PIC24HJ32GP304T-I/PT - 16-bit 40MIPS 32KB Flash MCU | Microchip
料号： PIC24HJ32GP304T-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.85 | $6.85 |
| 10 | $6.12 | $61.20 |
| 100 | $5.4 | $540.00 |
| 500 | $4.85 | $2,425.00 |
| 1,000 | $4.32 | $4,320.00 |
PIC24HJ32GP304T-I/PT 概述
A 16-bit microcontroller (MCU) is a microprocessor optimized for embedded control with a wider data path than 8-bit MCUs, enabling faster arithmetic, more precise DSP-style operations, and larger direct memory addressing. Within the MCU hierarchy, the PIC24H sits in the high-performance tier above 8-bit PIC MCUs but below 32-bit ARM Cortex-M parts. It belongs to the broader category of embedded microcontrollers > RISC microcontrollers > 16-bit microcontrollers, and uses a modified Harvard architecture with separate program and data buses for deterministic execution.
Key features of the PIC24HJ32GP304T-I/PT include a 16-bit wide datapath, C-compiler-friendly orthogonal instruction set, 16-channel 10/12-bit ADC, three 16-bit timers, two UART modules, two SPI modules, two I2C modules, and a dedicated DMA controller with 8 channels. The DMA engine offloads data movement between peripherals and memory without CPU intervention, a notable advantage over simpler 16-bit MCUs that lack DMA. The integrated 16-bit PWM and Input Capture modules make this device well suited to motor and power-conversion control loops.
The device is pin-compatible with the dsPIC33F family, allowing easy migration to DSP-capable variants when signal-processing requirements emerge. The industrial-grade -40C to +85C operating range and the wide 3.0V-3.6V supply tolerance suit industrial and consumer environments. The 'T' suffix indicates Tape & Reel packaging for high-volume assembly, while the 'I' denotes the industrial temperature grade.
Typical applications include motor control (BLDC, PMSM, stepper), digital power conversion (SMPS, PFC), industrial sensors, LED lighting controllers, and general-purpose embedded control. The DMA engine and PWM peripherals specifically suit real-time control loops where deterministic timing is critical.
When designing with this device, allocate a 4.7uF bulk capacitor near VDD and 0.1uF ceramic decoupling on each supply pin. Configure unused I/O as outputs to minimize current draw, and reserve an ICSP/ICD pin pair (PGECx/PGEDx) for in-circuit debugging. Always validate PWM timing and ADC sampling against the 40 MIPS instruction budget to avoid pipeline stalls in time-critical loops.
This page synthesizes distributor pricing, drop-in alternative MPNs, and engineering design notes that go beyond what the manufacturer datasheet alone provides for engineers evaluating the PIC24HJ32GP304T-I/PT.
直接替换替代料： PIC24HJ32GP304T-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： PIC24HJ32GP304T-I/PT （相同外形与封装尺寸） ——差异在于 ADC, Timers, Package, Core, Operating Temperature.
