CN218413274U - Signal processing device and signal processing converter thereof - Google Patents

Abstract

The utility model relates to a signal processing device and a signal processing converter thereof, wherein the signal processing converter comprises a signal input interface device and a signal conversion chip; the signal input interface device is provided with a plurality of input interfaces, and the plurality of input interfaces are used for receiving one or more input signals; the signal conversion chip is connected with the signal input interface device and used for receiving one or more input signals through the signal input interface device and converting the one or more input signals into signals of the mipi protocol; the signal conversion chip is used for being connected with the mainboard and outputting signals of the mipi protocol to the mainboard. The signal processing converter can reduce the number of the boards when the types of the signals are excessive, and improves the production efficiency.

Description

Signal processing device and signal processing converter thereof

Technical Field

The utility model relates to a signal processing technology field especially relates to a signal processing device and signal processing converter thereof.

Background

Currently, in order to display a signal, a developer needs to draw a board to demodulate a signal and display the signal, so that each signal needs to be kept in stock.

When the signal types of market demands are multiple, the stock preparation quantity increases geometrically, and in addition, each board in the early stage needs to perform a whole board verification function, so that the development time is prolonged, the cost is increased, meanwhile, the stock overstock is increased, the production time period cannot be accurately planned, and the efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a signal processing apparatus and a signal processing converter thereof, which can reduce the number of boards and improve the production efficiency when the number of signal types is too large.

A signal processing converter comprises a signal input interface device and a signal conversion chip;

the signal input interface device is provided with a plurality of input interfaces, and the plurality of input interfaces are used for receiving one or more input signals;

the signal conversion chip is connected with the signal input interface device and used for receiving the one or more input signals through the signal input interface device and converting the one or more input signals into signals of a mipi protocol;

the signal conversion chip is used for being connected with a mainboard and outputting the signal of the mipi protocol to the mainboard.

Preferably, the one or more input signals comprise one or more of an HDMI signal, an AHD signal, a TVI signal, an RGB signal, a CVBS signal.

Preferably, the one or more input signals comprise HDMI signals, and the signal conversion chip comprises an LT6911 model chip.

Preferably, the signal processing converter further comprises a power module, wherein the power module is connected with the signal conversion chip of the LT6911 model and is used for supplying power to the signal conversion chip of the LT6911 model.

Preferably, the power supply module comprises a power supply chip of a SY8832AIC model, the output end of the power supply chip of the SY8832AIC model is connected with the signal conversion chip of the LT6911 model, and the power supply input end of the power supply chip of the SY8832AIC model is used for connecting 5V voltage.

Preferably, the power module further comprises a capacitor, one end of the capacitor is grounded, and the other end of the capacitor is connected with an enable pin of the power chip of the SY8832AIC model.

Preferably, the power supply module further comprises a power supply chip of a BL8568 model, wherein an input end of the power supply chip of the BL8568 model is connected with an output end of the power supply chip of the SY8832AIC model, and an output end of the power supply chip of the BL8568 model is connected with the signal conversion chip of the LT6911 model.

A signal processing apparatus comprising the signal processing converter of any one of the above, and a main board;

and a signal conversion chip of the signal processing converter is connected with the mainboard and used for outputting the signal of the mipi protocol to the mainboard.

Preferably, the motherboard includes a UIS7862 model chip.

The signal processing device and the signal processing converter thereof; the signal processing converter comprises a signal input interface device and a signal conversion chip; the signal input interface device is provided with a plurality of input interfaces, and the plurality of input interfaces are used for receiving one or more input signals; the signal conversion chip is connected with the signal input interface device and used for receiving the one or more input signals through the signal input interface device and converting the one or more input signals into signals of a mipi protocol; the signal conversion chip is used for being connected with a mainboard and outputting the signal of the mipi protocol to the mainboard.

In summary, the signal processing converter can receive one or more input signals through the signal input interface device, and the signal conversion chip can convert the one or more input signals input by the signal input interface device into signals of the mipi protocol dedicated to the motherboard. Furthermore, the signal conversion chip is connected with the main board, so that the converted signal of the mipi protocol can be input into the main board, and the main board can perform signal display processing. Therefore, the signal conversion and the signal processing can be separated by the specially-made signal processing converter, namely, the main board and the signal processing converter are separated. For the motherboard, the function of the motherboard is mainly used for displaying signals of the mipi protocol, and the functions are successfully verified in the earlier development process. At this time, a signal processing converter is provided to demodulate various types of output signals and convert the signals into signals of the mipi protocol required by the main board. In the development process, the signal processing converter is only required to be set and processed, specifically, only a signal conversion chip is required to be set for a specific demodulation signal, a main board is not required to be changed, the number of boards can be reduced when the signal types are excessive, and the production efficiency is improved.

