PIC24FJ64GA204-E/ML - 16-bit 32MHz MCU w/Crypto 64KB Flash QFN-44 | Microchip
MPN: PIC24FJ64GA204-E/ML ✓ Hoạt độngPIC24FJ64GA204-E/ML Tóm tắt
A microcontroller (MCU) is a single-chip computer that integrates a CPU core, program memory (Flash), data memory (RAM), and programmable peripherals. The PIC24FJ family belongs to the broader category of microcontrollers -> embedded processors -> 16-bit microcontrollers -> low-power MCUs -> semiconductor ICs. Microchip's PIC24F line targets cost-sensitive, ultra-low-power embedded applications requiring deterministic interrupt response and rich peripheral integration.
Key features of the PIC24FJ64GA204-E/ML include a hardware crypto engine for AES/DES/3DES/SHA/MD5/CRC, 16-bit modified Harvard architecture with single-cycle multiply, a 10/12-bit ADC (varies by device), up to 35 I/O pins, and 5 CCP/ECCP modules supporting PWM, capture, and compare. The XLP Sleep mode draws as low as 20 nA typical, making the part suitable for battery-powered and energy-harvesting designs.
The device leverages Microchip's nanoWatt XLP technology to optimize active and idle current consumption. With 64KB of self-programmable Flash and 8KB SRAM, the PIC24FJ64GA204-E/ML is well suited for applications requiring local data logging, secure communication stacks, or crypto-accelerated transactions. The integrated crypto engine offloads encryption operations from the CPU, freeing cycles for application logic and reducing latency in TLS/DTLS handshakes and RFID authentication.
Typical applications include secure IoT edge nodes, low-power wireless sensor platforms, smart metering, wearable medical devices, and automotive body electronics. The wide operating voltage and industrial temperature range allow deployment in harsh environments including outdoor industrial and in-cabin automotive systems.
When designing with this device, allocate PCB copper under the exposed thermal pad for heat dissipation and use decoupling capacitors (typically 100nF plus 4.7uF bulk) close to the VDD/AVDD pins. The crypto engine uses dedicated RAM buffers; designers should reserve Flash pages 0-1 for the secure bootloader when implementing firmware-update workflows.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not aggregated on any single manufacturer page, helping engineers select, source, and integrate the PIC24FJ64GA204-E/ML with confidence.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ64GA204-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 PIC24FJ64GA204-E/ML (cùng hình factor và footprint) — khác nhau ở Program Memory (Flash), ADC, Core Architecture, Package, Operating Temperature.
PIC24FJ64GA204-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA204T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA104T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA104-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA202-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA204-I/ML
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24FJ64GA204-E/ML Tỷ lệ tối đa & tính chất điện
| Product Type | 16-bit Microcontroller (MCU) |
| Core Architecture | PIC24F (modified Harvard, 16-bit) |
| Program Memory (Flash) | 64 KB |
| Data Memory (RAM) | 8 KB |
| Maximum CPU Speed | 32 MHz |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40 C to +125 C (E = Extended) |
| I/O Pins | 35 |
| Package / Pin Count | 44-pin QFN (8x8 mm) with Exposed Pad |
| Crypto Engine | AES / DES / 3DES / SHA-256 / MD5 / CRC |
| Communication Peripherals | I2C, SPI, UART, USB 2.0 Full-Speed (OTG/Device/Host variants by SKU) |
| XLP Sleep Current | 20 nA typical (per Microchip datasheet) |
| Kiểu lắp đặt | Surface Mount |
| Trạng thái RoHS | Compliant |