快速对比工具——选择替代料号进行并排对比：
PIC24HJ32GP304-I/PT
✅ 直接替换✓ 有现货
$4.49 / 个
查看数据手册 →PIC24HJ128GP504-I/PT
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.07 / 个
查看数据手册 →PIC24HJ16GP304-I/PT
✅ 直接替换✓ 有现货
$1.97 / 个
查看数据手册 →PIC24HJ32GP304T-I/ML
✅ 直接替换✓ 有现货
$3.21 / 个
查看数据手册 →PIC24HJ32GP304T-I/PT 最大额定值与电气特性
| Product Family | PIC24H 16-bit Microcontroller |
| Core Architecture | 16-bit Modified Harvard RISC |
| Instruction Set | 76 instructions, 16-bit wide |
| Maximum CPU Speed | 40 MIPS (40 MHz) |
| Program Memory (Flash) | 32 KB (11K x 24 words) |
| Data Memory (SRAM) | 2 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| ADC | 16-channel, 10/12-bit |
| Timers | 3 x 16-bit (pairable to one 32-bit) |
| Communication Interfaces | 2x UART, 2x SPI, 2x I2C |
| DMA Channels | 8 |
| 封装 | 44-TQFP (10x10 mm) |
| 工作温度 | -40C to +85C (Industrial) |
| 安装类型 | Surface Mount |
| Packaging Type | Tape & Reel (T suffix) |
| Pin Compatibility | Pin-compatible with dsPIC33F family |
| RoHS 状态 | Compliant |
PIC24HJ32GP304T-I/PT 引脚配置
| 引脚 1 | RP6/PWM4H/PMD6/RB6 — Remappable I/O / PWM output / Parallel Master Port data |
| 引脚 2 | RP7/PWM4L/PMD7/RB7 — Remappable I/O / PWM output / Parallel Master Port data |
| 引脚 3 | RP8/PMD8/RB8 — Remappable I/O / Parallel Master Port data |
| 引脚 4 | RP9/PMD9/RB9 — Remappable I/O / Parallel Master Port data |
| 引脚 5 | VSS — Ground reference |
| 引脚 6 | OSCI/CLKI/RA2 — Oscillator crystal input / external clock input / GPIO |
| 引脚 7 | OSCO/CLKO/RA3 — Oscillator crystal output / clock output / GPIO |
| 引脚 8 | RP10/PMD10/RB10 — Remappable I/O / Parallel Master Port data |
| 引脚 9 | RP11/PMD11/RB11 — Remappable I/O / Parallel Master Port data |
| 引脚 10 | RP12/PMCS1/PMA12/RB12 — Remappable I/O / Parallel Master Port control |
| 引脚 11 | RP13/PMCS2/PMA13/RB13 — Remappable I/O / Parallel Master Port control |
| 引脚 12 | RP14/PMWR/PMA14/RB14 — Remappable I/O / Parallel Master Port write strobe |
| 引脚 13 | RP15/PMRD/PMA15/RB15 — Remappable I/O / Parallel Master Port read strobe |
| 引脚 14 | VDD — Positive supply voltage (3.0-3.6V) |
| 引脚 15 | ENVREG/RF0 — Voltage regulator enable / GPIO |
| 引脚 16 | FLTA1/RA4 — PWM fault input / GPIO |
| 引脚 17 | RA5 — General purpose I/O |
| 引脚 18 | RA6 — General purpose I/O |
| 引脚 19 | RA7 — General purpose I/O |
| 引脚 20 | VSS — Ground reference |
| 引脚 21 | VDD — Positive supply voltage (3.0-3.6V) |
| 引脚 22 | RP0/CN2/RB0 — Remappable I/O / interrupt-on-change / GPIO |
| 引脚 23 | RP1/CN3/RB1 — Remappable I/O / interrupt-on-change / GPIO |
| 引脚 24 | RP2/CN4/RB2 — Remappable I/O / interrupt-on-change / GPIO |
| 引脚 25 | RP3/CN5/RB3 — Remappable I/O / interrupt-on-change / GPIO |
| 引脚 26 | RP4/CN6/RB4 — Remappable I/O / interrupt-on-change / GPIO |
| 引脚 27 | RP5/CN7/RB5 — Remappable I/O / interrupt-on-change / GPIO |
| 引脚 28 | PGED2/AN8/RP16/RB16 — ICD data / analog input 8 / remappable I/O |
| 引脚 29 | PGEC2/AN9/RP17/RB17 — ICD clock / analog input 9 / remappable I/O |
| 引脚 30 | AN10/RP18/RB18 — Analog input 10 / remappable I/O |
| 引脚 31 | AN11/RP19/RB19 — Analog input 11 / remappable I/O |
| 引脚 32 | VSS — Ground reference |
| 引脚 33 | VDD — Positive supply voltage (3.0-3.6V) |
| 引脚 34 | AN12/RP20/RB20 — Analog input 12 / remappable I/O |
| 引脚 35 | AN13/RP21/RB21 — Analog input 13 / remappable I/O |
| 引脚 36 | AN14/RP22/RB22 — Analog input 14 / remappable I/O |
| 引脚 37 | AN15/RP23/RB23 — Analog input 15 / remappable I/O |
