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DSPIC33EP128MC502T-E/SO - 16-bit 60MIPS DSC, 128KB Flash | Microchip
DSPIC33EP128MC502T-E/SO

DSPIC33EP128MC502T-E/SO - 16-bit 60MIPS DSC, 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MC502T-E/SO is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 60 MIPS core performance with 128 KB (43K x 24) of Flash program memory and 8 KB of RAM, packaged in a 28-pin SOIC (7.50 mm width) and rated for the extended -40C to +125C automotive temperature range with AEC-Q100 qualification. A digital signal controller combines the control peripherals of a microcontroller with the multiply-accumulate DSP engine of a digital signal processor in a single chip. Within the power-management hierarchy, the dsPIC33E family sits between general-purpose MCUs and dedicated DSPs, making it a popular choice for embedded motor control, power conversion, and digital power applications where both fast control loops and rich communication interfaces are required. Key features include a 16-bit modified Harvard architecture core running at up to 60 MIPS (70 MIPS capable family members), a single-cycle 16x16 MAC DSP engine with dual 40-bit accumulators, 3.3V operation, and extensive connectivity: CAN 2.0B, I2C, SPI, UART/USART, IrDA, LINbus, quadrature encoder interface (QEI), and multiple PWM channels. The extended-temperature E suffix supports demanding automotive and industrial environments. Technically, the device integrates a 12-bit ADC, motor-control PWM with dead-time insertion, input capture/output compare modules, and self-programming Flash for field updates. In-circuit serial programming (ICSP), JTAG boundary scan, and debug via two program breakpoints simplify development under Microchip MPLAB X tooling. Typical applications include brushless DC and permanent-magnet motor control, switch-mode power supplies, digital lighting, and automotive auxiliary systems where CAN connectivity and precise PWM timing are essential. Design consideration: keep the 3.3V supply decoupled with 0.1 uF ceramics at both VDD pins and route high-current PWM traces away from the analog inputs to preserve ADC accuracy. This page adds value beyond the manufacturer datasheet by consolidating distributor pricing context, drop-in alternatives, application pairings, and practical design notes in one place.

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DSPIC33EP128MC502T-E/SS - 16-bit 60 MIPS DSC | Microchip
DSPIC33EP128MC502T-E/SS

DSPIC33EP128MC502T-E/SS - 16-bit 60 MIPS DSC | Microchip

The Microchip Technology DSPIC33EP128MC502T-E/SS is a 16-bit dsPIC33EP digital signal controller (DSC) delivering 60 MIPS performance with 128KB (43K x 24) of FLASH program memory and 8KB of RAM, housed in a 28-pin SSOP surface-mount package. It operates from a single 3V to 3.6V supply and is AEC-Q100 qualified for automotive applications (the -E extended temperature suffix). A digital signal controller combines the compute throughput of a DSP engine with the peripheral integration and interrupt architecture of a microcontroller. Within the power-management hierarchy of embedded systems, the dsPIC33EP family sits between general-purpose MCUs (such as the PIC16 and PIC18 lines) and full DSPs, providing MAC/DSP instructions, fast interrupt response, and precision analog peripherals in one device. Key features include the 16-bit dsPIC DSC core running at 60 MIPS, 128KB self-programmable FLASH, 8KB on-chip RAM, and integrated motor-control peripherals that enable sensorless control of brushless DC (BLDC) and permanent-magnet synchronous motors (PMSM). The AEC-Q100 qualification and extended -40C to +125C temperature rating allow use in automotive and harsh-environment industrial systems. Architecturally, the dsPIC33EP core pairs a pipelined 16-bit CPU with a dedicated DSP multiply-accumulate unit and flexible clocking (internal PLL from crystal or internal FRC oscillator), giving deterministic real-time behavior for current-loop control at motor-control switching frequencies. The Tape & Reel (T) ordering option supports automated high-volume SMT assembly. Typical applications include BLDC/PMSM motor drives, digital power supplies (power factor correction, DC-DC control), automotive body and comfort modules, and industrial automation sensors and actuators. For design, keep the 3.0V-3.6V supply within tolerance, decouple each VDD/VSS pair closely, and budget MIPs against the control-loop period. Verify RAM allocation (8KB) early in firmware planning, since control algorithms plus communications stacks can approach this limit. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.

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DSPIC33EP128MC504-E/TL - 16-bit 60 MIPS DSC, 128KB Flash | Microchip
DSPIC33EP128MC504-E/TL

DSPIC33EP128MC504-E/TL - 16-bit 60 MIPS DSC, 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MC504-E/TL is a 16-bit digital signal controller (DSC) from the dsPIC33EP family, delivering up to 60 MIPS over the extended -40C to +125C temperature range, with 128KB (43K x 24) of Flash program memory and 16KB of SRAM, housed in a 44-pin VTLA (6x6 mm) surface-mount package. A digital signal controller combines the computational architecture of a digital signal processor with the peripheral integration and ease of use of a microcontroller. DSCs sit between general-purpose MCUs and dedicated DSPs in the embedded hierarchy, making them the preferred choice for closed-loop control systems that need both fast math and rich analog peripherals on a single chip. Key features include the dsPIC33E modified-Harvard core with a 16-bit wide data path, 24-bit wide instructions, 16x16 integer multiply and 32/16 divide operations, and two 40-bit accumulators for efficient DSP math. On-chip motor-control PWM (MCPWM), operational amplifiers, comparators, and the Peripheral Trigger Generator (PTG) reduce external component count. Connectivity covers CAN, I2C, SPI, UART/USART, IrDA, LINbus, and QEI for encoder feedback. The -E grade differentiates this part from the standard -I version: it is qualified across -40C to +125C ambient, though the core is rated to 60 MIPS (not 70 MIPS) at the top of the extended temperature range. At 3.0V to 3.6V supply, the device targets precision motor control, digital power conversion, and sensor-fusion applications. Typical applications include BLDC/PMSM motor drives with field-oriented control, switch-mode power supplies and solar inverters, and industrial automation nodes requiring CAN networking with embedded DSP filtering. When designing with this device, verify that 60 MIPS at 125C meets your control-loop budget; systems needing full 70 MIPS at high ambient should select the -I temperature grade or provide active cooling. Reserve Flash headroom for bootloader and field-updatable firmware. This page synthesizes distributor pricing context, drop-in family alternatives, and practical design notes not found in a single manufacturer document.

