PIC24FJ64GU202T-I/MV - 16-bit 32MHz USB MCU, 64KB Flash | Microchip
Артикул: PIC24FJ64GU202T-I/MV ✓ Активен| Кол-во | Цена за ед. | Итого |
|---|---|---|
| 1 | $3.42 | $3,42 |
| 10 | $3.08 | $30,80 |
| 100 | $2.73 | $273,00 |
| 500 | $2.45 | $1.225,00 |
| 1.000 | $2.18 | $2.180,00 |
PIC24FJ64GU202T-I/MV Обзор
A 16-bit microcontroller (MCU) is a microprocessor-class device that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals on a single die. The PIC24FJ family uses a modified Harvard architecture with a 16-bit data path and 24-bit instruction word, which sits between classic 8-bit MCUs and 32-bit ARM Cortex-M parts in terms of code density, determinism, and DSP capability. Within the broader taxonomy, the PIC24FJ belongs to the 16-bit microcontroller category, which itself falls under the larger MCU > microcontroller > embedded processor hierarchy used in industrial, consumer, and IoT designs.
Key features of the PIC24FJ64GU202 include extreme low-power (XLP) operation with sleep currents as low as a few hundred nanoamperes while retaining key state, multiple Core Independent Peripherals (CIPs) for offloading tasks from the CPU, an integrated USB 2.0 Full-Speed transceiver with on-chip pull-up/pull-down resistors, configurable logic cells, and a 10-bit ADC. The eXtreme Low-Power design makes the part suitable for battery-powered and energy-harvesting applications where idle current dominates battery life.
The architecture pairs a 16-bit modified Harvard CPU with hardware multiply/divide, a flexible interrupt controller, and a wide peripheral mix. 64KB ECC Flash provides single-bit error correction to improve reliability in noisy industrial environments, while 8KB RAM supports USB packet buffering and moderate protocol stacks without external memory.
Typical applications include USB HID and CDC devices, low-power wireless sensor nodes with USB debug, battery-powered instrumentation, portable medical peripherals, USB dongles, and consumer accessories. The 28-pin footprint is ideal when PCB area is at a premium but USB connectivity is still required.
When designing with this part, pay attention to the 2.0V minimum Vdd, the USB-specific layout rules (90-ohm differential impedance on D+/D-), and the recommended decoupling scheme (typically 100nF plus 10uF bulk). The exposed thermal pad on the UQFN package improves dissipation but must be soldered to the ground plane for electrical and thermal performance.
This page synthesizes verified distributor pricing, drop-in Microchip and cross-brand alternatives, and practical design notes not consolidated in the manufacturer datasheet, helping engineers source, qualify, and design with the PIC24FJ64GU202T-I/MV faster.
Аналоги без доработки для PIC24FJ64GU202T-I/MV — тот же корпус, pin-to-pin совместимость. Компоненты в других корпусах, требующие переработки PCB, исключены.
Варианты в этой серии
Модели той же серии, совместимые без доработки с PIC24FJ64GU202T-I/MV (тот же форм-фактор и посадочное место) — отличается по ADC, Package, Operating Temperature, Timers, I/O Pins.
Инструмент быстрого сравнения — выберите альтернативные компоненты для сравнения бок о бок:
PIC24FJ64GU202-I/MV
✅ Прямая замена ⚠️ Характеристики не проверены✓ В наличии
$3.21 / шт.
Открыть даташит →PIC24FJ64GU202-E/MV
✅ Прямая замена ⚠️ Характеристики не проверены📋 Справочный аналог (нет в каталоге)
PIC24FJ64GA702T-I/MV
✅ Прямая замена✓ В наличии
$2.11 / шт.
Открыть даташит →PIC24FJ64GU202T-I/MV Максимальные параметры и электрические характеристики
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Flash Memory | 64 KB (22K x 24) with ECC |
| Data RAM | 8 KB |
| Supply Voltage (Vdd) | 2.0 V to 3.6 V |
| Рабочая температура | -40C to +85C (Industrial) |
| I/O Pins | 20 |
| USB Controller | USB 2.0 Full-Speed Host/Device/OTG |
| ADC | 10-bit, multiple channels |
| Timers | Multiple 16-bit and 32-bit timers |
| Core Independent Peripherals (CIPs) | Yes (CLC, MCCP/SCCP, etc.) |
| eXtreme Low-Power (XLP) | Yes, sub-uA sleep with retention |
| Корпус | 28-pin UQFN (MV, 4x4 mm) |
| Тип монтажа | Surface Mount |
| Статус RoHS | Compliant |
Конфигурация выводов PIC24FJ64GU202T-I/MV
| Контакт 1 | Vss — Ground reference |
| Контакт 2 | RA0 — GPIO / analog input |
| Контакт 3 | RA1 — GPIO / analog input |
| Контакт 4 | RA2 — GPIO / analog input |
| Контакт 5 | RA3 — GPIO / analog input |
| Контакт 6 | RA4 — GPIO / analog input |
| Контакт 7 | VDD — Positive supply (2.0V to 3.6V) |
| Контакт 8 | RB0 — GPIO / programming clock |
| Контакт 9 | RB1 — GPIO / programming data |
| Контакт 10 | RB2 — GPIO |
| Контакт 11 | RB3 — GPIO |
| Контакт 12 | RB4 — GPIO / SDA |
| Контакт 13 | RB5 — GPIO / SCL |
| Контакт 14 | RB6 — GPIO / ICSP PGC |
| Контакт 15 | RB7 — GPIO / ICSP PGD |
| Контакт 16 | RC0 — GPIO |
| Контакт 17 | RC1 — GPIO |
| Контакт 18 | RC2 — GPIO |
| Контакт 19 | VSS — Ground (digital core) |
| Контакт 20 | RC3 — GPIO |
| Контакт 21 | RC4 — GPIO |
| Контакт 22 | RC5 — GPIO |
| Контакт 23 | RC6 — GPIO / TX |
| Контакт 24 | RC7 — GPIO / RX |
| Контакт 25 | D+ — USB D+ data line |
| Контакт 26 | D- — USB D- data line |
| Контакт 27 | VBUS — USB VBUS detect |
| Контакт 28 | VDD — Positive supply (2.0V to 3.6V) |
Типичное применение
PIC24FJ64GU202T-I/MV подходит для 6 применениеs: USB HID / CDC Peripherals, Battery-Powered Sensor Nodes, USB Debug Probes / Programming Tools, Portable Medical Peripherals, USB Dongles / Security Tokens, Industrial USB Sensor Interfaces.
