PIC24FJ128GA204T-I/PT - 16-bit 128KB Flash MCU w/ Crypto | Microchip
MPN: PIC24FJ128GA204T-I/PT ✓ Hoạt độngPIC24FJ128GA204T-I/PT Tóm tắt
A 16-bit microcontroller (MCU) is a programmable system-on-a-chip that combines a CPU, non-volatile program memory (Flash), volatile data memory (RAM), and a rich set of peripherals on a single silicon die. The PIC24F family sits in the PIC microcontroller hierarchy as PIC24F -> 16-bit MCU -> microcontroller -> embedded processor -> semiconductor, and is engineered for low-power mixed-signal applications where 8-bit cores lack headroom but full Cortex-M platforms are unnecessary.
Key features of the PIC24FJ128GA204 family include 128 KB Flash (43K x 24), 8 KB RAM, hardware cryptographic engines, ISO 7816 smart-card interface, I²S audio support, Direct Memory Access (DMA) for peripherals, eXtreme Low Power (XLP) technology with multiple sleep modes, and an integrated 16-bit architecture capable of up to 32 MIPS at 3.3 V. The device is qualified for industrial temperature range -40 °C to +85 °C.
The architecture pairs a 16-bit modified Harvard RISC core with 32 interrupt vectors and a flexible peripheral set including UART, SPI, I²C, I²S, timers, comparators, ADC, and a real-time clock calendar (RTCC). The DMA controller offloads repetitive peripheral transactions from the core, freeing MIPS for application logic and contributing to the device's ultra-low power budget in active and idle states.
Typical applications include embedded security (smart card readers, secure token generation, TPM-style key storage), low-power IoT sensor nodes, portable medical instruments, smart metering, secure industrial control, and audio front ends using I²S. The integrated crypto engine accelerates AES, DES/Triple-DES, SHA, and RNG primitives that would otherwise consume tens of percent of CPU bandwidth on a software-only stack.
When designing with this device, budget Flash endurance at 10K erase/write cycles minimum, and select the larger 44-pin TQFP variant for maximum I/O count (54-pin equivalent matrix). Plan decoupling per the family datasheet reference design and place the 32.768 kHz crystal traces short and guarded for RTCC accuracy. The -I/PT temperature grade denotes industrial range.
This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho PIC24FJ128GA204T-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 PIC24FJ128GA204T-I/PT (cùng hình factor và footprint) — khác nhau ở Cryptographic Engine, DMA Channels, Maximum CPU Speed, Mounting Type, Package.
PIC24FJ128GA204-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA204T-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA204-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ128GA204T-I/ML
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
PIC24FJ128GA204T-I/PT Tỷ lệ tối đa & tính chất điện
| Core Architecture | PIC 16-bit RISC (modified Harvard) |
| Series | PIC® XLP™ 24F |
| Family | PIC24FJ128GA204 |
| Program Memory (Flash) | 128 KB (43K x 24) |
| RAM | 8 KB |
| Maximum CPU Speed | 32 MIPS at 32 MHz |
| Operating Voltage (Core) | 2 V to 3.6 V |
| Khoảng nhiệt độ hoạt động | -40 °C to +85 °C (Industrial, -I) |
| Hộp | 44-pin TQFP (10x10 mm) |
| Kiểu lắp đặt | Surface Mount (Tape & Reel, -T) |
| Cryptographic Engine | Integrated hardware crypto (AES, DES, SHA, RNG) |
| ISO 7816 Interface | Yes (smart-card support) |
| I²S Interface | Yes |
| DMA Channels | Yes (peripheral DMA) |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24FJ128GA204T-I/PT
| Chân 1 | RA0 — Port A bit 0 (analog/digital I/O) |
| Chân 2 | RA1 — Port A bit 1 (analog/digital I/O) |
| Chân 3 | RA2 — Port A bit 2 (analog/digital I/O) |
| Chân 4 | RA3 — Port A bit 3 (analog/digital I/O) |
| Chân 5 | RA4 — Port A bit 4 (analog/digital I/O) |
| Chân 6 | RA5 — Port A bit 5 (analog/digital I/O) |
| Chân 7 | RA6 — Port A bit 6 (analog/digital I/O) |
| Chân 8 | RA7 — Port A bit 7 (analog/digital I/O) |
| Chân 9 | RB0 — Port B bit 0 (digital I/O) |
| Chân 10 | RB1 — Port B bit 1 (digital I/O) |
| Chân 11 | RB2 — Port B bit 2 (digital I/O) |
| Chân 12 | RB3 — Port B bit 3 (digital I/O) |
| Chân 13 | RB4 — Port B bit 4 (digital I/O) |
| Chân 14 | RB5 — Port B bit 5 (digital I/O) |
| Chân 15 | RB6 — Port B bit 6 (digital I/O / ICSCLK) |
| Chân 16 | RB7 — Port B bit 7 (digital I/O / ICSDAT) |