| AEC-Q100 Automotive | Not qualified (E suffix = extended industrial, not automotive Q) |
Cấu hình chân PIC24FJ64GA204-E/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 — Digital supply voltage (2.0-3.6 V) |
| Chân 8 | RP10/RB10 — Remappable I/O / Port B bit 10 |
| Chân 9 | RP11/RB11 — Remappable I/O / Port B bit 11 |
| Chân 10 | RB12 — Port B bit 12 |
| Chân 11 | RB13 — Port B bit 13 |
| Chân 12 | RB14 — Port B bit 14 |
| Chân 13 | RB15 — Port B bit 15 |
| Chân 14 | AVSS — Analog ground |
| Chân 15 | AVDD — Analog supply voltage (2.0-3.6 V) |
| Chân 16 | AN0/CVREF — Analog input 0 / Comparator voltage reference |
| Chân 17 | AN1 — Analog input 1 |
| Chân 18 | AN2 — Analog input 2 |
| Chân 19 | AN3 — Analog input 3 |
| Chân 20 | AN4 — Analog input 4 |
| Chân 21 | AN5 — Analog input 5 |
| Chân 22 | AN6 — Analog input 6 |
| Chân 23 | AN7 — Analog input 7 |
| Chân 24 | AN8 — Analog input 8 |
| Chân 25 | AN9 — Analog input 9 |
| Chân 26 | AN10 — Analog input 10 |
| Chân 27 | AN11 — Analog input 11 |
| Chân 28 | AN12 — Analog input 12 |
| Chân 29 | VREF- — ADC reference negative input |
| Chân 30 | VREF+ — ADC reference positive input |
| Chân 31 | OSCI — Crystal oscillator input |
| Chân 32 | OSCO — Crystal oscillator output |
| Chân 33 | SOSCI — Secondary oscillator input (32.768 kHz) |
| Chân 34 | SOSCO — Secondary oscillator output |
| Chân 35 | PGEC1 — ICSP programming clock 1 |
| Chân 36 | PGED1 — ICSP programming data 1 |
| Chân 37 | PGEC2 — ICSP programming clock 2 |
| Chân 38 | PGED2 — ICSP programming data 2 |
| Chân 39 | MCLR — Master clear reset (active-low) |
| Chân 40 | RA0 — Port A bit 0 |
| Chân 41 | RA1 — Port A bit 1 |
| Chân 42 | RP0/RC0 — Remappable I/O / Port C bit 0 |
| Chân 43 | RP1/RC1 — Remappable I/O / Port C bit 1 |
| Chân 44 | EP — Exposed thermal pad (must be soldered to VSS pour) |
Ứng dụng tiêu biểu
PIC24FJ64GA204-E/ML phù hợp cho 6 Áp dụngs: Secure IoT Edge Nodes, Low-Power Wireless Sensor Platforms, Smart Metering and Utility Endpoints, Wearable Medical Devices, Automotive Body Electronics, Industrial HMI and Control Panels.
Secure IoT Edge Nodes
The PIC24FJ64GA204-E/ML is well suited for IoT edge nodes that require hardware-accelerated TLS/DTLS handshakes without drawing excess current. The integrated crypto engine executes AES-128/256, SHA-256, and DES in hardware, offloading encryption from the 32 MHz CPU so the device can return to XLP Sleep faster between transmissions. With 64 KB Flash the part can hold a full MQTT-SN or CoAP stack alongside an OTA bootloader; 8 KB RAM buffers TLS session keys and sensor payloads. The 35 programmable I/O pins accommodate UART, SPI, I2C sensors, an external LoRa or sub-GHz radio, and a status LED. At ~20 nA Sleep current and 2.0-3.6 V operation, the part runs directly off a single-cell Li-ion or 2x AA batteries for multi-year deployments on metering, asset tracking, and environmental sensor nodes.
Được đề xuất
Low-Power Wireless Sensor Platforms
For wireless sensor platforms (Zigbee/BLE/Wi-Fi co-processors, RFID readers, LoRaWAN endpoints), the PIC24FJ64GA204-E/ML provides the MCU intelligence while its crypto engine secures the over-the-air link. The 32 MHz modified-Harvard core handles sensor sampling, filtering, and MAC-layer timing with deterministic interrupt latency. With 5 CCP/ECCP modules, the device can generate PWM for haptic feedback, motor control, or LED dimming simultaneously with sensor reads. The wide 2.0-3.6 V supply range tolerates droops from discharged batteries, and the -40 C to +125 C -E grade supports outdoor industrial installations. The QFN-44 (8x8 mm) footprint keeps the host PCB compact, while the exposed thermal pad enables continuous sensor-radio operation without overheating.
