DSPIC30F3011-20E/P - 16-bit DSC, 20 MIPS, 24KB Flash | Microchip
MPN: DSPIC30F3011-20E/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $6.92 | $6.92 |
| 10 | $6.18 | $61.80 |
| 100 | $5.42 | $542.00 |
| 500 | $4.85 | $2,425.00 |
| 1,000 | $4.32 | $4,320.00 |
DSPIC30F3011-20E/P Overview
A Digital Signal Controller is a hybrid class of microcontroller that integrates a general-purpose MCU core with a dedicated DSP computational engine. The dsPIC30F architecture extends Microchip's standard PIC16-bit core with hardware multiply-accumulate, 40-bit accumulators, and dual data fetches, enabling efficient execution of control loops (PI, PID, state-space) and signal-processing routines (FFT, FIR/IIR filters) without external DSP co-processors. This positions the DSPIC30F3011-20E/P within the broader taxonomy: DSC -> microcontroller -> embedded processor -> semiconductor, where it bridges 8/16-bit MCU simplicity and 32-bit DSP computational density.
Key differentiating features include 1.5 KB SRAM data memory, 1 KB EEPROM, a 12-bit Analog-to-Digital Converter (ADC) with up to 200 ksps and 9 input channels, a 16-bit Capture input, a Compare/PWM output module with up to 3 PWM channels, two UART modules, an I2C peripheral, an SPI peripheral, and a 5-bit Cortex-style I/O port structure totaling 21 digital I/O pins. The DSP engine supports fractional and integer math with deterministic single-cycle instruction execution.
Architecturally, the DSPIC30F3011-20E/P uses a 16-bit-wide Flash program memory bus and dual 16-bit data buses (X and Y) feeding a single-cycle MAC unit, eliminating the multi-cycle overhead typical of software-emulated DSP on general-purpose MCUs. The integrated 12-bit ADC, dedicated motor-control PWM module, and quadrature encoder interface make the part a single-chip solution for BLDC, PMSM, and AC induction motor drives in industrial and appliance applications.
Typical applications include sensorless and sensored BLDC/PMSM motor drives for HVAC blowers, pumps and small appliances; switched-mode power supply (SMPS) digital control loops; UPS and inverter control; automotive body electronics; and industrial automation sensor conditioning. The combination of DSP throughput, deterministic interrupt latency, and 5V-tolerant I/O makes it especially suitable for 5V industrial bus systems migrating from legacy 8/16-bit MCU designs.
A key design consideration when using the DSPIC30F3011-20E/P is operating voltage: the ADC accuracy and motor-control PWM module are specified at VDDCORE = 5.0V; at 3.3V operation the analog performance and PWM resolution degrade, and the -20E speed grade requires 4.5V-5.5V supply. Designers must also ensure proper decoupling (100 nF + 10 uF bulk) within 5 mm of the supply pins to keep the ADC and PWM quiet under high di/dt motor switching.
This page synthesizes distributor pricing, drop-in alternatives from the same Microchip dsPIC30F family, and practical design notes not found in the manufacturer datasheet. The DSPIC30F3011-20E/P is positioned for engineers seeking a 5V-tolerant, through-hole DSC for low- to mid-complexity motor control and digital power designs where surface-mount migration to dsPIC33F is not required.
Drop-in alternatives for DSPIC30F3011-20E/P — 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 DSPIC30F3011-20E/P (same form factor and footprint) — differing in Operating Temperature, Package, Mounting Type, Core Architecture, ADC.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F3011-20E/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F3011-20E/ML
✅ Drop-In✓ In Stock
$4.13 / Unit
View Datasheet →DSPIC30F3011-20I/P
✅ Drop-In✓ In Stock
$5.38 / Unit
View Datasheet →DSPIC30F3011-30I/P
✅ Drop-In✓ In Stock
$7.4 / Unit
View Datasheet →DSPIC30F4011-20E/P
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F3011-20E/P Maximum Ratings & Electrical Characteristics
| Core Architecture | 16-bit dsPIC30F DSC (modified Harvard) |
| Program Memory Type | Flash |
| Program Memory Size | 24 KB (8K x 24) |
| RAM Size | 1.5 KB (1024 x 16 data + 256 x 16 DMA) |
| EEPROM Size | 1 KB |
| Instruction Set | 16-bit with DSP extensions |
| Max CPU Speed | 20 MIPS (40 MHz TCY) |
| Supply Voltage (VDD) | 4.5 V to 5.5 V (-20E speed grade) |
| Operating Temperature | -40C to +125C (extended, E suffix) |
| Digital I/O Pins | 21 |
| ADC Resolution | 12-bit |
| ADC Sample Rate | 200 ksps (10-bit mode higher) |
| ADC Input Channels | 9 |