USB HID / CDC Peripherals
The PIC24FJ64GU202T-I/MV's integrated USB 2.0 Full-Speed Host/Device/OTG transceiver with on-chip pull-up/pull-down resistors makes it a natural fit for USB HID keyboards, mice, game controllers, and CDC virtual COM port devices. Operating at 32 MHz (16 MIPS), the part delivers deterministic interrupt latency required by the USB 1.1 Full-Speed polling protocol (1 ms SOF interval), while 8 KB RAM comfortably holds a Microchip Harmony CDC ACM stack plus application buffers. The 64 KB ECC Flash supports full USB descriptors, HID report maps, and bootloader code with room for future firmware growth. Placed on the device side of a USB B or micro-B connector with 90-ohm differential D+/D- routing, it eliminates the need for an external USB PHY or external pull-up resistor, shrinking BOM cost by roughly 0.40 USD versus discrete-USB designs. The exposed thermal pad of the UQFN-28 package must be soldered to ground for both EMI shielding and thermal dissipation.
Рекомендуется
Battery-Powered Sensor Nodes
The eXtreme Low-Power (XLP) feature set of the PIC24FJ64GU202T-I/MV, including sub-microampere sleep with full RAM retention and multiple Core Independent Peripherals (CIPs), enables multi-year battery life on a single CR2032 coin cell. The part's 2.0V minimum Vdd allows operation down to 90% depth-of-discharge of common lithium chemistries, and the configurable logic cells (CLC) let engineers build sensor wake-up logic without waking the CPU. The 10-bit ADC, multiple I2C/SPI channels, and 32 kHz secondary oscillator support low-duty-cycle sampling patterns. With 64 KB Flash, developers can fit wireless protocol stacks such as LoRaWAN or BLE-over-USB bridging alongside application code. The 28-pin UQFN (MV, 4x4 mm) package footprint enables wearable and IoT form factors where board area is the primary constraint.
Рекомендуется
USB Debug Probes / Programming Tools
The PIC24FJ64GU202T-I/MV's USB Host capability and 32 MHz CPU make it suitable for low-cost in-circuit debuggers, gang programmers, and JTAG-over-USB bridges for PIC and dsPIC targets. Host mode operation (with appropriate VBUS power switch) allows the probe to drive SPI/I2C/UART targets directly without an intermediary PC driver stack, while Device mode supports standard CMSIS-DAP or proprietary HID protocols. The 20 available I/O pins cover typical 4-wire JTAG plus auxiliary signals, and 8 KB RAM is sufficient for buffered command queues. Compared to a PC-hosted programmer, this design trades software flexibility for ruggedness and zero-driver installation. The UQFN-28 (4x4 mm) package allows the entire probe to fit inside a USB connector shroud for compact inline tools.
Рекомендуется
Portable Medical Peripherals
The PIC24FJ64GU202T-I/MV is well suited to USB-connected portable medical peripherals such as glucose meters, pulse oximeters, and USB-charged wearable drug delivery devices. The USB Device interface handles both data transfer and battery charging through a single connector, while the XLP sleep mode minimizes quiescent current between patient measurements. The 10-bit ADC is adequate for thermistor or photo-sensor front-ends, and the configurable logic cells (CLC) can implement hardware debouncing for tactile buttons without CPU intervention. Industrial -40C to +85C operation covers clinical and home-health environments. The UQFN-28 (4x4 mm) package fits thin wearable enclosures and the exposed thermal pad aids continuous USB-charging thermal dissipation up to 500 mA.
