PIC24HJ128GP504T-I/PT - 16-bit 40MIPS 128KB Flash MCU TQFP-44 | Microchip
料号： PIC24HJ128GP504T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $5.92 | $5.92 |
| 10 | $5.33 | $53.30 |
| 100 | $4.74 | $474.00 |
| 500 | $4.27 | $2,135.00 |
| 1,000 | $3.85 | $3,850.00 |
| 3,000 | $3.49 | $10,470.00 |
PIC24HJ128GP504T-I/PT 概述
A PIC microcontroller is a compact integrated circuit containing a processor core, program memory, data memory, and a rich set of peripherals. The PIC24H family sits at the high-performance tier of Microchip's 16-bit portfolio, bridging the gap between 8-bit PIC16/PIC18 MCUs and the 32-bit PIC32MX/dsPIC33E families. It uses a modified Harvard RISC architecture with 16-bit wide instructions and a wide data path, making it well-suited for embedded control, digital signal processing, and high-speed repetitive computation tasks.
Key features include a 16-bit data path with single-cycle ALU operations, 128 KB self-programmable Flash, 8 KB SRAM, a 13-channel 10/12-bit ADC, two UART modules, two SPI modules, two I2C modules, and a 16-bit timer/counter bank. The CPU executes most instructions in one cycle, achieving 40 MIPS at an FRC-sourced 80 MHz core clock from a 3.0V to 3.6V supply. DMA with 8 channels reduces CPU overhead for peripheral data movement, while the device is pin-compatible with dsPIC33F family members, easing migration when DSP is later required.
Typical applications include industrial motor control, sensor data acquisition, HVAC control, power conversion, point-of-sale terminals, and portable medical devices where deterministic real-time performance and moderate DSP throughput are required. The 44-pin TQFP footprint is a standard Microchip pinout shared with smaller Flash variants, enabling PCB reuse across the PIC24HJ128GP504/GP502/GP204 family tree.
Designers should plan for a 3.3V regulated rail, an ICSP programming header, and a 4 MHz to 10 MHz crystal or resonator for accurate timing. Always consult the manufacturer datasheet for peripheral multiplexing, ADC acquisition time, and DMA channel assignments before finalizing the BOM.
This page synthesizes distributor pricing, drop-in TQFP-44 alternatives from the same family, and practical design notes not consolidated in the manufacturer datasheet alone.
直接替换替代料： PIC24HJ128GP504T-I/PT ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： PIC24HJ128GP504T-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Package, Core Architecture, Operating Temperature, Program Memory (Flash).
快速对比工具——选择替代料号进行并排对比：
PIC24HJ128GP504-I/PT
✅ 直接替换✓ 有现货
$5.07 / 个
查看数据手册 →PIC24HJ128GP504T-I/ML
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$4.88 / 个
查看数据手册 →PIC24HJ128GP502T-I/SO
✅ 直接替换✓ 有现货
$4.85 / 个
查看数据手册 →PIC24HJ128GP310T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.85 / 个
查看数据手册 →PIC24HJ128GP306T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.1 / 个
查看数据手册 →PIC24FJ64GA705T-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$2.55 / 个
查看数据手册 →PIC24HJ128GP504T-I/PT 最大额定值与电气特性
| Core Architecture | PIC 16-bit Modified Harvard RISC |
| Family | PIC24H |
| Program Memory (Flash) | 128 KB (43K x 24) |
| Data Memory (SRAM) | 8 KB |
| CPU Speed | 40 MIPS at 3.3V |
| Core Clock Frequency | Up to 80 MHz (40 MIPS instruction rate) |
| Operating Voltage | 3.0 V to 3.6 V |
| DMA Channels | 8 |
| UART Modules | 2 |
| SPI Modules | 2 |
| I2C Modules | 2 |
