DSPIC33FJ32MC101-E/P - 16-Bit DSC 32KB Flash 20-PDIP | Microchip
MPN: DSPIC33FJ32MC101-E/P ✓ Hoạt độngDSPIC33FJ32MC101-E/P Tóm tắt
A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). Within the power management hierarchy, the DSC sits above general-purpose MCUs for control-loop tasks, offering hardware multiply-accumulate (MAC), barrel shifting, and DSP instruction support while retaining MCU-style flash, interrupt, and peripheral programming models.
Key features include the dsPIC33F core at 16 MIPs, motor control PWM (MCPWM) outputs, three analog comparators, a Charge Time Measurement Unit (CTMU), an RTCC real-time clock and calendar, 6-channel 10-bit ADC, and Peripheral Pin Select (PPS) for remapping digital peripherals onto 15 available I/O pins. Connectivity spans I2C, SPI, UART/USART, IrDA, and LINbus. The -E suffix denotes an extended temperature rating of -40C to +125C, and the family is AEC-Q100 automotive capable.
Architecturally, the device uses a modified Harvard 16-bit core with DSP engine, supporting C compiler development through Microchip MPLAB X IDE and XC16 compiler. Flash self-programming enables field firmware updates, while the 16 MIPs rate supports execution of advanced motor-control algorithms such as field-oriented control (FOC) on small pulse-width-modulated (PWM) drives.
Typical applications include brushless DC (BLDC) and permanent-magnet synchronous motor control, power-factor-correction converters, electronic ballasts, and low-pin-count sensor interfaces using CTMU-based capacitive touch measurement.
Design consideration: the 20-pin PDIP is ideal for prototyping and through-hole assembly, but the 1KB RAM limits complex control stacks - size buffers carefully.
This page synthesizes distributor pricing, drop-in same-package alternatives, pinout data, and design guidance not consolidated in the manufacturer datasheet.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ32MC101-E/P — 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 DSPIC33FJ32MC101-E/P (cùng hình factor và footprint) — khác nhau ở Operating Temperature, Package, Core Architecture, Mounting Type, MSL Level.
DSPIC33FJ16MC101-E/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ12MC201-E/P
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ12MC201-I/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ32GP101-I/P
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ16GP101-E/SS
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ32MC101-E/P Tỷ lệ tối đa & tính chất điện
| Core Processor | dsPIC33F 16-bit |
| Core Size | 16-bit |
| Speed (Performance) | 16 MIPs |
| Program Memory Size | 32KB (11K x 24) FLASH |
| RAM Size | 1K x 16 |
| Number of I/O | 15 |
| Data Converters | A/D 6x10-bit |
| Connectivity | I2C, SPI, UART/USART, IrDA, LINbus |
| Peripherals | MCPWM, CTMU, comparators, RTCC, PPS |
| Voltage - Supply | 3 V to 3.6 V |
| Nhiệt độ hoạt động | -40C to +125C (E grade) |
| Hộp | 20-PDIP (0.300 in, 7.62 mm) |
| Kiểu lắp đặt | Through Hole |
| Oscillator Frequency | 16 MHz |
| Qualification | AEC-Q100 (automotive capable) |
| Series | dsPIC 33F (MC - Motor Control) |
| External Interrupts | 3 (two remappable) |
| I/O Sink/Source Current | Up to 16 mA or 12 mA (non-standard VOH pins) |
Cấu hình chân DSPIC33FJ32MC101-E/P
| 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 bit 0 |
| Chân 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / port B bit 1 |
| Chân 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / change notification / port B bit 2 |
| Chân 5 | AN3/INDX/CN5/RB3 — Analog input 3 / QEI index / change notification / port B bit 3 |
| Chân 6 | VSS — Ground reference |
| Chân 7 | OSC1/CLKI/CN6/RA2 — Oscillator crystal input / external clock input |
| Chân 8 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output |
| Chân 9 | VDD — Positive supply (3 V to 3.6 V) |
| Chân 10 | RP0/RF0 — Remappable peripheral pin 0 / port F bit 0 |
| Chân 11 | RP1/RF1 — Remappable peripheral pin 1 / port F bit 1 |
| Chân 12 | RP2/RF2 — Remappable peripheral pin 2 / port F bit 2 |
| Chân 13 | RP3/RF3 — Remappable peripheral pin 3 / port F bit 3 |
| Chân 14 | VSS — Ground reference |
| Chân 15 | SOSCI/RP4/CN1/RB4 — Secondary oscillator input / remappable pin 4 / change notification / port B bit 4 |
| Chân 16 | SOSCO/T1CK/RP5/CN0/RB5 — Secondary oscillator output / Timer1 clock / remappable pin 5 / port B bit 5 |
| Chân 17 | VDD — Positive supply (3 V to 3.6 V) |
| Chân 18 | PGD/EMUD1/RP6/CN8/RB6 — In-circuit debug data / remappable pin 6 / port B bit 6 |
| Chân 19 | PGC/EMUC1/RP7/CN9/RB7 — In-circuit debug clock / remappable pin 7 / port B bit 7 |
| Chân 20 | VDD — Positive supply (3 V to 3.6 V) |
Ứng dụng tiêu biểu
DSPIC33FJ32MC101-E/P phù hợp cho 6 Áp dụngs: BLDC Motor Control, Power Factor Correction Converters, Capacitive Touch Interfaces, Embedded Prototyping and Education, Industrial Sensor Nodes, Automotive Subsystem Control.
