PIC24EP512GP202-I/MM
PIC24EP512GP202-I/MM - 16-bit 70 MIPS 512KB Flash MCU | Microchip
The Microchip Technology PIC24EP512GP202-I/MM is a 16-bit microcontroller from the PIC24EP general-purpose family, delivering 70 MIPS performance at 3.3V with 512 KB of Flash program memory (170K x 24) and 48 KB of RAM, housed in a 28-pin VQFN (6x6 mm) package with exposed thermal pad. The 'GP' family designation signifies its general-purpose positioning, with on-chip peripherals including op amps, a CTMU, advanced ADC, and the Peripheral Trigger Generator (PTG) for high-end embedded control applications.
A 16-bit microcontroller (MCU) is a microprocessor optimized for embedded control, integrating a CPU, non-volatile Flash program memory, volatile data RAM, and a rich peripheral set (ADC, timers, communication controllers) onto a single die. Compared to 8-bit MCUs, 16-bit cores offer higher arithmetic throughput, wider data paths, and DSP-friendly instruction sets while retaining deterministic real-time behavior. PIC24EP devices sit in Microchip's mid-range dsPIC/PIC24 portfolio above PIC18 and below dsPIC33/PIC32, offering a balance of cost, code density, and analog integration.
Key features include the high-performance 70 MIPS CPU core with modified Harvard architecture, 512 KB self-programmable Flash, 48 KB SRAM, up to 25 MIPS single-cycle DSP support, and a 10/12-bit ADC with up to 1.1 Msps conversion rate. The device integrates operational amplifiers, comparators, a Charge Time Measurement Unit (CTMU), and the Peripheral Trigger Generator for hardware-state-machine timing. Communication peripherals cover UART, SPI, I2C, and ECAN, while up to 21 I/O pins support mappable peripheral functions.
The PIC24EP512GP202 uses a 3.0V to 3.6V single-supply core with separate analog and digital voltage domains, providing excellent noise immunity for mixed-signal designs. The PTG peripheral is a unique feature that sequences ADC, PWM, and I/O triggers without CPU intervention, freeing the core for application-level tasks. With 70 MIPS, the device can execute complex control loops, sensor-fusion routines, and digital filtering in real time.
Typical applications include industrial motor control (BLDC/PMSM field-oriented control), digital power conversion (digital PFC, LLC, phase-shifted full-bridge SMPS), sensor signal conditioning using integrated op amps, CAN-connected automotive body/comfort modules, medical instrumentation, and high-performance general-purpose embedded control. The 28-QFN (6x6) footprint suits compact board layouts where small size and good thermal dissipation are both required.
When designing with this part, ensure decoupling per the datasheet (typically 100 nF + bulk close to VDD/AVDD pins), and note that exposed-pad QFN packages require thermal vias beneath the pad for rated operation. Verify programming via Microchip's MPLAB X IDE with the XC16 compiler; programmers include ICD 4, MPLAB SNAP, and PICkit 4. This page consolidates distributor pricing, package alternatives, and design notes that extend beyond the manufacturer datasheet to accelerate BOM selection.
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