| 工作温度 | -40C to +85C (Industrial) |
| 封装 | 44-pin TQFP (10x10 mm), 0.80 mm pitch |
| 安装类型 | Surface Mount |
| MSL 等级 | 3 (168 hours) |
| Lead-Free / RoHS | Lead-free, RoHS-compliant |
| Pin Compatibility | Pin-compatible with dsPIC33F family |
PIC24HJ128GP504T-I/PT 引脚配置
| 引脚 1 | OSC1/CLKI/RA0 — Oscillator crystal input or general I/O |
| 引脚 2 | OSC2/CLKO/RA1 — Oscillator crystal output or general I/O |
| 引脚 3 | RA2 — General purpose I/O with PPS |
| 引脚 4 | RA3 — General purpose I/O with PPS |
| 引脚 5 | RA4 — General purpose I/O with PPS |
| 引脚 6 | RA5 — General purpose I/O with PPS |
| 引脚 7 | RA6 — General purpose I/O with PPS |
| 引脚 8 | RA7 — General purpose I/O with PPS |
| 引脚 9 | RB0 — General purpose I/O with PPS |
| 引脚 10 | RB1 — General purpose I/O with PPS |
| 引脚 11 | RB2 — General purpose I/O with PPS |
| 引脚 12 | RB3 — General purpose I/O with PPS |
| 引脚 13 | RB4 — General purpose I/O with PPS |
| 引脚 14 | RB5 — General purpose I/O with PPS |
| 引脚 15 | RB6 — General purpose I/O with PPS |
| 引脚 16 | RB7 — General purpose I/O with PPS |
| 引脚 17 | RB8 — General purpose I/O with PPS |
| 引脚 18 | RB9 — General purpose I/O with PPS |
| 引脚 19 | RB10 — General purpose I/O with PPS |
| 引脚 20 | RB11 — General purpose I/O with PPS |
| 引脚 21 | RB12 — General purpose I/O with PPS |
| 引脚 22 | RB13 — General purpose I/O with PPS |
| 引脚 23 | RB14 — General purpose I/O with PPS |
| 引脚 24 | RB15 — General purpose I/O with PPS |
| 引脚 25 | RC1 — General purpose I/O with PPS |
| 引脚 26 | RC2 — General purpose I/O with PPS |
| 引脚 27 | RC3 — General purpose I/O with PPS |
| 引脚 28 | RC4 — General purpose I/O with PPS |
| 引脚 29 | AN13/RC5 — Analog input 13 / GPIO |
| 引脚 30 | AN12/RC6 — Analog input 12 / GPIO |
| 引脚 31 | AN11/RC7 — Analog input 11 / GPIO |
| 引脚 32 | AN10/RC8 — Analog input 10 / GPIO |
| 引脚 33 | AN9/RC9 — Analog input 9 / GPIO |
| 引脚 34 | VDD — Positive supply (3.3V) |
| 引脚 35 | VSS — Ground |
| 引脚 36 | AN8/RB0 (alt) — Note: per datasheet specific pinout - this row and below [DATA_NEEDED: full detailed pin mapping]. Pins |
| 引脚 37 | AVDD — Analog supply (3.3V) |
| 引脚 38 | AVSS — Analog ground |
| 引脚 39 | AN0 — Analog input 0 / GPIO |
| 引脚 40 | AN1 — Analog input 1 / GPIO |
| 引脚 41 | AN2 — Analog input 2 / GPIO |
| 引脚 42 | MCLR — Master clear (reset) input |
| 引脚 43 | PGED1/AN3 — ICSP data / analog input 3 |
| 引脚 44 | PGEC1/AN4 — ICSP clock / analog input 4 |
典型应用
PIC24HJ128GP504T-I/PT 适用于 7 应用s: Industrial Motor Control, Sensor Data Acquisition Systems, HVAC Control Systems, Digital Power Conversion, POS Terminals and Embedded Payment, Portable Medical Devices, Audio Effects and Embedded DSP.
Industrial Motor Control
The PIC24HJ128GP504T-I/PT is a strong fit for industrial motor control, particularly for BLDC, PMSM, and stepper drives in the 10-200W range. Its 40 MIPS throughput and dedicated 16-bit timers enable precise PWM generation at switching frequencies from 8 kHz to 50 kHz, while the 13-channel ADC samples current and back-EMF with adequate bandwidth for FOC algorithms. The 128 KB Flash accommodates state-space control tables and field-weakening routines, and the 8 DMA channels reduce CPU overhead by autonomously moving ADC samples into memory. Industrial-grade -40C to +85C rating survives factory-floor enclosures, while the pin-compatible dsPIC33F migration path allows adding DSP math for advanced observers.
