PIC24FJ64GA204-I/ML - 16-bit 32MHz 64KB Flash MCU | Microchip
MPN: PIC24FJ64GA204-I/ML ✓ Hoạt độngPIC24FJ64GA204-I/ML Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and a rich set of peripherals including timers, communication interfaces, and analog blocks. The PIC24F family sits in Microchip's 16-bit MCU hierarchy: PIC24F -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor. It targets applications needing more performance and memory than 8-bit PIC MCUs while retaining low power consumption and a moderate price point.
Key features include a 16 MIPS modified Harvard CPU core, 64KB self-programmable Flash, 8KB RAM, 13-channel 12-bit ADC, 6 PWM channels, 6 DMA channels, multiple UART/SPI/I2C interfaces, and a hardware crypto engine for AES/SHA operations. The integrated crypto accelerator offloads secure communication tasks from the CPU, enabling efficient TLS-style handshakes in IoT edge nodes.
Architecturally, the PIC24FJ64GA204 uses Microchip's nanoWatt XLP technology with multiple low-power modes (Sleep, Deep Sleep, Retention). The crypto engine is tightly coupled to the data bus and supports AES-128/192/256 and SHA-256 hashing, freeing CPU cycles for application code and reducing overall system power.
Typical applications include IoT sensor nodes, secure wireless endpoints, low-power wearables, smart meters, home automation controllers, and industrial HMI panels. The combination of low power, integrated crypto, and ample memory suits connected devices that must communicate securely over long battery life.
When designing with this part, plan a robust decoupling network (100nF + 10uF near VDD) and follow Microchip's PCB layout guidelines for the QFN exposed pad to ensure thermal performance and EMI compliance. Use the MPLAB X IDE with the XC16 compiler for firmware development, and leverage the PIC24F peripheral library to reduce time-to-market.
This page synthesizes distributor pricing, drop-in same-package alternatives from the PIC24FJ family, and practical design notes not found in the manufacturer datasheet alone.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ64GA204-I/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 PIC24FJ64GA204-I/ML (cùng hình factor và footprint) — khác nhau ở Program Memory (Flash), ADC, Core Architecture, Package, Communication Peripherals.
PIC24FJ64GA204-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA204-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA104-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GC004-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ64GA202-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
dsPIC33FJ64GP204-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ64GA204-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F 16-bit modified Harvard |
| Program Memory (Flash) | 64 KB (64K x 8) |
| Data RAM | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 2.0 V to 3.6 V |
| Hộp | 44-pin QFN (8x8 mm) with exposed pad |
| ADC | 13-channel, 12-bit |
| PWM Channels | 6 |
| DMA Channels | 6 |
| Communication Interfaces | UART, SPI, I2C (multiple instances) |
| Crypto Engine | AES-128/192/256, SHA-256 hardware accelerator |
| Low-Power Technology | eXtreme Low Power (XLP), nanoWatt |
| Nhiệt độ hoạt động | -40 C to +85 C (Industrial -I grade) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ64GA204-I/ML
| Chân 1 | RP5/RB5 — Remappable I/O / Port B bit 5 |
| Chân 2 | RP6/RB6 — Remappable I/O / Port B bit 6 |
| Chân 3 | RP7/RB7 — Remappable I/O / Port B bit 7 |
| Chân 4 | RP8/RB8 — Remappable I/O / Port B bit 8 |
| Chân 5 | RP9/RB9 — Remappable I/O / Port B bit 9 |
| Chân 6 | VSS — Ground reference |
| Chân 7 | VDD — Positive supply voltage (2.0V-3.6V) |
| Chân 8 | RP10/RB10 — Remappable I/O / Port B bit 10 |
| Chân 9 | RP11/RB11 — Remappable I/O / Port B bit 11 |
| Chân 10 | RP12/RB12 — Remappable I/O / Port B bit 12 |
| Chân 11 | RP13/RB13 — Remappable I/O / Port B bit 13 |
| Chân 12 | RP14/RB14 — Remappable I/O / Port B bit 14 |
