PIC24HJ128GP310-I/PT - 16-bit 40MIPS 128KB Flash MCU | Microchip
料号： PIC24HJ128GP310-I/PT ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.72 | $9.72 |
| 10 | $8.65 | $86.50 |
| 100 | $7.45 | $745.00 |
| 500 | $6.62 | $3,310.00 |
| 1,000 | $5.84 | $5,840.00 |
PIC24HJ128GP310-I/PT 概述
直接替换替代料： PIC24HJ128GP310-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： PIC24HJ128GP310-I/PT （相同外形与封装尺寸） ——差异在于 Operating Temperature, ADC, Package, Core Architecture, DMA Channels.
快速对比工具——选择替代料号进行并排对比：
PIC24HJ128GP310A-I/PT
✅ 直接替换✓ 有现货
$5.62 / 个
查看数据手册 →PIC24HJ128GP310T-I/PT
✅ 直接替换✓ 有现货
$5.85 / 个
查看数据手册 →PIC24HJ128GP510-I/PT
✅ 直接替换✓ 有现货
$5.05 / 个
查看数据手册 →PIC24HJ128GP310A-E/PT
✅ 直接替换✓ 有现货
$6.5 / 个
查看数据手册 →PIC24HJ128GP210-I/PT
✅ 直接替换✓ 有现货
$5.42 / 个
查看数据手册 →PIC24FJ256GU406-I/PT
✅ 直接替换✓ 有现货
$2.69 / 个
查看数据手册 →PIC24HJ128GP310-I/PT 最大额定值与电气特性
| Core Architecture | PIC24H 16-bit modified Harvard |
| CPU Performance | 40 MIPS |
| Program Memory (Flash) | 128 KB (43K x 24) |
| SRAM | 8 KB |
| Operating Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 85 |
| 封装 | 100-pin TQFP (12x12 mm) |
| 工作温度 | -40C to +85C (industrial) |
| UART Modules | 2 |
| SPI Modules | 2 |
| I2C Modules | 1 |
| Output Compare / PWM Channels | 8 |
| Quadrature Encoder Interface | Yes |
| ADC | 16-channel 10/12-bit, 500 ksps |
| Internal Oscillator | 40 MHz RC with PLL |
| 安装类型 | Surface Mount |
| RoHS 状态 | Compliant |
| Lead-Free | Yes |
PIC24HJ128GP310-I/PT 引脚配置
| 引脚 1 | SDA/RP15 — I2C data signal / remappable peripheral pin 15 |
| 引脚 2 | RP14 — Remappable peripheral input 14 |
| 引脚 3 | RP13 — Remappable peripheral input 13 |
| 引脚 4 | RP12 — Remappable peripheral input 12 |
| 引脚 5 | RP11 — Remappable peripheral input 11 |
| 引脚 6 | RP10 — Remappable peripheral input 10 |
| 引脚 7 | RP9 — Remappable peripheral input 9 |
| 引脚 8 | RP8 — Remappable peripheral input 8 |
| 引脚 9 | RP7 — Remappable peripheral input 7 |
| 引脚 10 | RP6 — Remappable peripheral input 6 |
| 引脚 11 | VDD — Positive supply (3.0-3.6 V) |
| 引脚 12 | VSS — Ground reference |
| 引脚 13 | OSC1 — External oscillator / crystal input |
| 引脚 14 | OSC2 — External oscillator / crystal output |
| 引脚 15 | MCLR — Master clear reset (active-low) |
| 引脚 16 | PGED2 — ICSP data line pair 2 |
| 引脚 17 | PGEC2 — ICSP clock line pair 2 |
| 引脚 18 | PGED1 — ICSP data line pair 1 |
| 引脚 19 | PGEC1 — ICSP clock line pair 1 |
| 引脚 20 | AVSS — Analog ground |
| 引脚 21 | AVDD — Analog positive supply (3.0-3.6 V) |
| 引脚 22 | AN0 — Analog input 0 |
| 引脚 23 | AN1 — Analog input 1 |
| 引脚 24 | AN2 — Analog input 2 |
| 引脚 25 | AN3 — Analog input 3 |
| 引脚 26 | AN4 — Analog input 4 |
| 引脚 27 | AN5 — Analog input 5 |
| 引脚 28 | AN6 — Analog input 6 |
| 引脚 29 | AN7 — Analog input 7 |
| 引脚 30 | AN8 — Analog input 8 |
| 引脚 31 | AN9 — Analog input 9 |
| 引脚 32 | AN10 — Analog input 10 |
