CONTROL CIRCUIT AND CONTROL METHOD FOR INTER-INTEGRATED CIRCUIT BUS

CONTROL CIRCUIT AND CONTROL METHOD FOR INTER-INTEGRATED CIRCUIT BUS

The present invention relates to a control circuit and control method for an I2C bus. The circuit comprises: an I2C master device and a plurality of I2C device groups. An I2C device group comprises an I2C drive device and a plurality of I2C slave devices. An I2C interface of the I2C master device is...

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Hauptverfasser: LUO, SI, YAO, ZHIQIANG, ZHAN, YUEXIANG
Format: Patent
Sprache:chi ; eng ; fre
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator LUO, SI
YAO, ZHIQIANG
ZHAN, YUEXIANG
description The present invention relates to a control circuit and control method for an I2C bus. The circuit comprises: an I2C master device and a plurality of I2C device groups. An I2C device group comprises an I2C drive device and a plurality of I2C slave devices. An I2C interface of the I2C master device is connected to the I2C drive device, and an IO interface thereof is connected to an enabling end of the I2C drive device. One end of the I2C drive device is connected to the plurality of I2C slave devices. The I2C master device sends an enabling signal to the I2C drive device. The I2C master device sends data to the I2C drive device in an enabled state, and after processing the data, the I2C drive device sends same to each I2C slave device. If the device address of an I2C slave device is the same as an address code, the I2C slave device communicates with the I2C master device. Thus, the present invention realizes that the I2C master device controls the ON or OFF state of each I2C driver, and improves the reliability
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The circuit comprises: an I2C master device and a plurality of I2C device groups. An I2C device group comprises an I2C drive device and a plurality of I2C slave devices. An I2C interface of the I2C master device is connected to the I2C drive device, and an IO interface thereof is connected to an enabling end of the I2C drive device. One end of the I2C drive device is connected to the plurality of I2C slave devices. The I2C master device sends an enabling signal to the I2C drive device. The I2C master device sends data to the I2C drive device in an enabled state, and after processing the data, the I2C drive device sends same to each I2C slave device. If the device address of an I2C slave device is the same as an address code, the I2C slave device communicates with the I2C master device. 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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title CONTROL CIRCUIT AND CONTROL METHOD FOR INTER-INTEGRATED CIRCUIT BUS
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