DSPIC30F2012-20E/SO - 16-Bit 20MIPS DSC 12KB Flash | Microchip
MPN: DSPIC30F2012-20E/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.79 | $4.79 |
| 10 | $4.29 | $42.90 |
| 100 | $3.65 | $365.00 |
| 500 | $3.2 | $1,600.00 |
| 1,000 | $2.85 | $2,850.00 |
DSPIC30F2012-20E/SO Overview
A Digital Signal Controller combines the peripheral set and ease of use of a microcontroller with the computational throughput of a DSP core. Within the power-management hierarchy of embedded systems, the DSC sits between a general-purpose MCU (such as a PIC16) and a dedicated DSP processor, making it a natural fit for motor control, digital power conversion, and sensor signal processing. The dsPIC30F family executes an modified Harvard architecture with 24-bit instruction words and DSP engine features including a 17-bit x 17-bit multiplier, 40-bit accumulator, and dual operand fetch.
Key features of the DSPIC30F2012 include 20 MIPS sustained throughput at 20 MHz external clock, 12KB self-programmable Flash with in-circuit serial programming (ICSP) support, and the dsPIC30F peripheral ecosystem: UART, SPI, and I2C serial interfaces, an analog-to-digital converter, timers, input capture and output compare channels, and PWM outputs suited for motor and power control. The device operates from a single 5V supply (with 3.3V/5V family flexibility per distributor listings).
Architecture highlights include the DSP engine accumulator and hardware multiply-accumulate for filter and transform algorithms, vectored interrupt handling with priority levels, and a C-compiler-friendly instruction set supported by the MPLAB XC-DSC C/C++ compiler. Development uses Microchip MPLAB X IDE with real-time debugging via hardware tools.
Typical applications include brushed and brushless DC motor control, switch-mode power supplies and digital lighting ballasts, sensor conditioning in industrial control, and embedded systems that need DSP-class math without a separate DSP chip.
Design consideration: choose the 20E (extended, -40C to +125C) suffix only when your environment truly demands it; the I (industrial, -40C to +85C) variant is lower cost for standard industrial use.
This page synthesizes distributor pricing, drop-in alternative analysis, pinout data, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for DSPIC30F2012-20E/SO — 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 DSPIC30F2012-20E/SO (same form factor and footprint) — differing in Core Architecture, Package, DSP Engine, Packaging, Data RAM.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F2012-20I/SO
✅ Drop-In✓ In Stock
$2.41 / Unit
View Datasheet →DSPIC30F2012T-20I/SO
✅ Drop-In✓ In Stock
$4.1 / Unit
View Datasheet →DSPIC30F2011T-20E/SO
✅ Drop-In✓ In Stock
$3.85 / Unit
View Datasheet →DSPIC30F2011-20E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F3012-20E/SO
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$5.95 / Unit
View Datasheet →DSPIC30F3013-20E/SO
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
DSPIC30F2012-20E/SO Maximum Ratings & Electrical Characteristics
| Core | dsPIC30F 16-bit DSC core |
| Core Architecture | 16-bit MCU with DSP engine (modified Harvard) |
| Performance (Dhrystone MIPS) | 20 MIPS |
| Maximum Clock Frequency | 20 MHz |
| Program Memory Size | 12 KB (4K x 24) Flash |
| Program Memory Type | Flash (self-programmable, ICSP) |
| Supply Voltage (Vdd) | 5 V (family supports 3.3 V / 5 V operation) |
| Operating Temperature Range | -40C to +125C (E - extended) |
| Package | 28-SOIC (0.295 in, 7.50 mm width) |
| Number of Pins | 28 |
| Mounting Style | Surface Mount |
| Packaging | Tube |
| Series | dsPIC30F (dsPIC30F2011/2012/3012/3013 group) |
| Communication Interfaces | UART, SPI, I2C |
| RoHS Status | Compliant |
| Lifecycle Status | In Production (per Microchip product page) |
DSPIC30F2012-20E/SO Pin Configuration
| Pin 1 | MCLR — Master clear reset (active low), programming voltage input |
| Pin 2 | AN0/VREF+/CN2/RB0 — Analog input 0 / ADC positive reference / change notification / port B |
| Pin 3 | AN1/VREF-/CN3/RB1 — Analog input 1 / ADC negative reference / change notification / port B |
| Pin 4 | AN2/SS1/LVDIN/CN4/RB2 — Analog input 2 / SPI slave select / low-voltage detect input / port B |
| Pin 5 | AN3/INDX/CN5/RB3 — Analog input 3 / quadrature encoder index / port B |
| Pin 6 | AN4/U1RX/SDA/CN6/RB4 — Analog input 4 / UART1 receive / I2C data / port B |
| Pin 7 | AN5/U1TX/SCL/CN7/RB5 — Analog input 5 / UART1 transmit / I2C clock / port B |
| Pin 8 | VSS — Digital ground |
| 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/SOSCI/T2CK/U2ATX/CN1/RC13 — Emulation debug / secondary oscillator input / Timer2 clock / port C |