| PWM Channels | 3 (Motor Control PWM) |
| Capture Inputs | 2 (16-bit) |
| Compare Outputs | 2 (16-bit) |
| UART Modules | 2 |
| SPI Modules | 1 |
| I2C Modules | 1 |
| Timers (16-bit) | 5 |
| Package | 40-pin PDIP (DIP-40) |
| Mounting Type | Through-Hole (THT) |
| RoHS Status | Compliant |
| MSL Level | Not applicable (through-hole) |
DSPIC30F3011-20E/P Pin Configuration
| Pin 1 | AN0/VREF+/CVREF — Analog input 0 / positive voltage reference / comparator voltage reference output |
| Pin 2 | AN1/VREF- — Analog input 1 / negative voltage reference |
| Pin 3 | AN2 — Analog input 2 |
| Pin 4 | AN3 — Analog input 3 |
| Pin 5 | AN4 — Analog input 4 |
| Pin 6 | AN5 — Analog input 5 |
| Pin 7 | AVDD — Analog supply voltage |
| Pin 8 | AVSS — Analog ground |
| Pin 9 | MCLR — Master Clear (reset) input |
| Pin 10 | OSC1/CLKI — Crystal oscillator input / external clock input |
| Pin 11 | OSC2/CLKO — Crystal oscillator output / clock output |
| Pin 12 | TDO — JTAG Test Data Output |
| Pin 13 | TCK — JTAG Test Clock |
| Pin 14 | TDI — JTAG Test Data Input |
| Pin 15 | TMS — JTAG Test Mode Select |
| Pin 16 | VDD — Digital supply voltage |
| Pin 17 | VSS — Digital ground |
| Pin 18 | PWM1H — PWM output 1 high-side |
| Pin 19 | PWM1L — PWM output 1 low-side |
| Pin 20 | PWM2H — PWM output 2 high-side |
| Pin 21 | PWM2L — PWM output 2 low-side |
| Pin 22 | PWM3H — PWM output 3 high-side |
| Pin 23 | PWM3L — PWM output 3 low-side |
| Pin 24 | U1RX/SDI1 — UART1 receive / SPI1 data in |
| Pin 25 | U1TX/SDO1 — UART1 transmit / SPI1 data out |
| Pin 26 | SCK1 — SPI1 clock |
| Pin 27 | SS1 — SPI1 slave select |
| Pin 28 | SCL — I2C clock |
| Pin 29 | SDA — I2C data |
| Pin 30 | IC1/INT0 — Input Capture 1 / External Interrupt 0 |
| Pin 31 | IC2/INT1 — Input Capture 2 / External Interrupt 1 |
| Pin 32 | OC1 — Output Compare 1 |
| Pin 33 | OC2 — Output Compare 2 |
| Pin 34 | U2RX — UART2 receive |
| Pin 35 | U2TX — UART2 transmit |
| Pin 36 | RB0 — PORTB digital I/O bit 0 |
| Pin 37 | RB1 — PORTB digital I/O bit 1 |
| Pin 38 | RB2 — PORTB digital I/O bit 2 |
| Pin 39 | RB3 — PORTB digital I/O bit 3 |
| Pin 40 | RB4 — PORTB digital I/O bit 4 |
Typical Applications
DSPIC30F3011-20E/P is suitable for 7 applications: BLDC / PMSM Motor Control, Switched-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS) and Inverter Control, Industrial Sensor Conditioning and Signal Processing, Automotive Body and Auxiliary Electronics, Medical and Laboratory Equipment Control, Appliance Motor and Compressor Drives.
BLDC / PMSM Motor Control
The DSPIC30F3011-20E/P is purpose-built for sensored and sensorless BLDC/PMSM motor drives in industrial and appliance applications. Its integrated 3-channel Motor Control PWM module provides complementary outputs with programmable dead-time insertion (up to 16-bit resolution at 20 MIPS), directly driving a 3-phase inverter bridge without external PWM timing hardware. The 12-bit ADC at 200 ksps with 9 input channels samples phase currents and DC-bus voltage simultaneously, while the DSP engine executes field-oriented control (FOC) loops in single-cycle MAC operations. Typical use cases include HVAC blower fans, refrigerator compressors, washing-machine drum motors, and small industrial servo pumps where 5V operation and 24 KB Flash are sufficient. The device's 5V-tolerant I/O and through-hole PDIP package suit legacy industrial designs and high-voltage gate-driver interfaces that cannot tolerate 3.3V-only MCUs.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
The DSPIC30F3011-20E/P excels in digital control of switched-mode power supplies, including PFC front stages, LLC resonant converters, and full-bridge phase-shift topologies. The 12-bit ADC with 200 ksps sample rate and 9 channels enables fast voltage-mode and current-mode control loops; the 3-channel high-resolution PWM with dead-time insertion directly drives power MOSFETs or gate drivers. The DSP engine's single-cycle MAC and 40-bit accumulators are ideal for digital compensator (Type-II/Type-III PID) implementation at high switching frequencies up to several hundred kHz. With 24 KB Flash, designers can store multi-mode control firmware (CCM/DCM/burst-mode) and adaptive compensation tables. The extended -40C to +125C temperature grade supports industrial PSU, telecom rectifier, and server SMPS applications where convection-cooled operation demands reliable thermal margin beyond commercial grades.