BLDC Motor Control
The DSPIC33FJ32MC101-E/P fits brushless DC (BLDC) motor drives because its motor-control PWM (MCPWM) module generates complementary outputs with hardware dead-time insertion, while three analog comparators enable sensorless back-EMF commutation and cycle-by-cycle overcurrent protection. Operating at 16 MIPs with a DSP engine, the core executes trapezoidal or sinusoidal commutation algorithms within tight control-loop deadlines, and the 6-channel 10-bit ADC samples phase currents for closed-loop torque control. In a typical circuit, the MCPWM drives a 3-phase gate-driver IC or MOSFET bridge directly, with the ADC synchronized to PWM triggers for low-noise current sampling. The trade-off is the 1KB RAM, which limits the complexity of field-oriented control implementations - sensorless six-step commutation is the natural fit at this memory class.
Được đề xuất
Power Factor Correction Converters
Switched-mode power conversion such as power factor correction (PFC) benefits directly from the DSPIC33FJ32MC101-E/P parameter set: 16 MIPs of 16-bit DSP throughput supports average-current-mode control loops at switching frequencies in the tens of kilohertz with margin, and the MCPWM module provides the PWM carriers with programmable dead time. The 10-bit ADC, triggered by the PWM, samples inductor current and bus voltage synchronized to the switching period for clean control feedback, while comparators provide fast-cycle current limiting independent of firmware. Placed between the rectified AC input sensing network and the boost-switch gate driver, the controller implements boost or buck PFC in firmware. Because the device is AEC-Q100 capable and rated -40C to +125C, it suits sealed industrial power supplies with elevated ambient temperatures.
Được đề xuất
Capacitive Touch Interfaces
The integrated Charge Time Measurement Unit (CTMU) makes the DSPIC33FJ32MC101-E/P well suited to capacitive touch sensing on low-pin-count products such as appliance control panels and industrial keypads. The CTMU is a precision constant-current source and time measurement peripheral: firmware charges the touch pad through the CTMU and measures charge time via the 10-bit ADC, detecting the capacitance delta caused by a finger. With 15 remappable I/O pins and Peripheral Pin Select (PPS), up to a dozen touch channels can coexist with a UART or SPI link on the same 20-pin package. Typical performance detects touches through 3 mm glass or plastic overlays, and the RTCC peripheral adds time-stamping for panel event logging without a second IC.
Được đề xuất
Embedded Prototyping and Education
The 20-pin PDIP through-hole package is a defining advantage for prototyping, breadboarding, and university lab courses: the 0.300-inch, 7.62 mm lead pitch plugs directly into solderless breadboards and DIP sockets without adapters, unlike SSOP or QFN variants of the same die. Developers use Microchip MPLAB X IDE with the XC16 compiler and an in-circuit debugger (PICkit or ICD) connected to the PGC/PGD pins (19/18) for programming and real-time debugging. The 16 MIPs core, DSP instructions, and PPS remapping let students explore motor control, digital filtering, and serial protocols on one low-cost device. The extended -40C to +125C E-grade rating also means a validated prototype transfers directly to industrial hardware without a temperature-grade change.
Được đề xuất
Industrial Sensor Nodes
In distributed industrial monitoring, the DSPIC33FJ32MC101-E/P serves as a compact sensor node controller: the UART/USART with LINbus and IrDA support, plus I2C and SPI masters, connects digital sensors and field buses, while the 6-channel 10-bit ADC digitizes 0-3.3V analog transducer outputs. The RTCC provides timestamping for event-driven logging, and the CTMU adds capacitance-based level or proximity measurement without external analog front-ends. PPS remapping lets one firmware image adapt to different board wirings, reducing PCB variants. The -40C to +125C operating range covers unheated enclosures and machinery-mount positions, and AEC-Q100-capable qualification supports harsh-environment reliability screening. The 3V to 3.6V supply matches standard LDO rails from 24V industrial buses.