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DSPIC33EP128MC504-I/TL - 70 MIPS 16-bit DSC | Microchip
DSPIC33EP128MC504-I/TL

DSPIC33EP128MC504-I/TL - 70 MIPS 16-bit DSC | Microchip

The Microchip Technology DSPIC33EP128MC504-I/TL is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 70 MIPS performance, with 128 KB (43K x 24) of Flash program memory and 16 KB of RAM, housed in a 44-pin VTLA (6x6 mm) thin QFN package with exposed pad. A digital signal controller combines the computational architecture of a microcontroller with DSP-engine features such as single-cycle multiply-accumulate, hardware division support, and DSP instruction extensions. Within the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and dedicated DSPs, making the dsPIC33E family a standard choice for closed-loop control systems that need both fast math and rich peripherals on one chip. Key features include a 16-bit dsPIC core clocked up to 70 MIPS from an internal PLL, high-speed motor-control PWM (MCPWM) outputs with complementary modes and dead-time control, on-chip comparators and op amps, CAN 2.0B for industrial networking, and serial connectivity spanning I2C, SPI, UART/USART, IrDA, LINbus, and quadrature encoder interface (QEI). Architecturally, the device integrates an enhanced flash controller with ECC-class flash options in the wider family, a fast interrupt structure for deterministic control loops, and five 16-bit timers, enabling deterministic field-oriented control (FOC) execution for motor drive algorithms without external DSP support. Typical applications include brushless DC and PMSM motor control for industrial drives, digital power conversion (PFC, LLC), and automotive-adjacent embedded control systems using the CAN interface. Design consideration: the I-grade device operates from -40C to +85C and is supplied at 3.3V; budget the 6x6 mm thermal pad copper area carefully in high-MIPS motor-drive loads to keep junction temperature in range. This page synthesizes distributor pricing, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, with prices as of 2026-09-24.

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DSPIC33EP128MC504T-E/PT - 16-Bit 60 MIPS DSC 128KB Flash | Microchip
DSPIC33EP128MC504T-E/PT

DSPIC33EP128MC504T-E/PT - 16-Bit 60 MIPS DSC 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MC504T-E/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP family delivering up to 60 MIPS performance, 128 KB (43K x 24) of FLASH program memory, and 8 KB of RAM, housed in a 44-pin TQFP (10 x 10 mm) package rated for -40C to +125C operation and AEC-Q100 qualified. A digital signal controller combines the control peripherals of a microcontroller with the mathematical throughput of a DSP engine. In the power-management hierarchy, the dsPIC33EP sits above general-purpose 8-bit and 16-bit MCUs and alongside dedicated DSPs: it executes single-cycle MAC and DSP instructions while retaining deterministic interrupt behavior, making it a single-chip solution for digitally controlled power conversion and motion systems that would otherwise need a separate MCU plus DSP. Key features include the 60 MIPS dsPIC33E core, a 3-wire SPI, I2C, UART, and CAN 2.0B connectivity set, quadrature encoder interface (QEI) inputs, and high-speed PWM peripherals purpose-built for motor control. The E-grade temperature rating extends operation to +125C, allowing placement in harsh automotive and industrial enclosures without external thermal mitigation. Architecturally, the device pairs an enhanced Harvard-architecture pipeline with hardware DSP multiply-accumulate units, enabling field-oriented control (FOC) loops for PMSM and BLDC motors to run at tens of kilohertz entirely in silicon. The CAN module supports automotive and industrial fieldbus networks, while IrDA and LINbus support broadens telematics and body-electronics use. Typical applications include brushless DC and PMSM motor drives for appliances and e-mobility, digital power supplies and inverters, and automotive auxiliary systems such as pumps and actuators, where the 60 MIPS core and 125C rating directly address the control bandwidth and ambient requirements. For design, budget the 3.0V to 3.6V supply domain and use Microchip's Motor Control GUI or MPLAB X IDE with the dsPIC33EP family device support packs for configuration and code generation; verify all pin-level details against the manufacturer datasheet before layout. This page synthesizes verified distributor data, same-family drop-in alternatives, application guidance, and FAQ content not found on a single manufacturer or distributor page.

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DSPIC33EP128MC504T-I/PT - 16-bit 70 MIPS DSC 128KB Flash | Microchip
DSPIC33EP128MC504T-I/PT

DSPIC33EP128MC504T-I/PT - 16-bit 70 MIPS DSC 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MC504T-I/PT is a 16-bit dsPIC33EP digital signal controller (DSC) delivering 70 MIPS performance with 128 KB (43K x 24) of Flash program memory and 8 KB of RAM, housed in a 44-pin TQFP (10x10 mm) package rated for industrial -40C to +85C operation at 3.3V. A digital signal controller combines the compute throughput of a DSP with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy, the DSC sits above a basic MCU: it executes single-cycle MAC and DSP instructions while retaining deterministic interrupt handling, making it the preferred controller class for closed-loop motor control and digitally controlled power conversion where a generic MCU lacks the multiply-accumulate throughput. Key features of this device include the 70 MIPS dsPIC33E core with integrated DSP engine, high-speed PWM modules tailored for motor control, and advanced analog integration from the dsPIC33E family platform. Program memory is Flash-based (43K x 24 instructions), enabling field reprogramming, and the extended on-chip peripheral set supports CAN, UART, SPI, and I2C communication typical of industrial nodes. Architecturally, the dsPIC33E core uses a modified Harvard pipeline with a 24-bit instruction word and dual operand fetch, allowing single-cycle DSP multiply-accumulate operations. The high-speed PWM hardware supports complementary outputs, dead-time insertion, and fault protection - the critical building blocks of field-oriented control (FOC) and sensorless brushless DC drives. Typical applications include precision BLDC/PMSM motor control for industrial drives and pumps, digitally controlled switched-mode power supplies and solar micro-inverters, and embedded control systems requiring DSP-level filtering. The 44-pin TQFP with up to 35 general-purpose I/O provides sufficient pins for gate drives, current-sense feedback, and communication in compact layouts. Design consideration: this device runs at 3.3V only; level-shift any 5V peripheral interfaces, and budget decoupling (0.1 uF per VDD pin plus bulk capacitance) close to the package. The /T suffix denotes Tape-and-Reel delivery; the /I suffix denotes the industrial temperature grade. This page synthesizes distributor availability data, same-family drop-in alternatives, and practical design notes not found in the standard Microchip product page.

