DSPIC33FJ256MC710A-I/PT - 16-bit 40MIPS Motor Control DSC | Microchip
MPN: DSPIC33FJ256MC710A-I/PT ✓ Hoạt độngDSPIC33FJ256MC710A-I/PT Tóm tắt
A Digital Signal Controller combines the control peripherals of a microcontroller (MCU) with the multiply-accumulate computational throughput of a Digital Signal Processor (DSP) in a single chip. Within the power-management hierarchy, the dsPIC33F Motor Control family sits between general-purpose 16-bit MCUs and dedicated DSPs, offering deterministic real-time control loops for motors and power conversion. This seamless migration position lets designers move between PIC24 MCUs and dsPIC30F/33F DSCs in similar packages without redesign.
Key features include the 16-bit dsPIC33F CPU core with DSP engine, 256 KB of self-programmable flash and 30 KB SRAM, an 8-channel motor-control PWM module with dead-time generation, multiple UART, SPI and I2C serial ports, a CAN 2.0B controller, a 10-bit high-speed ADC, and industrial -40C to +85C operating range. The A-suffix family improves errata over the original dsPIC33FJ256MC710.
Architecturally, the modified Harvard 16-bit core executes most instructions in a single cycle, with X and Y data memories supporting dual-operand DSP addressing. The motor-control PWM provides complementary outputs with programmable dead time and fault inputs, while the DMA keeps ADC-to-PWM update loops deterministic.
Typical applications include brushless DC motor control, single- and three-phase induction motor drives, switched reluctance motors, UPS and inverter control, and universal motor control - precisely the markets Microchip targets with this family.
When designing, place a low-ESR capacitor on the VCAP/VDDCORE pin and follow the datasheet decoupling guidance; PGC/PGD programming pins should be kept short for in-circuit programming via ICSP.
This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ256MC710A-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 DSPIC33FJ256MC710A-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Operating Temperature, ADC, Maximum CPU Speed.
DSPIC33FJ256MC710A-E/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128MC710-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128MC710T-I/PF
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ256GP510T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ256MC710A-I/PT Tỷ lệ tối đa & tính chất điện
| Core | dsPIC33F 16-bit DSC |
| Maximum CPU Speed | 40 MIPS |
| Flash Memory | 256 KB |
| SRAM | 30 KB |
| Supply Voltage Range | 3.0 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +85C (Industrial, I grade) |
| Hộp | 100-pin TQFP (12 x 12 mm), PT suffix |
| Kiểu lắp đặt | Surface Mount |
| CAN Controller | Yes (CAN 2.0B) |
| Motor Control PWM | 8-channel motor-control PWM with dead time |
| ADC | 10-bit high-speed ADC |
| Serial Interfaces | UART, SPI, I2C |
| Programming Interface | ICSP (2-wire PGEC/PGED) |
| Family Features | Motor Control and Advanced Analog |
| Application Focus | BLDC, induction motor, switched reluctance motor control |
| Trạng thái RoHS | Compliant |
Cấu hình chân DSPIC33FJ256MC710A-I/PT
| Chân 1 | MCLR — Master clear reset (active low) / programming voltage input |
| Chân 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / change notification / port B |
| Chân 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / port B |
| Chân 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI1 slave select / port B |
| Chân 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index input / port B |
| Chân 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / QEI phase A / input capture 7 / port B |
| Chân 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / QEI phase B / input capture 8 / port B |
| Chân 8 | AN6/OCFA/RB6 — Analog input 6 / PWM fault A input / port B |
| Chân 9 | AN7/OCFB/RB7 — Analog input 7 / PWM fault B input / port B |