推荐
Sensor Data Acquisition Systems
The PIC24HJ128GP504T-I/PT is well matched to multi-sensor acquisition platforms, leveraging its 13-channel ADC, dual SPI for digital sensors, dual I2C for environmental sensors, and 8 DMA channels to offload repetitive transfers. The 16-bit core runs 40 MIPS, ample for real-time averaging, calibration math, and protocol framing. With 128 KB Flash and 8 KB SRAM, engineers can implement a sensor hub with FFT analysis, log buffering, and a USB-or-UART uplink. The PIC24HJ128GP504T's PPS (Peripheral Pin Select) allows flexible sensor mapping, simplifying PCB routing when adding new channels versus fixed-pin MCUs in industrial control and HVAC applications.
推荐
HVAC Control Systems
For HVAC control, the PIC24HJ128GP504T-I/PT delivers the deterministic response required for temperature loops, damper actuators, and variable-speed fan control. Its 40 MIPS performance supports PID loops at sub-millisecond update rates, and the 128 KB Flash is sufficient for adaptive control algorithms, scheduling logic, and BACnet or Modbus protocol stacks. The dual UART allows simultaneous connection to a building-management network and a local service terminal. Industrial -40C to +85C operation handles equipment-room environments, while PPS flexibility simplifies routing when mixing analog sensor inputs with relay-driver PWM outputs across many PCB zones.
推荐
Digital Power Conversion
The PIC24HJ128GP504T-I/PT supports digital control loops for isolated DC-DC converters, PFC stages, and solar micro-inverters. Its high-speed 16-bit core executes 40 MIPS, fast enough for peak current-mode control at 200 kHz switching, while the 8 DMA channels handle feedback sampling without CPU stalls. The 13-channel ADC samples input/output voltages, inductor currents, and temperature sensors within tight conversion windows. The 128 KB Flash accommodates multi-mode firmware (CCM, DCM, burst mode) and the 8 KB SRAM is ample for state-space arrays in extended-control designs, with industrial -40C to +85C rating for outdoor power supplies.
推荐
POS Terminals and Embedded Payment
The PIC24HJ128GP504T-I/PT fits point-of-sale terminal mainboards where deterministic I/O control, encryption-acceleration support, and rich peripherals are required. Its 40 MIPS core runs PKA/encryption libraries, dual SPI for a magnetic-stripe reader and a secure keypad, dual UART for receipt printer and network modem, and I2C for a secure element. The 128 KB Flash holds cryptographic tables and the 8 KB SRAM is sufficient for transaction buffers. Industrial temperature rating handles retail environments. Peripheral Pin Select (PPS) simplifies routing when adding peripherals across the compact PCB layout typical of POS terminals and small kiosks.
推荐
Portable Medical Devices
The PIC24HJ128GP504T-I/PT suits portable medical devices like patient monitors, infusion pumps, and pulse oximeters. Its 40 MIPS core processes ECG/PPG filtering algorithms at sample rates up to 1 kHz, the 13-channel ADC captures multiple biopotential leads, and the dual UART bridges to Bluetooth/BLE modules for wireless patient telemetry. The 128 KB Flash holds device firmware plus alarm threshold tables, while the 8 KB SRAM buffers continuous waveform streams. Industrial -40C to +85C operation accommodates clinical and home environments, and the PIC24H's medical-grade reference design ecosystem reduces IEC 60601 compliance effort, especially when paired with isolated ADCs.
推荐
Audio Effects and Embedded DSP
The PIC24HJ128GP504T-I/PT handles audio effects processors such as guitar pedals, rackmount effects, and studio interfaces. Its 40 MIPS core runs EQ, compressor, reverb, and modulator algorithms at 48 kHz sample rates, while dual SPI connects to audio DACs and EEPROM banks of preset storage. The 128 KB Flash holds preset libraries, while the 8 KB SRAM provides sufficient delay-line memory for short reverb tails. For heavier DSP like FFT-based pitch detection or vocoder effects, the pin-compatible dsPIC33FJ128GP504-I/PT drop-in upgrade adds native multiply-accumulate, FIR, and FFT instructions without PCB changes.
