MM912G634DV1AE

Application Specific Microcontrollers Overview

The MM912G634DV1AE is a single-package integrated solution combining an HCS12 microcontroller with a SMARTMOS analog control IC. It features a 16-bit S12 CPU operating at a maximum bus frequency of 20 MHz, equipped with 48 kB P-FLASH, 2 kB D-FLASH, and 2 kB RAM. The device includes a LIN 2.1 physical layer interface, a 10-bit 15-channel ADC, and two protected low-side outputs for driving inductive loads. It operates within a temperature range of -40°C to 105°C and is housed in a 48-pin LQFP package.

Application Specific Microcontrollers Feature Summary

• Integrated HCS12 MCU with 48 kB Flash and 2 kB RAM
• LIN 2.1 Physical Layer Interface with integrated SCI
• Two protected low-side outputs for relay/inductive load driving
• 10-bit ADC with 15 channels and current sense module

Application Specific Microcontrollers Applications

• Relay driver applications
• DC motor control systems
• Automotive body electronics nodes

Application Specific Microcontrollers Procurement Notes

Verify the specific analog option (A1 or A2) required for the application, as features like the second high-side output and current sense module vary between derivatives. Confirm the package suffix corresponds to the desired thermal pad configuration (EP vs standard). Ensure the ordering suffix matches the required tape and reel or tray packaging format if applicable.

Application Specific Microcontrollers Selection Notes

Select this component when a combined MCU and power driver solution is needed for relay or small motor control. Compare the MM912G634 (48 kB Flash) against the MM912H634 (64 kB Flash) based on code size requirements. Check the Analog Option table to ensure necessary features like battery sense or wake-up inputs are available in the chosen variant.

Application Specific Microcontrollers Part Context

This part belongs to the MM912_634 family, which integrates S12 technology with high-voltage analog features. It is designed to simplify system design by reducing bill of materials costs and physical footprint compared to discrete solutions. The family supports various automotive and industrial applications requiring robust interface and control capabilities.

Application Specific Microcontrollers Replacement Considerations

Direct replacements include other MM912G634 variants with different temperature ranges or packages, such as MM912G634DM1AE (-40°C to 125°C, LQFP48-EP). Cross-family migration to S12ZVMB or S12VR series may be considered for different driver configurations but requires significant hardware and software redesign.