MAX9271GTJ+T Integrated Circuits (ICs)

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MAX9271GTJ+T is an advanced Universal Serial Peripheral Interface (USPI) protocol and timing transceiver suitable for mobile applications. The transceiver supports high-speed bi-directional data transfers without requiring external logic, as well as reduced I/O count design for compact applications. Furthermore, it supports bidirectional data transfer up to 10 Gbps, reduces system cost by eliminating the need for high-performance level-shifting and line termination components, and reduces overall power consumption. In this article, the application field and working principle of MAX9271GTJ+T will be discussed.

Application Field

MAX9271GTJ+T is an ideal solution for Multi Protocol Serial Link (MPSL), DisplayPort (DP), High-Definition Multimedia Interface (HDMI), Embedded DisplayPort (eDP), MIPI DSI and D-PHY, or UFS. This transceiver is also useful for bridging between different logic levels, allowing easy integration of mobile chipsets and peripherals with mobile devices. Therefore, it is highly suitable for applications involving mobile communications, consumer electronics, gaming systems, as well as automotive applications.

Working Principle

MAX9271GTJ+T is a dual-port transceiver that provides low-voltage, low-power, and flexible serial data transfer between host processing systems and USB, I2C, SPI, or legacy systems, such as PC/104 or PC/104-Plus. The transceiver supports data rates up to 10Gbps and is compliant with MIPI M-PHY and M-PHY/UFS, as well as other low-power, high-performance interfaces.

The transceiver consists of two independent ports, each with a transmitter and a receiver. The transmitter port is designed to transmit data from the master side to the slave side, while the receiver port receives data from the slave side and relays it to the master side. The two ports have both digital and analog signal paths, as well as clock and data recovery (CDR) circuitry, which helps reduce distortion and maintain data integrity.

The MIPI M-PHY or M-PHY/UFS ports operate in a frequency-division multiplexing (FDM) mode and provide data rates up to 10Gbps. The FDM mode allows for transmission and reception of multiple logical data streams, thereby allowing both high-speed and low-speed logical data traffic. The ports also support both unidirectional and bidirectional data transfers, as well as half-duplex and full-duplex operations.

The transceiver also supports source-synchronous timing of data transfers. This helps reduce noise on the clock and data signals, as well as reduce electromagnetic interference (EMI) on the bus. The source-synchronous timing allowed by the transceiver allows for improved data throughput and power savings, while also providing improved system performance.

The MAX9271GTJ+T transceiver also supports power-on reset (POR) and hot plugging. POR ensures that the internal logic of the transceiver is in a known state at power-on. Hot plugging allows for easy connection or disconnection of peripherals, such as USB devices and UFS flash storage, without shutdown or restart of the system.

Conclusion

MAX9271GTJ+T is a highly versatile and advanced transceiver suitable for mobile applications. The dual-port transceiver supports up to 10 Gbps bi-directional data transfers, as well as supports Multi Protocol Serial Link (MPSL), DisplayPort (DP), High-Definition Multimedia Interface (HDMI), Embedded DisplayPort (eDP), MIPI DSI and D-PHY, and UFS. The transceiver also supports source-synchronous timing and power-on reset, as well as hot plugging, making it highly suitable for a wide variety of applications.

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