CMQ82C55AZ

Series:	--
Packaging:	Bulk
Part Status:	Active
Number of I/O:	24
Interface:	Parallel
Interrupt Output:	No
Features:	--
Output Type:	Open Drain
Current - Output Source/Sink:	2.5mA
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	0°C ~ 70°C
Mounting Type:	Surface Mount
Package / Case:	44-QFP
Supplier Device Package:	44-MQFP (10x10)
Base Part Number:	82C55A

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CMQ82C55AZ Interface - I/O Expanders Application Field and Working Principle

The CMQ82C55AZ interface - I/O expander is a microcontroller designed to expand and control the input/output (I/O) capabilities of a host system. This type of device is used in many different applications, including industrial automation, automotive and automotive systems, robotics and instrumentation, and medical imaging. Furthermore, it is also used in embedded controllers for embedded systems, medical devices, and power supplies.The main purpose of the CMQ82C55AZ is to expand I/O capabilities by connecting to various external networks or signal sources. For example, it can be used to expand the number of input ports of a control system, to provide additional digital I/O signals and control of a variety of external peripherals or devices such as sensors, indicators, and actuators. The CMQ82C55AZ can also be used in conjunction with an Application Specific Integrated Circuit (ASIC) or system-on-chip (SoC) to provide a complete I/O system. This versatile device also has an on-board programmable logic array (PLA) for additional customization.In addition, the CMQ82C55AZ offers enhanced communication features with Serial Peripheral Interface (SPI) bus, Inter-Integrated Circuit (I2C) bus, and parallel communication. Furthermore, the device can be interfaced with a variety of bus structures, such as a Local Interconnect Network (LIN).The CMQ82C55AZ works on the principle of virtual I/O (VIO). VIO is a concept that allows user application code to map physical I/O pins and ports to virtual addresses in the address space of the I/O device. This method has the benefit of allowing the user to control the I/O pins and ports with simple instructions. As a result, the application becomes much simpler and easier to maintain. The CMQ82C55AZ also includes advanced security features such as AES 256-bit data encryption and secure boot. This makes the device ideal for use in applications where secure data transfer or storage is a requirement. The expansive I/O capabilities of the CMQ82C55AZ and its advanced security offer great potential for various commercial and industrial applications. With a vast range of I/O pins, the device can easily be interfaced with many different technologies and networks. Additionally, its security features make it suitable for use in applications where the potential for data corruption or theft must be minimized. Finally, the versatility of the CMQ82C55AZ allows it to be used in a variety of environments. It is an ideal solution for applications that require a wide range of I/O ports and secure data transfer. Furthermore, it provides a cost-effective solution to many types of embedded and industrial I/O applications.

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