Drawings

Fig. 1 is a block diagram of a signal processing converter 20 according to an embodiment;

fig. 2 is a partial circuit diagram of the signal input interface 202 in one embodiment;

FIG. 3 is a circuit diagram of a signal conversion chip of model LT6911 in one embodiment;

FIG. 4 is a circuit diagram of a power chip of type SY8832AIC in one embodiment;

FIG. 5 is a circuit diagram of a BL8568 power chip in one embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following description of the present invention will be made in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model provides a signal processing converter 20, as shown in FIG. 1, a signal processing converter 20 includes signal input interface ware 202 and signal conversion chip 201. As shown in fig. 1, the signal input interface 202 is provided with a plurality of input interfaces for receiving one or more input signals; the signal conversion chip 201 is connected to the signal input interface 202, and is configured to receive the one or more input signals through the signal input interface 202 and convert the one or more input signals into signals of the mipi protocol. As shown in fig. 1, the signal conversion chip 201 is configured to be connected to a motherboard 10, and configured to output a signal of the mipi protocol to the motherboard 10. The signal conversion chip 201 is provided with a converter interface, the motherboard 10 is provided with a motherboard interface, and the signal conversion chip 201 is connected with the motherboard 10 through two interfaces.

In one embodiment, the one or more input signals comprise one or more of an HDMI signal, an AHD signal, a TVI signal, an RGB signal, a CVBS signal. The signal conversion chip corresponds to the HDMI signal, the AHD signal, the TVI signal, the RGB signal and the CVBS signal respectively. That is, when the signal input interface accesses the HDMI signal, the signal conversion chip is matched with the HDMI signal to convert the HDMI signal into a signal corresponding to the mipi protocol for use by the motherboard. Similarly, when the signal input interface device is accessed to the AHD signal, the signal conversion chip is matched with the AHD signal, and converts the AHD signal into a signal corresponding to the mipi protocol for use by the motherboard. And so on. Therefore, only the signal conversion chip is required to be adjusted according to the accessed signals, the signal input interface device is not required to be changed, the main board is not required to be changed, the number of the developed boards is reduced, and meanwhile, the efficiency of signal display development is improved.

In one example, the signal input interface unit 202 is shown in fig. 2. The signal input interface is interface J1. The input signal is an HDMI signal, and the signal conversion chip comprises an LT6911 chip. The LT6911 model signal conversion chip is shown in fig. 3. The chip of the LT6911 model can convert the HDMI signals input in the signal input interface device into signals corresponding to the mipi protocol for the mainboard to use. Therefore, when the display panel of the HDMI signal is arranged, the main board does not need to be changed, the signal conversion chip only needs to be configured into a chip of an LT6911 model, the HDMI signal is accessed through the interface device J1, the main board does not need to be independently configured for the HDMI signal, and the number of boards is reduced.

In one embodiment, as shown in fig. 1, the signal processing converter 20 further includes a power module 203, and the power module 203 is connected to the LT6911 model signal conversion chip 201 and is used for supplying power to the LT6911 model signal conversion chip 201.

In one example, the power module 203 comprises a power chip of a SY8832AIC model, an output end of the power chip of the SY8832AIC model is connected with the signal conversion chip of the LT6911 model, and a power input end of the power chip of the SY8832AIC model is used for connecting 5V voltage.

For example, a power chip of model SY8832AIC is shown in fig. 4. The power supply input end of the power supply chip with the SY8832AIC model is a 2-port, 5V voltage is connected to the 2-port of the power supply chip with the SY8832AIC model, and 3.3V voltage is output after the processing of the chip. The output end of the power supply chip with the SY8832AIC model is connected with the signal conversion chip with the LT6911 model in the following mode: as shown in FIG. 4, the output terminal of the power chip of SY8832AIC model includes VCC33-TX terminal and VCC33-RX1 terminal. As shown in FIG. 3, the voltage input terminal of the LT6911 signal conversion chip also comprises a VCC33-TX terminal and a VCC33-RX1 terminal. Through the connection of the power supply chip and the LT6911, the power supply chip of the SY8832AIC model provides 3.3V voltage for the signal conversion chip of the LT6911 model.

