DSPIC30F3014-30I/P - 16-bit DSC, 24KB Flash, 40MHz | Microchip
MPN: DSPIC30F3014-30I/P ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $7.2 | $7.20 |
| 10 | $6.4 | $64.00 |
| 100 | $5.55 | $555.00 |
| 500 | $4.95 | $2,475.00 |
| 1,000 | $4.4 | $4,400.00 |
DSPIC30F3014-30I/P Overview
A Digital Signal Controller (DSC) is a hybrid device that merges a microcontroller (MCU) with a Digital Signal Processor (DSP) on a single core. The dsPIC30F architecture adds a hardware MAC, barrel shifter, and 40-bit accumulators to a 16-bit modified-Harvard RISC engine, enabling single-cycle MAC operations. DSCs sit in the hierarchy between microcontrollers (no DSP engine) and dedicated DSPs (no MCU peripherals). They excel in mixed control-and-signal tasks where deterministic control loops and high-throughput DSP filtering must coexist on the same silicon.
Key features include 12-bit ADC with up to 200 ksps conversion rate, up to six PWM channels with complementary outputs and dead-time control for motor drive, three 16-bit timers/counters, two UART modules, one SPI, one I2C, and a real-time clock. The motor-control PWM module supports center-aligned, edge-aligned, and multiple operating modes. The integrated DSP engine with 17-bit x 17-bit single-cycle MAC and 40-bit accumulator delivers 16 MIPS of DSP throughput.
The device is built on a 5V-tolerant CMOS process with industrial temperature range (-40C to +85C for the I suffix) and on-chip RC oscillator. Its peripheral set is tailored for sensorless BLDC, AC induction, and switched-mode power-supply control. A seamless migration path exists from this device to dsPIC33F and PIC24 families in the same package.
Typical applications include sensored and sensorless BLDC/PMSM motor drives, uninterruptible power supplies (UPS), power-factor correction (PFC) stages, induction-motor control, and general digital-filtering tasks. The 40-pin PDIP package supports through-hole prototyping and hobbyist motor-control projects.
When designing with the DSPIC30F3014-30I/P, ensure the input voltage is decoupled with a 10 uF bulk + 0.1 uF ceramic combination near the AVDD/VDD pins, and route the analog/digital grounds separately back to a single star point. Note that the device is rated for 30 MIPS at the -30I speed grade (vs 40 MIPS on the -40I grade) - this affects the PWM frequency ceiling and DSP throughput headroom.
This page synthesizes distributor pricing, drop-in pin-compatible alternatives (same dsPIC30F family), and practical design considerations not found in the manufacturer datasheet alone.
Drop-in alternatives for DSPIC30F3014-30I/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 DSPIC30F3014-30I/P (same form factor and footprint) — differing in ADC, Core Architecture, Timers, Mounting Type, Package.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
DSPIC30F3014-20I/PT
✅ Drop-In✓ In Stock
$3.25 / Unit
View Datasheet →DSPIC30F3014-30I/PT
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F3013-30I/P
✅ Drop-In📋 Reference alternative (not in catalog)
DSPIC30F4013-30I/P
✅ Drop-In✓ In Stock
$7.75 / Unit
View Datasheet →DSPIC30F3012-30I/P
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →DSPIC30F3011-30I/P
✅ Drop-In✓ In Stock
$7.4 / Unit
View Datasheet →DSPIC30F3014-30I/P Maximum Ratings & Electrical Characteristics
| Product Family | dsPIC30F |
| Core Architecture | 16-bit DSC (modified Harvard RISC + DSP engine) |
| Program Memory | 24 KB Flash |
| RAM | 1.5 KB |
| Maximum CPU Speed | 30 MIPS (40 MHz) |
| Supply Voltage Range | 2.5 V to 5.5 V |
| Operating Temperature Range | -40C to +85C (Industrial, I suffix) |
| ADC | 10/12-bit, up to 200 ksps, multiple channels |
| PWM Channels | Up to 6 channels with complementary outputs and dead-time |
| Timers | Three 16-bit timers/counters |
| Communication Interfaces | 2x UART, 1x SPI, 1x I2C |
| Package | 40-pin PDIP (P) |
| Mounting Type | Through-Hole |
| DSP Engine | 17-bit x 17-bit single-cycle MAC, 40-bit accumulator, barrel shifter |
| RoHS Status | Compliant |
| Speed Grade Suffix | -30 (30 MIPS @ 5V) |
