202-E/SS serves as a low-cost USB-to-UART bridge for legacy serial peripherals, replacing CP2102-style dongles with a fully programmable solution. The two on-chip UARTs operate up to several Mbaud, and the 32 MHz core sustains up to 16 MIPS - more than enough to bridge full-speed UART traffic while executing vendor-specific commands. USB DFU or vendor-class firmware lets the device enumerate as a generic serial port on Windows, macOS, and Linux without driver installation. The 28-SSOP package fits inside a small dongle enclosure, and the 3.0-3.6 V VDD simplifies power from the USB 5 V rail via an LDO.
Recomendado
Wearable Medical Patches
The PIC24FJ64GU202-E/SS fits wearable medical patches that record ECG, SpO2, or continuous-glucose data on the body for days at a time. Sleep current in the few-hundred-nA range with full RAM retention lets the MCU wake only when an event occurs, while the 12-bit ADC captures biosignals at low sampling rates without active amplification. USB OTG enables clinic-side data download and battery recharge in a single cable. The -40C to +125C E-temp rating supports skin-temperature operation up to 45C plus self-heating margin. ECC Flash preserves patient data integrity against bit flips - critical for FDA-style medical-device records.
Recomendado
Consumer IoT Edge Nodes
The PIC24FJ64GU202-E/SS powers consumer IoT edge nodes such as smart-home sensors, BLE-beacon gateways, and USB-powered appliances. Its 16 MIPS at 32 MHz handles local control loops, sensor fusion, and secure-communication primitives, while the USB OTG port allows effortless provisioning from any phone charger. The configurable logic cells (CLC) implement custom glue logic - for example, PWM-driven LED indicators or quadrature decoding - in hardware, freeing the CPU for higher-level tasks. Five PWM channels drive RGB LED status rings or buzzer tones, and the eXtreme Low-Power modes extend coin-cell battery life into multi-year territory.
Recomendado
Industrial USB Diagnostics Tools
The PIC24FJ64GU202-E/SS suits industrial USB diagnostic tools such as field-service programmers, USB protocol analyzers, and isolated serial debuggers. Its industrial -40C to +125C temperature rating and ECC Flash support reliable operation in factory-floor enclosures and electrically noisy panels. USB Host mode enables the device to read USB mass-storage or HID peripherals directly, while 2 UART/SPI/I2C instances connect to legacy industrial buses (RS-485 via transceiver, SPI sensors, I2C EEPROM). The DMA controller streams USB endpoint data to RAM at line rate without CPU intervention, ideal for high-throughput logging.
Recomendado
Audio Streaming USB Accessories
The PIC24FJ64GU202-E/SS supports USB audio class accessories such as USB microphones, USB speakers, and USB-MIDI controllers. While its CPU cannot run heavy DSP, it can act as a USB Audio Device endpoint bridge to an external codec like the SGTL5000, streaming 16-bit 48 kHz stereo PCM at the full USB FS bandwidth (1 MB/s). DMA + double-buffered endpoints maintain glitch-free audio, and the 8 KB RAM holds several milliseconds of audio buffer for jitter tolerance. The 28-SSOP package fits inside compact USB dongles, and on-chip pull-up resistors eliminate the external D+ pull-up required for full-speed USB.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para PIC24FJ64GU202-E/SS — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | PIC24FJ64GU202-I/SS | PIC24FJ64GP202-I/SS | PIC24FJ64GA702-I/SS | PIC24FJ64GA702T-I/SS | PIC24FJ128GU202-I/SS | PIC24FJ64GB202-E/SS |
|---|---|---|---|---|---|---|---|
| Package | 28-SSOP | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same | 28-SSOP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB ECC | 64 KB ECC | 64 KB ECC | 64 KB | 64 KB | 128 KB ECC (+100%) | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| USB 2.0 FS OTG | Yes (on-chip transceiver) | Yes (on-chip transceiver) | No | No | No | Yes (on-chip transceiver) | No |
| XLP Deep-Sleep Current | Few hundred nA (RAM retention) | Few hundred nA (RAM retention) | Not specified | Low power (no USB) | Low power (no USB) | Few hundred nA (RAM retention) | Higher than XLP |
| Operating Temperature | -40C to +125C (E-temp) | -40C to +85C (I-temp) | -40C to +85C (I-temp) | -40C to +85C (I-temp) | -40C to +85C (I-temp) | -40C to +85C (I-temp) | -40C to +125C (E-temp) |
| Packaging Format | Tube | Tube | Tube | Tube | Tape & Reel | Tube | Tube |
Diferenciadores clave
- Integrated USB 2.0 FS OTG with on-chip transceiver (frente a PIC24FJ64GB202-E/SS)
- XLP deep-sleep current in the few-hundred-nA range (frente a PIC24FJ64GA702-I/SS)
- E-temp -40C to +125C rating standard (frente a PIC24FJ64GU202-I/SS)
- ECC Flash for bit-flip protection (frente a PIC24FJ128GU202-I/SS)
Notas de diseño
Estimated: total power budget for a battery-powered USB application. With the MCU running at 32 MHz active (~10 mA), USB connected, and LEDs at ~5 mA total, peak consumption is approximately 18-20 mA. A USB 2.0 port can deliver 100 mA (500 mA after enumeration), so a 3.3V LDO with at least 250 mA capacity (such as MCP1700) is recommended. Place the LDO input capacitor (1uF ceramic) within 2 mm of the LDO and the output capacitor (1uF ceramic) within 2 mm of VDD pin 28 to prevent USB enumeration failures from rail bounce.
Route the USB D+ and D- traces as a 90-ohm differential pair (per USB 2.0 FS specification) with a maximum length of 50 mm and matching lengths within 150 mil. Place the USB connector and ESD protection array (such as PESD5V0L4UG) within 5 mm of the DP/DM pins. Keep the VCAP pin 10 decoupling capacitor (10uF ceramic) on the same layer within 2 mm - this is the internal 2.5V core regulator output and is required for operation. Trace widths of 0.2 mm minimum with continuous ground reference plane below the DP/DM traces improve signal integrity.
Program the internal USB pull-up resistor on D+ (for full-speed device mode) via the UCON register rather than relying on the external 1.5K resistor to VBUS. When designing for USB OTG, route the VBUS sense signal (typically RC4) directly to the USB connector's VBUS pin through a voltage divider that scales 5V to 3.3V. Avoid placing any digital signal traces adjacent to or crossing the DP/DM pair - the impedance discontinuity causes reflection failures during USB compliance testing.
Do not omit the 10uF VCAP capacitor - the PIC24FJ internal 2.5V regulator requires it for stability, and missing it causes erratic behavior or programming failures. Do not connect AVDD/AVSS to the same supply as noisy digital loads; a ferrite bead between VDD and AVDD improves ADC accuracy. When using the E-temp variant, verify your PCB thermal design can dissipate the SSOP's typical 31 C/W theta_JA at maximum ambient - especially for sealed enclosures with no airflow.
Información de cumplimiento
RoHS and REACH compliant per Microchip product page. AEC-Q100 not qualified - choose PIC24FJ64GU202-E/SO variant or Q-grade part if automotive qualification is required.
