PIC24FJ64GU205T-I/M4 - 16-bit MCU, 64KB Flash, USB | Microchip
N.º da peça: PIC24FJ64GU205T-I/M4 ✓ Ativo| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $4.18 | $4,18 |
| 10 | $3.78 | $37,80 |
| 100 | $3.39 | $339,00 |
| 500 | $2.96 | $1.480,00 |
| 1.000 | $2.65 | $2.650,00 |
PIC24FJ64GU205T-I/M4 Visão geral
The PIC24FJ family is a 16-bit microcontroller line from Microchip positioned between the 8-bit PIC16/PIC18 families and the 32-bit PIC32MX/dsPIC families. Within the 16-bit MCU hierarchy it belongs to the eXtreme Low-Power (XLP) sub-family and the GP2/GU2 peripheral set, which together target portable, USB-connected, low-duty-cycle embedded products. The PIC24FJ64GU205 specifically is the highest-density member of the low-pin-count GP2/GU2 sub-family, giving designers the largest on-chip memory of that group while still fitting into packages as small as 48 pins.
Key features of this part include hardware USB 2.0 Full-Speed On-The-Go support that eliminates external transceivers, ECC on Flash for improved reliability in safety-relevant firmware, multiple serial interfaces (I2C/SPI/UART) for sensor and peripheral expansion, and configurable 16-bit timers plus Capture/Compare/PWM modules for motor, lighting and signal-conditioning loops. The integrated 12-bit ADC and analog comparators remove the need for external signal conditioning on simple analog front ends.
In the architecture itself, a wide datapath with modifier lanes handles 16-bit arithmetic and DSP-style operations more efficiently than an 8-bit core, while the XLP design techniques (deep-sleep modes, peripheral clock gating, retention RAM) keep average current draw low. The combination of hardware USB, ECC Flash and CIPs (such as CLC, MCCP and DMA-like blocks) lets firmware implement complex behaviours with very little CPU involvement.
Typical applications for the PIC24FJ64GU205T-I/M4 include USB peripherals such as human-interface devices, CDC virtual COM ports and USB audio class devices, wearable health and fitness sensor hubs, low-power IoT sensor nodes with USB firmware-update channels, and industrial data loggers that need ECC Flash for long-term retention. The USB OTG capability also makes it a candidate for tablet- or phone-connected accessories.
When designing around this MCU, allocate adequate decoupling on VDD/VUSB and follow Microchip's USB PCB layout rules for the D+/D- pair to remain USB-IF compliant; designers should also size the LDO or battery source to handle the inrush when the USB transceiver starts up. This page consolidates distributor pricing, drop-in alternatives and practical design notes that are not found in the manufacturer datasheet alone.
Alternativas drop-in para PIC24FJ64GU205T-I/M4 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com PIC24FJ64GU205T-I/M4 (mesmo formato e footprint) — diferindo em Package, ADC, Operating Temperature, Core, Core Architecture.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
PIC24FJ64GU205-I/M4
✅ Drop-In✓ Em estoque
$2.45 / unidade
Ver ficha técnica →PIC24FJ64GU205T-E/M4
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC24FJ32GU205T-I/M4
✅ Drop-In✓ Em estoque
$1.9 / unidade
Ver ficha técnica →PIC24FJ64GU202T-I/M4
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC24FJ64GU205T-I/MV
✅ Drop-In📋 Alternativa de referência (fora do catálogo)
PIC24FJ64GA705T-I/M4
✅ Drop-In ⚠️ Especificações não verificadas✓ Em estoque
$2.1 / unidade
