DSPIC33FJ12GP201-I/P - 16-bit DSC, 40 MIPS, 12KB Flash | Microchip
MPN: DSPIC33FJ12GP201-I/P ✓ Hoạt độngDSPIC33FJ12GP201-I/P Tóm tắt
A DSC (Digital Signal Controller) is a hybrid mixed-signal MCU that combines a microcontroller's deterministic control peripherals with a DSP's MAC-based computational engine. Within the broader taxonomy, a DSC sits between a microcontroller and a full DSP, sharing peripherals, interrupts, and toolchains with 16-bit PIC MCUs while delivering hardware-accelerated multiply-accumulate capability for filters, transforms and control loops. The dsPIC33F sub-family specifically targets motor control, power conversion and general-purpose embedded signal processing, supporting C and assembly development under MPLAB X IDE.
Key features include 12 KB Flash with self-reprogrammability, 1 KB SRAM, one 16-bit timer/capture/compare, one UART, one SPI, one I2C, up to 21 I/O pins, and a 10-bit ADC with multiple conversion channels. The wide selection of peripherals and the 40 MIPS core allow system designers to consolidate analog front-ends, digital filters and supervisory logic that would otherwise require a separate DSP plus MCU. The device also integrates a 16-channel Hardware RTCC, watchdog timer and on-chip oscillator with PLL.
Typical applications include motor control (BLDC, PMSM, stepper), switch-mode power supplies, sensor signal conditioning, industrial control loops, lighting ballast control and general-purpose digital filtering. The combination of DSP throughput and MCU peripherals is especially well-suited to closed-loop systems that must sample analog signals at high rates and emit precisely timed PWM outputs on the same die.
When designing with this part, place decoupling capacitors within a few millimeters of the VDD/VSS pins, route the 40 MHz primary oscillator traces short and guarded, and reserve the device's JTAG/ICSP pins for in-circuit programming. Designers should size the Flash-resident program within 12 KB and reserve RAM for stack/heap within 1 KB. The dsPIC33FJ12GP201 supports migration to the pin-compatible dsPIC33FJ12GP202 with double the Flash and RAM, providing headroom for evolving firmware.
Bộ thay thế dễ dàng lắp đặt cho DSPIC33FJ12GP201-I/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 DSPIC33FJ12GP201-I/P (cùng hình factor và footprint) — khác nhau ở Package, Core Architecture, Program Memory (Flash), Operating Temperature, Mounting Type.
DSPIC33FJ12GP201-E/SO
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ12GP202-I/P
✅ Drop-In ⚠️ Thông số chưa được xác minh📋 Tham chiếu thay thế (không có trong danh mục)
DSPIC33FJ128GP802-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ128MC802-I/SP
✅ Drop-InLiên hệ để biết giá
Xem tài liệu →PIC24FJ32GA002-I/SP
✅ Drop-In ⚠️ Thông số chưa được xác minhLiên hệ để biết giá
Xem tài liệu →DSPIC33FJ12GP201-I/P Tỷ lệ tối đa & tính chất điện
| Product Family | dsPIC33F General Purpose Digital Signal Controllers |
| Core Architecture | 16-bit dsPIC33F DSC (MCU + DSP engine) |
| Program Memory (Flash) | 12 KB |
| Data Memory (SRAM) | 1 KB |
| Maximum CPU Speed | 40 MIPS |
| Operating Frequency | Up to 40 MHz (8 MHz primary oscillator w/ PLL x4/x8/x16) |
| Supply Voltage (VDD) | 3.0 V to 3.6 V |
| I/O Pins | 21 |
| Nhiệt độ hoạt động | -40C to +85C (industrial) |
| Hộp | PDIP-28 (I/P), through-hole |
| Kiểu lắp đặt | Through Hole |
| Trạng thái RoHS | Compliant |
| Lead-Free | Yes |
| Cấp MSL | Not applicable (through-hole part) |
| Programming Interface | ICSP / JTAG |
Cấu hình chân DSPIC33FJ12GP201-I/P
| Chân 1 | MCLR — Master Clear (reset) input, active-low |
| Chân 2 | VSS — Digital ground |
| Chân 3 | OSC1 — Crystal/oscillator input (primary) |
| Chân 4 | OSC2 — Crystal/oscillator output (primary) |
| Chân 5 | SDA — I2C data line [DATA_NEEDED: pin mapping] |
