MM908E621ACDWB

MM908E621ACDWB

The MM908E621ACDWB is a controller from Freescale Semiconductor\'s 32-bit HCS12X family. It features an embedded microcontroller unit (MCU) with enhanced computation performance to provide an optimal solution for higher performance and application specific requirements. The MCU uses a 32-bit enhanced HCS12X architecture that includes a dedicated low-power programming system, memory protection and WDT/WDTE feature.

The MM908E621ACDWB is a powerful, flexible controller device specifically suited for many applications. It boasts a variety of functions such as 12-bit analog-to-digital conversion, 40-bit arithmetic calculation unit, smart-card reader, on-chip communication, 8 PWM outputs, Capture/Compare, on-board EEPROM, oscillator flexibility and integrated hardware-based EMOP runtime. In addition, the device features scalability, allowing customers to optimize their designs for various applications needs as performance characteristics, measurement requirements and cost/performance tradeoffs change.

MM908E621ACDWB Working Principle

The MM908E621ACDWB adopts an innovative architecture which consists of a core processor, secured memory space and fast cycling bus. The advanced instruction set and integrated peripherals support high performance and flexibility.

The core processor is a 32-bit HCS12X enhanced multicore architecture. It includes four 16-bit accumulators, four 16-bit address registers and four 16-bit data registers. The data registers allow the processor to access data in memory without the need of accessing another memory space. The wide range of instruction set enables it to effectively execute communication, signal calculations, control and peripheral operations.

The secured memory space includes a 256K byte of on-chip flash memory and 4K byte of on-chip RAM, which is sufficient to provide the necessary resources required by most applications. Moreover, the large on-chip flash also increases the endurance and reliability of the device.

The fast cycling bus enables the MCU to access memory efficiently and quickly. Moreover, it can also provide an interrupt mechanism for external devices, allowing the MCU to respond to external events quickly and accurately.

MM908E621ACDWB Application Field

The MM908E621ACDWB can be used in many application fields such as automotive, industrial, consumer, office and home appliances, medical, LED lighting control systems and computer peripherals.

• Automotive: The MM908E621ACDWB can be used in automotive control systems to improve efficiency and power consumption.
• Industrial: The MM908E621ACDWB can be used in industrial applications to remotely monitor, control and diagnose industrial systems.
• Consumer: The MM908E621ACDWB can be used in consumer products such as digital cameras, digital video recorders and hand-held gaming devices.
• Office and Home Appliances: The MM908E621ACDWB can be used in office systems such as printers, copiers, fax machines and multifunctional devices.
• Medical: The MM908E621ACDWB can be used in medical instruments and equipment, especially in the analysis and diagnosis of human body functions.
• LED Lighting Control Systems: The MM908E621ACDWB can be used in LED lighting control systems to control the intensity, color and other parameters of the LEDs.
• Computer Peripherals: The MM908E621ACDWB can be used in computer peripherals such as keyboards, mouse, and printer to interact with the host computer.

The MM908E621ACDWB boasts higher processing speed, scalability and rich peripherals, which make it an ideal choice for high performance applications.