DSPIC33FJ64GP204-E/ML
DSPIC33FJ64GP204-E/ML - 16-bit DSC 40MIPS 64KB Flash | Microchip
The Microchip Technology DSPIC33FJ64GP204-E/ML is a 16-bit digital signal controller (DSC) delivering 40 MIPS from its dsPIC33F core, with 64KB (64K x 8) of Flash program memory, 8192 words (16KB) of SRAM, and 8 DMA channels, housed in a 44-pin QFN (8x8 mm) package with exposed pad.
A digital signal controller merges the computational throughput of a DSP with the peripheral set, interrupt structure and ease of use of a microcontroller, sitting in the product hierarchy between a general-purpose MCU and a dedicated DSP. In a typical embedded system the DSC executes the real-time control loop, digital filters, and fast ADC sampling that a conventional 8-bit MCU cannot sustain, while still running application logic, communication stacks, and state machines in C.
Key features of this part include the 40 MIPS 16-bit modified Harvard architecture core, 8-channel DMA for offloading data movement, five 16-bit timers, and advanced analog peripherals. Extended-temperature qualification makes it suitable for harsh industrial environments. Supply voltage spans 3.0V to 3.6V.
Architecturally, the dsPIC33F family is designed to execute digital filter algorithms and high-speed precision digital control loops efficiently, with DSP multiply-accumulate instructions and dual operand fetch sustaining single-cycle MAC throughput. The 21 I/O pins are shared with peripherals, and up to 8 DMA channels transfer ADC results, UART, SPI and other data without CPU intervention.
Typical applications include digital power supplies and power factor correction, motor control (BLDC, PMSM, AC induction), sensor signal processing, and industrial automation requiring real-time loop closure at multi-kilohertz rates.
When designing with this part, budget the 3.0-3.6V rail carefully, use the exposed pad for ground and thermal relief, and verify peripheral pin assignments on the 44-QFN since the 21 I/O are heavily multiplexed. Debug via ICSP/ICD using the standard Microchip header.
This page synthesizes distributor pricing, drop-in same-family alternatives, practical design notes, and comparison data not consolidated in the manufacturer datasheet.
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