DSPIC33EP256MU810-E/PT - 16-bit DSC, 256KB Flash, USB | Microchip
MPN: DSPIC33EP256MU810-E/PT ✓ Hoạt độngDSPIC33EP256MU810-E/PT Tóm tắt
A Digital Signal Controller (DSC) is a hybrid device that combines the deterministic interrupt-driven architecture of a microcontroller with the high-throughput computational capability of a digital signal processor (DSP). In the broader system taxonomy, a DSC belongs to the microcontroller family, which sits within embedded processors, then semiconductor ICs, and finally the power management and control hierarchy used in motor control, power conversion, and digital audio systems. The 'E' suffix indicates an extended temperature grade of -40 °C to +125 °C, while the 'PT' suffix denotes the 12 x 12 mm 100-pin TQFP surface-mount package with 0.5 mm pitch.
Key features include integrated USB 2.0 full-speed OTG, two CAN modules, up to 15 DMA channels, 27 timers (nine 16-bit and eighteen 32-bit), a 16-channel 12-bit ADC with up to 500 ksps conversion, five 16-bit PWM generators with dedicated time bases and up to 8 output channels, and four compare/PWM modules with dual-edge capability. The 70 MIPS core can execute a 16x16 multiply in one cycle and supports fractional arithmetic (1.15 format) via the XAGU and DSP engine.
Typical applications include precision motor control (BLDC, PMSM, AC induction, switched reluctance), digital power conversion (PFC, LLC, phase-shifted full-bridge), automotive body and chassis ECUs, industrial drives, photovoltaic inverters, and USB-connected embedded devices. Design considerations include the need for a stable 3.3 V analog supply for the ADC, decoupling on every VDD/VSS pair, and a JTAG or PG/PG interface for in-circuit programming.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP256MU810-E/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 DSPIC33EP256MU810-E/PT (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, ADC, Operating Temperature, Timers.
DSPIC33EP256MU810-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP256MU810T-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP256MU810-E/PTC01
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP256MC506-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP256MU810-E/PTVAO
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33CK512MPT608-E/PT
✅ Drop-In📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP256GP504-I/ML
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP256MU810-E/PT Tỷ lệ tối đa & tính chất điện
| Core | dsPIC33E DSC (16-bit DSP-enhanced) |
| Maximum CPU Speed | 70 MIPS at 3.3 V |
| Tần số xung maksimum | 60 MHz |
| Program Memory (Flash) | 256 KB |
| Data Memory (SRAM) | 28 KB |
| Operating Voltage | 3.0 V to 3.6 V |
| I/O Pins | 51 |
| DMA Channels | Up to 15 |
| Timers | 27 total (9 x 16-bit + 18 x 32-bit) |
| PWM Channels | Up to 8 output, 5 generators |
| ADC | 12-bit, up to 16 channels, 500 ksps |
| Communication Interfaces | USB 2.0 FS OTG, 2x CAN, UART, SPI, I2C |
| Nhiệt độ hoạt động | -40 °C to +125 °C (E grade) |
| Hộp | 100-pin TQFP (PT) 12x12 mm, 0.5 mm pitch |
| Kiểu lắp đặt | Surface Mount |
| Cấp MSL | 3 (168 hours) |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
Cấu hình chân DSPIC33EP256MU810-E/PT
| Chân 1 | RP15/PWM4H/PMCS1/RB15 — Remappable I/O / PWM / parallel master chip select |
| Chân 2 | RP14/PWM3L/PMCS2/RB14 — Remappable I/O / PWM / parallel master chip select |
| Chân 3 | RP13/AN11/RB13 — Remappable I/O / analog input 11 |
| Chân 4 | RP12/AN12/RB12 — Remappable I/O / analog input 12 |
| Chân 5 | RP11/AN13/RB11 — Remappable I/O / analog input 13 |
| Chân 6 | RP10/AN14/RB10 — Remappable I/O / analog input 14 |
| Chân 7 | RP9/AN15/RB9 — Remappable I/O / analog input 15 |
