DSPIC33EP128MU206-I/PT - 16-bit DSC 128KB Flash 70MIPS | Microchip
MPN: DSPIC33EP128MU206-I/PT ✓ Hoạt độngDSPIC33EP128MU206-I/PT Tóm tắt
A digital signal controller combines the computational power of a DSP core with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the dsPIC33EP family sits under Microchip's 16-bit architecture family, which descends from the broader digital signal processor product category. DSCs are widely used wherever real-time math-intensive control loops meet general-purpose I/O, such as motor control, digital power conversion, and embedded sensing.
Key features of this part include the 16-bit dsPIC33E core running up to 70 MIPS at 3.3V, an internal fast RC oscillator with PLL for flexible clocking, a 12-bit ADC with multiple sample-and-hold channels, USB OTG support characteristic of the MU sub-family, multiple UART, SPI, and I2C serial ports, and hardware DSP multiply-accumulate instructions for filtering and control algorithms. Embedded flash supports in-circuit self-programming.
Architecturally, the dsPIC33E core uses a modified Harvard bus with dedicated DSP engine, single-cycle MAC, and dual operand fetch, enabling efficient execution of PID loops, FFTs, and FIR/IIR filters. Peripheral Trigger Generator and DMA resources offload CPU bandwidth, keeping deterministic response in closed-loop control applications such as field-oriented motor drive.
Typical applications include BLDC and PMSM motor control, digital SMPS and LED drivers, USB-connected industrial sensors, medical and portable instrumentation, and general embedded control requiring DSP-class math.
Design consideration: budget the internal regulator and decoupling per the manufacturer datasheet, and verify USB timing against the system oscillator configuration.
This page synthesizes distributor pricing context, drop-in same-family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33EP128MU206-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 DSPIC33EP128MU206-I/PT (cùng hình factor và footprint) — khác nhau ở Package, Core, Supply Voltage, Timers, Operating Temperature.
DSPIC33EP256MU206-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP64MU206-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33EP128MU206T-I/PT
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33EP128MC206-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP128GM306-E/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP128MU204T-I/PT
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33EP128MU206-I/PT Tỷ lệ tối đa & tính chất điện
| Core Processor | dsPIC33E 16-bit DSC core |
| Core Size | 16-bit |
| Max CPU Speed | 70 MIPS |
| Program Memory Size | 128 KB Flash |
| RAM Size | 16 KB |
| ADC Resolution | 12-bit |
| Nhiệt độ hoạt động | -40C to +85C (I grade) |
| Hộp | 64-pin TQFP (PT) |
| Kiểu lắp đặt | Surface Mount |
| USB | USB 2.0 OTG (MU sub-family) |
| Oscillator Type | Internal Fast RC + PLL, external crystal |
| Base Product Number | DSPIC33EP128MU206 |
| Packaging | Tray |
| Series | dsPIC33EP |
Cấu hình chân DSPIC33EP128MU206-I/PT
| Chân 1 | MCLR — Master clear reset input / programming voltage |
| Chân 2 | AN0/CN2B/RB0 — Analog input 0 / change notification / port B |
| Chân 3 | AN1/CN3B/RB1 — Analog input 1 / change notification / port B |
| Chân 4 | AN2/SS1/CN4B/RB2 — Analog input 2 / SPI slave select / port B |
| Chân 5 | AN3/CN5B/RB3 — Analog input 3 / port B |
| Chân 6 | AN4/C1IN-/CN6B/RB4 — Analog input 4 / comparator input / port B |
| Chân 7 | AN5/C1IN+/CN7B/RB5 — Analog input 5 / comparator input / port B |
| Chân 8 | VSS — Ground reference |
| Chân 9 | OSC1/CLKI/CN30/RA2 — Oscillator crystal input / external clock |