DSPIC30F3014-30I/P Pin Configuration
| Pin 1 | MCLR — Master Clear (Reset) input, active-low |
| Pin 2 | OSC1 — Oscillator crystal input / external clock input |
| Pin 3 | OSC2 — Oscillator crystal output |
| Pin 4 | RA0 — Port A bit 0 / AN0 analog input |
| Pin 5 | RA1 — Port A bit 1 / AN1 analog input |
| Pin 6 | RA2 — Port A bit 2 / AN2 analog input |
| Pin 7 | RA3 — Port A bit 3 / AN3 analog input |
| Pin 8 | RA4 — Port A bit 4 / AN4 analog input |
| Pin 9 | AVDD — Analog supply voltage |
| Pin 10 | AVSS — Analog ground |
| Pin 11 | RB0 — Port B bit 0 / PWM1L |
| Pin 12 | RB1 — Port B bit 1 / PWM1H |
| Pin 13 | RB2 — Port B bit 2 / PWM2L |
| Pin 14 | RB3 — Port B bit 3 / PWM2H |
| Pin 15 | RB4 — Port B bit 4 / PWM3L |
| Pin 16 | RB5 — Port B bit 5 / PWM3H |
| Pin 17 | RB6 — Port B bit 6 / AN6 / OC1 |
| Pin 18 | RB7 — Port B bit 7 / AN7 |
| Pin 19 | RC13 — Port C bit 13 / U1TX |
| Pin 20 | RC14 — Port C bit 14 / U1RX |
| Pin 21 | VSS — Digital ground |
| Pin 22 | VDD — Digital supply voltage |
| Pin 23 | RC1 — Port C bit 1 / U1CTS |
| Pin 24 | RC2 — Port C bit 2 / U1RTS |
| Pin 25 | RC3 — Port C bit 3 / SCK1 |
| Pin 26 | RC4 — Port C bit 4 / SDI1 |
| Pin 27 | RC5 — Port C bit 5 / SDO1 |
| Pin 28 | RD0 — Port D bit 0 / INT0 |
| Pin 29 | RD1 — Port D bit 1 / SDA1 |
| Pin 30 | RD2 — Port D bit 2 / SCL1 |
| Pin 31 | RD3 — Port D bit 3 / T1CK |
| Pin 32 | RD4 — Port D bit 4 / T2CK |
| Pin 33 | RD5 — Port D bit 5 / T3CK |
| Pin 34 | RD8 — Port D bit 8 / IC1 |
| Pin 35 | RD9 — Port D bit 9 / IC2 |
| Pin 36 | RD10 — Port D bit 10 / IC3 |
| Pin 37 | RD11 — Port D bit 11 / OC2 |
| Pin 38 | VSS — Digital ground (second) |
| Pin 39 | VDD — Digital supply voltage (second) |
| Pin 40 | PGECx/PGEDx — ICSP programming/debug clock and data (multi-function pins) |
Typical Applications
DSPIC30F3014-30I/P is suitable for 6 applications: Sensorless BLDC / PMSM Motor Control, AC Induction Motor (ACIM) V/Hz and Vector Control, Switched-Mode Power Supply (SMPS) Digital Control, Uninterruptible Power Supply (UPS) and Inverter, Industrial Sensor Signal Conditioning, Audio Effects / General-Purpose DSP Prototyping.
Sensorless BLDC / PMSM Motor Control
The DSPIC30F3014-30I/P's 6-channel motor-control PWM with programmable dead-time insertion and 12-bit ADC running at 200 ksps make it a strong fit for sensorless brushless DC (BLDC) and permanent-magnet synchronous motor (PMSM) drives. The 30 MIPS DSP engine executes single-cycle 17-bit x 17-bit MAC operations, which is sufficient to run Field-Oriented Control (FOC) and Back-EMF zero-crossing detection at PWM frequencies up to 20 kHz. Per Microchip AN1078 and AN1299, this part is widely used in ceiling fans, e-bike controllers, and small industrial pumps. Power dissipation is modest at 5V operation, but thermal relief is recommended for continuous high-load motor drives.
Recommended
AC Induction Motor (ACIM) V/Hz and Vector Control
For AC induction motor drives, the DSPIC30F3014-30I/P's PWM module can generate the complementary 3-phase outputs needed for an ACIM inverter with dead-time to prevent shoot-through. The integrated 12-bit ADC samples motor currents synchronously to the PWM, enabling slip-frequency V/Hz control or entry-level indirect field-oriented control. The 24 KB Flash comfortably fits state-machine ACIM firmware, leaving room for application-layer code. Industrial drives up to about 1 HP (750 W) are typical for this MCU class, using IGBT or MOSFET gate drivers downstream.
Recommended
Switched-Mode Power Supply (SMPS) Digital Control
Digital control of SMPS topologies (PFC, LLC, full-bridge, buck) benefits from the DSPIC30F3014-30I/P's 30 MIPS throughput and 12-bit ADC. The high PWM resolution and adjustable dead-time allow digital implementation of PFC boost converters and LLC resonant half-bridge controllers at switching frequencies up to 250 kHz. The on-chip DSP enables digital compensation loops (Type-II/III) replacing analog op-amp compensators. The 5V tolerance simplifies interface to analog gate-driver bias networks. The 24 KB Flash is sufficient for PFC plus LLC dual-stage firmware.