| Chân 10 | VSS — Ground reference |
| Chân 11 | VDD — Power supply (3.0 V - 3.6 V) |
| Chân 12 | AN8/RP15/RB8 — Analog input 8 / peripheral pin select RP15 / port B |
| Chân 13 | AN9/RP14/RB9 — Analog input 9 / PPS RP14 / port B |
| Chân 14 | AN10/RP13/RB10 — Analog input 10 / PPS RP13 / port B |
| Chân 15 | AN11/RP12/RB11 — Analog input 11 / PPS RP12 / port B |
| Chân 16 | VSS — Ground reference |
| Chân 17 | VDD — Power supply |
| Chân 18 | AN12/RP11/RB12 — Analog input 12 / PPS RP11 / port B |
| Chân 19 | AN13/RP10/RB13 — Analog input 13 / PPS RP10 / port B |
| Chân 20 | AN14/RP9/RB14 — Analog input 14 / PPS RP9 / port B |
| Chân 21 | AN15/RP8/RB15 — Analog input 15 / PPS RP8 / port B |
| Chân 22 | VCAP/VDDCORE — CPU core supply decoupling capacitor pin |
| Chân 23 | AVDD — Analog power supply |
| Chân 24 | AVSS — Analog ground |
| Chân 25 | TCK/RC1 — JTAG test clock / port C |
| Chân 26 | TDI/RC2 — JTAG test data input / port C |
| Chân 27 | TDO/RC3 — JTAG test data output / port C |
| Chân 28 | TMS/RC4 — JTAG test mode select / port C |
| Chân 29 | SOSC1/T1CK/CN0/RC12 — Secondary oscillator input / Timer1 clock / port C |
| Chân 30 | SOSC2/T5CK/CN1/RC13 — Secondary oscillator output / Timer5 clock / port C |
| Chân 31 | RD0/CN21/PMD0 — Port D / change notification / parallel master port data 0 |
| Chân 32 | RD1/CN20/PMD1 — Port D / PMP data 1 |
| Chân 33 | RD2/CN19/PMD2 — Port D / PMP data 2 |
| Chân 34 | RD3/CN18/PMD3 — Port D / PMP data 3 |
| Chân 35 | RD4/CN42/PMD4 — Port D / PMP data 4 |
| Chân 36 | RD5/CN41/PMD5 — Port D / PMP data 5 |
| Chân 37 | RD6/CN40/PMD6 — Port D / PMP data 6 |
| Chân 38 | RD7/CN39/PMD7 — Port D / PMP data 7 |
| Chân 39 | RF12/SDI2/RP89 — SPI2 data in / PPS RP89 / port F |
| Chân 40 | RF13/SDO2/RP78 — SPI2 data out / PPS RP78 / port F |
| Chân 41 | RF2/U1RX/SDI1/RP75 — UART1 receive / SPI1 data in / PPS RP75 |
| Chân 42 | RF3/U1TX/SDO1/RP76 — UART1 transmit / SPI1 data out / PPS RP76 |
| Chân 43 | RF4/U1CTS/SDA1/RP97 — UART1 clear-to-send / I2C1 data / PPS RP97 |
| Chân 44 | RF5/U1RTS/SCL1/RP98 — UART1 request-to-send / I2C1 clock / PPS RP98 |
| Chân 45 | RG0/CSDI/RP99 — Port G / SPI data in / PPS RP99 |
| Chân 46 | RG1/CSCK/RP100 — Port G / SPI clock / PPS RP100 |
| Chân 47 | RG3/CSDO/RP101 — Port G / SPI data out / PPS RP101 |
| Chân 48 | VDD — Power supply |
| Chân 49 | OSC1/CLKI/CN30/RA2 — Primary oscillator input / external clock in / port A |
| Chân 50 | OSC2/CLKO/CN31/RA3 — Primary oscillator output / clock out / port A |
| Chân 51 | RG2/U3RX/CN32/RP58 — UART3 receive / port G / PPS RP58 |
| Chân 52 | RG3/U3TX/CN33/RP59 — UART3 transmit / port G / PPS RP59 |
| Chân 53 | VSS — Ground reference |
| Chân 54 | RD8/RP70 — Port D / PPS RP70 |
| Chân 55 | RD9/RP71 — Port D / PPS RP71 |
| Chân 56 | RD10/RP72 — Port D / PPS RP72 |
| Chân 57 | RD11/RP73 — Port D / PPS RP73 |
| Chân 58 | RG6/U2TX/SCL2/RP17 — UART2 transmit / I2C2 clock / PPS RP17 |
| Chân 59 | RG7/U2RX/SDA2/RP18 — UART2 receive / I2C2 data / PPS RP18 |
| Chân 60 | RG8/U2RTS/SDI2/RP19 — UART2 RTS / SPI2 data in / PPS RP19 |
| Chân 61 | RG9/U2CTS/SDO2/RP26 — UART2 CTS / SPI2 data out / PPS RP26 |
| Chân 62 | VSS — Ground reference |
| Chân 63 | VDD — Power supply |
| Chân 64 | RF6/IC4/U4TX/RP53 — Input capture 4 / UART4 transmit / PPS RP53 |
| Chân 65 | RF7/IC3/U4RX/RP54 — Input capture 3 / UART4 receive / PPS RP54 |
| Chân 66 | RF8/OC4/RP55 — Output compare 4 / PPS RP55 |
| Chân 67 | RF1/OC5/RP56 — Output compare 5 / PPS RP56 |
| Chân 68 | RG7/CN20/RP60 — Port G / change notification / PPS RP60 |
| Chân 69 | RG8/CN21/RP61 — Port G / change notification / PPS RP61 |
| Chân 70 | RG9/CN22/RP62 — Port G / change notification / PPS RP62 |
| Chân 71 | VSS — Ground reference |
| Chân 72 | PWM1L — Motor control PWM 1 low-side output |
| Chân 73 | PWM1H — Motor control PWM 1 high-side output |
| Chân 74 | PWM2L — Motor control PWM 2 low-side output |