| Chân 10 | OSC2/CLKO/CN29/RA3/RC15 — Oscillator crystal output / clock output |
| Chân 11 | RG8/CN11 — General purpose I/O port G |
| Chân 12 | RG9/CN12 — General purpose I/O port G |
| Chân 13 | VDD — Positive supply |
| Chân 14 | RG6/SDO2/CN4 — SPI2 data out / port G |
| Chân 15 | RG7/SCK2/INT0/CN5 — SPI2 clock / external interrupt 0 / port G |
| Chân 16 | VCAP/VDDCORE — Core regulator capacitor connection |
| Chân 17 | AN6/RG0 — Analog input 6 / port G |
| Chân 18 | AN7/RG1 — Analog input 7 / port G |
| Chân 19 | AN8/RG2/PWM1L — Analog input 8 / port G / PWM output |
| Chân 20 | AN9/RG3/PWM1H — Analog input 9 / port G / PWM output |
| Chân 21 | VSS — Ground reference |
| Chân 22 | AN10/CVref/RC0/PWM2L — Analog input 10 / comparator voltage reference / port C |
| Chân 23 | AN11/C2IN+/RC1/PWM2H — Analog input 11 / comparator input / port C |
| Chân 24 | AN12/C2IN-/RC2/PWM3L — Analog input 12 / comparator input / port C |
| Chân 25 | AN13/RC3/PWM3H — Analog input 13 / port C |
| Chân 26 | VDD — Positive supply |
| Chân 27 | SOSCI/CN1/RC13 — Secondary oscillator input / port C |
| Chân 28 | SOSCO/T1CK/CN0/RC14 — Secondary oscillator output / Timer1 clock / port C |
| Chân 29 | RF4/U1RX/SDI1/CN17 — UART1 receive / SPI1 data in / port F |
| Chân 30 | RF5/U1TX/SDO1/CN18 — UART1 transmit / SPI1 data out / port F |
| Chân 31 | VBUS — USB bus voltage sense |
| Chân 32 | RD8/RP56 — Remappable peripheral pin / port D |
| Chân 33 | VDD — Positive supply |
| Chân 34 | RD9/RP57 — Remappable peripheral pin / port D |
| Chân 35 | RD10/RP58 — Remappable peripheral pin / port D |
| Chân 36 | RD11/RP59 — Remappable peripheral pin / port D |
| Chân 37 | RD12/RP60 — Remappable peripheral pin / port D |
| Chân 38 | RD13/RP61 — Remappable peripheral pin / port D |
| Chân 39 | VSS — Ground reference |
| Chân 40 | RD0/RP64 — Remappable peripheral pin / port D |
| Chân 41 | RD1/RP65 — Remappable peripheral pin / port D |
| Chân 42 | RD2/RP66 — Remappable peripheral pin / port D |
| Chân 43 | RD3/RP67 — Remappable peripheral pin / port D |
| Chân 44 | RD4/RP68 — Remappable peripheral pin / port D |
| Chân 45 | RD5/RP69 — Remappable peripheral pin / port D |
| Chân 46 | RD6/RP70 — Remappable peripheral pin / port D |
| Chân 47 | RD7/RP71 — Remappable peripheral pin / port D |
| Chân 48 | D+/RP54/RF3 — USB data plus / remappable pin / port F |
| Chân 49 | D-/RP55/RF2 — USB data minus / remappable pin / port F |
| Chân 50 | RF6/U2RX/SDI2/CN19 — UART2 receive / SPI2 data in / port F |
| Chân 51 | RF7/U2TX/SDO2/CN20 — UART2 transmit / SPI2 data out / port F |
| Chân 52 | RF8/U3RX/SDI3/CN21 — UART3 receive / SPI3 data in / port F |
| Chân 53 | RF1/U3TX/SDO3/CN16 — UART3 transmit / SPI3 data out / port F |
| Chân 54 | RF0/CN15 — General purpose I/O port F |
| Chân 55 | RF13/U4RX/SCK3/CN14 — UART4 receive / SPI3 clock / port F |
| Chân 56 | RF12/U4TX/SS3/CN13 — UART4 transmit / SPI3 slave select / port F |
| Chân 57 | RA14/T2CK — Port A / Timer2 external clock |
| Chân 58 | RA15/T3CK — Port A / Timer3 external clock |
| Chân 59 | VSS — Ground reference |
| Chân 60 | RB14/VREF-/AN14 — ADC negative voltage reference / analog input 14 / port B |
| Chân 61 | RB15/VREF+/AN15 — ADC positive voltage reference / analog input 15 / port B |
| Chân 62 | RB12/AN12 — Analog input 12 / port B |
| Chân 63 | RB13/AN13 — Analog input 13 / port B |
| Chân 64 | RB11/AN11/RTCC — Analog input 11 / RTCC alarm output / port B |
Ứng dụng tiêu biểu
DSPIC33EP128MU206-I/PT phù hợp cho 6 Áp dụngs: BLDC and PMSM Motor Control, USB-Connected Industrial Sensors, Digital Power Conversion and SMPS, Portable and Battery-Powered Instrumentation, Audio Signal Processing, General Embedded Control with DSP Needs.