| Chân 8 | RP8/AN16/RB8 — Remappable I/O / analog input 16 |
| Chân 9 | RP7/AN17/RB7 — Remappable I/O / analog input 17 |
| Chân 10 | RP6/AN18/RB6 — Remappable I/O / analog input 18 |
| Chân 11 | RP5/AN19/RB5 — Remappable I/O / analog input 19 |
| Chân 12 | RP4/AN20/RB4 — Remappable I/O / analog input 20 |
| Chân 13 | RP3/AN21/RB3 — Remappable I/O / analog input 21 |
| Chân 14 | RP2/AN22/RB2 — Remappable I/O / analog input 22 |
| Chân 15 | RP1/AN23/RB1 — Remappable I/O / analog input 23 |
| Chân 16 | OSCI/CLKI/RC12 — Oscillator crystal input / external clock |
| Chân 17 | OSCO/CLKO/RC15 — Oscillator crystal output |
| Chân 18 | VSS — Ground reference |
| Chân 19 | VDD — Digital supply 3.0-3.6 V |
| Chân 20 | MCLR — Master clear (reset) input, active-low |
| Chân 21 | TMS/RP20/PMCS1/RC4 — JTAG test mode select / remappable I/O |
| Chân 22 | TCK/RP19/PMCS2/RC3 — JTAG test clock / remappable I/O |
| Chân 23 | TDI/RP18/RC2 — JTAG test data in / remappable I/O |
| Chân 24 | TDO/RP17/RC1 — JTAG test data out / remappable I/O |
| Chân 25 | AVDD — Analog supply 3.0-3.6 V for ADC |
| Chân 26 | AVSS — Analog ground for ADC |
| Chân 27 | VREF+/CVREF+/AN0/RA0 — ADC positive reference / analog input 0 |
| Chân 28 | VREF-/CVREF-/AN1/RA1 — ADC negative reference / analog input 1 |
| Chân 29 | AN2/RA2 — Analog input 2 |
| Chân 30 | AN3/RA3 — Analog input 3 |
| Chân 31 | AN4/RA4 — Analog input 4 |
| Chân 32 | AN5/RA5 — Analog input 5 |
| Chân 33 | AN6/RA6 — Analog input 6 |
| Chân 34 | AN7/RA7 — Analog input 7 |
| Chân 35 | AN8/RA8 — Analog input 8 |
| Chân 36 | AN9/RA9 — Analog input 9 |
| Chân 37 | AVSS — Analog ground |
| Chân 38 | AVDD — Analog supply 3.0-3.6 V |
| Chân 39 | VDD — Digital supply 3.0-3.6 V |
| Chân 40 | VSS — Ground reference |
| Chân 41 | DML/RC10 — USB D- line (full-speed) |
| Chân 42 | DPL/RC9 — USB D+ line (full-speed) |
| Chân 43 | VBUS/RC8 — USB VBUS detection input |
| Chân 44 | VBUSON/AN24/RC7 — USB VBUS power enable output / analog input |
| Chân 45 | VCAP/RC5 — Internal voltage regulator output, 1.8 V core; requires 10 uF cap |
| Chân 46 | RP0/PWM1H/RD0 — Remappable I/O / PWM 1H high output |
| Chân 47 | RP1/PWM1L/RD1 — Remappable I/O / PWM 1L low output |
| Chân 48 | RP2/PWM2H/RD2 — Remappable I/O / PWM 2H high output |
| Chân 49 | RP3/PWM2L/RD3 — Remappable I/O / PWM 2L low output |
| Chân 50 | RP4/PWM3H/RD4 — Remappable I/O / PWM 3H high output |
| Chân 51 | RP5/PWM3L/RD5 — Remappable I/O / PWM 3L low output |
| Chân 52 | RP6/PWM4H/RD6 — Remappable I/O / PWM 4H high output |
| Chân 53 | RP7/PWM4L/RD7 — Remappable I/O / PWM 4L low output |
| Chân 54 | RP9/RD9 — Remappable I/O |
| Chân 55 | RP10/RD10 — Remappable I/O |
| Chân 56 | RP11/RD11 — Remappable I/O |
| Chân 57 | RP12/RD12 — Remappable I/O |
| Chân 58 | RP13/RD13 — Remappable I/O |
| Chân 59 | RP14/RD14 — Remappable I/O |
| Chân 60 | RP15/RD15 — Remappable I/O |
| Chân 61 | VSS — Ground reference |
| Chân 62 | VDD — Digital supply 3.0-3.6 V |
| Chân 63 | RP0/RE0 — Remappable I/O |
| Chân 64 | RP1/RE1 — Remappable I/O |
| Chân 65 | RP2/RE2 — Remappable I/O |
| Chân 66 | RP3/RE3 — Remappable I/O |
| Chân 67 | RP4/RE4 — Remappable I/O |
| Chân 68 | RP5/RE5 — Remappable I/O |
| Chân 69 | RP6/RE6 — Remappable I/O |
| Chân 70 | RP7/RE7 — Remappable I/O |
| Chân 71 | RF0/PWM5H — Remappable I/O / PWM 5H high output |
| Chân 72 | RF1/PWM5L — Remappable I/O / PWM 5L low output |
| Chân 73 | C1IN-/AN25/RE9 — Comparator 1 negative input / analog input 25 |
| Chân 74 | C1IN+/AN26/RE10 — Comparator 1 positive input / analog input 26 |
| Chân 75 | C1OUT/RE11 — Comparator 1 output |
| Chân 76 | C2IN-/AN27/RE12 — Comparator 2 negative input / analog input 27 |
| Chân 77 | C2IN+/AN28/RE13 — Comparator 2 positive input / analog input 28 |