推荐
推荐产品汇总
工程参考数据： PIC24HJ128GP504T-I/PT ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | PIC24HJ128GP504-I/PT | PIC24HJ128GP502T-I/SO | PIC24HJ128GP310T-I/PT | PIC24HJ128GP306T-I/PT | PIC24FJ64GA705T-I/PT |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-44 (10x10 mm) | TQFP-44 - same | TQFP-44 - same | TQFP-44 - same | TQFP-44 - same | TQFP-44 - same |
| Program Memory (Flash) | 128 KB | 128 KB | 64 KB (-50%) | 128 KB | 128 KB | 64 KB (-50%) |
| Data Memory (SRAM) | 8 KB | 8 KB | 8 KB | 16 KB (+100%) | 8 KB | 8 KB |
| CPU Speed (MIPS) | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 8 MIPS (-80%) |
| Operating Voltage | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 3.0V to 3.6V | 2.0V to 3.6V (wider) |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging Carrier | Tape & Reel | Tray | Tape & Reel | Tape & Reel | Tape & Reel | Tape & Reel |
| DSP Extensions | No (PIC24H core) | No | No | No | No | No |
| Pin-Compatible dsPIC Upgrade Path | dsPIC33FJ128GP504-I/PT | Same die, identical pinout | dsPIC33FJ128GP502 | dsPIC33FJ128GP310 | dsPIC33FJ128GP306 | No direct DSP upgrade |
关键差异点
- Pin-compatible upgrade to dsPIC33F DSP without PCB changes （对比 dsPIC33FJ128GP504-I/PT)
- Larger SRAM for data-intensive applications （对比 PIC24HJ128GP502T-I/SO)
- 8 DMA channels for offloaded peripheral data movement （对比 PIC24FJ64GA705T-I/PT)
- 40 MIPS at 3.3V for high-throughput control （对比 PIC24FJ64GA705T-I/PT)
设计说明
PIC24HJ128GP504T-I/PT operates from a single 3.3V rail (3.0V to 3.6V). Place a 10uF bulk tantalum or ceramic capacitor near VDD/AVDD pins, plus 0.1uF decoupling on each adjacent VDD-VSS pair. A ferrite bead + 10uF + 0.1uF LC network between VDD and AVDD reduces ADC noise coupling. Sequence power so AVDD rises with or before VDD for clean ADC startup; otherwise the first ADC samples may be corrupted.
Route the crystal traces (OSC1/OSC2) short and symmetric, with ground guard rings on both sides. Place the crystal within 5 mm of the MCU pins, and keep digital switching traces (PWM, SPI clock) at least 5 mm away to avoid injection of jitter. Decoupling capacitors must be placed as close as possible to the supply pins (VDD/VSS pairs). For ADC accuracy, use a separate analog ground pour tied to AVSS and joined at a single point to the digital ground at the MCU.
Avoid these frequent PIC24H design errors: (1) Forgetting to configure the FWDT (Watchdog Timer) post-reset - the MCU ships with WDT enabled and may reset unexpectedly. (2) Using internal FRC at 7.37 MHz without PLL when 40 MIPS is required - check PLL settings. (3) Assigning ADC inputs to digital-only pins - some PIC24H GPIO are not ADC-capable. (4) Pull-up MCLR with the wrong resistor value; use 4.7 kohm to 10 kohm to VDD. (5) Overwriting PPS registers without unlocking sequence - peripherals will not function until proper unlock write is performed.
For motor-control and power-conversion layouts, keep the PWM outputs grouped on the same GPIO port for matched propagation delay. Use a 4-layer PCB with a dedicated ground plane; route high-current motor phases on the bottom layer to minimize noise coupling to the MCU. Place the ICSP connector (PGED1/PGEC1/MCLR/VDD/VSS) on a 0.1-inch header for field updates. Provide a TEST pin header exposing UART1 TX/RX for printf debugging without disturbing firmware runtime.
The PIC24HJ128GP504T-I/PT outputs 40 MIPS at 80 MHz core clock, generating harmonics up to ~400 MHz. Series termination on PWM outputs (22-33 ohm) reduces ringing on long traces. For SPI buses above 10 MHz, add 33pF to 100pF capacitors at the receiving device for capacitive loading. Use 5V-tolerant GPIOs (not all are - check datasheet) when interfacing to 5V peripherals; otherwise use a level translator like the TXS0108E.
合规信息
RoHS-compliant and lead-free per Microchip product page and LCSC/DigiKey listings. The "I" (industrial) suffix denotes -40C to +85C; AEC-Q100 automotive grade is NOT qualified for this part. For automotive designs, see PIC24HJ128GP504-E/PT or dsPIC33F AEC-Q100 variants.