Part Number: S912XDG128F2MAL

Manufacturer: Freescale Semiconductor

Description: IC MCU 16BIT 128KB FLASH 112LQFP

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of S912XDG128F2MAL

Datasheet  S912XDG128F2MAL datasheet
Category Integrated Circuits (ICs)
Family Embedded – Microcontrollers
Manufacturer Freescale Semiconductor – NXP
Series HCS12X
Packaging Tray
Part Status Active
Core Processor HCS12X
Core Size 16-Bit
Speed 80MHz
Connectivity CAN, I2C, SCI, SPI
Peripherals LVD, POR, PWM, WDT
Number of I/O 91
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size 2K x 8
RAM Size 12K x 8
Voltage – Supply (Vcc/Vdd) 2.35 V ~ 5.5 V
Data Converters A/D 8x10b, 16x10b
Oscillator Type External
Operating Temperature -40°C ~ 125°C (TA)
Package / Case 112-LQFP
Supplier Device Package 112-LQFP (20×20)


In the world of microcontrollers, technology keeps changing the way things work, making them faster, more efficient, and more flexible. The MC9S12XD family is a great example of one of these. It promises to change the way engineers and writers think about embedded systems. In this detailed guide, we look at the MC9S12XD128F2MAL microcontroller, which is a very interesting part of this family.

Unveiling the MC9S12XD Family

At the heart of the MC9S12XD family is a promise to keep the same great features that made the MC9S12 family a favorite in the business. Expect the main benefits of low cost, low power consumption, electromagnetic compatibility (EMC), and small code size to remain in this new version.

Enhanced S12 Core: Performance Redefined

The main thing that makes the MC9S12XD family innovative is the changes that were made to its S12 heart. When compared to the old S12 microcontroller, which ran at 25 MHz, these changes mean that the new one is 2 to 5 times faster. This jump in processing power gives developers and engineers a whole new set of options and lets them work on more complicated tasks and apps in a way that has never been done before.

● Unveiling the Advancements

The improved S12 core in the MC9S12XD family shows how hard people work to make technology better. Its faster clock speeds, better instruction pipeline, and more advanced architecture all add to the huge boost in performance. So, applications that need to process data quickly, respond in real time, and do complicated calculations will gain a lot from this improved core.

● Seamlessly Preserving Compatibility

The MC9S12XD family pushes the limits of speed, but it doesn’t leave behind people who used the S12 microcontroller, which came before it. One of the most important things about this improvement is that the pin and code compatibility with the S12 will not change. This strategic choice was made with current users in mind, so the path to the new system will be smooth and easy.

● The Significance of Compatibility

You can’t say enough about how important it is that your pin and code work together. Businesses and coders who have already built projects around the S12 microcontroller will save a lot of time and money because of this compatibility. There’s no need to rewrite a lot of code or change the way hardware connections work. The MC9S12XD family respects the time and money that its users have put into the S12 platform and gives them a way to get to the next level of speed without the usual problems.

● Enabling Seamless Migration

The MC9S12XD family lets engineers use the knowledge and tools they already have when switching to the improved S12 core. With known pin layouts and coding structures, the process of migrating becomes logical and step-by-step. This makes it easier for people to learn how to use the MC9S12XD family’s advanced features and speeds up their acceptance.

● Embracing the Future

The MC9S12XD family’s upgraded S12 core is more than just a performance boost; it’s a promise of progress. This microcontroller family opens the door to new projects, applications, and markets by finding a balance between innovation and compatibility. The upgraded S12 core ushers in a new era of embedded system development, whether in automotive systems, industrial automation, or consumer electronics.

The MC9S12XD family’s upgraded S12 core exemplifies the power of uncompromising innovation. It provides a platform for existing users to explore new vistas while standing firmly on the foundation they’ve already created, thanks to its significant performance boost and persistent dedication to compatibility. This forward-thinking approach establishes the MC9S12XD family as a microcontroller pioneer.

The Power of XGATE Module

The inclusion of the XGATE module is a noteworthy feature of the MC9S12XD series. This performance-enhancing component introduces parallel processing by utilizing increased Direct Memory Access (DMA) functionality. The XGATE module supports high-speed data processing and seamless transfers between peripheral modules, RAM, Flash EEPROM, and I/O ports by offloading the CPU. The XGATE module has access to all peripherals, Flash EEPROM, and RAM blocks, and can offer up to 80 Million Instructions Per Second (MIPS) in addition to the CPU’s capabilities.

Comprehensive On-Chip Peripherals

The MC9S12XD128F2MAL is a member of the MC9S12XD family, which includes a plethora of on-chip peripherals that enable developers to create sophisticated applications. This microcontroller has up to 512 Kbytes of Flash EEPROM, 32 Kbytes of RAM, and 4 Kbytes of EEPROM, which provides a solid basis for data storage and processing. An 8-channel IC/OC improved capture timer,  6 asynchronous serial communication interfaces (SCI), 3 three serial peripheral interfaces (SPI),  and an 8-channel 10-bit analog-to-digital converter are among its features.

A 16-channel 10-bit analog-to-digital converter, an 8-channel pulse-width modulator (PWM), and five may 2.0 A, B software-compatible modules (MSCAN12) further expand the range of applications that may be achieved with this microcontroller. Its adaptability is further enhanced by two inter-IC bus blocks and a periodic interrupt timer.

Optimized Power Consumption and Performance

The MC9S12XD family has a Phase-Locked Loop (PLL) circuit, which provides a dynamic approach to power consumption and performance correction. Because of this adaptability, developers can fine-tune operational needs to meet the work at hand. The microcontroller, in particular, has a “fast exit from stop mode” capability that reduces system power usage.

Seamless Integration with External Memories

The MC9S12XD128F2MAL distinguishes itself with a non-multiplexed expanded bus interface, which is available in 144-pin versions. This design choice simplifies the process of interfacing with external memory, making it easier than ever to increase the storage capacity and capabilities of the microcontroller.

Harnessing I/O Ports for Enhanced Functionality

This microcontroller fully utilizes its I/O ports, providing up to 25 extra ports with interrupt functionality. This feature allows the microcontroller to be awakened from sleep or wait states, improving responsiveness and energy economy.

Versatile Packaging Options

The MC9S12XD family members are available in a variety of packaging configurations to meet the needs of varied projects. The 144-pin LQFP variant includes an external bus interface for connecting to external components. There are 112-pin LQFP and 80-pin QFP packages available without the external bus interface for more compact designs.


Finally, as a proud member of the MC9S12XD family, the MC9S12XD128F2MAL microcontroller ushers in a new age of embedded system development. Its improved S12 core, performance-boosting XGATE module, extensive on-chip peripherals, power efficiency optimizations, and flexible packaging options make it an unrivaled solution for engineers and developers looking to bring their unique ideas to life. The MC9S12XD128F2MAL promises to be a cornerstone of your success in automotive applications, industrial control systems, and beyond.

Engineers and designers hold the key to unlocking its full potential, and ICRFQ is your entry point to inexpensive access. As a distributor based in China, we are dedicated to helping you to take advantage of the ISO7741DWR’s transformative possibilities. Welcome to a world in which innovation and safety coexist smoothly.

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Kevin Chen