MM912G634DV1AER2

Application Specific Microcontrollers Overview

The MM912G634DV1AER2 is an integrated single-package solution combining an HCS12 microcontroller with a SMARTMOS analog control IC. It features a 16-bit S12 CPU, 48 kB P-FLASH, and 6.0 kB RAM. The device includes a LIN 2.1 physical layer interface, two protected low-side outputs for inductive loads, and two protected high-side outputs. It operates within a temperature range of -40°C to 105°C and utilizes a 48-pin LQFP package.

Application Specific Microcontrollers Feature Summary

• Integrated HCS12 MCU with 48 kB Flash and 6 kB RAM
• LIN 2.1 Physical Layer Interface with integrated SCI
• Two protected low-side and two protected high-side outputs
• Current sense module with selectable gain

Application Specific Microcontrollers Applications

• Relay driver applications
• Automotive body electronics
• Lighting control systems

Application Specific Microcontrollers Procurement Notes

Verify the R2 suffix indicates tape and reel packaging. Confirm the DV1A variant corresponds to the specified -40°C to 105°C operating temperature range and Analog Option A2. Ensure compatibility with the 48-LQFP package dimensions.

Application Specific Microcontrollers Selection Notes

Select this part for applications requiring integrated relay driving capabilities with LIN communication. Compare against MM912H634 variants if higher memory capacity (64 kB) or different analog options are required. Verify power supply requirements align with the 2.25V to 5.5V input range.

Application Specific Microcontrollers Part Context

This component belongs to the MM912_634 family, which integrates an HCS12 microcontroller with a SMARTMOS analog die. The family offers variations in Flash size (48 kB vs 64 kB) and analog feature sets (Options A1 vs A2). The MM912G634 specifically denotes the 48 kB Flash configuration.

Application Specific Microcontrollers Replacement Considerations

Public confirmed substitute part numbers: None identified.