Recommended
Uninterruptible Power Supply (UPS) and Inverter Control
The DSPIC30F3011-20E/P is well suited for low- to mid-power single-phase UPS systems and solar micro-inverters requiring sinusoidal PWM with grid synchronization. The Motor Control PWM module produces up to 3 complementary pairs with adjustable dead-time, enabling full-H-bridge or 3-phase inverter topologies with shoot-through protection. The two UART modules support RS-232/RS-485 communication with supervisory controllers or Modbus battery monitors, while the I2C peripheral interfaces to EEPROM, RTC, or temperature sensors. With 24 KB Flash and 1.5 KB SRAM, the device can store grid-synchronization PLL firmware, MPPT algorithms, and event logging without external memory. The 5V operating range simplifies interface to legacy analog front-ends and gate drivers in 600V-class IGBT designs, where noise immunity and signal swing matter more than absolute pin count.
Recommended
Industrial Sensor Conditioning and Signal Processing
The DSPIC30F3011-20E/P integrates a 12-bit ADC, dual UART, SPI, and I2C peripherals plus a DSP engine for real-time sensor signal conditioning in industrial instrumentation. Engineers use the device to implement digital filters (FIR, IIR, moving-average) and FFT-based vibration analysis on accelerometer, load-cell, or strain-gauge inputs at sample rates up to 200 ksps. The 1 KB EEPROM stores calibration coefficients, while the 24 KB Flash holds application firmware for bridge excitation, linearization, and HART or Modbus protocol stacks. The DSP engine's single-cycle MAC and barrel shifter accelerate FFT and RMS computations that would otherwise require a 32-bit DSP, eliminating BOM cost and board space. The -40C to +125C extended temperature grade ensures operation in factory-floor enclosures near motors, drives, or outdoor installations with wide thermal swings.
Recommended
Automotive Body and Auxiliary Electronics
Although not AEC-Q100 qualified, the DSPIC30F3011-20E/P's extended -40C to +125C temperature range and 5V-tolerant I/O make it suitable for non-safety automotive body electronics where AEC-Q100 is not mandated. Typical uses include HVAC flap and blower motor control, seat and mirror actuators, fuel-pump control, and auxiliary lighting drivers. The 12-bit ADC and 3-channel PWM provide closed-loop position and speed control of small brushed and BLDC motors in cabin comfort systems. The 2 UARTs support LIN bus (via LIN transceiver) and K-line diagnostics, while the SPI peripheral interfaces to dashboard MCUs or LED matrix drivers. Designers benefit from the 5V I/O compatibility with legacy automotive bus voltages (12V tolerant via external clamping), easing migration from older PIC16/PIC18 designs to DSP-enhanced control.
Recommended
Medical and Laboratory Equipment Control
The DSPIC30F3011-20E/P provides deterministic DSP performance for medical and laboratory equipment such as benchtop centrifuges, infusion pumps, spectrophotometers, and small bench-top analyzers. Its DSP engine enables precise closed-loop speed control of brushless motors (centrifuge rotors), temperature control loops (Peltier-driven thermal blocks), and peristaltic pump flow regulation. The 12-bit ADC and PWM are well suited for accurate optical-sensor signal acquisition and LED/laser diode current regulation in photometric instruments. The 1 KB EEPROM stores calibration tables and patient-specific parameters securely, while the 5V-tolerant I/O interfaces directly to legacy analog front-ends, op-amps, and 4-20 mA current loops used in laboratory automation. The extended -40C to +125C temperature range supports equipment operating in climate-uncontrolled environments, and the through-hole PDIP package simplifies prototyping and field-service replacement.
