PIC24FJ128GA204-I/ML - 16-bit 32MHz 128KB Flash MCU w/ Crypto | Microchip
MPN: PIC24FJ128GA204-I/ML ✓ Hoạt độngPIC24FJ128GA204-I/ML Tóm tắt
What is a 16-bit microcontroller? 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 such as timers, ADCs, communication ports, and DMA engines. The PIC24F sits in the mid-performance tier of the PIC® family, between 8-bit PIC16/PIC18 parts and 32-bit PIC32 parts, and is a member of the broader category of power management and embedded control semiconductors. The "XLP" (eXtreme Low Power) designation means the device is engineered for sub-µA sleep currents and battery-friendly operation, differentiating it from standard PIC24F parts in sleep-mode figures.
Key features include 128 KB self-programmable Flash, 8 KB SRAM, 16 MIPS throughput at 32 MHz, hardware AES/DES/SHA cryptographic engines, ISO 7816-3 smart-card interface, I²S audio codec interface, dual UART/SPI/I²C ports, a 12-bit 16-channel ADC, and 5 PWM/OC outputs. The 44-pin QFN (8×8 mm) package exposes 35+ I/O pins, an integrated DMA with 8 independent channels, and a 16-bit parallel master port for external memory expansion.
At the architecture level, the PIC24FJ128GA204 uses a modified Harvard architecture with a 16-bit data path, 24-bit instruction word, and a hardware multiplier for DSP-class operations. The hardware crypto engine is the standout IP block: it executes AES-128/192/256, DES/3DES, and SHA-1/MD5 hash functions in hardware, offloading the CPU and enabling secure transactions without software bit-banging - critical for EMV contactless payment terminals, secure key storage, and firmware-signing verification.
Typical applications include EMV smart-card readers and contactless payment terminals, secure access control and identity modules, low-power IoT sensor hubs with on-device encryption, portable medical devices requiring AES-encrypted patient logs, and audio front-ends with I²S codec interfacing. The XLP sleep currents below 1 µA also make it well-suited to battery-powered smart-card peripherals.
When designing with this device, allocate a sufficient decoupling voltage (>1.4 Vdd) and respect the maximum I/O source/sink current limits of 15 mA per pin and 200 mA per VDD/VSS pair. The crypto engine, DMA, and PMP must be initialized in the correct order to avoid spurious interrupts.
This page synthesizes Microchip pricing tiers, XLP-specific drop-in alternatives across the PIC24FJ128GA family, and practical hardware-crypto integration guidance not collected in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ128GA204-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 PIC24FJ128GA204-I/ML (cùng hình factor và footprint) — khác nhau ở Package, Program Memory (Flash), Core Architecture, ADC, Operating Temperature.
PIC24FJ128GA204T-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA204-E/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA204-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA204-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA204-I/ML Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC24F (16-bit modified Harvard) |
| Family | PIC® XLP™ 24F with Crypto Engine |
| Program Memory (Flash) | 128 KB (43K × 24 instructions) |
| Data Memory (RAM) | 8 KB |
| Maximum CPU Speed | 32 MHz (16 MIPS) |
| Operating Voltage Range | 2.0 V to 3.6 V |
| Cryptographic Engines | AES, DES, 3DES, SHA-1, MD5 (hardware) |
| Smart-Card Interface | ISO 7816-3 |
| Audio Interface | I²S |
| DMA Channels | 8 |
| ADC | 12-bit, up to 16 channels |
| Communication Peripherals | 2x UART, 2x SPI, 2x I²C |
| Parallel Master Port (PMP) | Yes (16-bit) |
| I/O Pins | 35 (approximate) |
| Hộp | 44-pin QFN (8x8 mm) |
| Kiểu lắp đặt | Surface Mount |
| Nhiệt độ hoạt động | -40C to +85C (Industrial grade) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ128GA204-I/ML
| Chân 1 | RP15/PWM3H/PMD15/RB15 — I/O port B15 / PWM / PMP data |
| Chân 2 | RP14/PWM3L/PMD14/RB14 — I/O port B14 / PWM / PMP data |
| Chân 3 | RP13/PMD13/RB13 — I/O port B13 / PMP data |
| Chân 4 | RP12/PMD12/RB12 — I/O port B12 / PMP data |
| Chân 5 | RP11/PMD11/RB11 — I/O port B11 / PMP data |