| 引脚 33 | AN11 — Analog input 11 |
| 引脚 34 | AN12 — Analog input 12 |
| 引脚 35 | AN13 — Analog input 13 |
| 引脚 36 | AN14 — Analog input 14 |
| 引脚 37 | AN15 — Analog input 15 |
| 引脚 38 | VDD — Positive supply (3.0-3.6 V) |
| 引脚 39 | VSS — Ground reference |
| 引脚 40 | RP5 — Remappable peripheral input 5 |
| 引脚 41 | RP4 — Remappable peripheral input 4 |
| 引脚 42 | RP3 — Remappable peripheral input 3 |
| 引脚 43 | RP2 — Remappable peripheral input 2 |
| 引脚 44 | RP1 — Remappable peripheral input 1 |
| 引脚 45 | RP0 — Remappable peripheral input 0 |
| 引脚 46 | VDD — Positive supply (3.0-3.6 V) |
| 引脚 47 | VSS — Ground reference |
| 引脚 48 | U1TX — UART1 transmit |
| 引脚 49 | U1RX — UART1 receive |
| 引脚 50 | U2TX — UART2 transmit |
| 引脚 51 | U2RX — UART2 receive |
| 引脚 52 | SCL — I2C clock |
| 引脚 53 | SDA — I2C data |
| 引脚 54 | SDO1 — SPI1 data out |
| 引脚 55 | SDI1 — SPI1 data in |
| 引脚 56 | SCK1 — SPI1 clock |
| 引脚 57 | SS1 — SPI1 slave select |
| 引脚 58 | SDO2 — SPI2 data out |
| 引脚 59 | SDI2 — SPI2 data in |
| 引脚 60 | SCK2 — SPI2 clock |
| 引脚 61 | SS2 — SPI2 slave select |
| 引脚 62 | OC1 — Output compare 1 / PWM channel |
| 引脚 63 | OC2 — Output compare 2 / PWM channel |
| 引脚 64 | OC3 — Output compare 3 / PWM channel |
| 引脚 65 | OC4 — Output compare 4 / PWM channel |
| 引脚 66 | OC5 — Output compare 5 / PWM channel |
| 引脚 67 | OC6 — Output compare 6 / PWM channel |
| 引脚 68 | OC7 — Output compare 7 / PWM channel |
| 引脚 69 | OC8 — Output compare 8 / PWM channel |
| 引脚 70 | QEA — Quadrature encoder A input |
| 引脚 71 | QEB — Quadrature encoder B input |
| 引脚 72 | INDX — Quadrature encoder index pulse |
| 引脚 73 | IC1 — Input capture 1 |
| 引脚 74 | IC2 — Input capture 2 |
| 引脚 75 | IC3 — Input capture 3 |
| 引脚 76 | T1CK — Timer1 clock input |
| 引脚 77 | T2CK — Timer2 clock input |
| 引脚 78 | T3CK — Timer3 clock input |
| 引脚 79 | RTCC — Real-time clock calendar output |
| 引脚 80 | SOSCO — Secondary oscillator output (32 kHz) |
| 引脚 81 | SOSCI — Secondary oscillator input (32 kHz) |
| 引脚 82 | VDD — Positive supply (3.0-3.6 V) |
| 引脚 83 | VSS — Ground reference |
| 引脚 84 | RA0 — PORTA bit 0 |
| 引脚 85 | RA1 — PORTA bit 1 |
| 引脚 86 | RA2 — PORTA bit 2 |
| 引脚 87 | RA3 — PORTA bit 3 |
| 引脚 88 | RA4 — PORTA bit 4 |
| 引脚 89 | RA5 — PORTA bit 5 |
| 引脚 90 | RA6 — PORTA bit 6 |
| 引脚 91 | RA7 — PORTA bit 7 |
| 引脚 92 | RA8 — PORTA bit 8 |
| 引脚 93 | RA9 — PORTA bit 9 |
| 引脚 94 | RA10 — PORTA bit 10 |
| 引脚 95 | RB0 — PORTB bit 0 |
| 引脚 96 | RB1 — PORTB bit 1 |
| 引脚 97 | RB2 — PORTB bit 2 |
| 引脚 98 | RB3 — PORTB bit 3 |
| 引脚 99 | RB4 — PORTB bit 4 |
| 引脚 100 | RB5 — PORTB bit 5 |
典型应用
PIC24HJ128GP310-I/PT 适用于 7 应用s: BLDC and PMSM Motor Control, Industrial Sensor Hub, Digital Power Conversion, Building Automation Controller, Medical Instrumentation Front-End, Automotive Body and Comfort Modules, Portable Data Logger.
