DSPIC30F2012-30I/SP - 16-bit 30 MIPS DSC, 12KB Flash | Microchip
MPN: DSPIC30F2012-30I/SP ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.95 | $7.95 |
| 10 | $7.2 | $72.00 |
| 100 | $6.45 | $645.00 |
| 500 | $5.85 | $2,925.00 |
| 1,000 | $5.3 | $5,300.00 |
DSPIC30F2012-30I/SP Overview
A digital signal controller blends the peripheral set and ease of use of a microcontroller (MCU) with the multiply-accumulate (MAC) engine of a digital signal processor (DSP), occupying a middle tier of the embedded hierarchy: MCU -> DSC -> DSP. The dsPIC30F family is designed for applications where 5V operation remains important, while the 40 MIPS dsPIC33F family serves higher-speed designs.
Key features of the dsPIC30F2012 include a modified Harvard 16-bit RISC core with DSP instruction support, up to 40MHz external clock operation (30 MIPS at 3.3-5V), C compiler-friendly instruction set supported by the MPLAB XC-DSC C/C++ compiler, and Flash-based reprogrammability for field updates.
Architecturally, the device integrates extensive DSP functionality - single-cycle MAC, dual operand fetch, and hardware modulo addressing - within a high-performance 16-bit microcontroller architecture, per the Microchip dsPIC30F2011/2012/3012/3013 family data sheet (document 70139B). On-chip peripherals typically include PWM modules, 10-bit ADC, UART, SPI, and I2C, suiting motor control and power-conversion tasks.
Typical applications include sensorless BLDC and PMSM motor control, digital power supplies and UPS systems, and industrial sensing with DSP filtering (FIR/IIR) on the ADC data stream. The 5V-tolerant industrial operation makes it a direct fit for legacy 5V factory systems.
When designing with this part, budget the Flash carefully: 12KB (4K x 24 instructions) fills quickly when combining a control loop with DSP filtering routines; the pin-compatible, larger-memory dsPIC30F3012 offers a migration path.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC30F2012-30I/SP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with DSPIC30F2012-30I/SP (same form factor and footprint) — differing in Core Architecture, Max MIPS, Mounting Type, Operating Temperature, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F2012-20I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F2011-30I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F2012-30E/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F3012-30I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F3013-30I/SP
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F2012-30I/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC30F RISC with DSP engine |
| Max MIPS | 30 MIPS |
| Clock Speed | 40 MHz |
| Program Memory (Flash) | 12 KB (4K x 24) |
| SRAM | 1 KB |
| EEPROM | 256 B |
| Supply Voltage | 3.3 V / 5 V |
| Operating Temperature | -40C to +85C (Industrial, I suffix) |
| Package | 28-pin SPDIP (SP) |
| Mounting Type | Through Hole, 2.54 mm pitch |
| Technology | CMOS |
| Instruction Set | dsPIC30F, C compiler friendly |
| Product Family | dsPIC30F Digital Signal Controllers |
| Packaging | Tube |
| RoHS Status | unknown |
| Programming/Debug Toolchain | MPLAB XC-DSC C/C++ Compiler, MPLAB IDE |
DSPIC30F2012-30I/SP Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low), programming voltage input |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / positive voltage reference / change notification / port B |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / negative voltage reference / change notification / port B |
| Pin 4 | AN2/SS1/CN4/RB2 — Analog input 2 / SPI slave select / port B |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / encoder index / port B |
| Pin 6 | AN4/QEA/IC7/CN6/RB4 — Analog input 4 / encoder QEA / capture 7 / port B |
| Pin 7 | AN5/QEB/IC8/CN7/RB5 — Analog input 5 / encoder QEB / capture 8 / port B |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKI — Oscillator crystal input / external clock input |
| Pin 10 | OSC2/CLKO/RC15 — Oscillator crystal output / clock output / port C |
| Pin 11 | EMUD1/SDA/CN9/RC14 — I2C data / change notification / emulation / port C |
| Pin 12 | SOSCI/T2CK/U1ATX/CN1/RC13 — Secondary oscillator input / Timer2 clock / UART alt TX / port C |
| Pin 13 | VDD — Positive supply (3.3V or 5V) |
| Pin 14 | EMUC1/SCK1/CN0/RF6 — SPI1 clock / change notification / emulation / port F |
| Pin 15 | U1RX/SDI1/RF7 — UART1 receive / SPI1 data in / port F |
| Pin 16 | U1TX/SDO1/RF8 — UART1 transmit / SPI1 data out / port F |
| Pin 17 | FLTA/RE5 — PWM fault input / port E |
| Pin 18 | PWM1L/RE0 — PWM1 low-side output / port E |
| Pin 19 | PWM1H/RE1 — PWM1 high-side output / port E |
| Pin 20 | PWM2L/RE2 — PWM2 low-side output / port E |
| Pin 21 | PWM2H/RE3 — PWM2 high-side output / port E |
| Pin 22 | PWM3L/RE4 — PWM3 low-side output / port E |
| Pin 23 | PWM3H/CN8/RE6 — PWM3 high-side output / change notification / port E |
| Pin 24 | T1CK/CN12/RC0 — Timer1 external clock / change notification / port C |
| Pin 25 | PGD/EMUD/CN11/RC1 — In-circuit programming data / debug data / change notification / port C |
| Pin 26 | PGC/EMUC/CN10/RC2 — In-circuit programming clock / debug clock / change notification / port C |
| Pin 27 | AVDD — Analog positive supply |
| Pin 28 | AVSS — Analog ground |
Typical Applications
DSPIC30F2012-30I/SP is suitable for 6 applications: BLDC/PMSM Motor Control, Digital Power Supplies and UPS, Industrial Sensing with DSP Filtering, Audio Signal Processing, Educational and Prototyping Platforms, Legacy 5V Industrial Equipment Retrofit.