| 引脚 38 | AVSS — Analog ground reference |
| 引脚 39 | AVDD — Analog positive supply voltage |
| 引脚 40 | VREF+/AN0/RA0 — ADC voltage reference positive / analog input 0 |
| 引脚 41 | VREF-/AN1/RA1 — ADC voltage reference negative / analog input 1 |
| 引脚 42 | PGED1/AN2/RP24/RB24 — ICD data / analog input 2 / remappable I/O |
| 引脚 43 | PGEC1/AN3/RP25/RB25 — ICD clock / analog input 3 / remappable I/O |
| 引脚 44 | TMS/AN4/RP26/RB26 — JTAG test mode select / analog input 4 / remappable I/O |
典型应用
PIC24HJ32GP304T-I/PT 适用于 6 应用s: Brushless DC (BLDC) Motor Control, Switch-Mode Power Supply (SMPS) Digital Control, Industrial Sensor Signal Conditioning, LED Lighting and Color-Mixing Controllers, General-Purpose Embedded Control, Automotive Body and Chassis Modules.
Brushless DC (BLDC) Motor Control
The PIC24HJ32GP304T-I/PT is purpose-built for BLDC motor control in 3-phase trapezoidal or sinusoidal drive topologies. Its three 16-bit timers pair into one 32-bit timer for precise PWM duty control of the 6-MOSFET inverter bridge, while the 8-channel DMA engine moves ADC samples from the 16-channel 10/12-bit ADC to memory without CPU intervention. At 40 MIPS, the CPU can execute field-oriented control (FOC) loops at 20 kHz with margin for housekeeping tasks. The 3.0-3.6V supply is well matched to 3.3V gate-driver bias rails, simplifying PCB design. Compared with 8-bit MCUs, the 16-bit datapath reduces overflow risk in PI loop arithmetic and supports tighter current-loop bandwidth.
推荐
Switch-Mode Power Supply (SMPS) Digital Control
The PIC24HJ32GP304T-I/PT delivers deterministic control loops for digitally controlled SMPS designs, including PFC, full-bridge, and LLC converters. Its 16-bit PWM resolution and 12-bit ADC with 16 channels enable voltage-mode and peak-current-mode control at switching frequencies up to several hundred kHz. The DMA controller offloads ADC-to-memory transfers so the CPU can execute compensation math and housekeeping at 40 MIPS. Industrial-grade -40C to +85C operation covers outdoor and factory environments. Pin compatibility with dsPIC33F allows migration to DSP-enhanced variants if adaptive control algorithms become necessary.
推荐
Industrial Sensor Signal Conditioning
For industrial sensor nodes - strain gauges, thermocouples, pressure transducers, and 4-20 mA loops - the PIC24HJ32GP304T-I/PT provides a 16-bit datapath to handle scaling and linearization math with better precision than 8-bit alternatives. The 16-channel 10/12-bit ADC multiplexes multiple analog inputs through a single MCU, reducing BOM cost. DMA ensures continuous ADC sampling without CPU bottlenecks, while the 2x UART modules enable simultaneous RS-485 and RS-232 connections to industrial networks. The 3.0-3.6V supply is tolerant of regulated industrial 24V-bus-derived rails.
推荐
LED Lighting and Color-Mixing Controllers
The PIC24HJ32GP304T-I/PT's three 16-bit timers drive multi-channel PWM dimming for RGBW LED fixtures and architectural lighting with sub-1% dimming resolution. DMA accelerates refresh of LED driver data buffers, freeing the CPU for protocol stacks such as DMX512, DALI, or Bluetooth Mesh via the UART/SPI/I2C peripherals. The 32 KB Flash accommodates custom color-space conversion firmware (HSL, xy-chromaticity). Industrial temperature rating ensures reliability in enclosed luminaire housings. The 44-TQFP package gives ample GPIO for parallel LED driver chains.
