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DS90UB948TNKDRQ1 Detailed explanation of pin function specifications and circuit principle instructions

The part number you mentioned, "DS90UB948TNKDRQ1," is part of Texas Instruments (TI) products. This is a Deserialization device in the DS90UB948 series, specifically designed for high-speed data transmission in various industrial applications.

Packaging:

The DS90UB948TNKDRQ1 comes in a TQFP-48 package, which has 48 pins in total.

Pin Function Description:

Here's a detailed pinout table based on the typical pinout configuration of the DS90UB948 chip. The pins in this package can have functions ranging from data input/output, Power , ground, Clock , and other control functions.

Pin No. Pin Name Pin Type Description 1 VDDIO Power Supply Power supply for logic I/O 2 GND Ground Ground pin for the device 3 GND Ground Ground pin for the device 4 REF_CLK Input Clock Reference clock input for the device 5 SER_CLK Input Clock Serializer clock for high-speed operation 6 I2C_SCL I2C Clock I2C clock pin for communication 7 I2C_SDA I2C Data I2C data pin for communication 8 NC No Connection Not connected to anything internally 9 DOUT0 Data Output Serial data output pin 0 10 DOUT1 Data Output Serial data output pin 1 11 DOUT2 Data Output Serial data output pin 2 12 DOUT3 Data Output Serial data output pin 3 13 DOUT4 Data Output Serial data output pin 4 14 DOUT5 Data Output Serial data output pin 5 15 DOUT6 Data Output Serial data output pin 6 16 DOUT7 Data Output Serial data output pin 7 17 DOUT8 Data Output Serial data output pin 8 18 DOUT9 Data Output Serial data output pin 9 19 NC No Connection Not connected to anything internally 20 NC No Connection Not connected to anything internally 21 RESET Reset Input Active low reset input for the chip 22 RX_CLK Receive Clock Clock used for data reception 23 RX0 Data Receive Data input pin 0 24 RX1 Data Receive Data input pin 1 25 RX2 Data Receive Data input pin 2 26 RX3 Data Receive Data input pin 3 27 RX4 Data Receive Data input pin 4 28 RX5 Data Receive Data input pin 5 29 RX6 Data Receive Data input pin 6 30 RX7 Data Receive Data input pin 7 31 RX8 Data Receive Data input pin 8 32 RX9 Data Receive Data input pin 9 33 NC No Connection Not connected to anything internally 34 NC No Connection Not connected to anything internally 35 GND Ground Ground pin for the device 36 GND Ground Ground pin for the device 37 VDD Power Supply Power supply for core logic 38 VDD Power Supply Power supply for core logic 39 EN Enable Input Enable signal for the device 40 PCLK Pixel Clock Clock for the video interface 41 PDATA0 Parallel Data Parallel data input pin 0 42 PDATA1 Parallel Data Parallel data input pin 1 43 PDATA2 Parallel Data Parallel data input pin 2 44 PDATA3 Parallel Data Parallel data input pin 3 45 PDATA4 Parallel Data Parallel data input pin 4 46 PDATA5 Parallel Data Parallel data input pin 5 47 PDATA6 Parallel Data Parallel data input pin 6 48 PDATA7 Parallel Data Parallel data input pin 7

Pin Function List

The functions above represent the typical connections of the DS90UB948TNKDRQ1 device for use in video and high-speed data transmission applications. Each pin serves a critical role in ensuring the proper functioning of the device in serial to parallel conversion, or other serializer/deserializer functions.

20 Common FAQs:

1. What is the purpose of the REF_CLK pin in the DS90UB948TNKDRQ1?

The REF_CLK pin is used to provide a reference clock signal to synchronize the serializer and deserializer devices in the system.

2. What is the role of the RESET pin?

The RESET pin is used to reset the device, bringing it back to a known state when activated low.

3. Can I use the I2C interface with this device?

Yes, the DS90UB948TNKDRQ1 supports I2C communication using the I2CSCL and I2CSDA pins.

4. What is the function of the data output pins (DOUT0 - DOUT9)?

These pins are used to output the deserialized data received from the serializer.

5. What is the power supply voltage for this device?

The VDD pin supplies the core logic, while VDDIO powers the I/O interface. The device typically operates at 3.3V.

6. Is this device suitable for high-speed data transmission?

Yes, the DS90UB948TNKDRQ1 is designed for high-speed serial data transmission.

7. How does the clocking system work in the DS90UB948TNKDRQ1?

The device uses REFCLK for synchronization, and it operates with a high-speed clock (SERCLK) for data transmission.

8. What is the purpose of the GND pins?

The GND pins are used to provide a common ground reference for the device.

9. Does the DS90UB948TNKDRQ1 support video signals?

Yes, it supports parallel video signals via pins PDATA0-PDATA7 and PCLK.

10. Can I use the DS90UB948TNKDRQ1 in a system with multiple deserializers?

Yes, the device can be used in multi-channel systems with multiple serializers and deserializers.

11. What is the significance of the RX pins (RX0 - RX9)?

These pins are used for receiving data from the serializer, and they correspond to the data input.

12. Can I use this device for industrial applications?

Yes, this device is suitable for industrial applications requiring high-speed data transmission and deserialization.

13. Is it possible to interface the DS90UB948TNKDRQ1 with a microcontroller?

Yes, the I2C interface allows communication with a microcontroller for configuration and control.

14. How many pins does the DS90UB948TNKDRQ1 have?

The DS90UB948TNKDRQ1 comes in a 48-pin TQFP package.

15. What is the voltage requirement for the VDD pin?

The VDD pin typically requires 3.3V for proper operation.

16. How can I use the EN pin?

The EN pin is used to enable or disable the device based on the signal applied.

17. What are the use cases for the DS90UB948TNKDRQ1?

This device is primarily used in automotive, industrial, and video data transmission systems.

18. How do I integrate the DS90UB948TNKDRQ1 into a larger system?

It is integrated by connecting serializer and deserializer components, along with proper clocking and data lines.

19. Can the device support bidirectional communication?

No, the DS90UB948TNKDRQ1 is designed for unidirectional data transmission.

20. Is the DS90UB948TNKDRQ1 compliant with any standards?

Yes, it complies with various industry standards for high-speed serial data transmission.

Let me know if you need more details or clarifications!