In one example, the power module 203 further includes a capacitor, one end of the capacitor is grounded, and the other end of the capacitor is connected to an enable pin of a power chip of the SY8832AIC model.

For example, as shown in fig. 4, the capacitance is a capacitance C74. The connection relationship between the capacitor C74 and a power chip of SY8832AIC type is shown in FIG. 4. Because the capacitor C74 is connected to the pin of the power chip with SY8832AIC model, the power supply can flexibly control the power-on time sequence to meet different power-on time of various chips, so as to meet the requirement of power-on of the chips.

In one embodiment, the power module 203 further comprises a power chip of a BL8568 model, an input end of the power chip of the BL8568 model is connected with an output end of the power chip of a SY8832AIC model, and an output end of the power chip of the BL8568 model is connected with the signal conversion chip of an LT6911 model.

For example, a power chip of model BL8568 is shown in FIG. 5. The input end of the power supply chip of the BL8568 model is connected with the output end of the power supply chip of the SY8832AIC model and used for receiving the voltage of 3.3V output by the power supply chip of the SY8832AIC model. As shown in fig. 5, the input terminal of the BL8568 power chip is pin 1. The output end of the BL8568 type power supply chip is connected with the LT6911 type signal conversion chip and used for providing 1.8V voltage for the LT6911 type signal conversion chip.

Therefore, 3.3v or 1.8v chips on the market can pass through, and the situation that a plurality of power supply combinations are required to be prepared before does not occur.

In one embodiment, the present invention further provides a signal processing apparatus, which includes the signal processing converter described in any one of the above, and a main board. As shown in detail in figure 1. And a signal conversion chip of the signal processing converter is connected with the mainboard and used for outputting the signal of the mipi protocol to the mainboard.

In one example, the motherboard includes a UIS7862 model chip.

The above-mentioned embodiments only represent several embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

1. A signal processing converter is characterized by comprising a signal input interface device and a signal conversion chip;

the signal input interface device is provided with a plurality of input interfaces, and the plurality of input interfaces are used for receiving one or more input signals;

the signal conversion chip is connected with the signal input interface device and used for receiving the one or more input signals through the signal input interface device and converting the one or more input signals into signals of a mipi protocol;

the signal conversion chip is used for being connected with a mainboard and outputting the signal of the mipi protocol to the mainboard.

2. The signal processing converter according to claim 1, wherein the one or more input signals comprise one or more of an HDMI signal, AHD signal, TVI signal, RGB signal, CVBS signal.

3. The signal processing converter according to claim 1, wherein the one or more input signals comprise HDMI signals, and the signal conversion chip comprises an LT6911 model chip.

4. The signal processing converter according to claim 3, further comprising a power module connected to the LT6911 model signal conversion chip for supplying power to the LT6911 model signal conversion chip.

5. The signal processing converter according to claim 4, wherein the power supply module comprises a power supply chip of type SY8832AIC, an output terminal of the power supply chip of type SY8832AIC is connected with the signal conversion chip of type LT6911, and a power supply input terminal of the power supply chip of type SY8832AIC is used for accessing 5V voltage.

6. The signal processing converter according to claim 5, wherein the power supply module further comprises a capacitor, one end of the capacitor is grounded, and the other end of the capacitor is connected with an enable pin of the SY8832AIC type power supply chip.

7. The signal processing converter according to claim 5, wherein said power supply module further comprises a power supply chip of type BL8568, an input terminal of said power supply chip of type BL8568 being connected to an output terminal of said power supply chip of type SY8832AIC, an output terminal of said power supply chip of type BL8568 being connected to said signal conversion chip of type LT 6911.

8. A signal processing apparatus, characterized in that the signal processing apparatus comprises the signal processing converter according to any one of claims 1 to 7, and a main board;

and a signal conversion chip of the signal processing converter is connected with the mainboard and used for outputting the signal of the mipi protocol to the mainboard.

9. The signal processing apparatus of claim 8, wherein the motherboard comprises a UIS7862 model chip.

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