W83677HG-I TR

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The W83677HG-I TR is an integrated super I/O (input/output) controller that provides basic legacy peripheral interfaces to the system board. It is designed to provide x86-compatible input/output solutions for embedded applications in the industrial, automotive and communications markets. The device integrates four I/O ports, two UARTs (Universal Asynchronous Receiver/Transmitter), an ECC (Error Checking and Correction), a thermal monitoring and actuation unit, and other functions. The device also provides support for LPC 1.1 (Low Pin Count) bus operations.

The W83677HG-I TR is used in a variety of applications and systems, including embedded industrial controllers, automotive infotainment systems, and embedded communications systems. It is particularly useful for embedded systems that require legacy I/O support coupled with contemporary peripheral support. The device’s UARTs, supported data rates, and IEEE 1284 Parallel Port are ideal for interfacing with embedded systems requiring serial and parallel data transceivers.

The thermal management features of the W83677HG-I TR enable thermal monitoring with up to three temperature sensors and resolution faster than 1 degree Centigrade. The device also provides the ability to shut down the system if temperature exceeds the programmed maximum. This feature is ideal for systems in an automotive environment, where environmental temperature can exceed acceptable thresholds.

The Error Checking and Correction (ECC) hardware provides an extra layer of transaction security over standard I/O communication routines, ensuring data integrity. The device’s ECC hardware registers the number and position of each bit in the data stream and can detect and correct single-bit errors and detect double-bit errors. The ECC feature is useful for critical data transfers from on-board sensors and devices that can be affected by video or audio noise.

The W83677HG-I TR also supports a variety of power management schemes. It can support ACPI suspend and hibernate modes, as well as various other power management features such as lowering CPU core and system bus frequencies when the system is in idle or low-power state. This feature is particularly useful in notebooks, providing extended battery life.

The W83677HG-I TR utilizes a multifunctional peripheral bus to communicate with other on-board devices. It consists of I2C, SPI and SMBus serial bus architectures that allow for communication with battery monitors, fan controllers, temperature sensors, and other devices. This multifunctional bus also enables intelligent control of system operating conditions, allowing for intelligent thermal throttling, improved performance, and conserved power.

To ensure reliable operation, the W83677HG-I TR features an integrated watchdog timer that will reset the entire system if the processor fails to respond. This feature can be combined with other reset sources, such as an external reset button, to ensure that the system can respond properly in the event of a problem. The device also supports automatic waking from sleep and hibernation states.

The W83677HG-I TR is an ideal device for embedded applications requiring a combination of legacy support, modern peripheral support, robust power management, and reliable communication with other devices. It is easy to integrate into system designs, requiring minimal external components. With its advanced features and reliable performance, the W83677HG-I TR is an ideal choice for embedded applications requiring I/O communication, power management, and thermal management.

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