DSPIC30F4012T-20E/SO
DSPIC30F4012T-20E/SO - 16-Bit 20 MIPS DSC, 48KB Flash | Microchip
The Microchip Technology DSPIC30F4012T-20E/SO is a 16-bit Digital Signal Controller (DSC) in the dsPIC30F Motor Control family, integrating a high-performance DSP engine with a single-cycle MCU core. The device executes up to 20 MIPS at 20 MHz, provides 48 KB (16K x 24) of Flash program memory, 2 KB (1K x 16) of SRAM data memory, and 1 KB (512 x 16) of EEPROM, all housed in a 28-pin SOIC (SO) wide-body package supplied in Tape & Reel form.
A Digital Signal Controller is a hybrid class of embedded processor that combines the deterministic interrupt response and peripheral set of a microcontroller with the single-cycle MAC (multiply-accumulate) engine and dual 40-bit accumulators of a DSP. Within the broader taxonomy, a DSC sits below a full DSP and above a conventional MCU, and the dsPIC30F series specifically targets motor control, power conversion, and sensor-processing applications where both control-loop determinism and signal-processing throughput are required. The DSPIC30F4012T operates from 2.5 V to 5.5 V, supports an extended industrial temperature range, and offers seamless migration paths to the dsPIC33F and PIC24 families.
Key features include a 16-bit modified Harvard architecture, 20 MIPS sustained throughput, on-chip 48 KB Flash with self-programmability, dedicated motor-control PWM (6 outputs, complementary mode with dead time), a 12-bit A/D converter with up to 9 channels and 200 ksps throughput, three 16-bit timers, an input capture module, a quadrature encoder interface, UART, SPI, I2C, and CAN 2.0B communications. The integrated DSP engine executes a 16 x 16-bit MAC in one cycle and supports fractional and integer math.
The architecture pairs a 24-bit instruction word with a 16-bit data path, enabling C-compiler-friendly operation while still benefiting from DSP-class MAC, barrel shifter, and dual-accumulator resources. Power management includes idle, sleep, and deep-sleep modes with fast wake-up. The CAN 2.0B peripheral, quadrature encoder interface, and dedicated motor-control PWM make the DSPIC30F4012T especially well suited to field-oriented control (FOC) of brushless DC and permanent-magnet synchronous motors.
Typical applications include BLDC and PMSM motor drives, sensorless motor control, uninterruptible power supplies (UPS), power-factor-corrected (PFC) converters, solar inverters, industrial fans and pumps, digital UPS control, automotive sensor interfaces, and general-purpose DSP-augmented embedded control. The 5 V operating range is a deliberate fit for industrial and automotive subsystems still designed around legacy 5 V logic.
When designing with the DSPIC30F4012T, place the VDD/VSS decoupling pair within 5 mm of each pin pair, use a 10 uF bulk plus 0.1 uF high-frequency ceramic on each supply rail, and reserve the AVDD/AVSS pins for the 12-bit ADC reference domain. If migrating to the dsPIC33F family, double-check that the chosen dsPIC33F retains 5 V tolerance on the ADC inputs required by your analog front-end.
This page synthesizes distributor pricing, drop-in same-package alternatives (including Tape & Reel, tube, ML-package, and -20E/-20I temperature-grade variants), and practical design notes not found in a quick datasheet scan.
견적 요청
문의하기