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DSPIC33EP128MC506-E/MR - 16-bit 60 MIPS DSC 128KB Flash | Microchip
DSPIC33EP128MC506-E/MR

DSPIC33EP128MC506-E/MR - 16-bit 60 MIPS DSC 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MC506-E/MR is a 16-bit digital signal controller (DSC) from the dsPIC33EP family, delivering up to 60 MIPS performance with 128 KB (43K x 24) of FLASH program memory, 16 KB of RAM, and a 64-pin VQFN (9x9 mm) package with exposed pad. This extended-temperature (E-grade, -40C to +125C), AEC-Q100-qualified part operates from a single 3V to 3.6V supply and integrates motor-control peripherals including MCPWM, on-chip op amps, comparators, CAN, and a Peripheral Trigger Generator (PTG). A digital signal controller combines the computational throughput of a DSP with the peripheral integration and deterministic interrupt architecture of a microcontroller. Within the power-management hierarchy, DSCs occupy the space between general-purpose MCUs and dedicated DSPs, making them the preferred device class for closed-loop motor control, digital power conversion, and real-time embedded control systems. Key features include a modified Harvard, 16-bit RISC DSP core with single-cycle MAC and hardware divide support, hardware MCPWM modules capable of complementary and center-aligned PWM generation for three-phase inverters, integrated analog (comparators and operational amplifiers) that reduces external component count, and a CAN 2.0B controller for automotive and industrial fieldbus connectivity. The dsPIC33EP architecture includes phase-locked loop clock multiplication, multiple internal fast RC oscillators, and a rich DMA-free interrupt-driven I/O model. The integrated op amps can be internally routed to PWM and ADC resources, enabling current-shunt amplification for field-oriented control (FOC) without external amplifiers. Typical applications include brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, digital power supplies and solar inverters, and industrial automation nodes requiring CAN networking. The extended temperature range and AEC-Q100 qualification suit under-hood and high-ambient industrial environments. For design, ensure a clean 3.3V rail with low-ESR decoupling on every VDD/VSS pair, and use the exposed thermal pad for ground return. Configuring PWM dead-time and ADC trigger alignment is critical in FOC loops. This page synthesizes distributor availability data, same-footprint drop-in alternatives, and practical design guidance not consolidated in the manufacturer datasheet alone.

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DSPIC33EP128MC506-H/MR - 16-bit 60 MIPS DSC 64-VQFN | Microchip
DSPIC33EP128MC506-H/MR

DSPIC33EP128MC506-H/MR - 16-bit 60 MIPS DSC 64-VQFN | Microchip

The Microchip Technology DSPIC33EP128MC506-H/MR is a 16-bit digital signal controller (DSC) from the dsPIC33EP family, delivering 60 MIPS core performance with 128KB (43K x 24) of FLASH program memory and 8KB of RAM, housed in a 64-pin VQFN (9x9 mm) exposed-pad package. This AEC-Q100 qualified, H-temperature-grade automotive device operates from a 3.3V supply. A digital signal controller combines the computational architecture of a microcontroller with the DSP engine of a digital signal processor. In the semiconductor hierarchy, the dsPIC33EP sits within Microchip's 16-bit MCU/DSC portfolio, adding hardware multiply-accumulate (MAC), division support, and fast interrupt handling to a classic RISC core, making it a power management and control-loop IC capable of executing high-bandwidth closed-loop algorithms in real time. Key features include the 60 MIPS dsPIC core with integrated DSP engine, high-speed PWM peripherals purpose-built for motor control, on-chip connectivity covering CANbus, I2C, IrDA, LINbus, QEI (quadrature encoder interface), SPI, and UART/USART, and 128KB of self-programmable FLASH with 43K x 24-bit instruction word organization. The MC variant family adds motor-control-oriented peripherals such as complementary PWM outputs and analog modules tuned for sensing current and position. Architecturally, the device pairs the 16-bit CPU with a pipelined instruction set, hardware DSP instructions, and multiple serial engines that can operate concurrently with the control loop. The CAN module supports automotive and industrial fieldbus networking, while the QEI interface directly decodes encoder feedback from servo motors without CPU overhead. Typical applications include precision and sensorless BLDC/ACIM motor control, automotive auxiliary drives, industrial inverters, digital power supplies, and embedded motion systems. The AEC-Q100 qualification and extended temperature range make it specifically suited to under-hood and harsh-environment automotive deployments. A key design consideration: the H/MR grade prioritizes extended operating temperature; verify supply decoupling on the exposed thermal pad and confirm peripheral clock configuration, since the family supports up to 70 MIPS on higher grades while this part is specified at 60 MIPS. This page synthesizes distributor pricing, drop-in alternatives, comparison tables, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP128MC506T-E/PT - 16-bit 60 MIPS DSC 128KB | Microchip
DSPIC33EP128MC506T-E/PT

DSPIC33EP128MC506T-E/PT - 16-bit 60 MIPS DSC 128KB | Microchip

The Microchip Technology DSPIC33EP128MC506T-E/PT is a 16-bit dsPIC33EP digital signal controller (DSC) delivering up to 60 MIPS core performance, 128KB (43K x 24) of FLASH program memory, and 16KB of RAM, housed in a 64-pin TQFP (PT, 10x10 mm) tape-and-reel package rated for -40C to +125C operation. A digital signal controller combines the compute characteristics of a microcontroller with DSP-capable instruction extensions in a single core. In the power-management hierarchy, the dsPIC33E family sits between general-purpose MCUs and dedicated DSPs, offering deterministic interrupt latency, hardware multiply-accumulate (MAC) DSP instructions, and motor-control-specific peripherals such as the Motor Control PWM (MCPWM) module. This makes the family a common choice where one chip must both run control loops and execute filtering algorithms. Key features of the DSPIC33EP128MC506T-E/PT include the enhanced 16-bit dsPIC33E core operating at 60 MIPS from a 3.0V to 3.6V supply, four DMA channels for offloading data movement, five 16-bit timers, multiple UART, SPI, and I2C serial interfaces with IrDA support, dual CAN 2.0B modules for industrial and automotive networking, and integrated comparators and op-amp style analog peripherals supporting sensing-heavy designs. The -E temperature suffix extends operation to +125C, and the device is automotive-qualified to AEC-Q100. Architecturally, the core uses a modified Harvard pipeline with 24-bit instruction words and hardware DSP support, enabling single-cycle MAC operations used in FOC (field-oriented control), PI loops, and digital power conversion. The 4-channel DMA controller services ADC, UART, and other peripherals without CPU intervention, reducing jitter in time-critical control loops. Typical applications include BLDC/PMSM motor control for industrial drives, automotive body and powertrain auxiliary modules, digital power supplies and solar inverters, and sensor fusion nodes using the CAN and UART interfaces. Design consideration: the 3.0V-3.6V supply requires a clean 3.3V rail with adequate decoupling on all VDD/VSS pin pairs; the MCLR programming pin must be isolated per the programmer specification. This page synthesizes distributor pricing, drop-in family alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP128MU202-E/SP - 16-bit DSC 128KB Flash 70 MIPS | Microchip
DSPIC33EP128MU202-E/SP

