Microchip PIC24HJ128GP202-I/MM: A Comprehensive Technical Overview
The Microchip PIC24HJ128GP202-I/MM represents a high-performance member of the PIC24H family of 16-bit microcontrollers, engineered for applications demanding robust computational power, precision analog integration, and reliable operation in industrial and automotive environments. This device encapsulates a blend of advanced peripherals, significant memory resources, and low-power management features, making it a versatile solution for complex embedded designs.
At the core of this microcontroller lies a powerful 16-bit modified Harvard architecture CPU, capable of operating at up to 40 MIPS (40 MHz clock). This performance level is crucial for executing computationally intensive tasks efficiently, such as digital signal processing (DSP), real-time control algorithms, and multi-layered communication protocols. The inclusion of a hardware multiplier and divider further accelerates mathematical operations, enhancing its suitability for control-loop processing and data analysis.
Memory resources are substantial, with 128 KB of self-programmable Flash and 8 KB of RAM. The large Flash memory allows for storing extensive application code and data tables, while the generous RAM size supports complex variable handling and stack operations. The self-programmable feature enables robust In-Circuit Serial Programming (ICSP) and bootloader capabilities, facilitating flexible field firmware updates.
A standout feature of the PIC24HJ series is its sophisticated peripheral set. The device integrates a high-resolution 10-bit Analog-to-Digital Converter (ADC) with a rapid conversion rate, capable of sampling multiple channels. This is complemented by multiple 16-bit timers/counters, Capture/Compare/PWM (CCP) modules, and a hardware Real-Time Clock and Calendar (RTCC), providing precise timing and control for motor drives, sensor interfaces, and time-critical functions.
Connectivity is addressed through several serial communication interfaces, including UART, SPI, and I²C modules. These facilitate seamless data exchange with a wide array of sensors, memory chips, and other peripherals, as well as communication with host systems or other microcontrollers.
The part number suffix I/MM denotes its industrial temperature range (-40°C to +85°C) and the 28-pin QFN (MM) package. This package offers a compact footprint with excellent thermal performance, ideal for space-constrained and harsh environment applications. Furthermore, the microcontroller incorporates robust watchdog timers, brown-out reset (BOR), and fail-safe clock monitoring mechanisms, ensuring maximum system reliability and uptime.
Operating from a 2.5V to 3.6V supply, it balances performance with power efficiency. Various low-power modes, such as Sleep and Idle, allow the system to minimize current consumption during periods of inactivity, which is critical for battery-powered or energy-sensitive applications.
ICGOOODFIND: The PIC24HJ128GP202-I/MM is a high-integration, high-reliability 16-bit microcontroller. Its combination of 40 MIPS CPU performance, ample memory, advanced analog and timing peripherals, and robust industrial features makes it an exceptional choice for developers tackling demanding designs in industrial automation, automotive systems, medical devices, and advanced consumer electronics.
Keywords: 16-bit Microcontroller, 40 MIPS, Industrial Temperature, PIC24H Family, Embedded Peripherals.