| Chân 13 | RP15/RB15 — Remappable I/O / Port B bit 15 |
| Chân 14 | OSC1/CLKI/RA0 — Oscillator input / Port A bit 0 |
| Chân 15 | OSC2/CLKO/RA1 — Oscillator output / Port A bit 1 |
| Chân 16 | RA2 — Port A bit 2 |
| Chân 17 | RA3 — Port A bit 3 |
| Chân 18 | RA4 — Port A bit 4 |
| Chân 19 | RA5 — Port A bit 5 |
| Chân 20 | RA6 — Port A bit 6 |
| Chân 21 | RA7 — Port A bit 7 |
| Chân 22 | VSS — Ground reference |
| Chân 23 | VDD — Positive supply voltage (2.0V-3.6V) |
| Chân 24 | RB0 — Port B bit 0 / programming PGED1 |
| Chân 25 | RB1 — Port B bit 1 / programming PGEC1 |
| Chân 26 | RB2 — Port B bit 2 |
| Chân 27 | RB3 — Port B bit 3 |
| Chân 28 | RB4 — Port B bit 4 |
| Chân 29 | RC0 — Port C bit 0 |
| Chân 30 | RC1 — Port C bit 1 |
| Chân 31 | RC2 — Port C bit 2 |
| Chân 32 | RC3 — Port C bit 3 |
| Chân 33 | RC4 — Port C bit 4 |
| Chân 34 | RC5 — Port C bit 5 |
| Chân 35 | VSS — Ground reference |
| Chân 36 | VDD — Positive supply voltage (2.0V-3.6V) |
| Chân 37 | RC6 — Port C bit 6 |
| Chân 38 | RC7 — Port C bit 7 |
| Chân 39 | RC8 — Port C bit 8 |
| Chân 40 | RC9 — Port C bit 9 |
| Chân 41 | MCLR — Master Clear (reset) input, active-low |
| Chân 42 | RA8 — Port A bit 8 |
| Chân 43 | RA9 — Port A bit 9 |
| Chân 44 | EP — Exposed thermal pad (must be soldered to ground) |
Ứng dụng tiêu biểu
PIC24FJ64GA204-I/ML phù hợp cho 6 Áp dụngs: IoT Sensor Node, Secure Wireless Endpoint, Smart Meter / Energy Harvesting Node, Wearable Health Monitor, Home Automation Controller, Industrial HMI Panel.
IoT Sensor Node
The PIC24FJ64GA204-I/ML is well suited for battery-powered IoT sensor nodes thanks to its eXtreme Low Power (XLP) technology with sleep currents under 1 uA, 13-channel 12-bit ADC for multi-sensor acquisition, and 64 KB Flash for OTA-capable firmware images. With the hardware crypto engine accelerating AES-128 and SHA-256, the MCU can complete a TLS 1.2 handshake in milliseconds while keeping the CPU dormant most of the time. Its 2.0-3.6 V supply range supports direct Li-coin-cell or 2x AA battery operation without a boost converter, reducing BOM cost and quiescent drain. Designers typically pair it with a sub-GHz or BLE module via SPI/UART to form a complete IoT endpoint.
Được đề xuất
Secure Wireless Endpoint
The integrated hardware crypto engine on the PIC24FJ64GA204-I/ML accelerates AES-128/192/256 and SHA-256, enabling secure boot, encrypted OTA updates, and TLS-style handshakes without burdening the 16 MIPS CPU. With 8 KB RAM and 64 KB Flash, the device can host a full MQTT-SN or CoAP client plus an application layer. Operating from 2.0-3.6 V, it pairs naturally with 3.3 V radios such as the MRF24WG0MA or external SX127x LoRa modems. The QFN-44 (8x8 mm) footprint keeps the PCB compact for wearable or wall-mount form factors.
Được đề xuất
Smart Meter / Energy Harvesting Node
Energy-harvesting and battery-powered smart-meter designs leverage the PIC24FJ64GA204-I/ML's XLP nanoWatt technology to operate from harvested microampere-level currents, waking periodically to read sensors and transmit. The 12-bit ADC's 13 channels support simultaneous voltage, current, and temperature sensing required for Class 0.5 metering accuracy. The hardware crypto engine secures AMR (automated meter reading) transmissions against tampering. The 44-QFN exposed pad enables efficient thermal dissipation when the device runs continuously at higher duty cycles.
Được đề xuất
Wearable Health Monitor
Wearable health monitors benefit from the PIC24FJ64GA204-I/ML's low active current (~8 mA at 32 MHz) and sub-uA sleep modes, extending battery life for multi-day heart-rate, SpO2, and motion monitoring. Its 13-channel ADC can sample multiple biosensor outputs simultaneously, while 8 KB RAM buffers sensor data between BLE transmissions. The 44-QFN (8x8 mm) package is small enough for wristbands and patches. Hardware AES/SHA acceleration secures BLE pairing and health-data transmission per GDPR/HIPAA requirements.