DSPIC33EP128MU202-E/SP - 16-bit DSC 128KB Flash 70 MIPS | Microchip

The Microchip Technology DSPIC33EP128MU202-E/SP is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance from its dsPIC33E core, with 128 KB (128K x 16-bit words... actually 128 KB) of Flash program memory, 16 KB of RAM, and an integrated 12-bit, 1.1 Msps analog-to-digital converter, packaged in a 28-pin SPDIP (SP) rated for the extended -40C to +125C temperature range. A digital signal controller combines the computational architecture of a digital signal processor with the peripheral integration and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, the DSC sits above generic MCUs for math-intensive control loops and below fully parallel DSPs in complexity, making it the standard choice for precision motor control and digital power conversion. Key features of the DSPIC33EP128MU202-E/SP include the USB On-The-Go (OTG) module inherited from the MU series, up to two 16-bit sigma-delta-capable PWM peripherals, and a rich analog block with 12-bit ADC channels, comparators, and CTMU. The -E temperature suffix qualifies the part for extended industrial environments where -I grade (-40C to +85C) parts would be marginal. Technically, the dsPIC33E core uses a modified Harvard architecture with a 16-bit datapath, DSP multiply-accumulate (MAC) instructions, and hardware divide support. Boot and security options include Flash self-programming and code protection, while in-circuit serial programming (ICSP) over MCLR/PGD/PGC enables field updates with standard Microchip programmers such as PICkit, ICD, and REAL ICE. Typical applications span brushless DC and permanent-magnet motor drives, digital LED drivers, power-factor-correction converters, and USB-connected industrial sensing nodes where the USB OTG peripheral removes the need for an external USB interface chip. Design consideration: budget the VCAP/VDDCORE pin carefully - the internal regulator requires the specified low-ESR capacitor, and omitting it is the most common cause of bring-up failures on this family. This page synthesizes distributor availability, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP128MU202-H/SP - 16-bit 70 MIPS DSC 128KB Flash | Microchip
DSPIC33EP128MU202-H/SP

DSPIC33EP128MU202-H/SP - 16-bit 70 MIPS DSC 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MU202-H/SP is a 16-bit digital signal controller (DSC) from the dsPIC33EP family with a 70 MIPS dsPIC33E core, 128 KB of Flash program memory, 16 KB of RAM, and a 12-bit ADC, housed in a 28-pin SDIP (SP) package. A digital signal controller combines the peripheral set and processing style of a microcontroller with the multiply-accumulate (MAC/DSP) engine of a digital signal processor. In the semiconductor hierarchy, the dsPIC33EP sits within the 16-bit MCU/DSC class, occupying the space between general-purpose microcontrollers and dedicated DSPs, making it a single-chip solution for control loops and signal processing tasks. Key features include the 16-bit dsPIC33E CPU with DSP instruction extensions and two 40-bit accumulators, 128 KB (128 x 1024 bytes) of self-programmable Flash, 16 KB of RAM, a 12-bit analog-to-digital converter, USB connectivity (the MU suffix denotes the USB-capable family member), and the wide -40C to +125C operating range associated with the -H temperature suffix. Architecturally, the dsPIC33E core executes most instructions in a single cycle at up to 70 MIPS and integrates a hardware DSP engine for multiply-accumulate, barrel shifting, and bit-reversed addressing, offloading filtering and transformation tasks from software-only implementations. Enhanced peripherals on the MU202 family members reduce external component count in mixed-signal designs. Typical applications include digital power supplies and power conversion, motor control (BLDC, PMSM, ACIM), USB-connected industrial sensors, and embedded control systems that require both fast control loops and modest signal-processing throughput. A key design consideration: the SP (28-pin SDIP) package is a through-hole dual in-line package, convenient for prototyping and legacy sockets, but requires attention to supply decoupling and the USB crystal layout for reliable high-speed operation. This page synthesizes distributor availability data, pin-compatible drop-in alternatives, and practical design guidance not found in the manufacturer datasheet alone.

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DSPIC33EP128MU202T-I/MM - 16-bit 70 MIPS DSC 128KB Flash USB | Microchip
DSPIC33EP128MU202T-I/MM

DSPIC33EP128MU202T-I/MM - 16-bit 70 MIPS DSC 128KB Flash USB | Microchip

The Microchip Technology DSPIC33EP128MU202T-I/MM is a 16-bit digital signal controller (DSC) with 128 KB of Flash memory, 70 MIPS peak performance, and integrated USB 2.0 Full-Speed device support, housed in a 28-pin QFN (MM) package rated for -40C to +85C operation. A digital signal controller combines the peripherals and ease-of-use of a microcontroller with the computational throughput of a digital signal processor. Within Microchip's portfolio, the dsPIC33E family sits between general-purpose 16-bit PIC24 MCUs and high-performance 32-bit MCUs, offering single-cycle MAC, DSP multiply-accumulate instructions, and dual 40-bit accumulators, making it a power management IC-controller class device for real-time control systems. Key differentiating features include the integrated USB 2.0 Full-Speed module (a capability the pin-compatible GP and MC variants lack), dual I2C, dual SPI, and dual UART peripherals for rich connectivity, up to 35 general-purpose I/O, and a 12-bit 1.1 Msps analog-to-digital converter. The 70 MIPS core executes from zero-wait-state Flash, and the device supports multiple switch-mode clock sources and PLL options for deterministic timing. Architecturally, the dsPIC33EP core implements an enhanced Harvard pipeline with 16-bit data path, 40-bit wide accumulators, and X and Y data memories that allow concurrent fetch of two operands for DSP instructions. Peripheral Pin Select (PPS) lets developers remap digital functions to available pins, easing PCB routing in compact QFN-28 layouts. Typical applications include motor control systems, digital power supplies, USB-connected industrial sensors, and real-time monitoring nodes where DSP math and USB communication are required on one chip. A key design consideration: the internal core regulator requires a low-ESR VCAP capacitor on the VCAP pin for stable 1.8V core generation; omitting or misplacing it causes intermittent brownouts. This page synthesizes distributor availability data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP128MU202T-I/SO - 16-bit DSC, 128KB Flash, USB | Microchip
DSPIC33EP128MU202T-I/SO