| Chân 78 | C2OUT/RE14 — Comparator 2 output |
| Chân 79 | VDD — Digital supply 3.0-3.6 V |
| Chân 80 | VSS — Ground reference |
| Chân 81 | CAN1RX1/RF4 — CAN 1 receive |
| Chân 82 | CAN1TX1/RF5 — CAN 1 transmit |
| Chân 83 | CAN2RX1/RF6 — CAN 2 receive |
| Chân 84 | CAN2TX1/RF7 — CAN 2 transmit |
| Chân 85 | SDA1/RG3 — I2C 1 data |
| Chân 86 | SCL1/RG2 — I2C 1 clock |
| Chân 87 | SDA2/RG1 — I2C 2 data |
| Chân 88 | SCL2/RG0 — I2C 2 clock |
| Chân 89 | U1CTS/RF8 — UART 1 clear-to-send |
| Chân 90 | U1RTS/RF3 — UART 1 request-to-send |
| Chân 91 | U1RX/RF2 — UART 1 receive |
| Chân 92 | U1TX/RF1 — UART 1 transmit |
| Chân 93 | U2CTS/RG9 — UART 2 clear-to-send |
| Chân 94 | U2RTS/RG8 — UART 2 request-to-send |
| Chân 95 | U2RX/RG7 — UART 2 receive |
| Chân 96 | U2TX/RG6 — UART 2 transmit |
| Chân 97 | SPI1SCK/RG0 — SPI 1 clock (alt mapping) |
| Chân 98 | SPI1SDI/RG7 — SPI 1 data in (alt mapping) |
| Chân 99 | SPI1SDO/RG8 — SPI 1 data out (alt mapping) |
| Chân 100 | SPI1SS/RG6 — SPI 1 slave select (alt mapping) |
Ứng dụng tiêu biểu
DSPIC33EP256MU810-E/PT phù hợp cho 6 Áp dụngs: 3-Phase BLDC and PMSM Motor Control, Digital Switch-Mode Power Supply (SMPS) Control, USB-Connected Industrial Embedded Devices, Automotive Body and Chassis ECU, Industrial Sensor Hub and Data Acquisition, Photovoltaic Inverter Control.
3-Phase BLDC and PMSM Motor Control
The DSPIC33EP256MU810-E/PT's 70 MIPS DSP engine, 5 PWM generators with up to 8 outputs, and 12-bit ADC at 500 ksps make it ideal for field-oriented control of brushless DC and permanent-magnet synchronous motors. According to the Microchip datasheet, the integrated DSP engine executes Park and Clarke transforms in a single cycle, enabling FOC loop closure at 10-20 kHz. The dual CAN interfaces also let multiple axes share a real-time industrial bus.
Được đề xuất
Digital Switch-Mode Power Supply (SMPS) Control
The DSPIC33EP256MU810-E/PT drives digital control loops for PFC, LLC, and phase-shifted full-bridge converters. With 70 MIPS of headroom, dedicated PWM generators with 16.67 ns resolution, and 12-bit ADCs sampling at 500 ksps, the DSC closes voltage and current loops with deterministic interrupt latency under 100 ns. The USB peripheral also enables in-field firmware and telemetry updates for grid-tied inverters.
Được đề xuất
USB-Connected Industrial Embedded Devices
The integrated USB 2.0 full-speed On-The-Go transceiver makes the DSPIC33EP256MU810-E/PT a natural fit for industrial USB peripherals such as data loggers, programmable sensor hubs, and human-interface devices. The 256 KB Flash supports USB stacks (Microchip MLA) with room for application firmware, while the dual CAN interfaces extend connectivity to factory-floor networks without additional chips.
Được đề xuất
Automotive Body and Chassis ECU
With extended -40 to +125 °C temperature grade, dual CAN 2.0B modules, and LIN/UART capability, the DSPIC33EP256MU810-E/PT handles automotive body control, HVAC actuators, and chassis subsystems. The 256 KB Flash stores OBD-II diagnostics and bootloader firmware; the dedicated PWM generators drive brushed and brushless DC actuators with hardware dead-time control. AEC-Q100 grade is not explicitly listed; consult Microchip for the latest automotive qualification status.
Được đề xuất
Industrial Sensor Hub and Data Acquisition
The 16-channel 12-bit ADC at 500 ksps, 15 DMA channels, and 27 timers make the DSPIC33EP256MU810-E/PT well-suited to multi-sensor industrial acquisition nodes. According to the Microchip datasheet, the DMA can autonomously stream ADC samples into SRAM, freeing the CPU for statistical analysis. The USB OTG plus Ethernet-capable UARTs (via external PHY) connect the hub to plant SCADA systems.
