MC9S12XA256CAG

Microcontrollers Overview

The MC9S12XA256CAG is a 16-bit microcontroller from the HCS12X family, manufactured by Freescale Semiconductor. It features a CPU12 core with a maximum clock frequency of 40 MHz and includes 256 KB of Flash memory. The device is housed in a 144-pin LQFP package and supports DMA channels. It integrates an on-chip ADC and requires a 5 V supply voltage. The component operates within a temperature range of -40 °C to 125 °C.

Microcontrollers Feature Summary

• Integrates 256 KB of non-volatile Flash memory for program storage.
• Supports Direct Memory Access (DMA) for efficient data transfer.
• Includes an integrated Analog-to-Digital Converter (ADC).
• Operates reliably across an extended industrial temperature range.

Microcontrollers Applications

• Automotive instrument clusters
• Body control modules
• Powertrain control systems

Microcontrollers Procurement Notes

Verify the specific ordering suffix 'CAG' against official NXP/Freescale documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing 5V power domains and validate that the 40 MHz clock speed meets system timing requirements before procurement.

Microcontrollers Selection Notes

Select this component when a 16-bit architecture with substantial Flash capacity is required for automotive applications. The 144-pin LQFP package provides extensive I/O availability. Confirm that the 5V supply requirement aligns with the target system design and that the 40 MHz performance level satisfies processing needs.

Microcontrollers Part Context

This part belongs to the S12XA series of 16-bit microcontrollers designed for robust automotive environments. The HCS12X core offers enhanced performance over previous generations, supporting complex control algorithms. The device is optimized for high-reliability applications requiring significant code storage and deterministic real-time processing capabilities.

Microcontrollers Replacement Considerations

Check for end-of-life status or recommended new design alternatives such as the S912XHZ series. Verify pinout compatibility if substituting with other S12XA derivatives like the MC9S12XA256MFV, noting potential differences in operating temperature ranges and package options.