PIC24HJ128GP210AT-I/PT
PIC24HJ128GP210AT-I/PT - 16-bit 40 MIPS 128KB Flash MCU | Microchip
The Microchip Technology PIC24HJ128GP210AT-I/PT is a 16-bit PIC24H microcontroller with a 40 MIPS CPU, 128 KB (43K x 24) on-chip Flash program memory, and a 100-pin TQFP (12x12 mm) tape-and-reel package rated for the industrial -40C to +85C temperature range. It belongs to the PIC24H family of high-performance 16-bit microcontrollers designed for applications requiring fast, repetitive computations plus deterministic control. The device integrates 16 KB RAM, an 8-channel DMA, dual 16-channel 10/12-bit ADCs (up to 1.1 Msps), three 16-bit timers and a 16-bit 100-pin general-purpose configuration.
A microcontroller (MCU) is a single-chip computer containing a CPU core, non-volatile program memory (Flash), volatile data memory (SRAM), and a rich set of on-chip peripherals such as ADCs, timers, communication controllers, and GPIO. Within the semiconductor taxonomy, an MCU is classified as: microcontroller -> embedded processor -> integrated circuit -> semiconductor. The PIC24HJ128GP210A specifically uses Microchip's 16-bit modified Harvard architecture with a single-cycle 40 MHz core, which delivers 40 MIPS of deterministic throughput that maps to higher-level requirements such as digital signal control, motor commutation, and power conversion feedback loops.
Key differentiating features include 128 KB self-programmable Flash with code protection, four UART modules, two SPI modules, two I2C modules, two CAN 2.0B modules, a 9-channel 16-bit PWM, and an Enhanced Parallel Master/Slave Port (EPMP). These peripherals match the typical bill-of-materials of industrial drives, automotive body controllers, and grid-tied power-conversion stages.
Architecturally, the PIC24HJ128GP210A shares pin compatibility with the dsPIC33F Digital Signal Controller family, allowing field-upgrade from MCU-only to DSP class within the same PCB footprint. The CPU executes instructions in a single clock cycle, the on-chip oscillator supports 7.5 MHz internal FRC with PLL, and the device operates from 3.0 V to 3.6 V. Power-management features include Doze, Idle, Sleep and Deep Sleep modes for low-power duty-cycled applications.
Typical applications include industrial motor control (BLDC, PMSM, AC induction), switch-mode power supplies with digital control, sensor data acquisition systems, automotive body and chassis ECUs, CAN-based industrial networking nodes, and consumer appliances with TFT HMI. The large 128 KB Flash enables full protocol stacks such as CANopen or J1939, plus application logic, to run from a single chip.
A key design consideration is that the 'AT' suffix denotes tape-and-reel packaging and industrial temperature grade, while the family is pin-compatible with dsPIC33F devices, simplifying future migration to DSP-based control. Designers should reference Microchip application notes on dsPIC33/PIC24 peripheral libraries to accelerate bring-up.
This page synthesizes XAIPART pricing tiers, Microchip cross-references, drop-in alternatives, and design notes not found in a single distributor listing.
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