BLDC/PMSM Motor Control
The dsPIC30F2012-30I/SP fits motor control because its DSP engine executes single-cycle MAC instructions for field-oriented control and sensorless observer algorithms at 30 MIPS, while on-chip PWM hardware drives the inverter bridge directly. In a typical sensorless BLDC drive, ADC samples of phase currents and the DC bus feed a sliding-mode or back-EMF estimator in firmware, and the PWM module outputs the six gate commands with dead-time control. Running the control loop on the DSC removes the need for a separate DSP, and 5V operation simplifies interface with industrial gate drivers. Flash-based memory supports field firmware updates for control tuning.
Recommended
Digital Power Supplies and UPS
Digital power conversion benefits directly from the dsPIC30F2012-30I/SP's combination of a 30 MIPS DSP core, on-chip ADC, and PWM peripherals in a 5V-compatible device. Control laws such as average-current-mode or voltage-mode digital loops, plus PFC stages, execute in firmware with hardware MAC acceleration for PID and notch-filter computation. The 12KB (4K x 24) Flash is sufficient for a single-converter control scheme, and the industrial -40C to +85C rating covers power-electronics cabinet temperatures. Through-hole SPDIP packaging also eases prototyping of breadboard power stages before SMD production. Nonlinear limiting and soft-start sequences are implemented in software without external analog circuitry.
Recommended
Industrial Sensing with DSP Filtering
In industrial sensing nodes, the dsPIC30F2012-30I/SP reads analog sensors through its ADC and applies real-time FIR/IIR filtering using the DSP engine's single-cycle MAC, achieving signal conditioning that would otherwise require an external filter IC. The 30 MIPS throughput supports multi-kilohertz sampling with several filter taps, while UART, SPI and I2C interfaces stream conditioned data to PLCs or gateways. Operation from 3.3V or 5V simplifies mixing with legacy 5V industrial sensors and 4-20mA transmitter front ends. The -40C to +85C industrial rating and through-hole package make it practical for retrofit boards in existing factory equipment enclosures.
Recommended
Audio Signal Processing
The dsPIC30F2012-30I/SP serves low-channel-count audio processing such as active crossover filters, equalization, echo cancellation, and tone generation. Its DSP MAC engine executes biquad IIR and FIR filters efficiently at 30 MIPS, and the Flash program memory stores filter coefficient tables updated at runtime. With UART/SPI available for digital audio data transport and a 5V supply simplifying analog board design, it is a common choice in cost-sensitive pro-audio and kiosk voice systems. Designers should note the 1KB SRAM constrains very long delay lines; the pin-compatible dsPIC30F3012/3013 with larger RAM covers those cases on the same 28-pin footprint.
Recommended
Educational and Prototyping Platforms
Because the DSPIC30F2012-30I/SP comes in a 2.54mm-pitch 28-pin SPDIP through-hole package, it drops directly into solderless breadboards and socketed university lab boards, making it a staple for teaching embedded DSP and motor control. Students compile ANSI C with the free-tier MPLAB XC-DSC compiler and debug in-circuit through the PGD/PGC pins without removing the chip. The 12KB Flash is ample for laboratory exercises covering ADC sampling, PWM generation, PID loops, and FIR filtering. Its 5V tolerance also protects learners who accidentally wire 5V peripherals. Longevity as an active Microchip product keeps course materials valid across academic years.