Recommended
Uninterruptible Power Supply (UPS) and Inverter
Single-phase and small three-phase UPS / inverter designs leverage the DSPIC30F3014-30I/P for SPWM generation, sine-table lookup, and RMS regulation loops. The DSP engine runs the sine PWM and battery-management state machine in parallel without timing jitter. The 5V-tolerant I/O simplifies interface to battery-monitoring analog front ends, while the integrated ADC samples battery voltage and current simultaneously. Output power levels of 300 VA to 1 kVA are realistic for this MCU class with external IGBT/MOSFET bridge.
Recommended
Industrial Sensor Signal Conditioning
For industrial sensors requiring on-board DSP filtering (low-pass, high-pass, RMS), the DSPIC30F3014-30I/P's DSP engine computes IIR/FIR filters faster than a software-only MCU. Applications include weigh scales, flow meters, and pressure transducers. The 12-bit ADC provides 200 ksps throughput suitable for vibration analysis and FFT-based condition monitoring. The 5V supply is convenient for industrial 4-20 mA loops, and the industrial -40C to +85C temperature range covers factory environments.
Recommended
Audio Effects / General-Purpose DSP Prototyping
Although not optimized for audio, the DSPIC30F3014-30I/P can perform basic audio effects (biquad EQ, delay, chorus) at 8 kHz-22 kHz sample rates. Per the 70138b datasheet, the DSP engine delivers 16 MIPS for MAC operations, enough for simple multi-band audio processing. The UART/SPI interfaces drive external CODECs such as the MCP6022 audio path. This makes the part attractive for hobbyists and engineering education on DSC concepts.
Recommended
Recommended Products Summary
Engineering reference data for DSPIC30F3014-30I/P — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | DSPIC30F3014-20I/P | DSPIC30F3014-30I/PT | DSPIC30F3013-30I/P | DSPIC30F4013-30I/P | DSPIC30F3012-30I/P | DSPIC30F3011-30I/P |
|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 40-pin PDIP | 40-pin PDIP - same | 44-pin TQFP - different | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same | 40-pin PDIP - same |
| Maximum MIPS | 30 MIPS | 20 MIPS (-33%) | 30 MIPS | 30 MIPS | 30 MIPS | 30 MIPS | 30 MIPS |
| Supply Voltage | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V | 2.5V to 5.5V |
| Temperature Range | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) | -40C to +85C (I) |
| Approximate Unit Price (qty 100) | USD 5.55 | Lower (typically -10%) | Slightly higher (TQFP) | Comparable | Higher (+15-25%) | Comparable | Comparable |
Key Differentiators
- Full motor-control PWM module integrated (vs DSPIC30F3014-20I/P)
- Higher Flash density within same package (vs DSPIC30F3012-30I/P)
- Drop-in upgrade path to 48 KB Flash variant (vs DSPIC30F4013-30I/P)
- Through-hole prototyping package (vs DSPIC30F3014-30I/PT (TQFP))
Design Notes
Decouple each VDD/AVDD pair with a 0.1 uF ceramic capacitor placed within 5 mm of the pins, plus a single 10 uF bulk tantalum or ceramic capacitor at the supply entry point. For motor-control designs, route AVDD through a ferrite bead from VDD to isolate noisy digital return currents from the ADC reference. The on-chip voltage regulator provides the 2.5V core; no external core supply is needed. Always bulk-decouple the MCLR pin with 1 nF to VSS for proper reset behavior.
Keep analog signal traces (ADC inputs, VREF+) short and away from PWM outputs and switching-node traces. The 12-bit ADC is sensitive to switching noise injected via ground bounce. Use a single ground plane split under the IC with analog and digital grounds connected only at the IC's AVSS pin (star-ground topology). Place the crystal/oscillator within 1 cm of OSC1/OSC2 and guard with a ground ring.
Do not assume any GPIO can source > 5 mA without checking the IOL/IOH specs; sourcing beyond the rating damages the pin. The PWM outputs can source/sink up to 25 mA but should still drive external gate drivers rather than directly switch MOSFETs. Verify that the ADC input voltage stays within AVSS-0.3V to AVDD+0.3V or the input protection diode will forward-bias and corrupt the reading.
When using the on-chip DSP engine at full 30 MIPS, ensure that interrupt latency is acceptable for your control loop; the 70138b datasheet lists a 4-cycle interrupt latency. For motor-control PWM, configure the PWM module to trigger ADC conversion at the center of the PWM pulse to avoid switching-edge noise spikes. Use the 40-bit accumulator for FIR/IIR filter math to avoid overflow on 16-bit intermediate results.
Compliance Information
RoHS and REACH compliant per Microchip product page. Lead-free PDIP-40 package. Industrial temperature range (-40C to +85C) denoted by 'I' suffix. Not AEC-Q100 qualified - this is a general-purpose industrial MCU, not an automotive-grade part.
