PCA9539D,112

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PCA9539D,112 is an interface, I/O expander that is typically used in embedded system applications. It is typically used in applications such as data logging, consumer electronics, industrial control and medical applications. The PCA9539D,112 uses an Industry Standard 8051 microcontroller, the 16-bit Arm Cortex-M0+ core, for its full product architecture.

The PCA9539D,112 utilizes all the basic I/O ports and general purpose lines. All that is necessary is to situate the PORTs and FIONs as needed by the application. This includes the exposing of the PORTs and FIONs to 8051 memory space, thus making them available to interact with peripherals. The FIONs can be programmed as I/O, Event Sense, Timer, or Counter type functions.

The PCA9539D,112 offers two types of Internal data bus, General Purpose I/O (GPIO) and Universal Platform Interface (UPI). UPI is used for controlling the external devices, for example for memory interfacing. The GPIO allows to access the external devices directly via connected GPIO device. Additionally, the PCA9539D,112 supports a variety of protocols and a vast range of power requirements. This expansion board carries all the necessary I/O pins and is designed to be used with a vast array of peripheral devices.

In addition to the standard ports and FIONs, the PCA9539D,112 comes with an embedded UART communications port. This can be used to communicate with external devices over communication ports like RS-232, RS-485 and Ethernet. This allows the PCA9539D,112 to be used with a variety of communication formats, making it an ideal device for use with both industrial and commercial applications. The UART also supports high speed communication, as well as low speed versions.

The PCA9539D,112 can also be used with a variety of other interfaces, such as I2C, SPI, PCMCIA and Serial Peripheral Interface (SPI). This allows it to be used in a variety of industries, such as medical, automotive and telecommunications. Additionally, its integrated 8051 processor can be programmed to perform a variety of control functions.

The PCA9539D,112 is designed for industrial applications and provides a reliable, low power solution for data logging and control tasks. The device allows for the expansion of I/O ports and FIONs, making it a valuable tool for controlling the external devices. With the use of the embedded UART communication port the PCA9539D,112 can be incorporated into a variety of communication interfaces, making it a versatile device suitable for a wide range of applications.

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