BLDC and PMSM Motor Control
The PIC24HJ128GP310-I/PT is well matched to brushless DC and permanent magnet synchronous motor drives because it provides eight output compare/PWM channels and a dedicated quadrature encoder interface in a single 40 MIPS core. Its 16-channel 12-bit ADC at 500 ksps comfortably samples three-phase current at 20 kHz PWM with margin for back-EMF and DC-bus sensing. Placing this MCU between a 3.3 V LDO and the gate-driver stage delivers deterministic commutation timing, while its 8 KB SRAM holds field-oriented control state variables and speed-loop filters. The PIC24HJ128GP310 trades off against higher-end dsPIC33 parts only if the application truly needs DSP-class single-cycle MAC throughput.
推荐
Industrial Sensor Hub
The PIC24HJ128GP310-I/PT serves as a multi-protocol sensor aggregator where its two UART, two SPI, and one I2C peripheral set handle simultaneous connections to RS-485 sensors, SPI ADCs, and I2C environmental sensors without external multiplexer ICs. The 128 KB Flash accommodates small protocol stacks such as Modbus RTU or proprietary fieldbus frames, while the 8 KB SRAM buffers sensor bursts before forwarding to a gateway. Operating from 3.0-3.6 V lets the part share a regulated rail with modern MEMS sensors, simplifying power design in 4-20 mA loop-powered or 24 V industrial backplanes.
推荐
Digital Power Conversion
The PIC24HJ128GP310-I/PT fits digital switch-mode power supply loops where the 40 MIPS core, 8-channel PWM, and high-speed 12-bit ADC enable voltage-mode and peak-current-mode control at switching frequencies up to several hundred kHz. Its 128 KB Flash supports digital compensator coefficients, soft-start profiles, and telemetry logging. Compared with a discrete analog controller, this MCU adds adaptive control and remote monitoring via UART/SPI without the BOM cost of a dedicated digital signal controller. The 100-pin TQFP leaves ample I/O for housekeeping, fault flags, and PMBus-style telemetry outputs.
推荐
Building Automation Controller
The PIC24HJ128GP310-I/PT suits HVAC controllers, lighting ballasts, and access-control panels because its 85 I/O pins interface directly with relay drivers, triac opto-couplers, and keypad matrices without external I/O expanders. The 128 KB Flash and 8 KB SRAM allow concurrent Modbus, BACnet, or KNX-style application layers and the 16-channel ADC monitors thermistors, photocells, and current loops on a single chip. The industrial -40C to +85C temperature rating covers rooftop and plant-floor environments without additional thermal conditioning.
推荐
Medical Instrumentation Front-End
The PIC24HJ128GP310-I/PT acts as the acquisition and pre-processing MCU in patient monitors, infusion pumps, and bench-top analyzers thanks to its 12-bit ADC, 85 I/O, and deterministic 40 MIPS execution core that supports fixed-cycle sampling. The 128 KB Flash accommodates FDA-style firmware revision logs and calibration tables, while the 8 KB SRAM buffers waveform capture between display updates. Operating at 3.3 V from a regulated medical-isolation supply keeps the device inside its VDD range and compatible with low-voltage analog front ends.
推荐
Automotive Body and Comfort Modules
The PIC24HJ128GP310-I/PT covers body controllers, seat and mirror modules, and HVAC blend-door actuators where CAN connectivity is optional and PWM/ADC-heavy control is the primary workload. Its 8 PWM channels drive multiple small motors and LEDs, while the quadrature encoder interface reads rotary knobs without an external counter IC. For under-hood or AEC-Q100-qualified deployments, the PIC24HJ128GP510-I/PT sibling adds the required CAN peripheral with the same pinout, enabling direct upgrade on the same PCB footprint.