BLDC and PMSM Motor Control
The DSPIC33EP128MU206-I/PT fits sensorless and sensored motor drives because its 70 MIPS dsPIC33E core executes field-oriented control at loop rates of 10-20 kHz with single-cycle MAC math. The 12-bit ADC samples phase currents within microseconds of PWM triggers, enabling accurate FOC torque control. Firmware for sinusoidal and trapezoidal commutation fits comfortably in the 128 KB flash alongside diagnostics. Note that for USB-less motor-control designs, the pin-compatible DSPIC33EP128MC206 variant provides an enhanced PWM peripheral mix; either part shares the 64-TQFP footprint so the PCB layout carries over.
Được đề xuất
USB-Connected Industrial Sensors
Because the MU sub-family integrates USB 2.0 OTG, the DSPIC33EP128MU206-I/PT acts as a single-chip USB device or host for industrial sensing nodes - digital weight scales, bench instruments, and condition-monitoring probes. Sensor data is filtered on-chip using hardware DSP instructions and streamed over USB virtual COM or HID classes, removing a separate USB bridge chip from the BOM. The -40C to +85C industrial temperature grade matches factory-floor enclosures. A practical trade-off: USB needs a stable 48 MHz clock derived from crystal plus PLL, so budget the oscillator error margin in your USB compliance testing.
Được đề xuất
Digital Power Conversion and SMPS
The DSPIC33EP128MU206-I/PT implements digital control loops for AC-DC and DC-DC converters, LED drivers, and battery chargers. Its 70 MIPS core closes voltage and current loops at switching frequencies up to a few hundred kilohertz, while the 12-bit ADC with flexible trigger timing synchronizes sampling to PWM edges for accurate average-current sensing. The 128 KB flash stores multiple operating profiles and compensation tables. For purely digital-power sockets without USB, designers commonly drop in the pin-compatible DSPIC33EP128MC206, whose peripheral emphasis is tuned for switching power stages.
Được đề xuất
Portable and Battery-Powered Instrumentation
Handheld meters, data loggers, and portable medical accessories benefit from the DSPIC33EP128MU206-I/PT's combination of DSP throughput and integrated USB, letting one 16-bit DSC handle signal conditioning, FFT analysis, and PC connectivity. The 16 KB RAM buffers waveform windows for spectral processing, and self-programmable 128 KB flash supports field firmware upgrades over USB. Low-power sleep and idle modes reduce average current in duty-cycled designs. Engineers should verify the device's stop-current figures against their battery budget - consult the manufacturer datasheet power tables rather than assuming typical MCU sleep numbers.
Được đề xuất
Audio Signal Processing
The hardware DSP MAC engine of the DSPIC33EP128MU206-I/PT executes FIR and IIR filtering, sample-rate conversion, and basic audio effects at consumer audio rates, making it a cost-effective host for embedded sound features in appliances, intercoms, and kiosk systems. The 12-bit ADC digitizes microphone or line inputs, and multiple SPI/UART ports interface audio codecs or DACs. The 70 MIPS core leaves instruction headroom for UI and communications firmware. For high-fidelity applications, add an external codec - the on-chip 12-bit converter is targeted at control and communication quality, not hi-fi THD budgets.
