PIC24HJ128GP506AT-I/PT
PIC24HJ128GP506AT-I/PT - 40 MIPS 16-bit MCU 128KB Flash | Microchip
The Microchip Technology PIC24HJ128GP506AT-I/PT is a high-performance 16-bit microcontroller from the PIC24H family that delivers up to 40 MIPS throughput, integrates 128 KB of Flash program memory and 8 KB of RAM, and is housed in a 64-pin TQFP (10x10 mm) package. It operates from a 3.0V to 3.6V supply and provides 53 general-purpose I/O pins, making it suitable for real-time control and high-speed signal processing applications. This member of the PIC24HJ128GP506A family uses the same PIC24H Harvard architecture that allows seamless migration to and from dsPIC30F, dsPIC33F, and PIC24F devices.
A PIC24H microcontroller is a 16-bit RISC processor that combines an advanced modified Harvard architecture with DSP-oriented instructions, positioning it in the broader category of microcontrollers -> 16-bit MCUs -> embedded controllers -> semiconductor ICs. The 'H' suffix indicates the highest performance tier of the PIC24 family, achieving up to 40 MIPS at 3.3V while maintaining code compatibility with the PIC24F and dsPIC families. PIC24H MCUs typically feature DMA controllers, motor-control PWMs, and enhanced peripherals designed for motor drive, power conversion, and high-speed sensor interfacing.
Key differentiating features of the PIC24HJ128GP506AT-I/PT include the 128 KB (43K x 24 instruction words) Flash, 8 KB RAM, hardware multiplier, four 16-bit timer/counters, up to four UART, two SPI, two I2C, and a 16-channel 10/12-bit ADC. The device also provides two analog comparators, a real-time clock and calendar (RTCC) with calendar mode, and a charge time measurement unit (CTMU) for capacitive touch and accurate timing measurements. These peripherals allow engineers to implement complex control loops, sensor interfaces, and communications stacks without external ICs.
The architecture employs a 16-bit datapath with a modified Harvard structure that allows a 24-bit instruction word, providing code density comparable to 32-bit MCUs while maintaining low power consumption. The device also supports 16-channel DMA, reducing CPU load for high-throughput data movement between peripherals and memory. Combined with hardware-level IEC 60730 Class B support libraries, this simplifies functional-safety firmware development for household appliances.
Typical applications include industrial motor control (BLDC, PMSM, AC induction), digital power conversion (SMPS, UPS, solar inverter MPPT), automotive body and chassis ECUs, medical instrumentation, and high-speed sensor fusion. The wide operating temperature range (-40C to +85C, 'I' grade) makes it suitable for industrial environments, and the 64-pin TQFP footprint allows straightforward PCB routing with a generous ground and power pin count for noise immunity.
Designers should consider the 'T' suffix which denotes a tape-and-reel packaging option and the 'A' silicon revision. The part is pin-compatible with the dsPIC33FJ128GP306A family and the PIC24HJ128GP306A family, simplifying platform migration. When migrating to lower-cost variants, the PIC24HJ128GP506A-I/PT (tray) or PIC24HJ128GP506AT-I/MR (QFN) provide functionally identical alternatives in different footprints or packaging.
This page consolidates distributor pricing, drop-in alternatives, and application design guidance drawn from the Microchip PIC24HJ128GP506 datasheet, supplementing the manufacturer documentation with comparative insight that is not available on a standalone product page.
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