PIC24FJ128GA204-I/PT - 16-Bit 32MHz 128KB Flash MCU | Microchip
MPN: PIC24FJ128GA204-I/PT ✓ Hoạt độngPIC24FJ128GA204-I/PT Tóm tắt
A microcontroller (MCU) is a single-chip computer containing a CPU core, program memory, data memory, and integrated peripherals such as timers, communication interfaces, and analog blocks. The PIC24F family uses a RISC-based Harvard CPU running 16-bit instructions at up to 16 MIPS, positioned within Microchip's hierarchy between the 8-bit PIC16/PIC18 and the higher-end dsPIC33/PIC32 lines. The 'FJ' sub-family integrates cryptographic hardware, ISO 7816 smart-card interface support, and I2S audio peripherals, distinguishing it from general-purpose PIC24F members.
Key features of the PIC24FJ128GA204 include hardware crypto engines (AES, DES, 3DES, SHA, MD5, HMAC), 16-channel 10-bit ADC, multiple communication peripherals (I2C, SPI, UART, I2S), and Direct Memory Access (DMA) for autonomous peripheral data movement. The XLP technology enables nanoWatt sleep currents suitable for battery-powered applications. With 128KB self-programmable Flash and 8KB SRAM, it offers substantial headroom for embedded security, sensing, and connectivity firmware stacks.
Typical applications include smart-card and payment terminals, secure IoT sensor nodes, low-power wireless sensor hubs, battery-powered medical wearables, and industrial HMI panels. The integrated crypto engine and ISO 7816 support specifically target electronic payment and identification systems requiring on-chip hardware acceleration. Compared to external crypto ICs, the integrated engine reduces BOM cost and PCB footprint.
When designing with this device, ensure the supply voltage stays within the supported range and that decoupling capacitors are placed close to the VDD/VSS pins. For low-power designs, leverage the deep-sleep and Sleep modes with peripheral wake-up sources. The crypto engine requires firmware-level configuration per the family reference manual; consult the datasheet for register-level initialization sequences.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ128GA204-I/PT — 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 PIC24FJ128GA204-I/PT (cùng hình factor và footprint) — khác nhau ở Core Architecture, Maximum CPU Speed, Package, Program Memory (Flash), DMA Channels.
PIC24FJ128GA204T-I/PT
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| Core | PIC24F 16-bit RISC |
| Architecture | PIC24F (Modified Harvard) |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage | 2.0 V to 3.6 V |
| Cryptographic Engine | AES, DES, 3DES, SHA-1, SHA-256, MD5, HMAC |
| ISO 7816 Support | Yes |
| I2S Support | Yes |
| ADC | 10-bit, 16-channel |
| DMA Channels | Yes (Direct Memory Access) |
| Communication Peripherals | I2C, SPI, UART, I2S |
| Hộp | 44-pin TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| XLP Technology | eXtreme Low Power |
| Trạng thái RoHS | Compliant |
| Cấp MSL | 3 (168 hours) |
Cấu hình chân PIC24FJ128GA204-I/PT
| Chân 1 | RP1 — Remappable peripheral pin |
| Chân 2 | RP0 — Remappable peripheral pin |
| Chân 3 | VDD — Positive supply voltage |
| Chân 4 | VSS — Ground reference |
| Chân 5 | OSCI — Oscillator crystal input |
| Chân 6 | OSCO — Oscillator crystal output |
| Chân 7 | PGEC1 — ICSP clock / ICD pin 1 |
| Chân 8 | PGED1 — ICSP data / ICD pin 1 |
| Chân 9 | MCLR — Master clear reset (active low) |
| Chân 10 | RA0 — PORTA bit 0 / analog input |
| Chân 11 | RA1 — PORTA bit 1 / analog input |
| Chân 12 | RA2 — PORTA bit 2 / analog input |
| Chân 13 | RA3 — PORTA bit 3 / analog input |
| Chân 14 | VDD — Positive supply voltage |