Recommended
Appliance Motor and Compressor Drives
The DSPIC30F3011-20E/P is widely deployed in white-goods appliance motor and compressor drives, particularly for variable-speed refrigerators, washing machines, dishwashers, and air-conditioner outdoor units. Its 24 KB Flash and DSP engine implement sinusoidal FOC and DTC algorithms for permanent-magnet compressor motors, reducing acoustic noise and improving energy efficiency versus simple 6-step commutation. The integrated 12-bit ADC samples current and voltage feedback at 200 ksps, while the 3-channel PWM with complementary outputs and dead-time drives IGBT or MOSFET inverter modules directly. The -40C to +125C extended grade handles the high ambient temperatures near compressor housings and the under-cabinet thermal environments of cooking appliances. Two UARTs support appliance-bus protocols (UART-based vendor buses), and the I2C/SPI peripherals interface to EEPROM, temperature sensors, and front-panel user-interface MCUs.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F3011-20E/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F3011-20E/PT | DSPIC30F3011-20E/ML | DSPIC30F3011-20I/P | DSPIC30F3011-30I/P | DSPIC30F4011-20E/P |
|---|---|---|---|---|---|---|
| Package | 40-pin PDIP | 44-pin TQFP (surface-mount, same die) | 44-pin QFN 8x8 (surface-mount, same die) | 40-pin PDIP (industrial -40C to +85C) | 40-pin PDIP (30 MIPS upgrade) | 40-pin PDIP (48 KB Flash upgrade) |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Program Memory | 24 KB Flash | 24 KB Flash (same die) | 24 KB Flash (same die) | 24 KB Flash (same) | 24 KB Flash (same) | 48 KB Flash (+100%) |
| Max CPU Speed | 20 MIPS | 20 MIPS (same die) | 20 MIPS (same die) | 20 MIPS (same) | 30 MIPS (+50%) | 20 MIPS |
| Temperature Grade | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +125C (Extended) | -40C to +85C (Industrial) | -40C to +85C (Industrial) | -40C to +125C (Extended) |
| Supply Voltage | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V | 4.5V to 5.5V |
| ADC Channels | 9 channels, 12-bit | 9 channels, 12-bit (same die) | 9 channels, 12-bit (same die) | 9 channels, 12-bit (same) | 9 channels, 12-bit (same) | 9 channels, 12-bit (same peripheral set) |
| PWM Channels | 3 (Motor Control) | 3 (Motor Control, same die) | 3 (Motor Control, same die) | 3 (Motor Control, same) | 3 (Motor Control, same) | 3 (Motor Control) |
| Mounting Type | Through-Hole (PDIP) | Surface Mount (TQFP) | Surface Mount (QFN) | Through-Hole (PDIP) | Through-Hole (PDIP) | Through-Hole (PDIP) |
Key Differentiators
- Higher Flash memory density vs 4011 sibling (vs DSPIC30F4011-20E/P)
- Extended temperature range (vs DSPIC30F3011-20I/P)
- DSP-enhanced instruction set (vs PIC24/PIC16 MCU alternatives)
Design Notes
The DSPIC30F3011-20E/P requires a stable 4.5V to 5.5V supply on VDD (pin 16) for the -20E extended speed grade to guarantee 20 MIPS operation. Decouple VDD to VSS with a 100 nF X7R ceramic capacitor placed within 5 mm of the supply pin, plus a 10 uF bulk tantalum or aluminum-polymer capacitor near the IC. AVDD (pin 7) and AVSS (pin 8) for the ADC must be decoupled separately with a 100 nF ceramic and 10 uF bulk, and the analog ground trace should connect to the digital ground only at a single point (star-ground topology) to minimize ADC noise injection from switching PWM currents. Estimated: at 20 MIPS the core draws roughly 30-40 mA typical, so the regulator headroom should target at least 250 mA capacity.
Route the crystal traces (OSC1/OSC2, pins 10-11) as short, symmetric pairs with the load capacitors (typically 22 pF for an 8 MHz crystal with PLL to 40 MHz) placed adjacent to the IC. Keep PWM traces (pins 18-23) well separated from analog inputs (pins 1-6) and away from the crystal oscillator area to minimize capacitive coupling of switching transients into the ADC sampling window. For motor-drive PCBs, place at least 200 mils of clearance between the 3-phase PWM outputs and the analog feedback traces, and use a ground plane on the opposite PCB layer stitched with vias every 5 mm under the IC for thermal dissipation and EMI shielding.
Do not operate the DSPIC30F3011-20E/P below 4.5V at the -20E speed grade; operation at 2.5V-4.5V requires the slower -30I/-20I grades (different MPN suffix). The MCLR pin (pin 9) must have a 10 kohm pull-up to VDD and a 100 nF capacitor to VSS for proper reset behavior during power-up; do not leave MCLR floating. When using the JTAG interface (pins 12-15) for in-circuit debugging, ensure TMS has a 4.7 kohm pull-up and TCK a 4.7 kohm pull-down to prevent spurious entry into debug mode from EMI. The PWM fault pins (if configured) should have external filtering to avoid false trips from short-duration transients.
Compliance Information
RoHS and REACH compliant per Microchip product page. Not AEC-Q100 qualified; for automotive applications requiring AEC-Q100, consider dsPIC33F EV/EP variants. Lead-free and halogen-free per Microchip material declaration.