DSPIC33EP128MU202T-I/SO - 16-bit DSC, 128KB Flash, USB | Microchip

The Microchip DSPIC33EP128MU202T-I/SO is a 16-bit Digital Signal Controller (DSC) with 128 KB (44K x 24-bit word) of flash program memory, integrated USB 2.0 full-speed device support, and operation at up to 70 MIPS, packaged in a 28-pin SOIC (SOIC-W, 300 mil) surface-mount package. A Digital Signal Controller combines the compute architecture of a microcontroller with the fast interrupt handling and arithmetic capability of a DSP. Within the power management hierarchy of embedded systems, a DSC such as the dsPIC33 family sits above simple MCUs, adding hardware DSP multiply-accumulate (MAC) instructions that make it efficient for control loops, digital power conversion, and signal processing tasks. Key features of this device include the 16-bit modified Harvard core at up to 70 MIPS from a 3.3V supply, dual on-chip user-programmable gain amplifiers and comparators, multiple 16-bit timers, and peripherals relevant to the MU (USB) subfamily: USB 2.0 full-speed device, multiple UART/SPI/I2C peripherals via Peripheral Pin Select (PPS), and a 12-bit ADC that supports motor control and digital power applications. The dsPIC33EP series is fabricated to deliver deterministic interrupt latency and supports In-Circuit Serial Programming (ICSP) via the standard PICkit/MPLAB ICD toolchain in MPLAB X IDE. The extended family naming (EP) denotes enhanced peripherals and higher performance relative to the earlier dsPIC33F series. Typical applications include digital power supplies and PFC stages, brushless DC and PMSM motor control, USB-connected sensor interfaces, audio signal processing, and industrial control panels where the 28-pin footprint and 128 KB flash provide code headroom. A key design consideration: the VCAP/VDDCORE pin (pin 28) requires an external low-ESR capacitor per the manufacturer datasheet for internal core regulation stability; do not power this pin externally. This page synthesizes distributor availability, same-package drop-in alternatives, pinout, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP128MU502-I/SO - 16-bit DSC 128KB Flash USB | Microchip
DSPIC33EP128MU502-I/SO

DSPIC33EP128MU502-I/SO - 16-bit DSC 128KB Flash USB | Microchip

The Microchip Technology DSPIC33EP128MU502-I/SO is a 16-bit Digital Signal Controller (DSC) with 128 KB of Flash program memory, 16 KB of RAM, an integrated 12-bit ADC, and an on-chip USB 2.0 interface, housed in a 28-pin SOIC wide-body (SO) surface-mount package. A Digital Signal Controller combines the computational capability of a digital signal processor (DSP) with the peripheral integration and ease of use of a microcontroller (MCU). DSCs sit between general-purpose MCUs and dedicated DSPs in the embedded systems hierarchy, offering hardware multiply-accumulate (MAC), division support, and fast interrupt handling while retaining flash, ADC, communication, and timer peripherals on one chip. This makes them the standard choice for embedded control loops that also require signal processing. Key features of the dsPIC33EP128MU502 include the dsPIC33E core running up to 70 MIPS at 3.3V, 128 KB (48 KB x 24) of self-programmable flash with ECC options, 16 KB of X/Y dual-port RAM suited to DSP addressing modes, a 10-bit/12-bit multi-channel ADC, and a full-speed USB 2.0 device interface. The device also provides multiple UART, SPI, and I2C modules, output compare and input capture channels, a 16-bit timer array, and remappable peripheral pins (PPS) for flexible board layout. Architecturally, the dsPIC33E family uses an enhanced 16-bit pipeline core with DSP instruction extensions (MAC, MPY, ED), two address generation units, and a zero-overhead DO/REPEAT loop mechanism. The X/Y memory split enables simultaneous operand fetches for efficient FIR/IIR filtering and FFT kernels. In-circuit serial programming (ICSP) and debug access via PGD/PGC pins simplify development with MPLAB X tooling. Typical applications include USB-connected industrial sensors and data loggers, digital power supplies, motor control front ends, and portable instruments where a single-chip USB interface plus ADC and DSP throughput replaces an MCU-plus-bridge two-chip solution. Design consideration: the core supply is generated internally from the 3.3V rail using the VCAP/VDDCORE pin; the required low-ESR stabilization capacitor on this pin is mandatory and must not be omitted or shared. This page synthesizes distributor inventory data, drop-in alternatives, pinout guidance, and practical design notes in one place - information not consolidated on the manufacturer datasheet alone.

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DSPIC33EP128MU502T-I/MM - 16-bit DSC 128KB Flash QFN-28 | Microchip
DSPIC33EP128MU502T-I/MM

DSPIC33EP128MU502T-I/MM - 16-bit DSC 128KB Flash QFN-28 | Microchip

The Microchip Technology DSPIC33EP128MU502T-I/MM is a 16-bit Digital Signal Controller (DSC) delivering up to 70 MIPS, with 128 KB (43K x 24) of flash program memory and 16 KB of RAM, housed in a 28-pin QFN-S 6x6 mm surface-mount package. The -T suffix denotes tape-and-reel packaging, and -I denotes the industrial -40C to +85C temperature range. A Digital Signal Controller combines the compute architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). In the product hierarchy, the dsPIC33EP family sits within the broader dsPIC33 line of 16-bit DSCs, occupying the space between general-purpose MCUs and dedicated DSPs. This makes DSCs a natural fit for embedded control loops, digital power conversion, and motor control where fast math and deterministic interrupt response are required. Key features include a 16-bit modified Harvard core with DSP engine supporting single-cycle MAC and 40-bit accumulators, 12-bit ADC capability, and a rich peripheral mix of UART, SPI, I2C, and PWM outputs. The MU-series silicon distinguishes itself with high-speed peripherals suited to digital power and motion applications, and the low pin count QFN-28 footprint conserves PCB area in compact designs. Architecturally, the dsPIC33EP core executes most instructions in a single cycle at up to 70 MIPS from a 3.0V to 3.6V supply, with hardware looping, bit-reversed addressing, and dual operand fetch that accelerate DSP kernels such as FIR filters, PID loops, and transform-based algorithms. Typical applications include brushless DC and PMSM motor control, digital power supplies and LED drivers, sensor signal conditioning, and general embedded control requiring DSP-class math in a small package. When designing, budget flash and RAM carefully: 128 KB flash and 16 KB RAM are ample for control loops but can be tight for complex protocol stacks; plan pin multiplexing on the 28-pin QFN early, since RPx remappable pins are shared among communication peripherals. This page synthesizes distributor stock data, drop-in family alternatives, pricing tiers, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP128MU504-H/ML - 16-bit 70 MIPS DSC, 128KB Flash | Microchip
DSPIC33EP128MU504-H/ML

