MM912G634CV1AER2

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Applications:	Automotive
Core Processor:	S12
Program Memory Type:	FLASH (48 kB)
Controller Series:	HCS12
RAM Size:	2K x 8
Interface:	LIN, SCI
Number of I/O:	9
Voltage - Supply:	2.25 V ~ 5.25 V
Operating Temperature:	-40°C ~ 105°C
Mounting Type:	Surface Mount
Package / Case:	48-LQFP Exposed Pad
Supplier Device Package:	48-LQFP-EP (7x7)
Base Part Number:	MM912G634

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• Introduction

The MM912G634CV1AER2 is an advanced microcontroller which is particularly used in an embedded application. This microcontroller is tailored for several specific applications such as automotive, industrial, consumer, communications, and medical applications. With its highly optimized architecture and features, it can bring solutions to many specific industrial problems. This microcontroller also provides complete control solutions due to its many features.

• Architecture

The MM912G634CV1AER2 boasts an optimized architecture which is comprised of the following elements: central processing unit, clock, memory, digital I/O, analog input, analog output, and timer. The central processing unit is based on a 32-bit ARM architecture. This provides enhanced processing capabilities, particularly in terms of speed. Additionally, clock speeds range from 8- to 32-MHz, allowing for faster response times. Furthermore, MM912G634CV1AER2 also features various system memories such as flash ROM, SRAM, and data EEPROM. Besides the clock and memory, the MM912G634CV1AER2 offers eight channels of digital I/O. Utilizing various combinations, these channels can be configured to support many types of I/O. Furthermore, the microcontroller supports up to six 16-bit analog inputs. This is useful for acquiring data from external sensors and the like. Lastly, the timer feature allows applications to be performed on a precise timing basis.

• Features

The MM912G634CV1AER2 microcontroller offers several features that make it an apt choice for several industrial applications. It is capable of operating at temperatures ranging from -55°C to +125°C, enabling reliable performance in harsh conditions. In addition, it boasts low power consumption, with an operating current consumption of 12mA. Also included are built-in ESD-protection circuits, and an advanced power management unit which allows optimization during sleep states, thus reducing but device power consumption. The MM912G634CV1AER2 also boasts rich communication interface capabilities. Several of the microcontroller\'s I/O channels are multiplex to support various communication interfaces such as CAN, LIN, and I2C. This allows for reliable communication data transfer between economic nodes. Other useful features include integrated peripherals such as serial communications channels (SCI) and PLL which allow connection to additional external devices.

• Application Field and Working Principle

The MM912G634CV1AER2 is particularly suitable for applications with harsh environmental conditions, such as in automotive, industrial, consumer, communications, and medical applications. Motors and sensors used in these applications require accurate acquisitions of signals and precise regulation of output signals. Therefore, this microcontroller\'s rich set of features, such as its low-power feature, wide temperature range, ESD protection circuits, communication interfaces, integrated peripherals, and timer make it well-suited for such applications. The working principle of the MM912G634CV1AER2 can be simplified as follows. The central processing unit interprets instructions stored in the flash ROM and accordingly alters its internal state or sends out signals through its I/O peripherals such as the timer and SCI channels. The integrated analog-to-digital converter allows for precise acquisition of external analog signals and it can be regulated through the analog output. Furthermore, the communication interface allows for reliable data transfer between nodes.

• Conclusion

The MM912G634CV1AER2 is an advanced microcontroller which is particularly suitable for its application field in embedded systems. Its highly optimized architecture and features make it an ideal choice for automative, industrial, consumer, communications, and medical applications. The various system memories, integrated peripherals, communication interface, analog inputs and outputs, and timer offer complete control solutions for demanding industrial applications. With its wide temperature range, low power consumption, ESD-protection circuits, and integrated peripherals, it can easily meet the requirements of even the most complex applications.

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