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Hi @bytedance,
I would suggest you to go through the I2C code example present for PSoC 4000 device: CE222306 - PSoC 4 I2C Communication with Serial Communication Block [zip file] [CE document ].
As @BiBi_1928986 mentioned, ensure that you have the hardware components, both the series and the pull-up resistors, connected to the I2C lines. If you are using a terminal/bridge control panel to view your I2C messages, make sure you have the right settings for communication speed and addressing mode.
Regards,
Nikhil
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Hello.
Did you put pull-up resistors on clock and data pins?
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yes
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Hi @bytedance,
I would suggest you to go through the I2C code example present for PSoC 4000 device: CE222306 - PSoC 4 I2C Communication with Serial Communication Block [zip file] [CE document ].
As @BiBi_1928986 mentioned, ensure that you have the hardware components, both the series and the pull-up resistors, connected to the I2C lines. If you are using a terminal/bridge control panel to view your I2C messages, make sure you have the right settings for communication speed and addressing mode.
Regards,
Nikhil
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okok! thank you.