DSPIC33EP128MU504-H/ML - 16-bit 70 MIPS DSC, 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MU504-H/ML is a 16-bit digital signal controller (DSC) delivering 70 MIPS performance from its dsPIC33E core, with 128 KB of flash program memory, 16 KB of RAM, an integrated 12-bit ADC, and a 44-pin QFN (ML) surface-mount package. A digital signal controller combines the computational power of a DSP with the peripheral integration and deterministic control of a microcontroller. Within the embedded-systems hierarchy, the dsPIC33EP128MU504 sits in Microchip's dsPIC33EP family, which in turn belongs to the broader dsPIC33E series of 16-bit DSCs - a class of devices purpose-built for closed-loop control loops, digital power conversion, and signal processing tasks that a general-purpose MCU handles less efficiently. Key differentiating features of this MU-series member include its high connectivity peripheral mix - multiple UART, SPI, and I2C ports - plus the 12-bit, multi-channel analog-to-digital converter that supports simultaneous sampling for motor-control feedback. The 70 MIPS dsPIC DSP engine includes two 40-bit accumulators, a 17-bit by 17-bit hardware multiplier, and DSP multiply-accumulate instructions for filtering and control algorithms. Architecturally, the dsPIC33EP core is a modified Harvard design with a 16-bit data path and 24-bit instruction words, executing most instructions in a single cycle at up to 70 MIPS (with an internal PLL multiplying a 7.37 MHz internal FRC or external crystal to the maximum clock). The 128 KB self-programmable flash supports field firmware updates, while 16 KB of SRAM buffers control variables, communication stacks, and DSP working data. Typical applications include brushless DC and PMSM motor control, digital power supplies and LED drivers, industrial automation nodes, sensor signal conditioning, and embedded control in HVAC and appliance systems. The high channel-count ADC and PWM-heavy peripheral set map directly onto these workloads. A key design consideration: the -H/ML temperature-suffix option must be verified against your thermal environment, since the standard -I grade covers -40C to +85C; confirm the required operating range in the manufacturer datasheet before design freeze. This page adds value beyond the datasheet by synthesizing distributor inventory data, drop-in same-family alternatives, pricing tiers, and practical design notes in one citable reference.

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DSPIC33EP128MU504-H/PT - 16-bit DSC, 128KB Flash, USB, CAN | Microchip
DSPIC33EP128MU504-H/PT

DSPIC33EP128MU504-H/PT - 16-bit DSC, 128KB Flash, USB, CAN | Microchip

The Microchip Technology DSPIC33EP128MU504-H/PT is a 16-bit digital signal controller (DSC) combining a 70 MIPS dsPIC33E core with 128KB of flash program memory, 16KB of RAM and 1KB of data flash (EEPROM), housed in a 44-pin TQFP (PT) package rated for -40C to +150C operation. A digital signal controller is a hybrid device that merges the computational throughput and math acceleration of a digital signal processor with the peripherals, interrupt structure and ease of use of a microcontroller. Within the power-management hierarchy of embedded systems, a DSC sits between general-purpose MCUs and application-specific DSPs, providing deterministic real-time control plus signal-processing capability in a single chip. Key features include USB 2.0 full-speed device and On-The-Go (OTG) support, a CAN 2.0B module, a 12-bit ADC with up to 500 ksps throughput, three integrated operational amplifiers, and multiple Motor Control and Captured Compare PWM (MCCP/SCCP) modules. Quadrature Encoder Interface (QEI) and Programmable Timing Generator (PTG) blocks offload timing-critical tasks from the CPU. The dsPIC33EP architecture executes most instructions in a single cycle, with a 16-bit modified Harvard bus, DSP multiply-accumulate (MAC) instructions, and hardware division support, making closed-loop control algorithms efficient and deterministic. Typical applications include digital power supplies and power factor correction, brushless DC and PMSM motor control with sensorless FOC, USB-connected instrumentation and industrial sensors, and CAN-based automotive or industrial networking nodes. The extended -40C to +150C temperature rating suits underhood and high-heat industrial environments. Design consideration: the maximum core supply is 3.6V; ensure the 3.3V rail is well regulated and decouple VDD/VDDCORE with low-ESR ceramics per the manufacturer datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP128MU504T-I/PT - 16-bit 70 MIPS USB DSC | Microchip
DSPIC33EP128MU504T-I/PT

DSPIC33EP128MU504T-I/PT - 16-bit 70 MIPS USB DSC | Microchip

The Microchip Technology DSPIC33EP128MU504T-I/PT is a 16-bit digital signal controller (DSC) with 128KB (43K x 24) of Flash program memory, 70 MIPS core performance, and integrated USB functionality, housed in a 44-pin TQFP (10x10 mm, PT) surface-mount package. A digital signal controller combines the compute architecture of a microcontroller with the numeric acceleration of a DSP. Within the power management and embedded control hierarchy, the dsPIC33E family sits above general-purpose 8-bit MCUs and alongside 32-bit MCUs, offering single-cycle MAC, DSP engine, and rich peripherals for real-time control loops. The dsPIC33EP family is Microchip's enhanced 16-bit core generation, fabricated to run at up to 70 MIPS from a 3.0V to 3.6V supply. Key features of the MU variant include an integrated full-speed USB 2.0 device/OTG peripheral, an 11-channel 10-bit ADC capable of 1.1 Msps, multiple UART, SPI, and I2C communication modules, output-compare and input-capture channels, and hardware support for the DSP instruction set. The 'T' suffix denotes tape-and-reel delivery for automated assembly, while the '-I' grade covers -40C to +85C industrial temperature operation. The architecture pairs the 16-bit dsPIC core with a hardware DSP engine supporting multiply-accumulate operations, enabling deterministic execution of filtering, transformation, and control algorithms. Flash program memory of 128KB accommodates complex firmware stacks including USB class drivers, communication protocols, and control loops. Typical applications include USB-enabled industrial instruments, power-supply and digital power control, motor control systems, and embedded consumer devices requiring USB connectivity combined with real-time signal processing. A key design consideration is clocking: full USB speed requires the internal PLL configuration for 48 MHz USB operation, so oscillator selection and PLL register settings must be validated early in the design. This page consolidates distributor availability, drop-in alternatives within the dsPIC33EP 44-TQFP family, and engineering design notes beyond what the manufacturer datasheet provides. Pricing and stock data referenced as of 2026-09-24.