Recommended
Legacy 5V Industrial Equipment Retrofit
Retrofit and repair of legacy industrial controllers frequently requires a 5V through-hole processor, exactly the profile of the DSPIC30F2012-30I/SP: 5V operation, -40C to +85C rating, and a solderable SPDIP footprint that matches 1980s-2000s board assemblies. Its DSP capability upgrades older 8-bit designs with modern filtering and control algorithms on the same 5V rails, while UART/SPI/I2C links to existing HMI and communication hardware. Field technicians can replace the part in a socket without hot-air rework. The dsPIC30F2011 and 3012 same-package siblings provide drop flexibility when the repair demands different memory or analog resources.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2012-30I/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2012-20I/SP | DSPIC30F2011-30I/SP | DSPIC30F2012-30E/SP | DSPIC30F3012-30I/SP |
|---|---|---|---|---|---|
| Package | 28-SPDIP (through-hole) | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same | 28-SPDIP - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Performance (MIPS) | 30 MIPS | 20 MIPS | 30 MIPS | 30 MIPS | 30 MIPS |
| Program Flash | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) | Larger (see data sheet 70139B) |
| Supply Voltage | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V | 3.3 V / 5 V |
| Operating Temperature | -40C to +85C (Industrial) | -40C to +85C | -40C to +85C | Extended (E grade) | -40C to +85C |
| Core Architecture | 16-bit dsPIC30F with DSP engine | 16-bit dsPIC30F with DSP engine | 16-bit dsPIC30F with DSP engine | 16-bit dsPIC30F with DSP engine | 16-bit dsPIC30F with DSP engine |
| Analog Channel Mix | ADC channels per 70139B (2012 configuration) | Identical to this product | Fewer/different analog mix | Identical to this product | Different mix (verify per 70139B) |
| Compiler / Toolchain | MPLAB XC-DSC, MPLAB IDE | MPLAB XC-DSC, MPLAB IDE | MPLAB XC-DSC, MPLAB IDE | MPLAB XC-DSC, MPLAB IDE | MPLAB XC-DSC, MPLAB IDE |
Key Differentiators
- Full 30 MIPS speed grade (vs DSPIC30F2012-20I/SP)
- Full analog channel mix of the 2012 variant (vs DSPIC30F2011-30I/SP)
- 5V industrial operation in through-hole (vs DSPIC30F2012-30I/SO)
- Cost-optimized memory (vs DSPIC30F3012-30I/SP)
Design Notes
Connect VDD (pin 13) to a single 3.3V or 5V rail with 0.1uF ceramic decoupling placed within 5mm of the pin, and provide a bulk 10uF near the board entry. The analog supply pins AVDD (27) and AVSS (28) should be filtered from the digital rail via an RC or ferrite bead network to protect ADC accuracy - a 10-ohm resistor plus 0.1uF is a common arrangement in Microchip reference designs. Keep AVSS tied to a clean analog ground region.
Although the SPDIP is a through-hole legacy package, layout still matters: route the OSC1/OSC2 crystal (pins 9/10) with short traces and load capacitors close to the pins, and keep the PGD/PGC programming pins (25/26) routed to a 5-pin header for in-circuit programming so firmware can be updated without extraction. Separate the PWM output bundle (pins 18-23) from analog inputs AN0-AN5 to prevent gate-drive switching noise coupling into ADC readings.
Watch the Flash budget: 12KB (4K x 24 instruction words) fills quickly once DSP filter libraries and a full control loop are linked; compile with the MPLAB XC-DSC memory usage report and plan the dsPIC30F3012 upgrade early since it shares the same 28-SPDIP footprint. Also confirm the speed-grade suffix: the -20I variant only guarantees 20 MIPS, so code tuned at 30 MIPS timing assumptions will run slower. Do not exceed the -40C to +85C industrial rating in sealed power enclosures.
When the 5V rails drive long PWM cable runs to an inverter, add series resistors or gate-driver buffers on PWM1-PWM3 outputs and use the FLTA fault input (pin 17) in hardware for fast shutdown on overcurrent events rather than firmware-only protection. For ADC signals, source impedance above the datasheet recommendation will increase acquisition error - buffer high-impedance sensors with an op-amp before AN0-AN5.
Compliance Information
Compliance status for this specific orderable was not stated in the retrieved distributor data. Verify RoHS/REACH and lead-free status on the Microchip product page or distributor compliance certificate for the exact date code before production orders.
