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https://e2e.ti.com/support/motor-drivers-group/motor-drivers/f/motor-drivers-forum/667506/drv8301-spi-interface-required
是否需要连接SPI接口，即使我们不需要任何寄存器，降压转换器或故障检测？
它是否具有默认模式，在该模式中，我们只提供了EN_Gate和PWM，它为MOSFET提供BST_X，GX_X，SX_X输出。