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DSPIC33EP128MU506-E/MR - 16-bit DSC 128KB Flash | Microchip
DSPIC33EP128MU506-E/MR

DSPIC33EP128MU506-E/MR - 16-bit DSC 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MU506-E/MR is a 16-bit digital signal controller (DSC) with 128 KB of Flash program memory, part of the dsPIC33EP family, housed in a 64-pin QFN package (/MR package code) with extended temperature operation (-40C to +125C, -E suffix). A digital signal controller combines the computational architecture of a microcontroller with the DSP engine of a digital signal processor into a single chip. In the system hierarchy, the dsPIC33EP sits between general-purpose microcontrollers and dedicated DSPs, making it the power-management class of embedded processors: one device handles both real-time control loops and signal-processing tasks such as filters, transforms, and sensor fusion. Key differentiators of this device include its high-speed dsPIC33E core, generous 128 KB Flash for complex control algorithms, the MU-series peripheral set that includes Full-Speed USB device support, and the extended -40C to +125C temperature range enabling deployment in harsh industrial environments. The QFN package provides excellent thermal performance and a compact footprint for space-constrained boards. Architecturally, the dsPIC33EP family implements a modified Harvard pipeline with DSP multiply-accumulate instructions, allowing single-cycle MAC operations. Peripherals typical of the MU-series include high-speed PWM modules, multiple UART/SPI/I2C ports, ADC with simultaneous sampling capability, and USB, enabling closed-loop control of power converters and motor drives with integrated communications. Typical applications include digital power supplies and power factor correction, brushless DC and PMSM motor control, USB-connected industrial sensors and instrumentation, and general embedded control where DSP filtering is required alongside conventional I/O. Design consideration: the dsPIC33EP core requires an on-chip regulator bypass capacitor on the VCAP/VDDCORE pin; verify the exact value and layout recommendation in the Microchip datasheet, and budget GPIO carefully since 64 pins must serve both I/O and programming (ICSP) functions. This page synthesizes verified distributor availability, drop-in same-package alternatives, pricing tiers, and practical design notes not found on the manufacturer product page alone. Pricing references are as of 2026-09-24.

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DSPIC33EP128MU506-H/MR - 16-bit 128KB DSC 70 MIPS | Microchip
DSPIC33EP128MU506-H/MR

DSPIC33EP128MU506-H/MR - 16-bit 128KB DSC 70 MIPS | Microchip

The Microchip Technology DSPIC33EP128MU506-H/MR is a 16-bit digital signal controller (DSC) with 128KB of Flash program memory, a 70 MIPS dsPIC33E core, and USB OTG connectivity, housed in a 64-pin QFN (MR) package. A digital signal controller combines the computational capability of a microcontroller with the math throughput of a digital signal processor in a single chip. Within the power-management hierarchy of embedded systems, the dsPIC33EP family sits above simple MCUs and below application processors, making it the standard choice for closed-loop control, digital power conversion, and signal-processing tasks that require deterministic real-time response. Key features of this device include the 70 MIPS dsPIC33E core with DSP engine and single-cycle MAC, 128KB Flash with self-programming capability, integrated full-speed USB 2.0 OTG, multiple UART/SPI/I2C ports, high-speed 10/12-bit ADCs, and motor-control PWM peripherals. The MU sub-family specifically targets USB-connected applications, while its ECC logic and CRC module support safety-oriented designs. Architecturally, the core uses a modified Harvard bus with separate program and data paths, hardware loop constructs, and dual operand fetch, allowing one multiply-accumulate per cycle. Flexible clocking via an internal fast RC oscillator with PLL or external crystal lets designers trade precision against BOM cost; the -H suffix indicates a 125C maximum ambient operating grade. Typical applications include USB-connected industrial instruments, digital power supplies, BLDC/PMSM motor drives, and intelligent sensing nodes that must stream processed data over USB while running control loops at tens of kilohertz. For design, budget the USB transceiver's 3.3V rail separately from the core supply via an on-chip regulator, and decouple the QFN exposed pad with a solid ground pour to keep ADC noise low. This page adds distributor inventory data, same-family drop-in alternatives, and practical design notes not consolidated in the manufacturer datasheet.

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DSPIC33EP128MU506-I/MR - 16-bit DSC 128KB Flash USB | Microchip
DSPIC33EP128MU506-I/MR

DSPIC33EP128MU506-I/MR - 16-bit DSC 128KB Flash USB | Microchip

The Microchip Technology DSPIC33EP128MU506-I/MR is a 16-bit digital signal controller (DSC) with 128KB of flash program memory, an dsPIC33EP core operating at up to 60-70 MIPS, and integrated USB 2.0 full-speed connectivity, housed in a 64-pin TQFP (MR) surface-mount package. A digital signal controller combines the computational architecture of a digital signal processor (DSP) with the peripheral set and ease of use of a microcontroller (MCU). In the power-management hierarchy, the dsPIC33EP family sits within Microchip's 16-bit MCU/DSC portfolio, bridging general-purpose PIC24 microcontrollers and higher-end 32-bit embedded processors. DSCs are optimized for embedded control loops that also require multiply-accumulate (MAC) DSP math. Key features of the DSPIC33EP128MU506 include 128KB flash with self-programming capability, integrated USB 2.0 full-speed device support that distinguishes the MU variant from the motor-control MC variant, and the dsPIC33EP enhanced peripheral set including high-speed ADC, output-compare/PWM modules, and multiple UART, SPI, and I2C communication ports. Industrial temperature rating (-40C to +85C) is denoted by the I suffix. Architecturally, the dsPIC33EP core uses an optimized C compiler-friendly 16-bit instruction set with DSP engine support for multiply-accumulate operations, modulo and bit-reversed addressing, and two circular registers for efficient FIR/FFT execution. Program flash is execution from the same address space used for data, with hardware loop support reducing code overhead in time-critical control loops. Typical applications include USB-connected industrial instruments, embedded control and monitoring nodes, digital power supplies, motor-control systems, and general-purpose embedded systems requiring DSP math with USB communications. When designing with this device, budget PCB decoupling on all VDD/VSS pin pairs and verify USB compliance with proper series resistors and connector termination. Confirm exact SRAM size and peripheral allocation against the manufacturer datasheet before finalizing memory maps. This page synthesizes distributor stock and pricing references, drop-in alternatives within the dsPIC33 family, and practical design notes not found in the manufacturer datasheet.

