DSPIC33FJ12GP201-I/P - 16-bit DSC, 40 MIPS, 12KB Flash | Microchip
部品番号: DSPIC33FJ12GP201-I/P ✓ 生産中| 数量 | 単価 | 小計 |
|---|---|---|
| 1 | $3.92 | $3.92 |
| 10 | $3.62 | $36.20 |
| 100 | $3.1 | $310.00 |
| 500 | $2.78 | $1,390.00 |
| 1,000 | $2.49 | $2,490.00 |
DSPIC33FJ12GP201-I/P 概要
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.
ドロップイン代替品: DSPIC33FJ12GP201-I/P — 同一パッケージでピン互換。PCBの作り直しが必要な異なるパッケージの部品は除外されています。
このシリーズのバリエーション
同一シリーズでドロップイン互換のモデル: DSPIC33FJ12GP201-I/P （同一形状・フットプリント） — 相違点: Package, Core Architecture, Program Memory (Flash), Operating Temperature, Mounting Type.
クイック比較ツール — 並列比較する代替部品を選択:
DSPIC33FJ12GP201-E/SO
✅ ドロップイン✓ 在庫あり
$2.18 / 個
データシートを見る →DSPIC33FJ12GP202-I/P
✅ ドロップイン ⚠️ 仕様未検証📋 参考代替品（カタログ未掲載）
DSPIC33FJ128GP802-I/SP
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$4.95 / 個
データシートを見る →DSPIC33FJ128MC802-I/SP
✅ ドロップイン✓ 在庫あり
$5.1 / 個
データシートを見る →PIC24FJ32GA002-I/SP
✅ ドロップイン ⚠️ 仕様未検証✓ 在庫あり
$2.31 / 個
データシートを見る →DSPIC33FJ12GP201-I/P 最大定格＆電気的特性
| 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 |
| 動作温度 | -40C to +85C (industrial) |
| パッケージ | PDIP-28 (I/P), through-hole |
| 実装タイプ | Through Hole |
| RoHS ステータス | Compliant |
| Lead-Free | Yes |
| MSLレベル | Not applicable (through-hole part) |
| Programming Interface | ICSP / JTAG |
DSPIC33FJ12GP201-I/P ピン構成
| ピン 1 | MCLR — Master Clear (reset) input, active-low |
| ピン 2 | VSS — Digital ground |
| ピン 3 | OSC1 — Crystal/oscillator input (primary) |
| ピン 4 | OSC2 — Crystal/oscillator output (primary) |
| ピン 5 | SDA — I2C data line [DATA_NEEDED: pin mapping] |
| ピン 6 | SCL — I2C clock line [DATA_NEEDED: pin mapping] |
| ピン 7 | U1TX — UART1 transmit [DATA_NEEDED: pin mapping] |
| ピン 8 | U1RX — UART1 receive [DATA_NEEDED: pin mapping] |
| ピン 9 | AN0 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 10 | AN1 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 11 | AN2 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 12 | AN3 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 13 | AN4 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 14 | AN5 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 15 | VDD — Digital supply voltage (3.3 V) |
| ピン 16 | VSS — Digital ground |
| ピン 17 | AN6 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 18 | AN7 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 19 | AN8 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 20 | AN9 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 21 | AN10 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 22 | AN11 — Analog input / GPIO [DATA_NEEDED: pin mapping] |
| ピン 23 | PWM1H — PWM output [DATA_NEEDED: pin mapping] |
| ピン 24 | PWM1L — PWM output (complementary) [DATA_NEEDED: pin mapping] |
| ピン 25 | INT0 — External interrupt / GPIO [DATA_NEEDED: pin mapping] |
| ピン 26 | PGEC1 — ICSP clock (programming/debug) |
| ピン 27 | PGED1 — ICSP data (programming/debug) |
| ピン 28 | AVDD — Analog supply voltage (3.3 V) |
主な用途
DSPIC33FJ12GP201-I/P の用途: 7 件s: 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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
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.
おすすめ
おすすめ製品の概要
エンジニアリング参考データ: DSPIC33FJ12GP201-I/P — 比較、設計ガイダンス、コンプライアンス情報。
選定ガイド
代替品との比較
| パラメータ | この製品 | 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 |
主な差別化要因
- Pin-compatible FLASH/RAM upgrade path to DSPIC33FJ12GP202 （vs DSPIC33FJ12GP202-I/P)
- Through-hole PDIP package for hand prototyping （vs DSPIC33FJ12GP201-E/SO)
- DSP engine at 40 MIPS in a 12 KB Flash footprint （vs PIC24FJ32GA002-I/SP)
設計ノート
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.
コンプライアンス情報
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.