| Chân 6 | RP10/PMD10/RB10 — I/O port B10 / PMP data |
| Chân 7 | RP9/PMD9/RB9 — I/O port B9 / PMP data |
| Chân 8 | RP8/PMD8/RB8 — I/O port B8 / PMP data |
| Chân 9 | VSS — Ground reference |
| Chân 10 | VDD — Positive supply (2.0-3.6 V) |
| Chân 11 | RP7/PMD7/RB7 — I/O port B7 / PMP data |
| Chân 12 | RP6/PMD6/RC6 — I/O port C6 / PMP data |
| Chân 13 | RP5/PMD5/RC5 — I/O port C5 / PMP data |
| Chân 14 | RP4/PMD4/RC4 — I/O port C4 / PMP data |
| Chân 15 | RP3/PMD3/RC3 — I/O port C3 / PMP data |
| Chân 16 | RP2/PMD2/RC2 — I/O port C2 / PMP data |
| Chân 17 | RP1/PMD1/RC1 — I/O port C1 / PMP data |
| Chân 18 | RP0/PMD0/RC0 — I/O port C0 / PMP data |
| Chân 19 | VSS — Ground reference |
| Chân 20 | VDD — Positive supply (2.0-3.6 V) |
| Chân 21 | OSC1/CLKI/RA1 — Oscillator input or general I/O |
| Chân 22 | OSC2/CLKO/RA0 — Oscillator output or general I/O |
| Chân 23 | PGED3/RP20/RA10 — Programming data / I/O |
| Chân 24 | PGEC3/RP19/RA9 — Programming clock / I/O |
| Chân 25 | RP18/SDA2/RA8 — I2C SDA / I/O |
| Chân 26 | RP17/SCL2/RA7 — I2C SCL / I/O |
| Chân 27 | RP16/INT0/RA6 — External interrupt / I/O |
| Chân 28 | VSS — Ground reference |
| Chân 29 | VDD — Positive supply (2.0-3.6 V) |
| Chân 30 | AN9/CVD9/RP23/RB5 — ADC input / I/O |
| Chân 31 | AN8/CVD8/RP22/RB4 — ADC input / I/O |
| Chân 32 | AN7/CVD7/RP21/RB3 — ADC input / I/O |
| Chân 33 | AN6/CVD6/RP20/RB2 — ADC input / I/O |
| Chân 34 | AN5/CVD5/RP19/RB1 — ADC input / I/O |
| Chân 35 | AN4/CVD4/RP18/RB0 — ADC input / I/O |
| Chân 36 | AN3/CVD3/RP17/RA5 — ADC input / I/O |
| Chân 37 | AN2/CVD2/RP16/RA4 — ADC input / I/O |
| Chân 38 | AN1/CVD1/RP15/RA3 — ADC input / I/O |
| Chân 39 | AN0/CVD0/RP14/RA2 — ADC input / I/O |
| Chân 40 | VREF-/RA1 — ADC reference low / I/O |
| Chân 41 | VREF+/RA0 — ADC reference high / I/O |
| Chân 42 | PGED2/RP13/PMD13/RB13 — Programming data / I/O |
| Chân 43 | PGEC2/RP12/PMD12/RB12 — Programming clock / I/O |
| Chân 44 | EP — Exposed thermal pad (connect to VSS) |
Ứng dụng tiêu biểu
PIC24FJ128GA204-I/ML phù hợp cho 6 Áp dụngs: EMV Smart-Card Reader, Secure Access Control Module, Portable Medical Device, IoT Sensor Hub with Encryption, Industrial Secure Telemetry, Audio Front-End with I²S Codec.
EMV Smart-Card Reader
The PIC24FJ128GA204-I/ML is purpose-built for EMV contact smart-card terminals because the hardware AES/DES/SHA engine offloads cryptographic operations from the CPU, leaving the 16 MIPS core free to handle ISO 7816-3 byte framing and APDU command parsing. The 12-bit ADC monitors card insertion and supply current, while the 8-channel DMA streams card-to-host data without CPU intervention. Designed into a typical contactless or contact reader, the XLP sleep current below 1 µA between transactions extends battery life in mobile POS terminals and handheld identity devices, while the 44-pin QFN keeps the BOM compact.
Được đề xuất
Secure Access Control Module
Door controllers, electronic locks, and time-attendance terminals benefit from the PIC24FJ128GA204-I/ML's hardware AES-256 and SHA hash engine, which secures credential storage and authentication exchanges with minimal firmware complexity. The dual UART ports allow simultaneous connections to a host controller and a wired keypad or RFID module, while the dual SPI channels interface with secure EEPROMs for tamper-resistant key storage. Battery-backed designs use the XLP deep-sleep mode to drop quiescent current below 1 µA, enabling multi-year operation from a single lithium primary cell.
Được đề xuất
Portable Medical Device
The PIC24FJ128GA204-I/ML fits portable medical devices such as glucose meters, pulse oximeters, and infusion pumps because the XLP core delivers 16 MIPS throughput at sub-1 µA sleep currents, extending battery life across weeks of use. The 12-bit ADC accurately digitizes biosensor signals from photodiodes or electrochemical strips, while AES-128 hardware encryption secures patient log transmissions to mobile apps over BLE companion modules. The I²S interface also enables digital stethoscope and audio-feedback designs where high-quality audio output is required for clinician review.