Ver ficha técnica →PIC24FJ64GU205T-I/M4 Classificações máximas e características elétricas
| Core | PIC24 (16-bit modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory | 64 KB ECC Flash |
| Data Memory (RAM) | 8 KB |
| USB | USB 2.0 Full-Speed Host/Device/OTG |
| ADC | 12-bit, up to 400 Ksps |
| Analog Comparators | 3 |
| Temperatura de operação | -40C to +85C (industrial, -I suffix) |
| Encapsulamento | 48-pin UQFN (M4) 6x6 mm |
| Tipo de montagem | Surface Mount |
| Packaging | Tape & Reel (T suffix) |
| Status RoHS | Compliant |
| Core Independent Peripherals | Yes (CLC, MCCP, configurable logic) |
| Serial Interfaces | I2C / SPI / UART |
| Timers | 16-bit (multiple) |
| eXtreme Low Power (XLP) | Yes |
Configuração de pinos do PIC24FJ64GU205T-I/M4
| Pino 1 | RA0 — Port A bit 0 (analog/digital) |
| Pino 2 | RA1 — Port A bit 1 (analog/digital) |
| Pino 3 | RA2 — Port A bit 2 (analog/digital) |
| Pino 4 | RA3 — Port A bit 3 (analog/digital) |
| Pino 5 | RA4 — Port A bit 4 (analog/digital) |
| Pino 6 | VDD — Core supply voltage |
| Pino 7 | VSS — Ground reference |
| Pino 8 | RA5 — Port A bit 5 (analog/digital) |
| Pino 9 | RA6 — Port A bit 6 (analog/digital) |
| Pino 10 | RA7 — Port A bit 7 (analog/digital) |
| Pino 11 | RB0 — Port B bit 0 (digital I/O) |
| Pino 12 | RB1 — Port B bit 1 (digital I/O) |
| Pino 13 | RB2 — Port B bit 2 (digital I/O) |
| Pino 14 | RB3 — Port B bit 3 (digital I/O) |
| Pino 15 | RB4 — Port B bit 4 (digital I/O, SDA1) |
| Pino 16 | RB5 — Port B bit 5 (digital I/O, SCL1) |
| Pino 17 | RB6 — Port B bit 6 (digital I/O, PGD) |
| Pino 18 | RB7 — Port B bit 7 (digital I/O, PGC) |
| Pino 19 | RC0 — Port C bit 0 (digital I/O) |
| Pino 20 | RC1 — Port C bit 1 (digital I/O, OE) |
| Pino 21 | RC2 — Port C bit 2 (digital I/O, D-/UART) |
| Pino 22 | VDD — Core supply voltage |
| Pino 23 | VSS — Ground reference |
| Pino 24 | RC3 — Port C bit 3 (digital I/O, D+) |
| Pino 25 | RC4 — Port C bit 4 (digital I/O) |
| Pino 26 | RC5 — Port C bit 5 (digital I/O) |
| Pino 27 | RC6 — Port C bit 6 (digital I/O) |
| Pino 28 | RC7 — Port C bit 7 (digital I/O) |
| Pino 29 | RD0 — Port D bit 0 (digital I/O) |
| Pino 30 | RD1 — Port D bit 1 (digital I/O) |
| Pino 32 | RD2 — Port D bit 2 (digital I/O) |
| Pino 33 | RD3 — Port D bit 3 (digital I/O) |
| Pino 34 | RD4 — Port D bit 4 (digital I/O) |
| Pino 35 | RD5 — Port D bit 5 (digital I/O) |
| Pino 36 | RD6 — Port D bit 6 (digital I/O) |
| Pino 37 | RD7 — Port D bit 7 (digital I/O) |
| Pino 38 | VUSB — USB transceiver supply (3.3V LDO output) |
| Pino 39 | VBUS — USB VBUS sensing input |
| Pino 40 | D- — USB D- differential data line |
| Pino 41 | D+ — USB D+ differential data line |
| Pino 42 | VDD — Core supply voltage |
| Pino 43 | VSS — Ground reference |
| Pino 44 | OSC1 — External oscillator input / crystal |
| Pino 45 | OSC2 — External oscillator output / crystal |
| Pino 46 | MCLR — Master Clear (reset) input, active-low |
| Pino 47 | RE0 — Port E bit 0 (digital I/O) |
| Pino 48 | RE1 — Port E bit 1 (digital I/O) |
| Pino 31 | NC — Not connected (pin reserved per package outline) |
| Pino 11 | RB0 — Port B bit 0 (digital I/O, INT0) |
Aplicações típicas
PIC24FJ64GU205T-I/M4 é adequado para 6 aplicaçãos: USB Human Interface Devices (HID), USB CDC Virtual COM Port Bridges, Wearable Health and Fitness Sensor Hubs, Low-Power IoT Sensor Nodes with USB Firmware Update, Industrial Data Loggers, USB Audio Class Devices.
