The MC9S12P128MQK is a microcontroller unit (MCU) integrated circuit (IC) component developed by NXP Semiconductors. It belongs to the S12P family of 16-bit MCUs, specifically designed for automotive applications. With its powerful features and robust architecture, the MC9S12P128MQK offers a wide range of capabilities suitable for different automotive systems.
Key features of the MC9S12P128MQK include:
1. Core: The MCU is built around the Enhanced S12P CPU core, which provides high computing power and efficient execution of instructions. The core operates at a maximum frequency of up to 50 MHz, enabling fast processing of data.
2. Flash Memory: The IC is equipped with 128 KB of on-chip flash memory, allowing for the storage of application software and firmware. The flash memory supports both programmable read-only (PROM) and electrically erasable programmable (EEPROM) memory, essential for storing critical data.
3. RAM and EEPROM: The MC9S12P128MQK contains 8 KB of random-access memory (RAM), which provides temporary storage for data during execution. Additionally, it features 2 KB of on-chip EEPROM, allowing non-volatile storage for vital information.
4. High-Speed Communication: To facilitate communication with external devices or other microcontrollers, the MCU offers various communication interfaces. These include two serial communication interfaces (SCI), two serial peripheral interfaces (SPI), and two controller area network (CAN) modules. These interfaces enable seamless communication within the automotive network.
5. Analog Features: The MC9S12P128MQK integrates analog-to-digital converters (ADCs) and digital-to-analog converters (DACs). It includes a 10-bit SAR ADC with up to 8 input channels, allowing for precise measurement of analog signals. The DACs offer analog output voltage generation, enabling control over analog systems.
6. Peripherals: The IC component is equipped with a wide range of peripherals to enhance functionality and versatility. It includes timers, pulse-width modulation (PWM) channels, interrupts, universal asynchronous receiver-transmitter (UART), and more. These peripherals enable precise timing, system control, and efficient data transfer.
7. Power Management: The MC9S12P128MQK incorporates comprehensive power management features. It supports multiple low-power modes, allowing the MCU to adjust power consumption based on system requirements. This feature is crucial for automotive applications, where power efficiency is essential.
8. Robustness and Security: The MCU offers several safety features to ensure system reliability and data security. It includes memory protection units (MPUs) for secure memory access, cyclic redundancy check (CRC) to detect and correct errors, and a watchdog timer (WDT) for system reset in case of failures or malfunctions.
In summary, the MC9S12P128MQK is a highly capable 16-bit MCU component tailored for automotive applications. With its powerful core, ample memory options, extensive communication interfaces, and rich set of peripherals, it provides the versatility and reliability required for modern automotive systems.