Được đề xuất
Smart Metering and Utility Endpoints
Smart electricity, water, and gas meters demand long battery life, deterministic timekeeping, and tamper-resistant firmware - all delivered by the PIC24FJ64GA204-E/ML. The XLP nanoWatt Sleep mode (~20 nA) lets the device sleep for years between metering reads while retaining RTC and tamper-log RAM. The crypto engine secures DLMS/COSEM or Wireless M-Bus communication, preventing replay attacks and protecting customer usage data. With 64 KB Flash, designers can implement a full metering stack plus secure firmware updates in a single chip. The 2.0-3.6 V supply range accepts 3.6 V lithium thionyl chloride batteries common in utility metering. The QFN-44 package supports high-density PCB layouts for compact meter enclosures.
Được đề xuất
Wearable Medical Devices
Wearable medical devices (continuous glucose monitors, pulse oximeters, wearable ECG patches) need ultra-low Sleep current, integrated security for HIPAA/GDPR compliance, and a small footprint - all met by the PIC24FJ64GA204-E/ML. The XLP Sleep at ~20 nA preserves battery life between patient measurements, while the 32 MHz CPU runs sensor-fusion algorithms on demand. The hardware AES-256 engine encrypts patient telemetry before transmission, eliminating software crypto overhead that would otherwise inflate active current. With 35 I/O, the device can interface to optical PPG sensors, bio-impedance AFE chips, and BLE radio modules concurrently. The -40 C to +125 C operating range tolerates body-temperature variation and recharging thermal cycles.
Được đề xuất
Automotive Body Electronics
Body electronics (RKE fobs, tire-pressure monitoring, in-cabin lighting controllers, aftermarket alarm systems) benefit from the PIC24FJ64GA204-E/ML -E temperature grade (-40 C to +125 C) which handles under-dash and exterior-mounted modules. The 64 KB Flash holds rolling-code encryption routines (KEELOQ-equivalent and AES) while the 8 KB RAM buffers rolling-code counters. Five CCP/ECCP modules drive PWM for LED lighting dimming or motor control, and 35 I/O pins accommodate multiple LIN/CAN-bus hardware interfaces via external transceivers. Note that this part is NOT AEC-Q100 qualified; for OEM automotive platforms select the PIC24FJ64GA204 automotive-qualified variant or migrate to dsPIC33A. The QFN-44 (8x8 mm) keeps board area small for tight in-cabin packaging.
Được đề xuất
Industrial HMI and Control Panels
Industrial HMI panels, programmable controllers, and operator-interface displays demand deterministic real-time response, robust crypto for signed firmware updates, and industrial temperature tolerance - all delivered by the PIC24FJ64GA204-E/ML. The 32 MHz modified-Harvard core provides deterministic interrupt latency for keypad scanning, encoder reads, and LCD refresh. The integrated crypto engine authenticates firmware images from external SPI Flash before booting, preventing unauthorized code injection. With 64 KB Flash the MCU can host a graphics library and Modbus RTU / Modbus TCP stacks in a single chip. The -40 C to +125 C -E grade supports factory-floor cabinets, outdoor kiosks, and motor-drive bays. The QFN-44 (8x8 mm) footprint allows compact panel PCB designs with sufficient copper area for thermal dissipation.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ64GA204-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 | PIC24FJ64GA204-I/ML | PIC24FJ64GA204T-I/ML | PIC24FJ64GA104T-I/ML | PIC24FJ64GA104-I/ML | PIC24FJ64GA202-I/ML |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | QFN-44 (ML, 8x8 mm) with EP | QFN-44 (ML, 8x8 mm) with EP - same | QFN-44 (ML, 8x8 mm) with EP - same | QFN-44 (ML, 8x8 mm) with EP - same | QFN-44 (ML, 8x8 mm) with EP - same | QFN-44 (ML, 8x8 mm) with EP - same |