Được đề xuất
IoT Sensor Hub with Encryption
Battery-powered IoT sensor hubs use the PIC24FJ128GA204-I/ML as an edge-encrypting aggregator that collects data from UART-attached sensors, hashes and AES-encrypts the payload via the hardware crypto engine, and forwards secure packets to an SPI-connected wireless module. The 8-channel DMA streams multi-sensor data without CPU wake-ups, and the XLP sleep modes reduce idle consumption to below 1 µA between scheduled measurements. The 128 KB Flash supports OTA firmware updates with signed-image verification through the SHA engine.
Được đề xuất
Industrial Secure Telemetry
In factory-automation and process-control networks, the PIC24FJ128GA204-I/ML provides secure field telemetry because the hardware AES engine authenticates Modbus RTU and CAN frames at the edge, preventing injection attacks on sensor busses. The dual UART and dual SPI allow redundant field-bus interfaces, while the 12-bit ADC monitors analog process variables (pressure, temperature, flow). Industrial temperature grade support via the /E variant and 2.0-3.6 V operation align with 24V-to-3.3V industrial supply rails.
Được đề xuất
Audio Front-End with I²S Codec
The PIC24FJ128GA204-I/ML includes an I²S port for direct connection to digital audio codecs, enabling designs such as digital voice recorders, intercoms, and audio capture peripherals that stream encrypted voice to a paired host. The DMA engine moves I²S samples between the codec and RAM without CPU cycles, leaving the CPU free to apply the AES engine for voice-data confidentiality. With 8 KB RAM sufficient for short PCM buffers and the XLP sleep modes for battery efficiency, the device fits compact voice-controlled IoT products.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ128GA204-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 | PIC24FJ128GA204T-I/ML | PIC24FJ128GA204-E/ML | PIC24FJ128GA204-I/PT | PIC24FJ128GA204-E/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) | 44-QFN (8x8 mm) | 44-TQFP | 44-TQFP |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum Clock | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) | 32 MHz (16 MIPS) |
| Hardware Crypto Engine | AES/DES/SHA | AES/DES/SHA | AES/DES/SHA | AES/DES/SHA | AES/DES/SHA |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +125C | -40C to +85C | -40C to +125C |
| ISO 7816 Interface | Yes | Yes | Yes | Yes | Yes |
| I²S Audio Port | Yes | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Hardware cryptographic engine accelerates AES/DES/SHA (vsPIC24FJ128GA006-I/PT)
- ISO 7816-3 smart-card interface built-in (vsPIC24FJ128DA206-I/MR)
- I²S audio codec interface (vsPIC24F16KM204-I/ML)
Ghi chú thiết kế
The PIC24FJ128GA204-I/ML operates from a single 2.0-3.6 V supply. Place a 0.1 µF decoupling capacitor as close as possible to each VDD/VSS pair (pins 10/9, 20/19, 29/28) and a 10 µF bulk capacitor at the board supply entry. The hardware crypto engine draws transient bursts during AES/SHA execution - estimate 20-30 mA peak spikes - so the bulk capacitor must be sized to limit droop below 2.0 V brown-out during sustained cryptographic operations.
Do not enable the crypto engine before configuring the system clock and disabling all interrupts that share its DMA channel - mis-initialization can lock the DMA or cause AES key corruption. Per Microchip errata, the parallel master port (PMP) and crypto engine share DMA resources on this device and must be sequenced carefully. Always validate the crypto-engine status register (CEFLAG) before issuing a new operation.
The 44-pin QFN (8x8 mm) package features an exposed thermal pad (pin 44) that MUST be soldered to a VSS copper pour for both electrical grounding and thermal dissipation. Estimated: with 16 MIPS active and 3.3 V supply, dissipation is roughly 60 mW; with the crypto engine continuously running at full throughput, dissipation can reach 150 mW. Ensure the exposed pad has at least 4 thermal vias to an internal ground plane to keep junction temperature below 85°C.
Route the high-speed digital signals (PMP, SPI, I²S, OSC) away from the analog ADC inputs (AN0-AN9) and place a ground guard ring around the VREF+/VREF- traces to minimize digital-to-analog crosstalk. Keep the 32 MHz oscillator traces short and symmetric, with the load capacitors placed within 2 mm of OSC1/OSC2.
Thông tin tuân thủ
RoHS/REACH compliant per Microchip product page. Industrial-grade -40C to +85C; not AEC-Q100 qualified for automotive - select PIC24FJ128GA204-E/ML for extended industrial temperature or use PIC24FJ128GA204 automotive-grade suffix where available.