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multi-function input terminal

A multi-functional input and terminal technology, applied in transportation and packaging, liquid/fluid solid measurement, electric vehicles, etc.

Active Publication Date: 2016-04-20
ACTIVE SEMI SHANGHAI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] As stated above, USB port 7 may only be capable of supplying 100mA of supply current, or may be capable of supplying 500mA of supply current

Method used

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Experimental program
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Embodiment Construction

[0025] The "component" referred to in the present invention refers to a component or circuit that has a certain function or can realize a certain function, such as specifically referring to the circuit 200 in the following embodiments ( Figure 8 )wait. In addition, the "power supply voltage terminal" referred to in the present invention refers to the input voltage terminal 205 ( Figure 8 ), the "digital logic circuit" referred to in the present invention refers to the inverter 209 in this embodiment ( Figure 8 ), the "second digital logic circuit" referred to in the present invention refers to the inverter 211 in this embodiment ( Figure 8 ), the "digital decoding circuit" referred to in the present invention refers to the digital decoder 217 in this embodiment ( Figure 8 ), the "programmable current source" referred to in the present invention refers to the current source circuit 219 in this embodiment ( Figure 8 ). The above corresponding relationship is only for fur...

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Abstract

The invention discloses a multifunctional input terminal and a method. An integrated circuit can be set to be in a state Q0, a state Q1 or a state Q2 by the single terminal. A circuit of the integrated circuit is connected to the terminal and determines whether the terminal is connected at a low position through an external connector or not, whether the terminal is connected at a high position through the external connector or not, or whether the terminal is suspended or suspended basically. If the terminal is determined to be suspended or suspended basically, then part of running characteristics of the circuit is set to have a value (for example, the maximum current IBATT of the circuit for charging batteries is set), the value is an external resistance connected to the terminal and is determined by a set function value, and accordingly users of the integrated circuit can set the value of the running characteristics as needed by selecting a moderate external resistance. If the external resistance does not exist, the terminal is suspended, and the running characteristic of the circuit is set to be null. In typical application, the null indicates a stop state of the circuit.

Description

[0001] This application is derived from the original application number 200810034084.5 submitted on February 29, 2008, and the name is multi-functional input terminal and method. At the same time, this application claims to enjoy the rights and interests of the Chinese patent application No. 200810034084.5 submitted on February 29, 2008, the entire content of which is hereby incorporated as a reference. technical field [0002] The invention relates to a terminal related to an integrated circuit, which is used to receive configuration information and configure circuits on the integrated circuit, in particular to a multifunctional input terminal and method. Background technique [0003] figure 1 (Prior Art) is a block diagram of a USB device 1 (in this example, a mobile phone) connected to a USB host 3 (in this example, a personal computer) via a USB cable 2 . The USB host 3 includes a USB circuit 4 . The USB device 1 includes a USB circuit 5 . The USB cable 2 has a standa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00G06F1/26
Inventor 贺凯瑞龚大伟理查德·格雷
Owner ACTIVE SEMI SHANGHAI