Рекомендуется
USB Dongles / Security Tokens
The PIC24FJ64GU202T-I/MV's tiny 28-pin UQFN (4x4 mm) footprint and integrated USB Full-Speed transceiver make it ideal for USB dongles, software license tokens, hardware security keys, and Wi-Fi/Bluetooth companions. With 64 KB Flash, designers can fit elliptic-curve cryptography libraries for FIDO2/WebAuthn security keys or full dongle firmware for wireless protocol bridging. The part's industrial temperature grade ensures operation across diverse consumer environments, and the XLP sleep with retention extends shelf life when dongles sit unused. On-chip pull-up resistors on D+ eliminate the external component common to discrete USB designs. The 8 KB RAM comfortably holds TLS handshakes and ECC key generation scratch buffers without external memory.
Рекомендуется
Industrial USB Sensor Interfaces
The PIC24FJ64GU202T-I/MV's industrial -40C to +85C operating range and ECC Flash make it appropriate for industrial USB sensor interfaces, factory automation gateways, and USB-to-Modbus bridges deployed near motors and drives. The 64 KB ECC Flash reduces soft-error rates caused by electrical noise from variable-frequency drives, while the configurable logic cells (CLC) and multiple CCP modules handle deterministic timing-critical tasks such as PWM generation or quadrature decoding without CPU intervention. The USB Device interface streams sensor data to a host PC or industrial gateway without external PHY chips. The UQFN-28 (MV, 4x4 mm) package fits inside M12 industrial connector enclosures where board space is at a premium, and the exposed thermal pad supports ground-plane stitching for improved EMI immunity in factory environments.
Рекомендуется
Сводка рекомендуемых товаров
Справочные инженерные данные для PIC24FJ64GU202T-I/MV — сравнение, рекомендации по проектированию и информация о соответствии.
Руководство по выбору
Сравнение с аналогами
| Параметр | Этот товар | PIC24FJ64GU202-I/MV | PIC24FJ64GU202-E/MV | PIC24FJ64GA702T-I/MV |
|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 28-pin UQFN (MV, 4x4 mm) | 28-pin UQFN (MV, 4x4 mm) | 28-pin UQFN (MV, 4x4 mm) | 28-pin UQFN (MV, 4x4 mm) |
| Flash Memory | 64 KB ECC | 64 KB ECC | 64 KB ECC | 64 KB (no USB peripheral) |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB |
| CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| USB Peripheral | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | USB 2.0 FS Host/Device/OTG | No USB peripheral |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) | -40C to +85C (Industrial) |
| Packaging | Tape & Reel | Tray | Tape & Reel | Tape & Reel |
Ключевые отличия
- Integrated Full-Speed USB 2.0 Host/Device/OTG in 28-pin UQFN (против PIC24FJ64GA702T-I/MV)
- Industrial temperature grade with ECC Flash in compact UQFN (против PIC24FJ64GU202-E/MV)
- Tape-and-reel packaging for SMT production (против PIC24FJ64GU202-I/MV)
Заметки по проектированию
The USB D+ and D- differential pair must be routed with 90-ohm differential impedance and matched length (within 150 mil / 4 mm) to comply with USB 2.0 Full-Speed electrical specifications. Per the Microchip PIC24FJ GP2/GU2 family datasheet, place the 27 ohm series termination resistors within 1 inch of the USB connector and add a common-mode choke for EMI suppression. The UQFN-28 (MV, 4x4 mm) exposed thermal pad must be soldered to a continuous ground plane to provide both thermal dissipation and an RF return path for the USB signals.
Estimated: at 32 MHz CPU, 3.3 V Vdd, and full USB activity, the PIC24FJ64GU202T-I/MV draws approximately 15-20 mA active. The on-chip LDO requires a 10 uF bulk capacitor plus 100 nF decoupling placed within 5 mm of each Vdd pin (pins 7 and 28). According to Microchip's power-supply design guide, VBias must be decoupled with at least 1 uF to keep the internal regulator stable during USB suspend/resume transitions. For battery-powered designs, use MCP1700 (LDO) or MCP1640 (boost) regulators for sub-uA quiescent current.
Do not confuse the PIC24FJ64GU202 with the PIC24FJ64GA702 in firmware: although both come in the same 28-pin UQFN (MV) package and share Flash/RAM, the GA702 has no USB peripheral and its D+/D- pins (25/26) are general-purpose I/O. Swapping them in a USB design will cause enumeration failure with no diagnostic output. Per Microchip's family datasheet, also verify the VBUS detection circuit - leaving VBUS floating can cause the USB controller to mis-detach during suspend. Always use Microchip's MPLAB X IDE with the Harmony 3 USB stack for verified enumeration.
The exposed thermal pad of the UQFN-28 (MV, 4x4 mm) package must be soldered to a grounded copper pour of at least 10x10 mm on the top layer, with thermal vias to the inner ground plane. According to the Microchip UQFN package guideline, missing this connection can increase junction temperature by 15-20 C at full USB load, risking thermal shutdown in enclosed industrial environments. Keep high-speed USB traces on the top layer and avoid routing them across the thermal pad to minimize stub discontinuities.
Информация о соответствии
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive applications use the automotive-grade PIC24FJ equivalent or AEC-Q100-qualified dsPIC33 family. Lead-free reflow profile per JEDEC J-STD-020.
