DSPIC30F6014AT-20E/PF
DSPIC30F6014AT-20E/PF - 16-bit 20MIPS 144KB Flash DSC | Microchip
The Microchip Technology DSPIC30F6014AT-20E/PF is a high-performance 16-bit Digital Signal Controller (DSC) from the dsPIC30F family, operating at up to 20 MIPS and housed in an 80-pin TQFP (14x14 mm) package. The device integrates a 144 KB (48K x 24) Flash program memory, 8 KB RAM, and 4 KB EEPROM, paired with a 16-bit modified Harvard CPU core featuring single-cycle multiply, 40-bit accumulators, and DSP-aware instructions tailored for closed-loop control and digital filtering. The "AT" suffix denotes the tape-and-reel packaging variant, while the "-20E" speed grade marks the 20 MIPS industrial-temperature device, and "/PF" identifies the TQFP-80 footprint.
A Digital Signal Controller (DSC) is a hybrid class of microcontroller that combines the deterministic interrupt response and peripheral ecosystem of an MCU with the deterministic-cycle MAC engine and barrel shifter of a DSP. Within the broader hierarchy, a DSC sits between a microcontroller (MCU) and a digital signal processor (DSP), and the dsPIC30F series in particular targets motor control, power conversion, and sensor-fusion applications that demand deterministic DSP performance plus rich analog and communication peripherals. The DSP engine delivers single-cycle 16x16 MAC operations with dual 40-bit accumulators, enabling real-time PID, FFT, and IIR filtering without off-chip DSP chips.
Key features include 144 KB self-programmable Flash, 8 KB SRAM, 4 KB EEPROM, an integrated 12-bit ADC with up to 16 channels, motor-control PWMs, quadrature encoder interfaces, and a rich communication set: 2x CAN, 2x UART, 2x SPI, and 1x I2C. The "E" temperature grade supports the industrial -40C to +125C range. The 80-pin TQFP (PF suffix) exposes 68 I/O pins, giving designers abundant headroom for analog and digital peripherals. Internal RC oscillator, PLL, and JTAG/ICSP debug interfaces round out the offering.
The DSP-enhanced core executes most instructions in one clock cycle and supports fractional and integer arithmetic with zero-overhead loop primitives. The dual 40-bit accumulators provide extended dynamic range for cascaded IIR biquads, while the barrel shifter enables single-cycle scaling - both critical to motor-control loops and power-conversion control. The deterministic interrupt latency (5-6 cycles) simplifies hard-realtime scheduling of the control loop. DMA support on key peripherals offloads data movement from the CPU, preserving headroom for control algorithms.
Typical applications include 3-phase AC induction and BLDC motor drives, solar inverter MPPT control, digital UPS and PFC stages, automotive sensor conditioning, industrial PLCs, and audio effects processing. The combination of DSP performance, motor-control PWM, and CAN bus makes it particularly suited to industrial automation and automotive body/chassis subsystems where deterministic real-time response is non-negotiable.
When designing with this part, allocate Flash carefully: 144 KB is generous for control loops but limits complex protocol stacks. Use the QEI and motor-control PWM modules in tandem for sensored BLDC drives, and reserve one CAN channel for stackable chassis networking. Decouple AVDD/AVSS separately from VDD/VSS using ferrite beads to preserve ADC accuracy.
This page synthesizes distributor stock and pricing, parametric drop-in alternatives, and practical design notes compiled by the XAIPART engineering team, providing a perspective not consolidated on any single manufacturer or distributor page.
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