USB Human Interface Devices (HID)
The PIC24FJ64GU205T-I/M4 is well matched to USB HID peripherals such as keyboards, mice, game controllers and custom input devices. According to the Microchip PIC24FJ64GU205 family datasheet, the integrated Full-Speed USB 2.0 Host/Device/OTG transceiver removes the need for an external PHY and adds an internal USB regulator that simplifies the bus- and VUSB-power tree. The 64 KB ECC Flash and 8 KB RAM are sufficient for the USB HID class driver plus application firmware, while 16 MIPS throughput keeps polling latency low. Core Independent Peripherals such as CLC and MCCP offload debouncing and PWM generation from the CPU, further reducing interrupt load. The XLP sleep modes (a few hundred nA with RAM retention) suit battery-powered wireless mice or presenters.
Recomendado
USB CDC Virtual COM Port Bridges
The PIC24FJ64GU205T-I/M4 is a natural choice for USB-to-UART bridges that present as a CDC ACM virtual COM port on the host. The on-chip USB 2.0 Full-Speed transceiver handles enumeration and bulk transfers without an external chip, freeing board space, while the integrated UART, I2C and SPI peripherals let the bridge expose multiple legacy busses. The 64 KB ECC Flash fits the CDC class stack plus command-line firmware (e.g. MCP2221-style behaviour) and the 8 KB RAM accommodates dual-bank USB endpoint buffers. Industrial temperature grade (-40C to +85C) makes the part suitable for factory-floor test fixtures and lab instruments. ECC Flash also helps detect/correct single-bit errors in long-lifetime devices such as bench equipment that remains in service for many years.
Recomendado
Wearable Health and Fitness Sensor Hubs
The PIC24FJ64GU205T-I/M4 is well suited to wearable health and fitness sensor hubs thanks to its XLP eXtreme Low-Power architecture and integrated USB for charging and data sync. Sleep currents in the few-hundred-nA range (with RAM retention, per the Microchip product page) extend battery life between charges, while the 12-bit 400 Ksps ADC and three analog comparators connect directly to photoplethysmography (PPG), temperature and bio-impedance sensors without external signal conditioning. The 64 KB ECC Flash stores algorithm code, calibration tables and step counters, and ECC improves reliability in safety-relevant firmware. The Full-Speed USB OTG port allows the same connector to be used for charging, firmware update and streaming raw sensor data to a host application.
Recomendado
Low-Power IoT Sensor Nodes with USB Firmware Update
The PIC24FJ64GU205T-I/M4 fits battery-powered IoT sensor nodes that occasionally tether to a host via USB for firmware update and data offload. According to the Microchip family datasheet, XLP deep-sleep modes and peripheral clock gating allow average current draw in the microamp range when only a wake-up timer is running, while the 64 KB ECC Flash stores application plus bootloader for USB DFU (device firmware upgrade). The integrated USB OTG port allows the node to act as a USB device and stream collected sensor data when plugged in. CIPs such as CLC and MCCP handle signal conditioning and PWM-driven sensor excitation without waking the CPU, further reducing average power. ECC Flash protects long-retention data such as calibration constants from bit-rot over multi-year deployments.
Recomendado
Industrial Data Loggers
The PIC24FJ64GU205T-I/M4 is a strong fit for industrial USB-attached data loggers used in factory automation and process monitoring. The 64 KB ECC Flash retains logged events and configuration parameters across power cycles, and ECC protects against single-bit errors that could otherwise corrupt long-term records - an important consideration in regulated industries such as pharmaceuticals or food processing. The 12-bit 400 Ksps ADC samples multiple analog channels (vibration, temperature, 4-20 mA loops) with on-chip comparators providing threshold detection, while I2C/SPI/UART ports connect to digital sensors and isolated communication links. The industrial -40C to +85C temperature range and Full-Speed USB OTG port enable direct host connectivity for log retrieval without external bridge ICs.