推荐
Portable Data Logger
The PIC24HJ128GP310-I/PT powers handheld battery-powered data loggers because its low-power idle/sleep modes and 32 kHz secondary oscillator extend battery life between measurement bursts. The 128 KB Flash stores compressed sample buffers and configuration profiles, while 8 KB SRAM accommodates circular capture buffers for vibration, temperature, or GPS-tagged telemetry. The two UARTs allow concurrent GPS and Bluetooth modem links, and the 16-channel ADC scans multiple analog sensors at programmable rates with hardware-triggered capture.
推荐
推荐产品汇总
工程参考数据： PIC24HJ128GP310-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 | PIC24HJ128GP310A-I/PT | PIC24HJ128GP510-I/PT | PIC24HJ128GP210-I/PT | PIC24HJ128GP310A-E/PT | PIC24HJ128GP310T-I/PT |
|---|---|---|---|---|---|---|
| Package | TQFP-100 (12x12 mm) | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same | TQFP-100 (12x12 mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory (Flash) | 128 KB | 128 KB | 128 KB | 64 KB | 128 KB | 128 KB |
| SRAM | 8 KB | 8 KB | 8 KB | 4 KB | 8 KB | 8 KB |
| CPU Performance | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| CAN Peripheral | No | No | Yes (CAN 2.0B) | No | No | No |
| Temperature Grade | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C | Industrial -40C to +85C |
| I/O Pins | 85 | 85 | 85 | 85 | 85 | 85 |
关键差异点
- Dual PGECx/PGEDx programming pairs （对比 PIC24HJ128GP210-I/PT)
- Larger SRAM vs cost-down sibling （对比 PIC24HJ128GP210-I/PT)
- No CAN peripheral (cost-optimized) （对比 PIC24HJ128GP510-I/PT)
- Industrial temperature grade （对比 PIC24HJ128GP310A-E/PT)
设计说明
The PIC24HJ128GP310-I/PT requires each VDD/VSS pair to be connected and decoupled with 100 nF ceramic capacitors placed within 5 mm of the package pins, plus a single bulk 10 uF tantalum or ceramic capacitor on each VDD rail. The AVDD/AVSS analog supply pins must be filtered with a ferrite bead or 10 ohm resistor and decoupled separately from the digital supply to keep ADC sampling noise below 1 LSB. According to the Microchip PIC24HJ128GP310 datasheet, all VDD pins must be powered even if individual I/O banks appear unused. Operating the device with floating VDD pins causes Flash read errors and unexpected ADC reference drift.
Route the PGECx/PGEDx pairs (pins 16-19) as matched-length differential traces with ground keep-out on both sides to avoid ICSP programming failures in production. Per the PIC24HJ128GP310 datasheet programming specification, if PGEC2 is used for ICSPCLK then PGED2 must be paired with it on the same physical connector; mismatched pair selection is a common field-return cause. Leave a 6-pin ICSP header footprint on every board even if programming is done at the factory, because field firmware updates are common in industrial deployments. Keep PGECx/PGEDx traces at least 5 mm away from PWM switching nodes to prevent programming glitches from capacitive coupling.
When using the 16-channel 12-bit ADC at 500 ksps, ensure analog input traces are routed over a continuous ground plane and kept short to minimize track capacitance. Add a 10 nF ceramic capacitor directly at each active analog input pin to filter RF pickup; surface-mount capacitors placed within 3 mm of the pin deliver a -3 dB corner near 5 MHz. Use the AVSS ground reference for the ADC return current rather than the digital VSS to avoid ground-bounce noise coupling into conversion results.
Do not use the PIC24HJ128GP310-I/PT for CAN bus applications without migrating to the PIC24HJ128GP510-I/PT sibling; the 'GP310 has no CAN peripheral and software bit-banging CAN is unreliable at standard bus speeds. Also avoid using the 32.768 kHz secondary oscillator as the system clock source - it is intended only for RTC and low-power wake-up, and code timing will be off by a factor of ~1200 if the PLL is bypassed by mistake. Estimated: at 40 MIPS core speed and 3.3 V VDD, the active current draw is approximately 30 mA, while sleep mode drops below 20 uA - design the power supply for at least 50 mA peak with adequate bulk capacitance to handle PWM-driven switching transients.
合规信息
RoHS-compliant per Microchip product page. Industrial temperature grade only; not AEC-Q100 qualified - choose AEC-Q100-qualified variants for automotive deployments. Halogen-free status not stated in verified web data.