| Pin 12 | EMUC1/SOSCO/T1CK/U2ARX/CN0/RC14 — Emulation clock / secondary oscillator output / Timer1 clock / port C |
| Pin 13 | VDD — Positive supply (5 V) |
| Pin 14 | EMUD2/RF2/U1ATX — Emulation debug / port F / alternate UART1 transmit |
| Pin 15 | EMUC2/RF3/U1ARX — Emulation clock / port F / alternate UART1 receive |
| Pin 16 | RF4 — General-purpose port F I/O |
| Pin 17 | RF5 — General-purpose port F I/O |
| Pin 18 | RF6 — General-purpose port F I/O |
| Pin 19 | AVSS — Analog ground |
| Pin 20 | AN10/RB13 — Analog input 10 / port B |
| Pin 21 | AN9/RB12 — Analog input 9 / port B |
| Pin 22 | AN8/RB11 — Analog input 8 / port B |
| Pin 23 | AN7/RB10/INT2 — Analog input 7 / port B / external interrupt 2 |
| Pin 24 | AN6/RB9 — Analog input 6 / port B |
| Pin 25 | AVDD — Analog positive supply |
| Pin 26 | PWM1L/RD0 — PWM1 low-side output / port D |
| Pin 27 | PWM1H/RD1 — PWM1 high-side output / port D |
| Pin 28 | PWM2L/RD2 — PWM2 low-side output / port D |
Typical Applications
DSPIC30F2012-20E/SO is suitable for 6 applications: Brushless DC Motor Control, Switch-Mode Power Supplies and Digital Power, Industrial Sensor Conditioning and Data Acquisition, Embedded Control with UART/RS-485 Communication, Audio Signal Processing and Filtering, Automotive-Adjacent and High-Temperature Embedded Systems.
Brushless DC Motor Control
The DSPIC30F2012-20E/SO fits sensor-based and sensorless BLDC motor control because its 20 MIPS 16-bit DSP core executes commutation and PI current loops with ample headroom, while dedicated PWM output channels drive the three-phase inverter directly. The on-chip ADC samples phase currents and the DC bus for closed-loop torque control, and input-capture peripherals decode hall sensor signals. The extended -40C to +125C temperature grade of the E-suffix part tolerates hot motor-drive enclosures. Running the control loop from a 5V rail also simplifies level shifting to common 5V gate-driver ICs. Per the dsPIC30F family positioning, motor control is the primary target application of the dsPIC30F2012 device group, with reference firmware available from Microchip's application libraries.
Recommended
Switch-Mode Power Supplies and Digital Power
In digital power conversion, the DSPIC30F2012-20E/SO closes voltage- and current-mode feedback loops in SMPS, battery chargers, and lighting ballasts. Its 20 MIPS throughput supports switching frequencies typical of the dsPIC30F class, while the DSP engine's 17x17-bit multiplier and 40-bit accumulator implement the compensator difference equations without software multiply overhead. PWM peripherals generate the drive waveforms, and the ADC digitizes the output rail for regulation. The extended temperature rating suits power supplies mounted in warm enclosures with limited airflow, and the 12KB Flash holds control firmware plus protection and communication routines. Using one programmable DSC instead of analog compensation also allows firmware-adjustable loop tuning across product variants without board changes.
Recommended
Industrial Sensor Conditioning and Data Acquisition
The DSPIC30F2012-20E/SO serves as an intelligent sensor node: its on-chip ADC digitizes analog transducer signals, while the DSP engine applies digital filtering, scaling, and RMS calculations in real time. UART, SPI, and I2C interfaces then forward conditioned data to a supervisory PLC or SCADA network, and spare port pins drive local alarms or relays. The extended -40C to +125C rating allows deployment in outdoor cabinets and near heat-generating machinery where commercial-grade parts would derate. The 12KB Flash accommodates compensation tables, a small protocol stack, and a field-update bootloader. Because the part runs from a single 5V supply, it interfaces directly with legacy industrial 5V sensors without additional level-translation circuitry, reducing BOM cost.
Recommended
Embedded Control with UART/RS-485 Communication
For general embedded control nodes that must talk over serial links, the DSPIC30F2012-20E/SO provides a hardware UART for RS-232 or RS-485 (with external transceiver), plus SPI and I2C for local peripherals such as EEPROMs, displays, and RTCs. The 20 MIPS core runs the application logic and the protocol handling concurrently under a vectored interrupt scheme, so communication latency stays predictable. The 28-SOIC footprint is small enough for distributed I/O boards yet hand-solderable for prototyping in tube packaging. The E-grade temperature range suits factory-floor and rooftop equipment. This profile makes the part a common choice for gateways, metering front-ends, and building-automation control points built on the mature dsPIC30F ecosystem.