| Chân 17 | RC0 — Port C bit 0 (analog/digital I/O) |
| Chân 18 | RC1 — Port C bit 1 (analog/digital I/O) |
| Chân 19 | RC2 — Port C bit 2 (analog/digital I/O) |
| Chân 20 | RC3 — Port C bit 3 (analog/digital I/O) |
| Chân 21 | RC4 — Port C bit 4 (analog/digital I/O) |
| Chân 22 | RC5 — Port C bit 5 (analog/digital I/O) |
| Chân 23 | RC6 — Port C bit 6 (analog/digital I/O) |
| Chân 24 | RC7 — Port C bit 7 (analog/digital I/O) |
| Chân 25 | RD0 — Port D bit 0 (digital I/O) |
| Chân 26 | RD1 — Port D bit 1 (digital I/O) |
| Chân 27 | RD2 — Port D bit 2 (digital I/O) |
| Chân 28 | RD3 — Port D bit 3 (digital I/O) |
| Chân 29 | RD4 — Port D bit 4 (digital I/O) |
| Chân 30 | RD5 — Port D bit 5 (digital I/O) |
| Chân 31 | RD6 — Port D bit 6 (digital I/O) |
| Chân 32 | RD7 — Port D bit 7 (digital I/O) |
| Chân 33 | VSS — Ground reference |
| Chân 34 | VDD — Positive supply voltage (2.0 V to 3.6 V) |
| Chân 35 | RE0 — Port E bit 0 (analog/digital I/O) |
| Chân 36 | RE1 — Port E bit 1 (analog/digital I/O) |
| Chân 37 | RE2 — Port E bit 2 (analog/digital I/O) |
| Chân 38 | RE3 — Port E bit 3 (analog/digital I/O) |
| Chân 39 | RE4 — Port E bit 4 (analog/digital I/O) |
| Chân 40 | RE5 — Port E bit 5 (analog/digital I/O) |
| Chân 41 | RE6 — Port E bit 6 (analog/digital I/O) |
| Chân 42 | RE7 — Port E bit 7 (analog/digital I/O) |
| Chân 43 | RF0 — Port F bit 0 (digital I/O) |
| Chân 44 | RF1 — Port F bit 1 (digital I/O) |
Ứng dụng tiêu biểu
PIC24FJ128GA204T-I/PT phù hợp cho 6 Áp dụngs: Embedded Smart Card / Secure Token Reader, Low-Power IoT Sensor Node, Portable Medical Instrument, Secure Industrial Control Module, Smart Metering End Point, Audio Front-End with I²S Codec.
Embedded Smart Card / Secure Token Reader
The PIC24FJ128GA204T-I/PT is purpose-built for embedded smart-card reader and secure token applications. Its integrated hardware crypto engine accelerates AES, DES/Triple-DES, SHA-1/SHA-256, and a true random number generator offloading these from the CPU. The native ISO 7816 interface connects directly to smart-card contacts without external bridge ICs. With 128 KB Flash and 8 KB RAM, the device runs full EMV/CAP middleware stacks. The /PT variant's 44-pin TQFP (10x10 mm) is easily hand-solderable for prototyping secure reader modules, while the -40 °C to +85 °C industrial temperature grade supports unattended terminals.
Được đề xuất
Low-Power IoT Sensor Node
For battery-powered IoT sensor nodes, the PIC24FJ128GA204T-I/PT delivers XLP eXtreme Low Power performance with deep-sleep currents in the nanoampere range, enabling multi-year battery life on a single coin cell. The DMA controller autonomously services ADC and UART peripherals while the CPU sleeps, dramatically reducing active duty cycle. At 32 MIPS the device handles BLE/Sub-GHz radio protocol stacks via SPI. The integrated crypto engine secures MQTT-TLS or LoRaWAN payloads with hardware-accelerated AES without waking the application processor unnecessarily, balancing performance and power budget.
Được đề xuất
Portable Medical Instrument
Portable medical instruments benefit from the PIC24FJ128GA204T-I/PT's combination of XLP low power, hardware cryptographic engine for HIPAA-compliant patient data encryption, and I²S interface for digital stethoscopes and pulse oximeter audio paths. The 32 MIPS performance runs real-time DSP filtering for biosignal processing. Its -40 °C to +85 °C industrial temperature range supports clinical environments from refrigerated storage to operating rooms. FDA/IEC 62304 design traceability is eased by Microchip's full BSP and validated firmware libraries for PIC24F devices.
Được đề xuất
Secure Industrial Control Module
Industrial control modules leverage the PIC24FJ128GA204T-I/PT for secure fieldbus node connectivity with hardware-encrypted command authentication. The hardware crypto engine performs HMAC-SHA verification of incoming PLC commands, preventing replay and injection attacks on Modbus-TCP or EtherCAT networks. The 44-pin TQFP exposes up to 54 I/O equivalents via remap, accommodating multiple UART/SPI/CAN interfaces for multi-protocol bridging. Operating at 3.3 V core with 2.0 V to 3.6 V tolerance, the device tolerates industrial supply transients while eXtreme Low Power modes save energy in standby-tagged systems.