推荐
General-Purpose Embedded Control
The PIC24HJ32GP304T-I/PT serves as a high-performance general-purpose MCU in industrial control panels, HVAC controllers, appliance sub-systems, and consumer electronics. Its C-friendly instruction set and 32 KB Flash support real-time operating systems (FreeRTOS port available) and graphical user interface libraries. The 2x SPI, 2x I2C, and 2x UART peripherals allow simultaneous connections to displays, EEPROM, sensors, and wired/wireless modules. Pin-compatible with dsPIC33F for future DSP migration, this device gives engineers a clear upgrade path.
推荐
Automotive Body and Chassis Modules
The PIC24HJ32GP304T-I/PT can be deployed in non-safety automotive body electronics (lighting controllers, door modules, HVAC flaps, mirror adjust) where -40C to +85C operation suffices. Its DMA and PWM peripherals suit multi-channel motor and lighting drivers, while the CAN-friendly UART peripherals support LIN/J1850 legacy automotive networks via external transceivers. For safety-critical applications requiring AEC-Q100 qualification, migrate to a Q1-qualified dsPIC33F variant in the same 44-TQFP footprint.
推荐
推荐产品汇总
工程参考数据： PIC24HJ32GP304T-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 | PIC24HJ32GP304-I/PT | PIC24HJ128GP504-I/PT | PIC24HJ16GP304-I/PT | PIC24HJ32GP304T-I/ML |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 44-TQFP (10x10 mm) | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same | 44-TQFP (10x10 mm) - same |
| Flash Memory | 32 KB | 32 KB (same) | 128 KB (+300%) | 16 KB (-50%) | 32 KB (same) |
| SRAM | 2 KB | 2 KB (same) | 8 KB (+300%) | 2 KB (same) | 2 KB (same) |
| Maximum CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| I/O Pins | 21 | 21 | 21 (same footprint) | 21 | 21 (QFN, same die) |
| ADC Channels | 16 (10/12-bit) | 16 (10/12-bit) | 16 (10/12-bit) | 16 (10/12-bit) | 16 (10/12-bit) |
| DMA Channels | 8 | 8 | 8 | 8 | 8 |
| 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 |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Packaging | Tape & Reel | Tray | Tray | Tray | Tape & Reel (QFN) |
关键差异点
- Pin-compatible with dsPIC33F for DSP migration path （对比 PIC24HJ32GP204)
- 8-channel DMA controller for CPU-offloaded data movement （对比 PIC24FJ64GA010)
- Same-die Tape & Reel variant preserves full peripheral set （对比 PIC24HJ32GP302T-I/SO)
设计说明
Place a 4.7uF bulk decoupling capacitor within 5 mm of each VDD pin and a 0.1uF ceramic bypass capacitor as close as possible to every VDD/VSS pair. The PIC24HJ32GP304T-I/PT has three VDD pins and three VSS pins that must all be connected. A separate analog supply (AVDD/AVSS) requires its own 10uH ferrite bead and 10uF + 0.1uF decoupling to minimize ADC switching noise coupling into analog measurements.
Always reserve the PGECx/PGEDx pin pair on the PCB for in-circuit serial programming (ICSP), even in production designs - this enables in-field firmware updates. Configure unused I/O as digital outputs driven low to minimize quiescent current. Never float the MCLR pin; tie it through a 10 kohm pull-up to VDD. The ENVREG pin must be left floating or tied to VDD to enable the internal voltage regulator.
Keep traces to the 44-TQFP package short - the TQFP-44 pad pitch is 0.8 mm, so signal integrity demands a 4-layer PCB with a solid ground plane under the device. Route the high-speed PWM outputs (PWMxH/PWMxL pairs) as differential-matched pairs to the gate drivers, keeping the trace length delta below 2 mm to avoid timing skew. Place the external oscillator crystal within 10 mm of the OSCI/OSCO pins with a grounded guard ring.
合规信息
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose dsPIC33F Q1 variants for automotive. Halogen-free status not stated in available data.