MC9S12XD256VAL

Microcontrollers Overview

The MC9S12XD256VAL is a 16-bit microcontroller from the S12XD family, utilizing the HCS12X core. It features 256 kB of Flash memory and 16 kB of data RAM. The device supports a maximum clock frequency of 80 MHz and includes an integrated voltage regulator. It operates within a digital supply voltage range of 2.35 V to 2.75 V, while analog I/O pins support 3.15 V to 5.5 V. The component is housed in an LQFP-112 package and provides 59 general-purpose I/O lines.

Microcontrollers Feature Summary

• Integrated XGATE coprocessor for offloading real-time tasks
• Supports automotive multiplexing applications with high EMC performance
• Includes multiple communication interfaces such as CAN, SCI, SPI, and IIC
• Features dual 10-bit Analog-to-Digital Converters (ATD)

Microcontrollers Applications

• Automotive body electronics
• Instrument clusters
• Multiplexing systems

Microcontrollers Procurement Notes

Verify the specific maskset revision and temperature grade corresponding to the 'V' suffix against the official NXP ordering information appendix. Confirm that the LQFP-112 package dimensions match the target PCB footprint requirements before finalizing procurement.

Microcontrollers Selection Notes

Select this variant when 256 kB of program memory is required alongside the 112-pin form factor. Ensure the design accommodates the specific voltage domains for digital logic versus analog peripherals. Verify compatibility with existing S12D codebases if migration from previous generations is planned.

Microcontrollers Part Context

This component belongs to the MC9S12XD family, which delivers enhanced performance over the original S12D series while maintaining pin and code compatibility. The S12XD architecture is optimized for automotive environments, offering improved processing speed and integrated peripherals suitable for complex control applications.

Microcontrollers Replacement Considerations

MC9S12XD256CAL

Microcontrollers FAQ

What is the function of the XGATE module?

The XGATE is a RISC-based coprocessor designed to handle time-critical tasks independently of the main CPU, thereby improving overall system efficiency.

Does this MCU support external bus expansion?

Yes, the MC9S12XD256VAL includes an External Bus Interface (EBI) allowing connection to external memory or peripheral devices.