Được đề xuất
Automotive Subsystem Control
Because the dsPIC33FJ32MC101 family is AEC-Q100 automotive capable and this -E suffix version operates from -40C to +125C, the device is appropriate for non-safety-critical automotive subsystem controllers such as auxiliary pump drivers, actuator position control, LIN-bus body nodes, and small BLDC fan or blower drives. The MCPWM module drives gate circuitry for the actuator motor with hardware dead-time protection, comparators supervise current limits against fault conditions in silicon rather than software, and the LINbus-capable UART connects to the vehicle's low-cost body network. Firmware executes at 16 MIPs, sufficient for cascade current/speed loops in actuators. Designers must respect the 3V to 3.6V supply window, typically deriving it from a 5V automotive rail through an automotive-rated LDO with load-dump tolerance.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ32MC101-E/P — 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 | DSPIC33FJ16MC101-E/P | DSPIC33FJ12MC201-E/P | DSPIC33FJ32GP101-I/P | DSPIC33FJ16GP101-E/SS |
|---|---|---|---|---|---|
| Package | 20-PDIP (0.300 in) | 20-PDIP - same | 20-PDIP - same | 20-PDIP - same | SSOP-20 - same die, different footprint |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core / Speed | dsPIC33F 16-bit, 16 MIPs | dsPIC33F 16-bit, 16 MIPs | dsPIC33F 16-bit, 16 MIPs | dsPIC33F 16-bit, 16 MIPs | dsPIC33F 16-bit, 16 MIPs |
| Program FLASH | 32KB (11K x 24) | 16KB (5.4K x 24) | 12KB | 32KB (11K x 24) | 16KB |
| Motor-Control PWM (MCPWM) | Yes | Yes | Yes | No (GP variant) | No (GP variant) |
| Operating Temperature | -40C to +125C (E) | -40C to +125C (E) | -40C to +125C (E) | -40C to +85C (I) | -40C to +125C (E) |
| Supply Voltage | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V | 3 V to 3.6 V |
| Automotive Qualification | AEC-Q100 capable | AEC-Q100 capable | AEC-Q100 capable | Industrial grade (I suffix) | AEC-Q100 capable |
Bảo phân biệt quan trọng
- Largest flash in the 20-PDIP MC subfamily (vsDSPIC33FJ16MC101-E/P)
- Dedicated motor-control PWM module (vsDSPIC33FJ32GP101-I/P)
- Extended temperature grade in through-hole (vsDSPIC33FJ32GP101-I/P)
Ghi chú thiết kế
Decouple each VDD pin (9, 17, 20) with 0.1 uF ceramic capacitors placed within 5 mm of the pin, plus one bulk 4.7-10 uF capacitor near the device. The dsPIC33F core draws current transiently at 16 MIPs; supply ripple on VDD couples directly into the ADC references (AN0/AN1 can serve as VREF+/VREF-), degrading 10-bit conversion accuracy. Keep the analog ground return of VSS (pins 6, 14) separate from high-current motor-drive ground until a single star point.
Route PGC (pin 19) and PGD (pin 18) to a 5-pin header for in-circuit serial programming (ICSP) with PICkit/ICD tools, including MCLR (pin 1), VDD, and VSS. Fit a 10K pull-up resistor from MCLR to VDD and leave space for an optional programming-voltage clamp. Provide a footprint for the secondary oscillator crystal (32.768 kHz on SOSCI/SOSCO, pins 15/16) if RTCC timekeeping accuracy is required - the internal FRC oscillator is unsuitable for precision real-time clocking.
Do not exceed the 3.6V absolute maximum supply - unlike PIC18 parts, dsPIC33F is not a 5V device; only specific pins are 5V tolerant per the datasheet. Configure unused remappable pins carefully with PPS: a mis-assigned peripheral map can drive motor bridge outputs into shoot-through. Also remember the 1KB RAM limit - large ADC buffers or FOC control structures will overflow the linker heap; verify the MPLAB X memory gauge during the build, not at runtime.
Thông tin tuân thủ
Distributor listings describe the dsPIC33FJ32MC101 family as Automotive, AEC-Q100. RoHS/lead-free consistent with current Microchip production; verify via Microchip Material Declaration for lot-specific certificates. REACH and halogen-free status not stated in provided data.
