The DSPIC33EP32MC204-I\/PT is a 16-bit Digital Signal Controller from Microchip in TQFP-44, running at 60 MIPS with 32KB Flash and 4KB SRAM. The MC suffix denotes the motor-control optimized variant with High-Speed PWM (1.04ns resolution), dual 12-bit ADCs at 1.1Msps, and four comparators with DAC references. The integrated DSP engine provides single-cycle 16×16 MAC for real-time motor control algorithms.<\/p>\n
| N\u00facleo<\/td>\n | dsPIC33E (modified Harvard) @ 60 MIPS<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Flash \/ SRAM<\/td>\n | 32KB \/ 4KB<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| DSP Engine<\/td>\n | Single-cycle 16×16 MAC, 40-bit accumulator<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| PWM<\/td>\n | 9 outputs, 1.04ns duty resolution, dead-band, auto-shutdown<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| ADC<\/td>\n | 2x 12-bit, 1.1Msps each, simultaneous 4-channel sampling<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comparators<\/td>\n | 4 with 6-bit DAC references<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Comunicaci\u00f3n<\/td>\n | 2x UART, 2x SPI, 2x I2C, CAN 2.0B<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Paquete<\/td>\n | TQFP-44 (10x10mm)<\/td>\n<\/tr>\n | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Temperature<\/td>\n | -40\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n<\/table>\nCaracter\u00edsticas<\/h2>\nAplicaciones<\/h2>\nProduct Overview The DSPIC33EP32MC204-I\/PT is a 16-bit Digital Signal Controller from Microchip in TQFP-44, running at 60 MIPS with 32KB Flash and 4KB SRAM. The MC suffix denotes the motor-control optimized variant with High-Speed PWM (1.04ns resolution), dual 12-bit ADCs at 1.1Msps, and four comparators with DAC references. The integrated DSP engine provides single-cycle 16×16 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13,25],"tags":[],"chip_brand":[134],"class_list":["post-6222","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","category-microcontrollers-mcu","chip_brand-microchip"],"acf":{"brief_explanation":"16-bit 60 MIPS DSC with DSP engine, motor-control PWM, dual 12-bit ADC, CAN, TQFP-44","date_code":"","package_case":"TQFP-44 (10 x 10 x 1.0mm)","in_stock":8813,"datasheet":"https:\/\/ww1.microchip.com\/downloads\/en\/DeviceDoc\/70636H.pdf","price":"$3.50 @ 1ku","product_introduction":"The DSPIC33EP32MC204-I\/PT is a 16-bit Digital Signal Controller from Microchip in TQFP-44, running at 60 MIPS with 32KB Flash and 4KB SRAM. The MC (Motor Control) variant integrates all peripherals needed for 3-phase motor drives: High-Speed PWM module with 9 outputs and 1.04ns duty resolution for precise FOC (Field-Oriented Control), dual 12-bit ADCs at 1.1Msps with simultaneous 4-channel sampling for measuring all three phase currents at the same instant, and four comparators with 6-bit DAC references for hardware overcurrent protection that reacts in nanoseconds without CPU intervention. The integrated DSP engine provides single-cycle 16x16 MAC (Multiply-Accumulate) with 40-bit accumulator and modulo addressing, enabling real-time execution of Clarke\/Park transforms, PI controllers, and space-vector modulation within a 50us control loop at 20kHz PWM. The 2KB auxiliary Flash can store a bootloader separately from the application code. The -I\/PT suffix specifies industrial temperature (-40\u00b0C to +85\u00b0C), TQFP-44.","working_principle":"The DSPIC33EP32MC204 combines a 16-bit MCU core with a DSP engine on a modified Harvard architecture. The MCU core fetches instructions from Flash (one instruction per cycle, with pipelining for branches and calls) and executes them in a 2-stage pipeline. The DSP engine is a co-processor that executes MAC, multiply-negate-accumulate, barrel shift, and modulo addressing instructions in parallel with the MCU core. For motor control, the typical control loop executes at 20kHz (50us period): (1) ADC samples three phase currents simultaneously via the dual ADC (1.1us conversion time); (2) DSP engine performs Clarke transform (3-phase to 2-phase) and Park transform (rotating to stationary frame) using MAC instructions; (3) PI controllers compute Vd and Vd voltage commands; (4) Inverse Park transform generates Valpha\/Vbeta; (5) SVPWM (Space Vector PWM) module generates PWM duty cycles with 1.04ns resolution. The hardware comparators provide independent overcurrent protection: if any phase current exceeds the DAC-set threshold, the comparator output triggers an auto-shutdown event that disables the PWM outputs within one clock cycle (16.7ns at 60 MIPS), independent of software. The CLC (Configurable Logic Cells) implement custom glue logic (e.g., encoder decode, fault latching) without CPU intervention.","pin_description":"
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