| Chân 75 | PWM2H — Motor control PWM 2 high-side output |
| Chân 76 | PWM3L — Motor control PWM 3 low-side output |
| Chân 77 | PWM3H — Motor control PWM 3 high-side output |
| Chân 78 | PWM4L — Motor control PWM 4 low-side output |
| Chân 79 | PWM4H — Motor control PWM 4 high-side output |
| Chân 80 | FLTA — PWM fault A input |
| Chân 81 | FLTB — PWM fault B input |
| Chân 82 | RE0/CN8/PMCS1 — Port E / change notification / PMP chip select 1 |
| Chân 83 | RE1/CN9/PMCS2 — Port E / PMP chip select 2 |
| Chân 84 | RE2/CN10/PMWR — Port E / PMP write strobe |
| Chân 85 | RE3/CN11/PMRD — Port E / PMP read strobe |
| Chân 86 | RE4/CN12/PMEN — Port E / PMP enable |
| Chân 87 | RE5/CN13 — Port E / change notification |
| Chân 88 | RE6/CN14 — Port E / change notification |
| Chân 89 | RE7/CN15 — Port E / change notification |
| Chân 90 | RA0/T2CK/CN1 — Port A / Timer2 clock / change notification |
| Chân 91 | RA1/T3CK/CN2 — Port A / Timer3 clock / change notification |
| Chân 92 | RA4/T4CK/CN3 — Port A / Timer4 clock / change notification |
| Chân 93 | RA9/VREF+/CN5 — Port A / ADC reference+ / change notification |
| Chân 94 | RA10/VREF-/CN6 — Port A / ADC reference- / change notification |
| Chân 95 | RB5/CN7/PMA0 — Port B / PMP address 0 |
| Chân 96 | RB6/CN8/PMA1 — Port B / PMP address 1 |
| Chân 97 | RB7/CN9/PMA2 — Port B / PMP address 2 |
| Chân 98 | RB8/CN10/PMA3 — Port B / PMP address 3 |
| Chân 99 | RB9/CN11/PMA4 — Port B / PMP address 4 |
| Chân 100 | RB10/CN12/PMA5 — Port B / PMP address 5 |
Ứng dụng tiêu biểu
DSPIC33FJ256MC710A-I/PT phù hợp cho 6 Áp dụngs: Brushless DC Motor Control, Single- and Three-Phase Induction Motor Drives, Switched Reluctance Motor (SRM) Drives, UPS and Inverter Power Conversion, Universal Motor Control (Appliances), Industrial Automation and CAN Networking Nodes.
Brushless DC Motor Control
The DSPIC33FJ256MC710A-I/PT is purpose-built for BLDC drives: its 8-channel motor-control PWM generates three complementary half-bridge output pairs with programmable dead time and cycle-by-cycle current limiting via fault inputs. The 10-bit high-speed ADC samples phase currents synchronized to the PWM center, while the 40 MIPS DSP core executes field-oriented control (FOC) or trapezoidal commutation with deterministic timing. Typical firmware runs the current loop at 20-50 kHz using MAC instructions for PI and Clarke/Park transforms. DMA transfers ADC results without CPU overhead, and CAN 2.0B connects the drive to higher-level industrial networks.
Được đề xuất
Single- and Three-Phase Induction Motor Drives
For AC induction motor control, the DSPIC33FJ256MC710A-I/PT supplies the V/f and sensorless vector-control algorithms typical of industrial drives. The motor-control PWM provides complementary outputs with dead-time insertion required by IGBT/MOSFET bridges, and the ADC captures DC-bus current and voltage for control feedback. The 40 MIPS core leaves ample margin for slip compensation and field weakening. According to Microchip, the family explicitly supports single- and three-phase induction motors, and the 256 KB flash accommodates full vector-control stacks plus communication protocols such as CAN 2.0B for building automation or pump/fan integration.
Được đề xuất
Switched Reluctance Motor (SRM) Drives
SRM drives demand phase-by-phase torque control with accurate rotor position tracking, which the DSPIC33FJ256MC710A-I/PT handles with its quadrature encoder interface (QEA/QEB inputs), high-speed ADC, and independent PWM channel control. The 40 MIPS core processes position-estimation algorithms such as inductance-slope sensing in real time. Microchip lists switched reluctance motors as a supported application for this family. The 256 KB flash retains full control tables and compensation firmware, while the industrial -40C to +85C rating suits traction and industrial environments where SRMs are common.