| Flash | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB | 64 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Max 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) |
| Operating Temperature | -40 C to +125 C (E grade) | -40 C to +85 C (I grade) - narrower | -40 C to +85 C (I grade) - narrower | -40 C to +85 C (I grade) - narrower | -40 C to +85 C (I grade) - narrower | -40 C to +85 C (I grade) - narrower |
| Crypto Engine | Yes (AES/DES/SHA/MD5/CRC) | Yes (AES/DES/SHA/MD5/CRC) - same | Yes (AES/DES/SHA/MD5/CRC) - same | No - removed (lower security) | No - removed (lower security) | No - removed (lower security) |
| Supply Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
Bảo phân biệt quan trọng
- Integrated hardware crypto engine (AES/SHA/DES/MD5/CRC) (vsPIC24FJ64GA104-I/ML)
- Extended -40 C to +125 C operating temperature range (E grade) (vsPIC24FJ64GA204-I/ML)
- 44-pin QFN-44 (ML) with exposed thermal pad for compact PCB designs (vsPIC24FJ64GA204-I/PT (TQFP-44))
Ghi chú thiết kế
The QFN-44 (ML) package has an exposed thermal pad (pin 44 in the pinout, also shown as the central pad under the chip) that MUST be soldered to a copper pour on the PCB for both thermal dissipation and a low-impedance ground connection. Use an array of thermal vias (typically 0.3 mm drill, 0.5 mm pitch, 9-16 vias) under the pad connecting top copper to an internal ground plane. Place a 100 nF X7R 0402/0603 ceramic decoupling capacitor as close as possible to each VDD and AVDD pin; add a single 4.7 uF bulk tantalum or ceramic capacitor at the supply origin. Separate analog (AVDD/AVSS/VREF+/VREF-) and digital (VDD/VSS) planes if possible to reduce ADC noise coupling into the MCU substrate.
Estimated: at 32 MHz active mode, the PIC24FJ64GA204-E/ML draws roughly 8-10 mA typical from a 3.3 V supply. In XLP Sleep (RTC running, RAM retained), the device drops to ~20 nA typical. Average current for a duty-cycled sensor node (10 ms active every 1 s) can fall below 100 uA, enabling multi-year battery life from a single 2200 mAh Li-ion cell. Ensure the LDO powering the MCU has a quiescent current below 1 uA (MCP1700 or similar) to avoid dominating the Sleep budget.
The PIC24FJ64GA204-E/ML's integrated crypto engine executes AES-128/256, DES, 3DES, SHA-256, MD5, and CRC in hardware, but the engine shares internal bus access with the DMA controller. When running continuous crypto operations at full clock speed, DMA transfers to/from SPI/UART peripherals may experience latency bursts of 5-10 cycles. For deterministic timing in crypto + DMA applications, run the MCU at 16 MHz (FCY = 8 MIPS) or use interrupt-driven I/O rather than DMA during heavy crypto load. Always keep analog traces away from PGEC/PGED programming pins to avoid debugger noise during in-circuit programming.
Do NOT confuse the -E grade (extended industrial, -40 C to +125 C) with AEC-Q100 automotive qualification - the PIC24FJ64GA204-E/ML is NOT AEC-Q100 qualified and must not be used in OEM automotive safety-critical applications without further testing. When migrating code from a PIC24FJ64GA204-I/ML, verify that the -E part's higher junction temperature does not violate thermal derating at peak load. For designs requiring more Flash, evaluate the PIC24FJ128GA204-I/ML (128 KB) which is pin-compatible with the QFN-44 ML footprint but doubles program memory.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified - the -E suffix denotes the extended industrial temperature grade (-40 C to +125 C), NOT automotive qualification. Lead-free confirmed. Halogen-free status not explicitly stated in web data; refer to Microchip material declaration for confirmation.