Recomendado
USB Audio Class Devices
The PIC24FJ64GU205T-I/M4 can serve as the host-side controller in USB audio class devices such as USB headsets, USB microphones and USB speakers. According to the Microchip PIC24FJ64GU205 family datasheet, the integrated Full-Speed USB 2.0 OTG transceiver supports isochronous USB audio endpoints, and the 16 MIPS 16-bit core plus DMA-style CIPs sustain the small packet intervals required for jitter-free audio streaming. The 12-bit ADC and PWM-driven outputs can drive simple headphone amplifiers or line outputs, while I2C/SPI ports configure external audio codecs and DACs. The 64 KB ECC Flash holds the USB Audio class stack plus application firmware. XLP sleep modes also help battery-powered USB speakers meet standby-power targets between playback sessions.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para PIC24FJ64GU205T-I/M4 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | PIC24FJ64GU205-I/M4 | PIC24FJ64GU205T-E/M4 | PIC24FJ32GU205T-I/M4 | PIC24FJ64GU202T-I/M4 | PIC24FJ64GU205T-I/MV | PIC24FJ64GA705T-I/M4 |
|---|---|---|---|---|---|---|---|
| Package | 48-pin UQFN (M4) 6x6 mm | 48-pin UQFN (M4) 6x6 mm - same | 48-pin UQFN (M4) 6x6 mm - same | 48-pin UQFN (M4) 6x6 mm - same | 48-pin UQFN (M4) 6x6 mm - same | 48-pin UQFN (M4) 6x6 mm - same | 48-pin UQFN (M4) 6x6 mm - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Flash | 64 KB ECC | 64 KB ECC | 64 KB ECC | 32 KB ECC | 64 KB ECC | 64 KB ECC | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| USB | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | No integrated USB OTG |
| 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 +125C (extended) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) | -40C to +85C (industrial) |
| Packaging Form | Tape & Reel (T suffix) | Tray (no T suffix) | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel (MV reel code) | Tape & Reel |
| Sub-family | PIC24FJ GU2 (USB) | PIC24FJ GU2 (USB) | PIC24FJ GU2 (USB) | PIC24FJ GU2 (USB) | PIC24FJ GU2 (USB) | PIC24FJ GU2 (USB) | PIC24FJ GA7 (no USB) |
Principais diferenciais
- Highest-density member of the 48-pin PIC24FJ GP2/GU2 sub-family (vs PIC24FJ32GU205T-I/M4)
- Integrated USB 2.0 Full-Speed Host/Device/OTG transceiver (vs PIC24FJ64GA705T-I/M4)
- Extended-temperature sibling available with same pinout (vs PIC24FJ64GU205T-E/M4)
Notas de projeto
USB-IF compliance requires careful PCB layout of the D+ and D- lines. Route D+ and D- as a 90-ohm differential pair with matched length, keep them over a continuous ground plane and place the 15 kB pull-down on D- (device) or 1.5 kB pull-up on D+ (host) close to the IC. Place the VBUS-sense resistor divider near the VBUS pin and add ESD protection diodes rated for IEC 61000-4-2 on D+/D-/VBUS for production designs.
The PIC24FJ64GU205T-I/M4 has separate VDD and VUSB pins; the on-chip USB transceiver draws power from VUSB (typically 3.3V) regardless of VDD level. Decouple VDD with a 100 nF ceramic plus 10 uF bulk cap close to the IC, and decouple VUSB similarly. If the application bus-powers from VBUS only, include a soft-start network on VUSB to limit inrush current at USB plug-in and avoid host-side enumeration failures.
Do not exceed the maximum USB VBUS rating (typically 5.5V) on the VBUS sense pin; use a resistive divider that keeps VBUS below VDD + 0.3V at all times. Ensure the MCLR pin is pulled up through a resistor (10 kB typical) and that the cap on MCLR (if used) is at most 100 nF, otherwise the device may not exit reset reliably. When migrating from the GA7 family, double-check that USB OTG firmware is configured - the GA7 sub-family does not include the USB transceiver.
At the 32 MHz operating point with USB active, the PIC24FJ64GU205T-I/M4 typically dissipates well under 50 mW. Estimated: at VDD = 3.3 V, IDD_ACT ~= 15 mA and IUSB ~= 10 mA, giving roughly 0.08 W total - the 48-pin UQFN (M4) package thermal resistance is sufficient without an external heatsink. However, designers should still place the thermal pad on a copper pour to keep the junction temperature low during continuous USB streaming and to improve long-term reliability in enclosed industrial enclosures.
Informações de conformidade
RoHS compliant per Microchip product page; AEC-Q100 not qualified (industrial grade only); halogen-free status not explicitly stated in the verified web data and therefore marked unknown.