| Chân 6 | SCL — I2C clock line [DATA_NEEDED: pin mapping] |
| Chân 7 | U1TX — UART1 transmit [DATA_NEEDED: pin mapping] |
| Chân 8 | U1RX — UART1 receive [DATA_NEEDED: pin mapping] |
| Chân 9 | AN0 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 10 | AN1 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 11 | AN2 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 12 | AN3 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 13 | AN4 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 14 | AN5 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 15 | VDD — Digital supply voltage (3.3 V) |
| Chân 16 | VSS — Digital ground |
| Chân 17 | AN6 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 18 | AN7 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 19 | AN8 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 20 | AN9 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 21 | AN10 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 22 | AN11 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| Chân 23 | PWM1H — PWM output [DATA_NEEDED: pin mapping] |
| Chân 24 | PWM1L — PWM output (complementary) [DATA_NEEDED: pin mapping] |
| Chân 25 | INT0 — External interrupt / GPIO [DATA_NEEDED: pin mapping] |
| Chân 26 | PGEC1 — ICSP clock (programming/debug) |
| Chân 27 | PGED1 — ICSP data (programming/debug) |
| Chân 28 | AVDD — Analog supply voltage (3.3 V) |
Ứng dụng tiêu biểu
DSPIC33FJ12GP201-I/P phù hợp cho 7 Áp dụngs: Motor Control (BLDC / PMSM / Stepper), Switch-Mode Power Supply (SMPS) Digital Control, Sensor Signal Conditioning / Digital Filtering, Lighting Ballast Control and LED Drivers, Industrial Control and Automation, Audio Processing and Digital Filters, General-Purpose Embedded Control.
Motor Control (BLDC / PMSM / Stepper)
The DSPIC33FJ12GP201-I/P's 40 MIPS core with single-cycle 16x16 MAC and on-chip 16-bit capture/compare timers is well-matched to field-oriented control of permanent magnet synchronous motors. With 12 KB Flash the firmware can hold an FOC state machine, Park/Clarke transforms and current-loop PI tables, while 1 KB SRAM is sufficient for a two-axis alpha/beta vector. The 21 I/O accommodate three PWM channels plus encoder feedback, and the 28-pin PDIP package makes the part ideal for hand-built drive prototypes.
Được đề xuất
Switch-Mode Power Supply (SMPS) Digital Control
Closing a digital peak-current-mode loop at tens of kHz requires deterministic, single-cycle math - exactly what the DSPIC33FJ12GP201-I/P delivers at 40 MIPS. The device drives the high-resolution PWM from a 16-bit timer, samples a 10-bit ADC stream, and runs the compensation math in firmware. Its 12 KB Flash accommodates a Type-III compensator and soft-start state machine for a PFC or DC-DC converter; the 28-pin PDIP supports through-hole assembly of the controller board.
Được đề xuất
Sensor Signal Conditioning / Digital Filtering
The DSP engine in the DSPIC33FJ12GP201-I/P executes FIR and IIR filters at 40 MIPS in single-cycle MAC steps, allowing engineers to condition sensor signals without an external DSP or op-amp cascade. Common uses include accelerometer low-pass filtering, microphone pre-emphasis and de-bounce of PWM-coupled position encoder signals. The 12 KB Flash hosts several kB of coefficient tables plus the filter scheduler, and the 1 KB SRAM holds line buffers and biquad state.
Được đề xuất
Lighting Ballast Control and LED Drivers
The DSPIC33FJ12GP201-I/P drives resonant switching of fluorescent and HID ballasts with its 40 MIPS DSP throughput, executing PFC + lamp current regulation in firmware. For LED drivers, the same core supports closed-loop current control with thermal fold-back and dimming curve compensation. The 21 I/O route PWM, zero-current detection and lamp-fault inputs, while the 28-pin PDIP form factor fits classic through-hole ballast boards.