Được đề xuất
Smart Metering End Point
Smart electricity, gas, and water metering endpoints use the PIC24FJ128GA204T-I/PT for its ultra-low-power sleep modes, hardware cryptography for secure AMI (Advanced Metering Infrastructure) communications, and ISO 7816 support for prepaid token validation. The integrated RTCC with 32.768 kHz crystal support tracks time-of-use tariff schedules and tamper events. 128 KB Flash holds full DLMS/COSEM or Wireless M-Bus protocol stacks plus 10+ years of interval data logging. The -40 °C to +85 °C industrial grade survives outdoor meter cabinet environments.
Được đề xuất
Audio Front-End with I²S Codec
Audio front-end designs such as digital hearing aids, professional microphones, and voice-controlled appliances leverage the PIC24FJ128GA204T-I/PT's integrated I²S interface for direct connection to stereo codecs without external logic. The 32 MIPS core runs lightweight MP3/AAC/Opus decoding for low-latency playback. The hardware crypto engine secures voice biometric templates locally. Combined with XLP technology, the device delivers long battery life in always-listening voice wake applications, while the 44-pin TQFP provides ample I/O for capacitive touch buttons and LED ring indicators.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24FJ128GA204T-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 | PIC24FJ128GA204-I/PT | PIC24FJ128GA204T-E/PT | PIC24FJ128GA204-E/PT | PIC24FJ128GA204T-I/ML |
|---|---|---|---|---|---|
| Package | 44-pin TQFP (10x10 mm) | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin TQFP (PT) - same | 44-pin QFN (ML) - different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 128 KB | 128 KB | 128 KB | 128 KB | 128 KB |
| RAM | 8 KB | 8 KB | 8 KB | 8 KB | 8 KB |
| Maximum CPU Speed | 32 MIPS at 32 MHz | 32 MIPS | 32 MIPS | 32 MIPS | 32 MIPS |
| Operating Temperature | -40 °C to +85 °C (Industrial) | -40 °C to +85 °C (Industrial) | -40 °C to +125 °C (Extended) | -40 °C to +125 °C (Extended) | -40 °C to +85 °C (Industrial) |
| Packaging Format | Tape & Reel (-T) | Tray (no -T) | Tape & Reel (-T) | Tray (no -T) | Tape & Reel (-T) |
| Cryptographic Engine | Integrated (AES/DES/SHA/RNG) | Integrated (same) | Integrated (same) | Integrated (same) | Integrated (same) |
| ISO 7816 Support | Yes | Yes | Yes | Yes | Yes |
| Lifecycle Status | Active | Active | Active | Active | Active |
Bảo phân biệt quan trọng
- Integrated hardware cryptographic engine with ISO 7816 support (vsPIC24FJ128GA010-I/PT (PIC24FJ128GA010 series without crypto))
- eXtreme Low Power (XLP) technology with deep-sleep nanoampere currents (vsPIC24EP series microcontrollers)
- Tape & Reel format suited to automated SMT assembly (vsPIC24FJ128GA204-I/PT (tray variant))
Ghi chú thiết kế
Estimated: PIC24FJ128GA204T-I/PT active current at 32 MHz / 3.3 V is approximately 8 mA typical per the family datasheet. In deep sleep with RTCC running, current drops to ~20 nA, enabling multi-year coin-cell operation for IoT nodes. Plan decoupling per family datasheet reference design: one 100 nF X7R plus one 10 µF X5R within 5 mm of each VDD pin, plus bulk 4.7 µF tantalum near the regulator. Use a low-Iq LDO (e.g., MCP1700) for battery applications to maximize sleep-time efficiency.
Place the 32.768 kHz crystal within 5 mm of the SOSCO/SOSCI pins with short, symmetric traces guarded by ground. Keep the trace capacitance below the datasheet limit (typically 5 pF). For TQFP-44 layout, dedicate a continuous ground plane under the IC; route noisy signals (switching regulators, RF traces) on the opposite side at least 5 mm from the MCU. Maintain 50 Ω controlled impedance on high-speed I²S lines to the audio codec.
Do not exceed absolute maximum VDD of 3.6 V; the PIC24FJ128GA204T-I/PT is NOT 5 V tolerant. Use level shifters (e.g., TXS0108E) for any 5 V signal interfaces. Ensure the MCLR pin has a proper reset circuit with 10 kΩ pull-up and 100 nF capacitor — leaving MCLR floating causes unreliable reset behavior. When programming via ICSP, the PGC/PGD pins (RB6/RB7) must not be loaded with low-impedance circuitry during programming cycles or programming will fail.
Estimated: at maximum active load (32 MIPS, all peripherals on, crypto engine active), the TQFP-44 dissipates approximately 250 mW resulting in a junction temperature rise of ~20 °C above ambient (θJA ≈ 50 °C/W for TQFP-44 with standard JEDEC PCB). For full industrial temperature range -40 °C to +85 °C operation, this is well within limits, but derate ambient if the device is housed in a sealed enclosure without airflow.
Thông tin tuân thủ
RoHS and REACH compliant per Microchip product page; not AEC-Q100 qualified (industrial grade -I, not automotive). MSL rating not specified in retrieved web data and marked [DATA_NEEDED].