PIC24FJ64GU202-E/ML - 16-bit MCU, 64KB Flash, USB OTG, 28-QFN | Microchip
MPN: PIC24FJ64GU202-E/ML ✓ Hoạt độngPIC24FJ64GU202-E/ML Tóm tắt
A PIC24F microcontroller is a 16-bit Harvard-architecture MCU in the broader PIC microcontroller family, sitting within Microchip's ultra-low-power 16-bit segment. It executes 16 MIPS at 32 MHz, balances code density with deterministic interrupt handling, and occupies the middle tier between 8-bit PIC MCUs and 32-bit ARM Cortex-M parts in the embedded hierarchy (PIC24F -> PIC24 family -> PIC microcontrollers -> microcontroller -> semiconductor). PIC24FJ GP2/GU2 devices integrate Core Independent Peripherals (CIPs) that execute hardware-state-machine tasks without CPU load, enabling responsive USB and sensor interfaces on a low-power platform.
Key features include 64KB ECC Flash (22K x 24), 8KB RAM, Full-Speed USB 2.0 OTG, sleep currents in the hundreds of nanoamps while retaining SRAM, up to 16 MIPS performance, and 23 capacitive-touch-friendly I/O pins. The device also integrates multiple communication peripherals (I2C, SPI, UART, PMP, IrDA, LIN), 12-bit A/D with CTMU for mTouch capacitive sensing, RTCC with calendar, and hardware AES/DES crypto engines.
The architecture pairs a 16-bit modified Harvard CPU with a tightly-coupled DMA controller, dual-watchdog and 5-stage pipeline, providing deterministic response for USB and motor-control loops. ECC on Flash reduces soft-error risk in industrial environments, while the dedicated USB OTG PHY eliminates the need for an external transceiver. Independent CIP blocks - 16-bit timers, Input Capture, Output Compare, and the CLC - allow concurrent analog and digital state-machine logic.
Typical applications include USB human-interface devices (HID), wearable health sensors, low-power IoT nodes, industrial data loggers, and capacitive-touch user interfaces. The wide -40C to +125C operating range also makes the device suitable for automotive-grade adjacent applications where USB connectivity and extreme low standby power are simultaneously required.
When designing with this part, ensure VUSB 3.3V rail decoupling is adequate (typically 4.7uF plus 0.1uF) to support Full-Speed USB signaling, and respect the 28-QFN exposed-pad (EP) requirement to solder the thermal pad to a grounded copper pour for both thermal relief and signal-ground reference.
This page synthesizes Microchip product-page specifications, distributor pricing, drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet, providing engineers a single reference for source selection.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ64GU202-E/ML — cùng gói, chân-to-chân tương thích. Các bộ phận yêu cầu hàn PCB bị loại trừ.
Các biến thể trong loạt này
Các mẫu cùng loạt có thể lắp đặt dễ dàng tương thích với PIC24FJ64GU202-E/ML (cùng hình factor và footprint) — khác nhau ở Package, ADC, Core Architecture, Timers, Operating Temperature.
PIC24FJ64GU202-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GU202-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GU202-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GU202T-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GB202-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GU202-E/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F 16-bit Harvard |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Program Memory (Flash) | 64 KB (22K x 24) with ECC |
| Data Memory (RAM) | 8 KB |
| USB Interface | USB 2.0 Full-Speed Host/Device/OTG |
| Operating Voltage (VDD) | 2.0 V to 3.6 V |
| I/O Pins | 23 |
| ADC | 12-bit, up to 16 channels |
| Timers | 16-bit, multiple |
| Communication Peripherals | I2C, SPI, UART/USART, PMP, IrDA, LIN |
| Nhiệt độ hoạt động | -40C to +125C (E-temp) |
| Sleep Current (Retention) | Hundreds of nA (per datasheet) |
| Hộp | 28-QFN (6x6 mm) |
| Kiểu lắp đặt | Surface Mount |
Cấu hình chân PIC24FJ64GU202-E/ML
| Chân 1 | RA0 — I/O port A bit 0 |
| Chân 2 | RA1 — I/O port A bit 1 |
