C912ZVML12L0WKH

Overview

The C912ZVML12L0WKH is a 16-bit microcontroller from the NXP S12 MagniV family, built on the S12Z core. It features 128 kB of Flash memory with ECC and 8 kB of RAM with ECC. The device includes 512 bytes of EEPROM with ECC and supports clock frequencies up to 100 MHz. It integrates six 15-bit PWM channels for motor control, dual 12-bit ADCs, and a Programmable Trigger Unit (PTU). The MCU operates within a voltage range of 3.5 V to 20 V and includes a LIN physical layer.

Feature Summary

• Enhanced S12Z kernel supporting high-speed processing for automotive applications
• Integrated gate drive unit (GDU) for controlling power MOSFETs in motor drives
• Built-in error correction codes (ECC) for Flash, RAM, and EEPROM to ensure data integrity
• Specialized peripherals including dual 12-bit ADCs and programmable trigger units for synchronized conversions

Applications

• Automotive electric power steering systems
• Electric throttle control modules
• Active suspension control units
• General-purpose motor control in industrial settings

Procurement Notes

Verify the specific suffix L0WKH against official NXP documentation to confirm package type, temperature grade, and mass production status. Ensure compatibility with existing PCB footprints and thermal management requirements for the LQFP-EP package. Confirm that the selected variant meets all functional safety standards required for your specific application design.

Selection Notes

Select this component when designing systems requiring robust motor control capabilities combined with high-performance processing. The integrated GDU simplifies hardware design by directly driving external MOSFETs. Consider the ECC features if system reliability and fault tolerance are critical priorities. Evaluate the 100 MHz clock speed against software complexity to ensure optimal performance margins.

Part Context

This part belongs to the S12ZVM series, designed specifically for mixed-signal applications in the automotive sector. It complements other MagniV devices like the S912ZVL and C912ZVC by offering higher performance and specialized motor control peripherals. The series emphasizes functional safety through its SafeAssure program compliance.

Replacement Considerations

Direct substitutes within the same family include parts with similar memory sizes and pinouts, such as the C912ZVML64 or C912ZVML32 variants. Verify pin compatibility and peripheral availability before swapping. Cross-referencing with the S912ZVM series may be necessary if different packaging options are required.