Được đề xuất
General Embedded Control with DSP Needs
Many designs need a microcontroller plus occasional heavy math - PID with adaptive gains, FFT-based vibration checks, or cryptographic-style loops. The DSPIC33EP128MU206-I/PT covers this in one chip: general-purpose parallel and remappable peripheral pins handle switches, displays, and legacy buses, while the DSP engine accelerates math routines. The 64-pin TQFP offers roughly 50 usable I/O for system integration, and MPLAB X with XC16 provides a mainstream toolchain. Flash self-programming enables in-field feature updates, and the industrial -40C to +85C rating suits uncontrolled environments.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33EP128MU206-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 | DSPIC33EP256MU206-I/PT | DSPIC33EP64MU206-I/PT | DSPIC33EP128MC206-I/PT | DSPIC33EP128GM306-E/PT |
|---|---|---|---|---|---|
| Package | 64-pin TQFP (PT) | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same | 64-pin TQFP (PT) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Flash Program Memory | 128 KB | 256 KB | 64 KB | 128 KB | 128 KB |
| Max CPU Speed | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS | 70 MIPS |
| USB OTG | Yes | Yes | Yes | No | No |
| ADC Resolution | 12-bit | 12-bit | 12-bit | 12-bit | 12-bit |
| Operating Temperature | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) |
| Target Application Focus | USB + general DSP control | USB + larger firmware | Cost-optimized USB | Motor control / digital power | High-temp industrial |
Bảo phân biệt quan trọng
- Integrated USB 2.0 OTG on-chip (vsDSPIC33EP128MC206-I/PT)
- Flash capacity scalability on the same footprint (vsDSPIC33EP256MU206-I/PT)
- Extended temperature option in same package (vsDSPIC33EP128GM306-E/PT)
- Cost advantage for smaller firmware (vsDSPIC33EP256MU206-I/PT)
Ghi chú thiết kế
The dsPIC33EP family uses an internal core regulator - connect the required low-ESR capacitor on the VCAP/VDDCORE pin (pin 16) per the manufacturer datasheet value; do not drive this pin externally. Decouple each VDD pin pair with 0.1 uF ceramics placed within 2 mm of the pin, plus one bulk 4.7-10 uF per supply domain. Estimated: at 70 MIPS with typical core current figures from the family datasheet, expect tens of milliamps total - size the 3.3V rail regulator accordingly with margin for USB load.
For the 64-TQFP, create a solid ground plane under the device and stitch the VSS pins directly to it with short vias. Route the USB D+/D- (pins 48/49) as a 90-ohm differential pair of matched length, avoiding stubs and crossings over splits. Keep analog input traces (AN0-AN15) short and away from PWM or clock lines; use VREF+/VREF- (pins 60/61) fed from a clean reference for better ADC accuracy. Follow the Microchip 16-bit MCU PCB layout guidance in the family design documentation.
Common pitfalls with dsPIC33EP parts: (1) forgetting MCLR pull-up (4.7-10k) and enabling MCLR reset can leave the device in an undefined state at power-up; (2) misconfiguring the PLL prescaler/postscaler so VCO exceeds datasheet limits - always verify FOSC against the oscillator calculator in MPLAB; (3) exceeding peripheral pin remap conflicts on RPn pins - validate the PPS assignment table before layout freeze; (4) USB designs failing compliance because crystal tolerance is outside the 48 MHz USB clock budget. Review configuration fuses checklist before first silicon bring-up.
Minimize ground bounce on PWM outputs driving MOSFET gate drivers by giving each PWM-H/L pair a dedicated return path and adding small series resistors (10-22 ohm) at gate pins. The 70 MIPS core switching noise can couple into the 12-bit ADC; insert an RC anti-alias filter on analog channels (e.g., 1k + 1 nF, Estimated corner ~159 kHz - verify against your signal bandwidth) and sample synchronously with PWM edges using the ADC trigger feature rather than free-running sampling.
Thông tin tuân thủ
Microchip standard catalog parts are RoHS/lead-free. REACH and conflict-minerals status based on Microchip corporate compliance policies; obtain material declarations from Microchip's product page for the exact MPN. Not an automotive AEC-Q100 device.