| Chân 3 | RA2 — I/O port A bit 2 |
| Chân 4 | RA3 — I/O port A bit 3 |
| Chân 5 | VDD — Positive supply |
| Chân 6 | VSS — Ground |
| Chân 7 | OSCI — Crystal oscillator input |
| Chân 8 | OSCO — Crystal oscillator output |
| Chân 9 | RA4 — I/O port A bit 4 |
| Chân 10 | RA5 — I/O port A bit 5 |
| Chân 11 | RB0 — I/O port B bit 0 |
| Chân 12 | RB1 — I/O port B bit 1 |
| Chân 13 | RB2 — I/O port B bit 2 |
| Chân 14 | RB3 — I/O port B bit 3 |
| Chân 15 | VBUS — USB VBUS sense |
| Chân 16 | D- — USB D- data line |
| Chân 17 | D+ — USB D+ data line |
| Chân 18 | VUSB — USB 3.3V supply (from internal regulator) |
| Chân 19 | RC0 — I/O port C bit 0 |
| Chân 20 | RC1 — I/O port C bit 1 |
| Chân 21 | RC2 — I/O port C bit 2 |
| Chân 22 | RC3 — I/O port C bit 3 |
| Chân 23 | RC4 — I/O port C bit 4 |
| Chân 24 | RC5 — I/O port C bit 5 |
| Chân 25 | RC6 — I/O port C bit 6 |
| Chân 26 | RC7 — I/O port C bit 7 |
| Chân 27 | VDD — Positive supply |
| Chân 28 | VSS — Ground |
Ứng dụng tiêu biểu
PIC24FJ64GU202-E/ML phù hợp cho 6 Áp dụngs: USB Human-Interface Devices (HID), Wearable Health Monitors, Capacitive-Touch User Interfaces, Industrial USB Data Loggers, Low-Power IoT Sensor Nodes, USB Barcode Scanners / POS Peripherals.
USB Human-Interface Devices (HID)
The PIC24FJ64GU202's integrated Full-Speed USB 2.0 OTG PHY with on-chip transceiver makes it an ideal microcontroller for USB HID peripherals such as keyboards, mice, game controllers, and custom input devices. The 16 MIPS CPU from 32 MHz executes USB HID class drivers efficiently, while 8 KB RAM supports HID report buffers and dual-endpoint configurations. Compared with discrete USB solutions that require an external PHY, the integrated transceiver reduces BOM cost and frees PCB area. The device's Core Independent Peripherals handle USB traffic with minimal CPU intervention, leaving performance headroom for scan-matrix processing, LED control, and debounce routines.
Được đề xuất
Wearable Health Monitors
With XLP sleep current in the hundreds of nanoamps while retaining SRAM, the PIC24FJ64GU202 extends coin-cell battery life in wearable health monitors. The 12-bit ADC with CTMU supports photoplethysmography (PPG) sensor front-ends, while 8 KB RAM holds rolling bio-signal buffers without off-chip memory. USB OTG enables direct charging and tethered data transfer via standard cables, eliminating proprietary cradles. The 28-QFN (6x6 mm) footprint is small enough for wrist-strap PCBs, and the E-temp rating ensures continuous operation in cold-weather outdoor use. Recommended companion parts include external nanopower op-amps and a low-dropout regulator.
Được đề xuất
Capacitive-Touch User Interfaces
The PIC24FJ64GU202 integrates a CTMU and 12-bit ADC supporting mTouch capacitive-touch sensing with up to 23 sensor channels, well suited for sealed-key keypads, slider controls, and proximity-sensing user interfaces. The CIP-based timer and PWM blocks drive LED feedback rings without CPU load, while 64 KB Flash accommodates rich touch libraries and gesture recognition firmware. The integrated USB OTG enables touch-panel data export over USB without an external PHY, reducing BOM. Industrial-grade E-temp operation ensures reliable touch response across outdoor and automotive-adjacent temperatures.
Được đề xuất
Industrial USB Data Loggers
For industrial data loggers that require USB stick mass-storage support or tethered PC upload, the PIC24FJ64GU202 delivers Full-Speed USB Host mode with on-chip transceiver, 64 KB ECC Flash for FAT12/16 file-system libraries, and 8 KB RAM for sector buffers. ECC Flash ensures log integrity against soft errors during long unattended deployments, while the -40C to +125C E-temp rating supports factory-floor and outdoor enclosures. The PIC24F 16-bit core executes real-time-clock timestamps via the integrated RTCC, enabling accurate time-stamped logging. Recommended peripherals include external SPI Flash for non-volatile log storage.