| Chân 15 | VSS — Ground reference |
| Chân 16 | RA4 — PORTA bit 4 |
| Chân 17 | RA5 — PORTA bit 5 |
| Chân 18 | RA6 — PORTA bit 6 |
| Chân 19 | RA7 — PORTA bit 7 |
| Chân 20 | RB0 — PORTB bit 0 |
| Chân 21 | RB1 — PORTB bit 1 |
| Chân 22 | RB2 — PORTB bit 2 |
| Chân 23 | RB3 — PORTB bit 3 |
| Chân 24 | RB4 — PORTB bit 4 |
| Chân 25 | RB5 — PORTB bit 5 |
| Chân 26 | RB6 — PORTB bit 6 |
| Chân 27 | RB7 — PORTB bit 7 |
| Chân 28 | RC0 — PORTC bit 0 |
| Chân 29 | RC1 — PORTC bit 1 |
| Chân 30 | RC2 — PORTC bit 2 |
| Chân 31 | RC3 — PORTC bit 3 |
| Chân 32 | RC4 — PORTC bit 4 |
| Chân 33 | RC5 — PORTC bit 5 |
| Chân 34 | RC6 — PORTC bit 6 |
| Chân 35 | RC7 — PORTC bit 7 |
| Chân 36 | RD0 — PORTD bit 0 |
| Chân 37 | RD1 — PORTD bit 1 |
| Chân 38 | RD2 — PORTD bit 2 |
| Chân 39 | RD3 — PORTD bit 3 |
| Chân 40 | RD4 — PORTD bit 4 |
| Chân 41 | RD5 — PORTD bit 5 |
| Chân 42 | VSS — Ground reference |
| Chân 43 | VDD — Positive supply voltage |
| Chân 44 | RD6 — PORTD bit 6 |
Ứng dụng tiêu biểu
PIC24FJ128GA204-I/PT phù hợp cho 7 Áp dụngs: Smart Card Payment Terminals, Battery-Powered IoT Sensor Hubs, Secure Wearable Health Devices, Industrial Secure HMI Panels, Electronic Identification and Access Control, Low-Power Wireless Sensor Hubs, Audio Processing with I2S.
Smart Card Payment Terminals
The PIC24FJ128GA204-I/PT fits smart-card payment terminals because its integrated hardware cryptographic engine accelerates AES-256 and SHA-256 transactions in milliseconds while ISO 7816 interface directly connects to smart-card contacts. The 16 MIPS performance sustains EMV-level transaction stacks, and the 128KB Flash accommodates full POS firmware with room for over-the-air updates. XLP technology enables battery-backed terminal designs that survive outages. Place the MCU between the card reader and the secure keypad with hardware crypto offload, achieving lower BOM cost versus external secure-element designs.
Được đề xuất
Battery-Powered IoT Sensor Hubs
The PIC24FJ128GA204-I/PT suits battery-powered IoT sensor hubs because XLP nanoWatt sleep currents extend coin-cell life beyond 5 years. Its DMA controller offloads ADC capture and crypto data movement without waking the CPU, while the 10-bit ADC reads up to 16 sensor channels. 128KB Flash holds Zigbee or LoRaWAN MAC stacks alongside application code. Compared to always-on MCUs, the GA204 cuts average current 10-100x in duty-cycled sensing applications.
Được đề xuất
Secure Wearable Health Devices
The PIC24FJ128GA204-I/PT fits wearable health devices because its hardware SHA-256 engine protects patient data at rest and during BLE pairing, while XLP sleep modes support week-long battery life on small Li-ion cells. The I2S peripheral connects to digital MEMS microphones for stethoscope or pulse-oximetry features, and the 10-bit ADC reads photodiode SpO2 sensors. The industrial -40C to +85C range handles body-temperature extremes. With 128KB Flash, firmware can include ML inference for arrhythmia detection alongside BLE stacks.
Được đề xuất
Industrial Secure HMI Panels
The PIC24FJ128GA204-I/PT suits industrial HMI panels because its 32MHz 16-MIPS performance drives TFT displays via parallel master port while hardware crypto authenticates firmware updates. The integrated DMA frees CPU cycles for touch-screen gesture processing, and the industrial -40C to +85C range survives factory-floor temperatures. The 44-pin TQFP exposes sufficient I/O for keypad matrix, display backlight PWM, and RS-485 fieldbus. Compared to MCUs without crypto, the GA204 prevents firmware cloning in field-deployed machines.