Được đề xuất
Industrial Control and Automation
Industrial PLC and motion sub-modules use the DSPIC33FJ12GP201-I/P for deterministic UART/RS-485 fan-out, CAN-style sensor stacking, and ramp-soak profiles - all of which the MCU+ DSP hybrid handles with low jitter. With 12 KB Flash, drop-in retrofit programs fit cleanly, and the 28-pin PDIP eases field-replacement in legacy panels. The industrial -40C to +85C rating is matched to cabinet environments.
Được đề xuất
Audio Processing and Digital Filters
Audio-grade filtering, EQ and feedback-suppression for 8 kHz to 48 kHz sample rates is well within the DSPIC33FJ12GP201-I/P's envelope at 40 MIPS. The single-cycle MAC implements biquad cascades with less than 2 us latency per stage, supporting real-time speaker-correction in intercoms, hearing-aid fronts and PA backplanes. The 12 KB Flash fits a 10-band parametric EQ plus 1/3-octave dynamics, and 21 I/O expose I2S or sigma-delta bit-streams.
Được đề xuất
General-Purpose Embedded Control
Beyond DSP, the DSPIC33FJ12GP201-I/P functions as a 16-bit general-purpose MCU with multi-protocol sensing: UART for command interfaces, SPI for flash storage, I2C for RTC and E2PROM chaining, plus PWM timers for valve and motor drive. With 21 I/O it's suitable for 16-line keypad/LED drivers in appliance UI boards. The 28-pin PDIP and robust 3.3V operation enable breadboard-friendly prototyping of consumer electronics.
Được đề xuất
Tóm tắt các sản phẩm được đề xuất
Dữ liệu tham khảo kỹ thuật cho DSPIC33FJ12GP201-I/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 | DSPIC33FJ12GP201-E/SO | DSPIC33FJ12GP202-I/P | DSPIC33FJ128GP802-I/SP | DSPIC33FJ128MC802-I/SP | PIC24FJ32GA002-I/SP |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | PDIP-28 (I/P) | SOIC-28 | PDIP-28 - same | SDIP-28 | SDIP-28 | SPDIP-28 |
| Core | dsPIC33F DSC (MCU+DSP) | dsPIC33F DSC | dsPIC33F DSC | dsPIC33F DSC | dsPIC33F DSC | PIC24F MCU (no DSP) |
| Flash Memory | 12 KB | 12 KB | 24 KB | 128 KB | 128 KB | 32 KB |
| SRAM | 1 KB | 1 KB | 2 KB | 8 KB | 8 KB | 8 KB |
| Max CPU Speed | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 40 MIPS | 32 MIPS |
| Supply Voltage | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 3.0 V to 3.6 V | 2.0 V to 3.6 V |
Bảo phân biệt quan trọng
- Pin-compatible FLASH/RAM upgrade path to DSPIC33FJ12GP202 (vsDSPIC33FJ12GP202-I/P)
- Through-hole PDIP package for hand prototyping (vsDSPIC33FJ12GP201-E/SO)
- DSP engine at 40 MIPS in a 12 KB Flash footprint (vsPIC24FJ32GA002-I/SP)
Ghi chú thiết kế
Estimated: Operating at 40 MIPS with all peripherals active, the DSPIC33FJ12GP201-I/P typically draws approximately 30-40 mA from the 3.3 V rail. Place a 10 uF bulk capacitor and a 0.1 uF decoupling capacitor within 5 mm of the VDD/AVDD pins to suppress switching transients during motor-control PWM edges.
Route the 40 MHz primary oscillator traces (OSC1/OSC2) as short as possible and guard them with a ground ring to limit EMI pickup on the PLL. Keep digital switching traces away from analog ANx inputs routed through the ADC. The PDIP-28 footprint allows generous trace spacing, simplifying hand-routed prototypes.
The DSPIC33FJ12GP201-I/P's 12 KB Flash must accommodate both the main program and the Flash-resident configuration bits; do not exceed ~11 KB of code without planning to migrate to the pin-compatible DSPIC33FJ12GP202. ICSP pins (PGEC1/PGED1) must be reserved in the PCB layout for in-circuit programming - do not repurpose them as user I/O without isolation resistors.
Thông tin tuân thủ
RoHS compliance per Microchip product page. Industrial -40C to +85C temperature grade. Not AEC-Q100 qualified - automotive designs should select AEC-Q100 qualified DSCs from the dsPIC33 family.