Được đề xuất
Low-Power IoT Sensor Nodes
Battery-powered IoT sensor nodes benefit from the PIC24FJ64GU202's XLP sleep currents in the hundreds of nanoamps while retaining SRAM, enabling years of standby on a single primary cell. The 12-bit ADC and CTMU support analog sensor interfaces (temperature, humidity, gas), and CIP blocks handle sensor timing without waking the CPU. Integrated USB OTG simplifies commissioning and firmware updates via direct USB connection - no separate programmer required. Recommended companion devices include a sub-GHz or BLE module for wireless connectivity and a low-Iq sensor.
Được đề xuất
USB Barcode Scanners / POS Peripherals
The PIC24FJ64GU202's Full-Speed USB OTG and 16 MIPS performance suit point-of-sale USB peripherals such as handheld barcode scanners, receipt printers, and customer displays. Hardware USB endpoint support enables HID-keyboard or CDC-virtual-COM modes without external PHY, reducing BOM cost. 64 KB Flash accommodates scanner decoder libraries, and 8 KB RAM buffers scanned bursts. The 28-QFN package fits compact scanner handles, and the E-temp grade ensures operation in cold storage and outdoor retail environments. Recommended companions include a 1D/2D imager sensor and a piezo buzzer driver.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ64GU202-E/ML — so sánh, hướng dẫn thiết kế và thông tin tuân thủ.
Hướng dẫn chọn lựa
So sánh với các sản phẩm thay thế
| Tham số | Sản phẩm này | PIC24FJ64GU202-I/ML | PIC24FJ32GU202-I/ML | PIC24FJ32GU202-E/ML | PIC24FJ32GU202T-I/ML |
|---|---|---|---|---|---|
| Package | 28-QFN (6x6 mm) | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same | 28-QFN (6x6 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 64 KB ECC | 64 KB ECC | 32 KB | 32 KB | 32 KB |
| RAM | 8 KB | 8 KB | 4 KB | 4 KB | 4 KB |
| USB OTG | Yes (FS Host/Device/OTG) | Yes | Yes | Yes | Yes |
| Maximum CPU Speed | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Operating Temperature | -40C to +125C (E-temp) | -40C to +85C (I-temp) | -40C to +85C (I-temp) | -40C to +125C (E-temp) | -40C to +85C (I-temp) |
| RoHS Status | Compliant | Compliant | Compliant | Compliant | Compliant |
Bảo phân biệt quan trọng
- Integrated Full-Speed USB OTG PHY with on-chip transceiver (vsPIC24FJ64GB002-I/SS)
- Extended -40C to +125C E-temp grade in 28-QFN (vsPIC24FJ64GU202-I/ML)
- ECC Flash at 64 KB density in 28-QFN (vsPIC24FJ32GU202-E/ML)
Ghi chú thiết kế
The PIC24FJ64GU202 integrates a USB 3.3V regulator that derives VUSB from VDD; for self-powered designs, ensure VDD is within 2.0-3.6 V. Place a 4.7uF X7R plus a 0.1uF ceramic bypass capacitor close to the VUSB pin to meet Full-Speed USB signaling edge requirements. For USB Host mode, an external 5V source must drive VBUS; the internal 3.3V regulator is not used for VBUS current.
The 28-QFN package has an exposed thermal pad (EP) on pin 29 (bottom) that MUST be soldered to a grounded copper pour. The EP provides the primary heat-dissipation path and a low-inductance ground reference. For QFN PCBs, use a 4x4 thermal via array (0.3 mm drilled, 0.6 mm pad) under the EP tied to the inner ground plane to meet datasheet theta_JA performance.
Route the USB D+ and D- traces as a 90-ohm differential pair, matched within 150 mils, with no splits in the reference ground plane underneath. Place the USB connector's shield-to-chassis ground connection through a ferrite bead or capacitor-resistor network (per USB 2.0 compliance) to avoid EMI loops. Decouple each VDD pin with its own 0.1uF X7R capacitor placed within 3 mm of the pin.
Do NOT configure both the on-chip USB regulator and an external 3.3V LDO for VUSB simultaneously - this causes voltage contention. For battery-only designs without USB host, configure the USB module to disabled state and route VUSB to VDD directly. Also ensure the MCLR pin has a proper pull-up (typically 10k ohm) for reliable reset; floating MCLR is a common cause of intermittent boot failures.
Thông tin tuân thủ
RoHS and lead-free compliance per Microchip product page. Not AEC-Q100 qualified - for AEC-Q100 automotive applications select PIC24FJ64GU205 family AEC-Q100 variants or consult Microchip automotive MCU catalog.