Recommended
Audio Signal Processing and Filtering
The DSP engine of the DSPIC30F2012-20E/SO - a 17x17-bit hardware multiplier with dual 40-bit accumulators - executes FIR and IIR filters, mixing, and envelope detection suitable for low-channel-count audio processing such as tone generation, active crossovers in compact speakers, and acoustic limiters. At 20 MIPS the device sustains sample rates appropriate to these embedded-audio tasks while UART or SPI streams digitized audio to or from external codecs. The 12KB Flash holds filter coefficients, the processing kernel, and a boot routine. Designers choose this part over a general PIC16 when multiply-accumulate throughput is the bottleneck, and over a standalone DSP when integrated peripherals and 5V I/O simplify the board. The -40C to +125C grade supports automotive-adjacent audio modules.
Recommended
Automotive-Adjacent and High-Temperature Embedded Systems
The E temperature grade of the DSPIC30F2012-20E/SO (-40C to +125C) targets under-hood-adjacent and high-heat applications: solenoid and pump controllers, actuators, glow-plug timers, and control boards mounted inside sealed enclosures exposed to solar loading. The 5V-tolerant I/O drives industrial drivers directly, PWM outputs control actuators, and the ADC reads feedback sensors, all within one DSC rated for the extended range. Note that this commercial part is not AEC-Q100 qualified; for fully automotive-qualified designs, select Microchip's automotive-graded variants. Within its rating envelope, the part delivers 20 MIPS of control performance with a self-programmable 12KB Flash supporting field firmware updates over UART, keeping deployed units serviceable across the product lifecycle.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F2012-20E/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F2012-20I/SO | DSPIC30F2012T-20I/SO | DSPIC30F2011T-20E/SO | DSPIC30F3013-20E/SO |
|---|---|---|---|---|---|
| Package | 28-SOIC (7.50mm) | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same | 28-SOIC (7.50mm) - same |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Core Performance | 16-bit, 20 MIPS | 16-bit, 20 MIPS | 16-bit, 20 MIPS | 16-bit, 20 MIPS | 16-bit, 20 MIPS |
| Program Flash | 12 KB (4K x 24) | 12 KB (4K x 24) | 12 KB (4K x 24) | 6 KB (2K x 24) | 12 KB (4K x 24) |
| Supply Voltage | 5 V | 5 V | 5 V | 5 V | 5 V |
| Operating Temperature | -40C to +125C (E) | -40C to +85C (I) | -40C to +85C (I) | -40C to +125C (E) | -40C to +125C (E) |
| Pin Compatibility | dsPIC30F 28-SOIC pinout | Identical (same die) | Identical (same die) | Pin-to-pin compatible | Pin-to-pin compatible |
Key Differentiators
- Extended temperature range for hot environments (vs DSPIC30F2012-20I/SO)
- Double the program memory of the budget variant (vs DSPIC30F2011T-20E/SO)
- Tube packaging suited to prototyping and low-volume builds (vs DSPIC30F2012T-20I/SO)
Design Notes
Decouple VDD (pin 13) and AVDD (pin 25) independently: place a 0.1uF ceramic capacitor within 5mm of each pin, plus a 4.7uF-10uF bulk capacitor near the device. Tie AVSS (pin 19) to a clean analog ground return; if the ADC is used, star-connect the analog ground to digital ground at a single point to prevent digital switching noise from corrupting conversions. AVDD may be filtered from VDD through an RC or ferrite network for better ADC accuracy.
Do not float MCLR (pin 1). Use a 1k-10k pull-up to VDD and consider a series resistor if an external programmer connects, since ICSP applies programming voltage on MCLR. If the secondary oscillator or default oscillator modes are not used, verify configuration bits for the correct clock source at programming time - an incorrect oscillator configuration is the most common cause of a dsPIC30F board that powers up but never runs. OSC1/OSC2 (pins 9-10) crystal circuits need appropriate load capacitors per the crystal datasheet.
Estimated: a 28-SOIC DSC at 20 MIPS with 5V I/O driving PWM loads typically dissipates well under 0.5W, so a standard 28-SOIC footprint with minimum copper pour is thermally adequate in still air. For the extended -40C to +125C grade, verify that local ambient near the IC stays below the rating derated by self-heating; add ground pour under and around the SOIC body to spread heat when mounted near power electronics.
Keep the crystal traces (OSC1/OSC2) short, symmetric, and guarded by ground. Route PWM outputs (pins 26-28) away from analog inputs AN0-AN10 to minimize capacitive coupling into ADC channels, and use series resistors on long PWM runs to gate drivers to control ringing. Reserve ICSP header access (MCLR, VDD, VSS, PGD/PGC on the port pins used for programming) on production boards for field firmware updates - the 12KB self-programmable Flash makes this inexpensive to support.
Compliance Information
RoHS-compliant surface-mount SO package per distributor listings (DigiKey, Hotenda). Not an AEC-Q100 automotive-qualified part number; the E grade is an extended temperature rating only.
