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A controllable potential configuration device and electronic product

A technology for configuring devices and potentials, which is applied to electronic switches, electrical components, pulse technology, etc., and can solve problems such as inconvenient operation

Active Publication Date: 2017-04-19
QINGDAO GOERTEK
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a controllable potential configuration device and electronic products. The technical solution provided by the invention can solve the problem that the existing chip potential control circuit needs to toggle the switch every time the potential is changed, and the operation is not convenient enough

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  • A controllable potential configuration device and electronic product

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] figure 1 It is a schematic structural diagram of a controllable potential configuration device in an embodiment of the present invention. Such as figure 1 As shown, the device includes:

[0027] switch SW1, first resistor R1, second resistor R2, third resistor R3, first OR gate U1 and second OR gate U2;

[0028] The first input end of the first OR gate U1 is connected to the output end of the second OR gate U2; the second input end of the first OR gate U1 is connected to one end of the switch SW1.

[0029] The first input end of the second OR gate U2 is connected with the output end of the first OR gate U1, the second input end of the second OR gate U2 is the control signal input end P2; the output end of the second OR gate U...

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Abstract

The invention discloses a controllable potential configuration device and an electronic product. The device comprises a switch, a first resistor, a second resistor, a third resistor, a first joint gate or a second joint gate, wherein the first input end of the first joint gate is connected with the output end of the second joint gate, and the second input end of the first joint gate is connected one end of the switch; the first input end of the second joint gate is connected with the output end of the first joint gate, and the second input end is a control signal input end; the output end of the second joint gate is a potential signal output end; one end of the first resistor is connected with the supply voltage of a system, and the other end of the first resistor is connected with one end of the switch, and the other end of the switch is grounded; one end of the second resistor is grounded, and the other end of the second resistor is connected with the output end of the second joint gate; and one end of the third resistor is grounded, and the other end of the third resistor is connected with the second input end of the second supply voltage. According to the technical scheme provided by the invention, the problems that an existing chip potential control circuit is inconvenient to operate due to the fact the existing chip potential control circuit is needed to be turned on or off when the potential is changed every time can be solved.

Description

technical field [0001] The invention relates to the technical field of electronic products, in particular to a controllable potential configuration device and electronic products. Background technique [0002] The traditional chip potential configuration circuit is a circuit composed of a single-pole switch, a pull-up resistor and a pull-down resistor to configure the voltage level. Such a circuit can only simply output a high and low potential to the chip, and is not controlled by the chip software. Therefore, in the existing chip potential configuration circuit, a toggle switch is required every time the chip potential is changed. [0003] Moreover, since the potential configuration circuits of the chip are all arranged on the motherboard chip, the chips are all packaged inside the shell. In the process of configuring the potential of the chip, it is necessary to toggle the switch every time, which not only affects the service life of the switch itself, but also has the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03K17/94
Inventor 李树鹏杜洋
Owner QINGDAO GOERTEK
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