Được đề xuất
UPS and Inverter Power Conversion
The DSPIC33FJ256MC710A-I/PT serves as the digital controller in uninterruptible power supplies and DC-AC inverters. Its motor-control PWM module doubles as a general high-resolution inverter PWM generator with complementary outputs and dead time, while the ADC simultaneously samples output voltage, load current, and battery bus for closed-loop sine-wave regulation. The 40 MIPS DSP engine executes PR (proportional-resonant) controllers and harmonic compensation filters using MAC operations. CAN 2.0B and multiple UARTs support parallel-UPS communication, and the 256 KB flash stores firmware plus event logs for service diagnostics.
Được đề xuất
Universal Motor Control (Appliances)
Microchip markets this family as well-suited for universal motor control in appliances such as washers, vacuums, and power tools. The DSPIC33FJ256MC710A-I/PT reads triac or MOSFET bridge feedback through the ADC, generates phase-angle or chopper PWM control, and processes zero-cross detection on input-capture channels. The 40 MIPS core supports sensorless speed estimation and acoustic-noise-reduction algorithms. Its 3.0V-3.6V operation and industrial temperature range survive appliance environments, while the 100-pin TQFP provides enough I/O for user interface, sensor, and communication peripherals on a single controller.
Được đề xuất
Industrial Automation and CAN Networking Nodes
Beyond motors, the DSPIC33FJ256MC710A-I/PT is an effective industrial control node: the integrated CAN 2.0B controller plus UART, SPI, and I2C ports let one chip bridge sensors, actuators, and a factory network. The 256 KB flash hosts protocol stacks (CANopen-style layers) alongside application firmware, and 30 KB SRAM buffers communication and control data. The 100-pin TQFP supplies abundant general-purpose I/O with peripheral pin select for flexible routing. Deterministic 40 MIPS execution supports real-time I/O scanning, making the part suitable for distributed automation equipment and machine sub-controllers.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ256MC710A-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 | DSPIC33FJ256MC710A-E/PT | DSPIC33FJ128MC710-I/PT | DSPIC33FJ256GP510T-I/PT |
|---|---|---|---|---|
| Package | 100-pin TQFP (12 x 12 mm), PT suffix | 100-pin TQFP - same | 100-pin TQFP - same | 100-pin TQFP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Memory | 256 KB | 256 KB | 128 KB | 256 KB |
| SRAM | 30 KB | 30 KB | 30 KB | 30 KB |
| Maximum CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS |
| Family / PWM Type | Motor Control (MC) - complementary motor-control PWM | Motor Control (MC) - same | Motor Control (MC) - same | General Purpose (GP) - standard PWM |
| Operating Temperature | -40C to +85C (I grade) | -40C to +125C (E grade) | -40C to +85C (I grade) | -40C to +85C (I grade) |
| CAN 2.0B | Yes | Yes | Yes | Yes |
Bảo phân biệt quan trọng
- Motor-control complementary PWM with dead time (vsDSPIC33FJ256GP510T-I/PT)
- Double the flash at the same footprint (vsDSPIC33FJ128MC710-I/PT)
- Errata-resolved A-suffix silicon (vsDSPIC33FJ256MC710 (non-A))
Ghi chú thiết kế
The DSPIC33FJ256MC710A-I/PT requires a low-ESR decoupling capacitor on the VCAP/VDDCORE pin (pin 22) to stabilize the internal 1.8V core regulator - typically 10 uF electrolytic/tantalum with a small ceramic in parallel per the datasheet decoupling guidance. Supply the 3.3V rail within 3.0V-3.6V; keep AVDD/AVSS on a separate filtered analog supply or ferrite bead from digital VDD, since ADC accuracy on the 10-bit converter depends directly on AVDD ripple.
For motor-control layouts, route PWM1H/L through PWM4H/L outputs as short, matched pairs to the gate drivers and keep high-current inverter switching paths away from the 10-bit ADC analog inputs (AN0-AN15). Place PGEC/PGD programming pins on accessible test points or a 5-pin ICSP header; if these pins are shared with application circuitry, add series resistors so in-circuit programming via PICkit 3 / ICD 3 / REAL ICE remains reliable in assembled boards.
MCLR must be held low during power-up until VDD is stable - do not power it from a slow-rising rail without supervision. The primary oscillator (OSC1/OSC2) and PLL settings determine the 40 MIPS rate: an incorrect PLL configuration can lock the chip out of ICSP, so use the MPLAB config-bit settings recommended in Microchip's programming specifications. When migrating from the non-A dsPIC33FJ256MC710, review the A-suffix errata/datasheet differences before reusing old config-word values.
Thông tin tuân thủ
RoHS compliance per Microchip standard product status; REACH and halogen-free status not stated in provided data.
