PIC24EP128GP202T-I/SS
PIC24EP128GP202T-I/SS - 16-bit 70 MIPS MCU, 128KB Flash | Microchip
The Microchip Technology PIC24EP128GP202T-I/SS is a high-performance 16-bit microcontroller from the PIC24EP "General Purpose" family, featuring the 70 MIPS dsPIC/PIC24E core, 128 KB of Flash program memory, 16 KB of SRAM, and 4 KB of EEPROM, all packaged in a 28-pin SSOP (5.30 mm body width, "T" suffix denotes tape-and-reel).
A 16-bit microcontroller (MCU) is a single-chip computer that integrates a CPU core, non-volatile program memory, RAM, peripherals, and I/O into one package. The PIC24E architecture is a 16-bit modified-Harvard RISC core optimized for deterministic real-time control, sitting in the broader hierarchy of microcontrollers -> embedded processors -> semiconductors. The PIC24EP128GP202T belongs to the "Enhanced" PIC24E sub-family, which adds hardware Op-Amps, comparators, CTMU (Charge Time Measurement Unit), and the Peripheral Trigger Generator (PTG) for chained, autonomous peripheral sequencing.
Key features of this part include 70 MIPS CPU performance at up to 60 MHz, a single 3.0 V-3.6 V supply, two on-chip operational amplifiers (usable for signal conditioning before the ADC), two analog comparators with programmable reference, a 10/12-bit ADC with up to 1 Msps, PWM modules, and the CTMU for capacitive touch or precise time measurement. The "GP" designation indicates general-purpose peripherals, while the "T" suffix is a packaging identifier for tape-and-reel supply. The "-I/SS" suffix indicates the industrial temperature grade (-40 °C to +85 °C) and the SSOP-28 package.
Architecturally, the PIC24E core uses a 16-bit instruction word with 24-bit addresses, supporting a linear 24-bit program space and a 16-bit data path. The PTG allows up to 32-step trigger sequences that can drive ADC conversions, PWM updates, and other peripherals without CPU intervention, freeing the core for application logic. Combined with the integrated Op-Amps, designers can build closed-loop analog control systems using only the PIC24EP128GP202, no external analog front-end required.
Typical applications include industrial motor control, sensor signal conditioning, LED lighting control, switched-mode power supply (SMPS) digital control, medical instrumentation, automotive body and accessory modules (industrial temperature range), and consumer appliances. The CTMU makes the part well suited for capacitive touch interfaces, while the Op-Amps and ADC enable direct interface to bridge sensors, thermocouples, and current shunts.
When designing with this MCU, allocate pin budget carefully - SSOP-28 has only 28 pins, so the two Op-Amps and two comparators may share I/O with digital functions via PPS (Peripheral Pin Select). Use Microchip's MPLAB X IDE and XC16 compiler for firmware development; both are free and integrate with the PIC24E instruction set and DSP library.
This page synthesizes current distributor pricing, drop-in same-package alternatives, application notes, and design guidance not consolidated in the manufacturer datasheet.
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