AS1157-T

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AS1157-T is an interface that includes drivers, receivers, and transceivers. It is a modern high-performance, high-bandwidth interface, designed for mission-critical applications. As a universal interface, it offers various applications in automotive, industrial, medical, and commercial applications.

The AS1157-T interface is a simple and low pin count bidirectional interface, designed for multi-master as well as single-master applications. The interface consists of a driver, a receiver and a transceiver. With its small form factor, it allows for flexible application design, and improved integration, while saving critical board space.

The AS1157-T provides two separate channels for transmit and receive, connected with a single differential pair. The Bidirectional Interface includes a transmitting state machine and a receiver state machine. It provides a wide range of options to control baud rate and data length, with up to 10-bit data length, and up to 8 Mbps transfer rate.

The receivers offer improved immunity to EMI, with faster transition times for reduced edge noise. The transmitters deliver wide voltage compliance to improve performance across different automotive application worst case scenarios. The bidirectional interface offers programmable channel mode as well as an external reset feature, which enables fail-safe operation.

The AS1157-T bidirectional interface includes its own clock generator and clock offset pre-scaler, which allows independent clock rate selection. It also offers synchronization with an external clock. With the auto termination feature, the interface can automatically detect if the other side is active or not.

The AS1157-T transmitter channels provide programmability for preamble and data length, as well as adjustable bit rate division ratios. The technology includes adaptive jitter attenuation, which ensures that the transmission bit rate stays within tight jitter requirements to achieve a stable bidirectional communication. The receivers offer advanced signal decoding which covers fast transition times, and simultaneous sampling of two or more bits at the same time.

The AS1157-T bidirectional interface is housed in a low-power, low-voltage QFN package, designed for robustness and long-term durability. With its universal application, it provides good performance even in harsh environments. It also integrates several low-speed features such as a low-power mode, several wakeup features and a programmable watchdog for improved system performance.

In conclusion, the AS1157-T bidirectional interface is an ideal choice for mission-critical applications, offering multiple advantages over other interfaces. It is an extremely reliable, low pin-count, low-power interface with advanced signal processing, and a wide range of programmable options to customize transmission properties and achieve optimal performance.

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