Được đề xuất
Electronic Identification and Access Control
The PIC24FJ128GA204-I/PT fits electronic ID and access-control readers because its ISO 7816 peripheral directly interfaces with contact smart cards while AES-256 and SHA-256 hardware engines authenticate credentials in microseconds. The 8KB RAM supports secure transaction buffers, and the 128KB Flash stores credential databases and firmware. The wide 2.0V-3.6V range enables 3.3V or 3V battery-powered door readers. Compared to software crypto on generic MCUs, the GA204 verifies credentials 50-100x faster, reducing card-read latency.
Được đề xuất
Low-Power Wireless Sensor Hubs
The PIC24FJ128GA204-I/PT fits low-power wireless hubs because its XLP technology and DMA offload enable years-long battery life while its multiple UART/SPI/I2C peripherals connect to sub-GHz radio modules like LoRa or proprietary ISM-band transceivers. The 32MHz core processes sensor-fusion algorithms at low latency, and 128KB Flash fits MAC-layer protocol stacks. The integrated AES engine secures over-the-air links, eliminating external crypto ICs. Compared to higher-MIPS Cortex-M parts, the GA204 trades raw speed for dramatically lower sleep current.
Được đề xuất
Audio Processing with I2S
The PIC24FJ128GA204-I/PT handles audio processing because its dedicated I2S peripheral connects directly to digital microphones and audio DACs, while DMA streams samples without CPU intervention. The 32MHz core runs MP3 or AAC decode at modest bitrates, and 128KB Flash stores audio clip libraries. XLP sleep between audio events extends battery life in portable audio accessories. Compared to MCUs without I2S, the GA204 avoids bit-banging, freeing CPU cycles for user-interface logic.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ128GA204-I/PT — 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 | PIC24FJ128GA204T-I/PT | PIC24FJ128GA204-I/ML |
|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-pin TQFP (10x10mm) | 44-pin TQFP (10x10mm) - same | 44-pin QFN (8x8mm) - DIFFERENT |
| Flash Memory | 128 KB | 128 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB |
| Max CPU Speed | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS | 32 MHz / 16 MIPS |
| Cryptographic Engine | Yes (AES/DES/SHA) | Yes (AES/DES/SHA) | Yes (AES/DES/SHA) |
| Operating Voltage | 2.0 V to 3.6 V | 2.0 V to 3.6 V | 2.0 V to 3.6 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
Bảo phân biệt quan trọng
- Integrated hardware cryptographic engine (vsPIC24FJ128DA106-I/PT)
- ISO 7816 smart-card interface (vsPIC24FJ128GA006-I/PT)
- XLP nanoWatt sleep technology (vsPIC24EP64MC204-I/PT)
Ghi chú thiết kế
Place 100nF decoupling capacitors as close as possible to each VDD pin, with a bulk 4.7uF-10uF tantalum or ceramic at the regulator output. For battery-powered designs, leverage the XLP sleep modes (down to nanoWatt-level current) and use peripheral wake-up sources to keep the CPU in Sleep the majority of the time. Estimate: at 32MHz active current is roughly 8-12 mA; in Deep Sleep with RTC running it drops below 1 uA, enabling 5+ year coin-cell life in duty-cycled applications.
Route the ICSP signals (PGEC1/PGED1) to a dedicated 6-pin header or test pad for in-circuit debugging and field firmware updates. Keep the MCLR pull-up resistor (typically 10k) close to the pin with a short trace to prevent inadvertent resets from EMI. The 44-pin TQFP has a 0.8mm pitch - use 0.4mm-wide traces between pads with a ground plane underneath to maintain signal integrity on high-speed SPI and UART lines.
Do not exceed the absolute maximum VDD of 4.0V; sustained operation above 3.6V can damage Flash and crypto peripherals. When using the hardware crypto engine, ensure the source data is in RAM before triggering encryption, since the engine cannot fetch directly from Flash in some modes. Per the Microchip datasheet, verify the configuration bits are programmed correctly (especially oscillator, watchdog, and code-protect settings) before locking the device for production.
Thông tin tuân thủ
RoHS and lead-free compliant per Microchip product page; AEC-Q100 not applicable (consumer/industrial MCU, not automotive-qualified).