PIC24HJ32GP304T-I/PT - 16-bit 40MIPS 32KB Flash MCU | Microchip
MPN: PIC24HJ32GP304T-I/PT ✓ Hoạt độngPIC24HJ32GP304T-I/PT Tóm tắt
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.
Bộ thay thế dễ dàng lắp đặt cho PIC24HJ32GP304T-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 PIC24HJ32GP304T-I/PT (cùng hình factor và footprint) — khác nhau ở ADC, Timers, Package, Core, Operating Temperature.
PIC24HJ32GP304-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24HJ128GP504-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →PIC24HJ16GP304-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24HJ32GP304T-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24HJ32GP304T-I/PT Tỷ lệ tối đa & tính chất điện
| 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 |
| Hộp | 44-TQFP (10x10 mm) |
| Nhiệt độ hoạt động | -40C to +85C (Industrial) |
| Kiểu lắp đặt | Surface Mount |
| Packaging Type | Tape & Reel (T suffix) |
| Pin Compatibility | Pin-compatible with dsPIC33F family |
| Trạng thái RoHS | Compliant |
Cấu hình chân PIC24HJ32GP304T-I/PT
| Chân 1 | RP6/PWM4H/PMD6/RB6 — Remappable I/O / PWM output / Parallel Master Port data |
| Chân 2 | RP7/PWM4L/PMD7/RB7 — Remappable I/O / PWM output / Parallel Master Port data |
| Chân 3 | RP8/PMD8/RB8 — Remappable I/O / Parallel Master Port data |
| Chân 4 | RP9/PMD9/RB9 — Remappable I/O / Parallel Master Port data |
| Chân 5 | VSS — Ground reference |
| Chân 6 | OSCI/CLKI/RA2 — Oscillator crystal input / external clock input / GPIO |
| Chân 7 | OSCO/CLKO/RA3 — Oscillator crystal output / clock output / GPIO |
| Chân 8 | RP10/PMD10/RB10 — Remappable I/O / Parallel Master Port data |
| Chân 9 | RP11/PMD11/RB11 — Remappable I/O / Parallel Master Port data |
| Chân 10 | RP12/PMCS1/PMA12/RB12 — Remappable I/O / Parallel Master Port control |
| Chân 11 | RP13/PMCS2/PMA13/RB13 — Remappable I/O / Parallel Master Port control |
| Chân 12 | RP14/PMWR/PMA14/RB14 — Remappable I/O / Parallel Master Port write strobe |
| Chân 13 | RP15/PMRD/PMA15/RB15 — Remappable I/O / Parallel Master Port read strobe |
| Chân 14 | VDD — Positive supply voltage (3.0-3.6V) |
| Chân 15 | ENVREG/RF0 — Voltage regulator enable / GPIO |
| Chân 16 | FLTA1/RA4 — PWM fault input / GPIO |
| Chân 17 | RA5 — General purpose I/O |
| Chân 18 | RA6 — General purpose I/O |
| Chân 19 | RA7 — General purpose I/O |
| Chân 20 | VSS — Ground reference |
| Chân 21 | VDD — Positive supply voltage (3.0-3.6V) |
| Chân 22 | RP0/CN2/RB0 — Remappable I/O / interrupt-on-change / GPIO |
| Chân 23 | RP1/CN3/RB1 — Remappable I/O / interrupt-on-change / GPIO |
| Chân 24 | RP2/CN4/RB2 — Remappable I/O / interrupt-on-change / GPIO |
| Chân 25 | RP3/CN5/RB3 — Remappable I/O / interrupt-on-change / GPIO |
| Chân 26 | RP4/CN6/RB4 — Remappable I/O / interrupt-on-change / GPIO |
| Chân 27 | RP5/CN7/RB5 — Remappable I/O / interrupt-on-change / GPIO |
| Chân 28 | PGED2/AN8/RP16/RB16 — ICD data / analog input 8 / remappable I/O |
| Chân 29 | PGEC2/AN9/RP17/RB17 — ICD clock / analog input 9 / remappable I/O |
| Chân 30 | AN10/RP18/RB18 — Analog input 10 / remappable I/O |
| Chân 31 | AN11/RP19/RB19 — Analog input 11 / remappable I/O |
| Chân 32 | VSS — Ground reference |
| Chân 33 | VDD — Positive supply voltage (3.0-3.6V) |
| Chân 34 | AN12/RP20/RB20 — Analog input 12 / remappable I/O |
| Chân 35 | AN13/RP21/RB21 — Analog input 13 / remappable I/O |
| Chân 36 | AN14/RP22/RB22 — Analog input 14 / remappable I/O |
| Chân 37 | AN15/RP23/RB23 — Analog input 15 / remappable I/O |
| Chân 38 | AVSS — Analog ground reference |
| Chân 39 | AVDD — Analog positive supply voltage |
| Chân 40 | VREF+/AN0/RA0 — ADC voltage reference positive / analog input 0 |
| Chân 41 | VREF-/AN1/RA1 — ADC voltage reference negative / analog input 1 |
| Chân 42 | PGED1/AN2/RP24/RB24 — ICD data / analog input 2 / remappable I/O |
| Chân 43 | PGEC1/AN3/RP25/RB25 — ICD clock / analog input 3 / remappable I/O |
| Chân 44 | TMS/AN4/RP26/RB26 — JTAG test mode select / analog input 4 / remappable I/O |
Ứng dụng tiêu biểu
PIC24HJ32GP304T-I/PT phù hợp cho 6 Áp dụngs: 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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
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.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho PIC24HJ32GP304T-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 | 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) |
Bảo phân biệt quan trọng
- Pin-compatible with dsPIC33F for DSP migration path (vsPIC24HJ32GP204)
- 8-channel DMA controller for CPU-offloaded data movement (vsPIC24FJ64GA010)
- Same-die Tape & Reel variant preserves full peripheral set (vsPIC24HJ32GP302T-I/SO)
Ghi chú thiết kế
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.
Thông tin tuân thủ
RoHS compliant per Microchip product page. Not AEC-Q100 qualified - choose dsPIC33F Q1 variants for automotive. Halogen-free status not stated in available data.