Dear TEAM,
1.芯片是否為通過寄存器控制Channel 0,Channel 1 開關。(See attached file: TCA9543A datasheet.pdf)
2.芯片SDX,SCX輸出是否需要串聯電阻以減少干擾。
3.Pin INT1,INT2 NC 是否會影響Channel 0 Channel1輸出。
Regards,
bard
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您好,
1、是的,通过Control 寄存器确定要选择的通道;然后就可以与选择的通道进行I2C通信了。
2、可以预留电阻位置,待调试时选择合适的电阻值;
3、Pin INT1,INT2如果不用,需要通过上拉电阻连接到VCC。