DS1487MX

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The DS1487mx is a fully programmable RS485 transceiver, primarily used with microcontroller or single board computer systems. It is a low power, low cost, high performance integrated transceiver component, which is specially designed to meet the needs of long-distance applications. The DS1487mx is capable of working with circuits up to 100Kbps and is compliant with the industry-standard RS485 protocol. It can be used in a variety of industrial and automotive applications such as automation systems, industrial machinery and vehicle to vehicle communication.

The DS1487mx provides full control of both data transmission and signal reception on power-down, power-on, and all intermediate signal levels. It also has a built-in 1-Kb EEPROM (electrically erasable programmable read only memory), which can store application-specific settings and configurations. This means the DS1487mx can be programmed for specific power-up conditions and digital output / input signals.

The main application field of the DS1487mx is the development of embedded systems and data communication systems. It can be used to transfer data between different devices with a serial interface, such as microcontrollers, single board computers and other controllers. The DS1487mx can also connect such devices to a master station or PC with a serial port. It is suitable for different transfer protocols such as asynchronous, synchronous and half-duplex. It is especially suitable for point to point communications.

The working principle of the DS1487mx is based on the RS485 protocol, which is the standard for communication between two or more devices. The protocol defines a physical layer and a data link layer. On the physical layer, the RS485 protocol uses differential signals, which are transmitted over two conductors. The differential signals allow the receiver to accurately detect the information from the transmitter without being influenced by external noise. On the data link layer, the RS485 protocol uses asynchronous serial communication. Asynchronous communication is preferred for point-to-point communications, because it allows one device to send data without the need to wait for an acknowledgement from the other device. This makes the communication more efficient, especially over long distances.

In addition, the DS1487mx supports different reference voltages, including -12V/+12V, -5V/5V, 3.3V and 0V. It also allows for up to 16 different addresses. This means it can connect up to 16 different transceiver units to the same bus. Additionally, the DS1487mx has a fail-safe function, which ensures that the transceiver will switch the transmission and reception ports when the power supply is lost. This ensures that data is not lost during the system power down state.

Overall, the DS1487mx is an ideal integrated transceiver for industrial and automotive applications, particularly those using the RS485 protocol. The DS1487mx is ideal for applications such as automation systems, industrial machinery and vehicle to vehicle communication. It offers low power, low cost and high performance integrated transceiver with built-in 1-Kb EEPROM, multiple power supply voltage options, and up to 16 addressable receivers. It is also capable of working with circuits up to 100Kbps and supports asynchronous, synchronous and half-duplex transfer protocols. Additionally, the DS1487mx has a fail-safe function, which ensures reliability and data transmission during power down conditions.

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