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DSPIC33EP128MU506-I/PT - 16-bit 70 MIPS DSC, 128KB Flash | Microchip
DSPIC33EP128MU506-I/PT

DSPIC33EP128MU506-I/PT - 16-bit 70 MIPS DSC, 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MU506-I/PT is a 16-bit digital signal controller (DSC) with 128KB (128 Kbytes) of Flash program memory, a 70 MIPS dsPIC33E core, and an integrated full-speed USB 2.0 module, housed in a 64-pin TQFP (PT) surface-mount package rated for -40C to +85C industrial operation. A digital signal controller combines the computational architecture of a microcontroller with the math acceleration of a digital signal processor. Within the power-management hierarchy of embedded systems, the dsPIC33E family sits between general-purpose MCUs and standalone DSPs, offering a DSP-enhanced instruction set (DSP engine, 40-bit accumulators, modulo and bit-reversed addressing) alongside familiar MCU peripherals, making it a strong fit for real-time embedded control. Key features of this device include up to 70 MIPS throughput at 3.3V operation (VDD 3.0V to 3.6V), 128KB Flash with self-programming capability, 16KB on-chip SRAM, and 2.0V to 3.6V-tolerant flexible I/O on up to 53 pins. Peripherals include a 10-bit ADC capable of 1.1 Msps, full-speed USB 2.0 device support, CAN 2.0B, multiple UARTs, SPI and I2C ports, output-compare/PWM channels, and an input-capture subsystem for motion and power-conversion feedback loops. Architecturally, the dsPIC33E core uses a modified Harvard pipeline with hardware multiply-accumulate, enabling single-cycle MAC operations for filtering, transforms, and control-law execution without external DSP silicon. Typical applications include digital power supplies, brushless DC and PMSM motor control, USB-connected instrumentation, and industrial sensing nodes. Design consideration: keep the USB and analog supply domains filtered and decouple each VDD pin with 0.1uF ceramics close to the package. This page synthesizes verified distributor stock data, drop-in family alternatives, and practical design guidance not found in a single manufacturer source. Pricing shown reflects distributor RFQ data as of 2026-09-24.

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DSPIC33EP128MU506T-I/MR - 16-bit 70 MIPS DSC 128KB USB | Microchip
DSPIC33EP128MU506T-I/MR

DSPIC33EP128MU506T-I/MR - 16-bit 70 MIPS DSC 128KB USB | Microchip

The Microchip Technology DSPIC33EP128MU506T-I/MR is a 16-bit digital signal controller (DSC) from the dsPIC33EP family, delivering 70 MIPS performance with 128 KB (43K x 24) of Flash program memory and integrated full-speed USB OTG, housed in a 64-pin VQFN (9x9 mm) surface-mount package. A digital signal controller combines the computational architecture of a microcontroller with the math acceleration of a DSP, sitting in the system hierarchy between general-purpose MCUs and dedicated DSPs. The dsPIC33EP family pairs a 16-bit pipelined core with DSP instructions, an on-chip regulator, and rich analog and communication peripherals, making it a power-management-oriented single-chip solution. Key features include the 70 MIPS dsPIC33E core, 128 KB Flash and up to 32 KB of on-chip RAM for USB buffering and control, full-speed USB 2.0 OTG, multiple UART/SPI/I2C ports with PPS (Peripheral Pin Select) remapping, high-speed PWM, and an internal oscillator. The industrial temperature grade (-40C to +85C) suits harsh environments. Architecturally, the MU-series emphasizes connectivity: USB OTG operates in host, device, or dual-role modes, while the DMA controller and 16-channel PPS enable flexible pin assignment without external glue logic. The 3.0V to 3.6V supply is handled by an integrated regulator, simplifying power-tree design. Typical applications include USB-connected industrial instruments, motor control panels with USB commissioning ports, and audio or data-logging peripherals. Design consideration: budget Flash endurance and USB compliance testing early; the VQFN-64 thermal pad requires a solid ground pour. This page synthesizes distributor stock data, same-family drop-in alternatives, and design notes beyond the manufacturer datasheet.

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DSPIC33EP128MU506T-I/PT - 16-bit DSC 128KB Flash | Microchip
DSPIC33EP128MU506T-I/PT

DSPIC33EP128MU506T-I/PT - 16-bit DSC 128KB Flash | Microchip

The Microchip Technology DSPIC33EP128MU506T-I/PT is a 16-bit digital signal controller (DSC) from the dsPIC33EP family with 128 KB of flash program memory, delivered in a 64-pin TQFP (PT) surface-mount package with industrial temperature rating (-40C to +85C). The device integrates a 16-bit dsPIC33E DSP core, USB On-The-Go (OTG) capability, and multiple serial communications peripherals, making it a strong fit for embedded control with USB connectivity. A digital signal controller combines the architecture of a microcontroller (flash memory, general-purpose I/O, timers) with the numeric processing capability of a digital signal processor (hardware multiply-accumulate, DSP instruction set, high-throughput core). In the power-management hierarchy, the DSC sits between a general-purpose MCU and a dedicated DSP: it runs real-time control loops (motor FOC, digital power conversion) while simultaneously managing communication, USB enumeration, and system supervision in a single chip. Key features of the MU506 variant include the 128 KB self-programmable flash array, an integrated full-speed USB 2.0 OTG peripheral (a defining feature of the MU subfamily versus the MC variant), multiple UART, SPI, and I2C modules, PWM output-compare channels, an ADC block, and In-Circuit Serial Programming (ICSP) support for field updates. The 'T' suffix denotes tape-and-reel packaging for automated assembly; 'I' denotes the industrial temperature range. The dsPIC33E core is built around a modified Harvard architecture with a 16-bit data path, supporting 16 x 16 multiply and DSP MAC operations suited to control-law computation. Peripheral trigger-based DMA paths offload data movement from the CPU, which is important in motor control and USB streaming applications where interrupt latency must remain deterministic. Typical applications include USB-connected industrial instruments, digital power supplies and battery chargers, brushless DC and PMSM motor controllers, and general-purpose sensing nodes that must report data over USB. The combination of a DSP-capable core and native USB distinguishes it from PIC16-class controllers. Design consideration: flash size is fixed at 128 KB and cannot be extended, so headroom for firmware growth, USB stacks, and bootloaders should be budgeted at design time; if more memory is needed, pin-compatible DS33EP256MU506 variants in the same TQFP-64 footprint double the flash. This page synthesizes distributor availability data, drop-in alternative options, and practical design notes not found in the manufacturer datasheet.

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