DS90UB934TRGZRQ1 Detailed explanation of pin function specifications and circuit principle instructions

The component DS90UB934TRGZRQ1 is a Texas Instruments (TI) product. Specifically, it is a serializer/deserializer device used in high-speed data transmission applications such as video, automotive, and industrial systems. This device allows for the transmission of high-speed data over a differential signaling link.

Detailed Pin Function Specifications and Circuit Principle

The DS90UB934TRGZRQ1 is packaged in a QFN-48 (Quad Flat No-lead) package, meaning it has 48 pins. Below is the detailed description of each pin function, as well as the corresponding pin configuration. The device is typically used to facilitate serial data transmission from high-speed sources to receivers.

Pin Function Description:

Pin Number Pin Name Function Description 1 VDD_IO Power Supply for I/O Pins 2 GND_IO Ground for I/O Pins 3 TXP Positive Transmission Data Pin 4 TXN Negative Transmission Data Pin 5 RXP Positive Reception Data Pin 6 RXN Negative Reception Data Pin 7 VDD Main Power Supply for the Device 8 GND Ground for the Device 9 RESET Reset Input for the Device 10 SCL Serial Clock Line for I2C interface 11 SDA Serial Data Line for I2C Interface 12 MCLK Master Clock Input Pin 13 HS_CLK High-Speed Clock Input 14 HS_DATA High-Speed Data Output Pin 15 OUT_EN Output Enable Pin 16 I2C_ADDR I2C Slave Address Pin 17 AVDD Analog Power Supply for the Device 18 AVSS Analog Ground for the Device 19 PLL_LOCK PLL Lock Status Indicator 20 FPD-Link Interface for FPD-Link III Communication 21 SYNC_IN Input Synchronization Signal 22 SYNC_OUT Output Synchronization Signal 23 VOUT Video Output Pin 24 VIN Video Input Pin 25 VDOUT Digital Video Output 26 VDIN Digital Video Input 27 GND_ANALOG Ground for Analog Section 28 GND_VDDIO Ground for VDD_IO Pin 29 VDD_AVDD Power Supply for Analog Section 30 TX_EN Transmission Enable Pin 31 VDD_PLL Power Supply for PLL Circuitry 32 GND_PLL Ground for PLL Circuitry 33 STBY Standby Mode Control Pin 34 VDD_IO2 Second I/O Power Pin for Certain Operations 35 VSS Ground for Additional Operations 36 RST2 Secondary Reset Pin 37 PWDN Power Down Control Pin 38 SLEEP Sleep Mode Control Pin 39 DOUT Data Output Pin 40 DIN Data Input Pin 41 VSS2 Second Ground Pin for Enhanced Power Integrity 42 CLK_OUT Clock Output Pin 43 VDD2 Secondary Power Supply Pin 44 PLL_EN PLL Enable Pin 45 OUT_DN Output Differential Negative Pin 46 OUT_DP Output Differential Positive Pin 47 TX_VSS Transmission Ground Pin 48 VDD_OUT Power Supply for Output Circuitry

FAQ (Frequently Asked Questions)

What is the main application of the DS90UB934TRGZRQ1? The DS90UB934TRGZRQ1 is primarily used for high-speed data transmission, especially in automotive, industrial, and video systems where reliable serial communication is required.

What does the TXP and TXN pin do? TXP (positive) and TXN (negative) are used for the transmission of data signals. These pins are part of the high-speed differential data link between the transmitter and receiver.

How does the reset functionality work in DS90UB934TRGZRQ1? The RESET pin is used to initialize the device or bring it to a known state. When activated, it resets the internal circuitry of the device.

What is the role of the MCLK pin? MCLK is used to provide the master clock input, essential for the device’s timing and synchronization.

How is the device powered? The DS90UB934TRGZRQ1 requires multiple power pins such as VDD (main power), VDD_IO (I/O power), and AVDD (analog power) to operate the device.

What is the purpose of the I2C interface (SCL and SDA pins)? The SCL and SDA pins are used for serial communication to configure and control the device via an I2C interface.

How can I check if the PLL is locked? The PLL_LOCK pin indicates whether the phase-locked loop (PLL) is properly synchronized and locked.

Can the device be placed in a low-power state? Yes, the device features a SLEEP mode controlled via the SLEEP pin, which reduces power consumption when the device is not in active use.

What is the function of the SYNCIN and SYNCOUT pins? These pins are used for synchronization of the device’s operation with other connected devices, enabling coordinated data transmission.

How is the high-speed data output managed? The HS_DATA pin handles the high-speed data output, which is essential for transmitting video and other high-bandwidth signals.

What is the role of the FPD-Link in this device? FPD-Link is a high-speed serial link used for communication between the serializer and deserializer, providing efficient data transfer for video signals.

How does the TXEN pin function? TXEN is the transmission enable pin, which controls whether the device will actively transmit data.

What does the PLLEN pin do? The PLLEN pin enables the phase-locked loop (PLL), which is necessary for synchronizing data and clock signals.

What is the function of the VDDPLL pin? The VDDPLL pin provides power to the PLL section of the device, ensuring stable operation for timing signals.

Can the device be used for video applications? Yes, the DS90UB934TRGZRQ1 is ideal for video applications, handling both analog and digital video signals efficiently.

How do I activate standby mode? The STBY pin is used to place the device in a low-power standby mode, useful for conserving energy when the device is not in active use.

What does the PWDN pin do? The PWDN pin controls the power-down mode, which completely shuts down the device when not needed.

Can the device handle both analog and digital signals? Yes, the DS90UB934TRGZRQ1 supports both analog and digital signal processing, making it versatile for a range of applications.

What is the output differential signal configuration? The OUTDN (differential negative) and OUTDP (differential positive) pins are used for the output of differential signals, which are essential for high-speed data transmission.

How is clock synchronization handled in the device? The HS_CLK pin is used to provide a high-speed clock input to synchronize the transmission and reception of data.

The DS90UB934TRGZRQ1 is a highly integrated serializer/deserializer device with multiple pins for different functionalities that enable reliable, high-speed data communication. Its wide range of applications includes automotive, video systems, and industrial uses, where signal integrity and efficient data transmission are critical.