Được đề xuất
Home Automation Controller
Home automation hubs and edge controllers use the PIC24FJ64GA204-I/ML to aggregate sensor data, run local automation rules, and bridge to cloud services over Wi-Fi or sub-GHz radios. The 16 MIPS CPU comfortably handles Zigbee/Z-Wave/BLE protocol interleaving, while the hardware crypto engine secures over-the-air firmware updates and cloud API tokens. With 6 PWM channels and 13 ADC channels, the MCU can directly drive LED dimmers, fan controls, and read analog sensors without external circuitry. The 2.0-3.6 V range simplifies USB-powered designs.
Được đề xuất
Industrial HMI Panel
Industrial human-machine interface (HMI) panels use the PIC24FJ64GA204-I/ML as a low-power display controller and keypad scanner for operator interfaces. Its 6 PWM channels drive LCD backlights and status LEDs with hardware dimming, while the 13-channel ADC reads analog sensor inputs and potentiometers for parameter entry. The hardware crypto engine protects configuration data and authentication tokens against tampering. The -40 C to +85 C industrial temperature range covers factory-floor environments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ64GA204-I/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 | PIC24FJ64GA204-E/ML | PIC24FJ128GA204-I/ML | PIC24FJ64GA104-I/ML | PIC24FJ64GC004-I/ML | PIC24FJ64GA202-I/ML |
|---|---|---|---|---|---|---|
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same | 44-QFN (8x8 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 64 KB | 64 KB | 128 KB | 64 KB | 64 KB | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| 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 |
| Hardware Crypto Engine | Yes (AES-128/192/256, SHA-256) | Yes (AES, SHA) | Yes (AES, SHA) | No | No (USB instead) | No |
| ADC Channels | 13 ch, 12-bit | 13 ch, 12-bit | 13 ch, 12-bit | 13 ch, 12-bit | 13 ch, 12-bit | 10 ch, 12-bit |
| Operating Temperature | -40 C to +85 C (I grade) | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) | -40 C to +85 C (I grade) |
Bảo phân biệt quan trọng
- Integrated hardware crypto engine for AES/SHA acceleration (vsPIC24FJ64GA104-I/ML)
- Memory headroom for OTA-capable firmware (vsPIC24FJ64GA202-I/ML)
- QFN package with exposed thermal pad (vsPIC24FJ64GA204-I/PT)
Ghi chú thiết kế
Place a 100nF X7R ceramic decoupling capacitor as close as possible to every VDD/VDDcore pin pair (pins 7, 23, 36) and a single 10uF X5R bulk capacitor near the supply entry point. The PIC24FJ64GA204-I/ML draws short current spikes during Flash writes and crypto operations; inadequate decoupling will cause VDD droops that trigger brown-out resets. Use a star-ground topology tying the QFN exposed pad (EP) to the ground plane via at least 5 thermal vias for stable reference and thermal dissipation.
Solder the QFN exposed pad (pin 44 / EP) to a grounded copper pour of at least 25 mm x 25 mm on the top layer, with an array of 0.3 mm thermal vias (5x5 minimum, 0.5 mm pitch) connecting to inner ground planes. Although the PIC24FJ64GA204-I/ML consumes only tens of milliwatts in typical operation, the exposed pad improves mechanical reliability under thermal cycling and provides a low-impedance ground return for high-speed digital signals.
Estimated: Active-mode current at 32 MHz is approximately 8 mA (typical 2.5 mA/MIPS); sleep current can drop below 1 uA with XLP Sleep mode. Do NOT leave unused pins floating - configure them as digital outputs or inputs with the internal weak pull-up enabled, per Microchip datasheet recommendations. Floating pins can draw several microamps each and may oscillate, injecting noise into adjacent analog inputs on the 12-bit ADC. Use the Configuration bits to enable the appropriate WDT, BOR, and oscillator startup settings before code execution begins.
Route the ICSP programming pair (PGECx/PGEDx) as a matched pair with no stubs and at least 0.2 mm clearance from adjacent signals to ensure reliable in-circuit programming. If using the internal 8 MHz FRC with PLL, the resulting 32 MHz system clock produces 16 MHz harmonics that can couple into the ADC analog inputs; place an analog ground island around the ADC pins (RA0-RA3 typically) and join it to the digital ground only at a single point near the MCU ground pin. Add a ferrite bead on AVDD if ADC SNR is below expectation.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Industrial -40C to +85C temperature grade (I); choose E-grade for extended -40C to +125C. AEC-Q100 qualification not available for this part number; for automotive applications consult Microchip automotive-grade PIC24F portfolio.
