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LP5520查手册看I2C模式用指令,PWM方式单独控制每路LED?

目前是看到7.3.2.3 LED PWM Control
用SPI模式,MCU连三路PWM,可单独控制。
如果按I2C模式,原理图上三路PWM输入端口都接地,用I2C指令能否PWM方式单独控制每路的PWM?
snvs440b.pdf