Được đề xuất
Photovoltaic Inverter Control
The DSPIC33EP256MU810-E/PT controls grid-tied photovoltaic inverters where the DSC executes MPPT algorithms, anti-islanding detection, and grid synchronization in real time. With 70 MIPS, 256 KB Flash for the MPPT plus grid-code logic, and high-resolution PWM for the IGBT bridge, the part supports single-phase and three-phase topologies. The USB OTG enables local commissioning via laptops without a separate UART-to-USB bridge.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP256MU810-E/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 | DSPIC33EP256MU810-I/PT | DSPIC33EP256MC506-E/PT | DSPIC33CK512MPT608-E/PT | DSPIC33EP256MU810T-E/PT |
|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | TQFP-100 (PT) 12x12 mm | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same | TQFP-100 (PT) - same |
| CPU Core | dsPIC33E DSC @ 70 MIPS | dsPIC33E DSC @ 70 MIPS | dsPIC33E DSC @ 70 MIPS | dsPIC33CK DSC @ 100 MIPS | dsPIC33E DSC @ 70 MIPS |
| Flash Memory | 256 KB | 256 KB | 256 KB | 512 KB | 256 KB |
| SRAM | 28 KB | 28 KB | 16 KB | 48 KB | 28 KB |
| USB | USB 2.0 FS OTG | USB 2.0 FS OTG | No USB | USB 2.0 FS OTG | USB 2.0 FS OTG |
| CAN Modules | 2 | 2 | 2 | 3 | 2 |
| PWM Generators / Outputs | 5 generators / 8 outputs | 5 generators / 8 outputs | 8 generators / 14 outputs | 8 generators / 16 outputs | 5 generators / 8 outputs |
| Temperature Grade | -40 C to +125 C (E) | -40 C to +85 C (I) | -40 C to +125 C (E) | -40 C to +125 C (E) | -40 C to +125 C (E) |
Bảo phân biệt quan trọng
- Integrated USB 2.0 OTG plus dual-CAN in a single 100-pin TQFP (vsDSPIC33EP256MC506-E/PT)
- Extended -40 to +125 C temperature grade as standard (vsDSPIC33EP256MU810-I/PT)
- dsPIC33E firmware-compatible upgrade path to 100 MHz dsPIC33CK (vsDSPIC33CK512MPT608-E/PT)
- 5 PWM generators with 16.67 ns resolution for motor and power control (vsDSPIC33EP256GP504-I/ML)
Ghi chú thiết kế
Estimated: Power dissipation at 70 MIPS and 3.3 V with all peripherals active is approximately 60 mA (198 mW). Decouple each VDD/VSS pair with a 100 nF ceramic plus a 10 uF bulk; the VCAP pin (1) requires a 10 uF low-ESR capacitor to ground within 0.25 inch of the pin to stabilize the internal 1.8 V regulator. AVDD must be tied to VDD through a ferrite bead if ADC noise exceeds 1 LSB.
The 100-pin TQFP (PT) uses a 0.5 mm pitch and 12x12 mm footprint with a thermal pad on the underside that is NOT electrically connected. Solder the thermal pad to a copper pour to reduce junction temperature; at 200 mW total dissipation this is optional but recommended at high ambient. Keep analog traces (AN0-AN28, VREF+, VREF-) short and isolated from PWM switching traces; place the AVSS reference ground star at the ADC reference pin.
The USB D+/D- pair (DPL/DML, pins 42/41) must be routed as a 90-ohm differential pair with matched length within 150 mil and continuous reference plane; place the 15 kohm pull-down on D+ only if using device mode (not OTG). The oscillator pins (OSCI/OSCO, 16/17) require a guard ground ring and short traces within 0.2 inch of the pins; use a crystal matched to the dsPIC33E oscillator load capacitance specification.
Do not skip the VCAP capacitor - without it the internal 1.8 V regulator will oscillate and the part will fail to start. The MCLR pin (20) requires a 10 kohm pull-up to VDD; leaving it unconnected can cause intermittent resets. The PG/PGD programming pins are shared with JTAG and can be remapped; if using JTAG boundary scan, lock the alternate mapping via configuration bits to prevent debugger interference.
Estimated: Theta_JA for the TQFP-100 (PT) package on a 4-layer JEDEC test board is approximately 35 C/W. At full 200 mW dissipation and +125 °C ambient, the junction temperature stays within the 150 °C limit (175 C rise + 125 C = 150 C), but at +85 C industrial applications full-power dissipation is fine. For enclosed enclosures with limited airflow, reduce peripheral clock rates or enable sleep mode between control loops.
Thông tin tuân thủ
RoHS and REACH compliance per Microchip product page. AEC-Q100 qualification not explicitly confirmed for this specific variant in the verified web data - consult Microchip product selector for automotive-grade ordering codes.
