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MCU 16-bit HCS12X CISC 128KB Flash 5V Automotive 64-Pin LQFP Tray

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MC9S12XS128MAE General Description

The S12XS 16-bit MCU family is optimized for a broad range of cost-sensitive automotive body electronics applications.Addressing customer needs for design flexibility and platform compatibility, the S12X products enable scalability, hardware and software reusability and compatibility across a broad array of automotive electronics platforms.The S12XS automotive MCU family allows you to quickly react to market opportunities while reducing the cost of migration if application requirements change during your development cycle.Compact packaging makes these devices suitable for space-constrained applications, such as small actuators, sensor modules and column-integrated modules.

NXP Semiconductor Inventory

Key Features

16-bit MCU, S12X core, 128KB Flash, 40MHz, -40/+125degC, QFP 64
NXP Semiconductor Original Stock


  • Automotive
  • Industrial
  • Mobile
  • Smart Home
NXP Semiconductor Inventory


Flash (kB) 128 RAM (kB) 8
ADC (bits) 8 Operating Frequency [Max] (MHz) 40
Supply Voltage [max] (V) 5.5 Supply Voltage [min] (V) 3.13
Ambient Operating Temperature (Min to Max) (℃) -40 to 125
S12XS Microcontroller Block Diagram


Shipping Method

Our products are mainly transported and delivered by DHL, FedEx, UPS and other logistics partners on site -- Available to 200+ countries.

Delivery Time

The delivery time is usually within 2-7 days, depending on the logistics provider and the area of delivery.

The following are the estimated delivery times of some logistics service providers.

  • DHL

  • Fedex

  • UPS

  • EMS

  • Registered Air Mail


We accept TT prepayment (bank transfer), paypal, credit cards, Western Union, Money Gram.

Checks and other instruments are not supported to pay for orders and customers are required to pay all possible fees, including sales tax,
customs fees, etc.

  • Wire Transfer

  • Paypal

  • Credit Card

  • Western Union

  • Money Gram


Our policies and procedures are designed to ensure compliance with various quality specifications and to quickly resolve quality-related issues.

We promise to provide 365 days quality assurance service for all our products.

If you have any dissatisfaction with the quality of the product you received, you can contact us for a refund or exchange, as long as the product is kept in its original condition.


AVAQ determines and packages all devices based on electrostatic discharge (ESD) and moisture sensitivity level (MSL) protection requirements.
  • ESD


  • Tape and Reel

    Tape and Reel

  • Cut Tape

    Cut Tape

  • Tube or Tray

    Tube or Tray


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MC9S12XS128MAE Datasheet PDF

Preliminary Specification MC9S12XS128MAE PDF Download

MC9S12XS128MAE PDF Preview

Buying Guide

  • What is the lifespan of MC9S12XS128MAE?

    The lifespan of MC9S12XS128MAE depends on various factors such as the quality of materials used, operating conditions, and the manufacturer's recommended usage time. The datasheet provided by the manufacturer specifies the expected lifespan of the product.

  • Where can I find the full specification of MC9S12XS128MAE?

    You can find it with PDF Datasheet for MC9S12XS128MAE on this page. If it is not available, you can contact Avaq at [email protected] to inquire about the Datasheet for this part.

  • How to check the quality of MC9S12XS128MAE?

    Avaq has separate quality services with common quality inspection equipment for testing items, you can also fill out a sample form, our team will get in touch with you within 24 HOURS.

  • Can I purchase samples for testing?

    Avaq offers free samples for customers to test. This can often help you determine whether the chip or component meets your needs.

  • Where can I check the delivery after the order is completed?

    Once the order is completed, you will receive an order confirmation email containing a tracking number from AVAQ, then you can track the delivery by yourself.

  • Where to view my order of MC9S12XS128MAE or my history order record?

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