Hello Hong, What requirements are needed for the MSP430? Is the the DRV interface is PWM. Most of our MSPs can handle this just fine, but what of the WIFI chip? What interface is required to communicate with it? It seems the WIFI chip has a stack on it so you only need a basic MSP for this. The MSP430FR211o or MSP430FR2111 comes to mind and could communicate with the WIFI chip via SPI or UART. If you need I2C, I would go with one of our MSP430G2xxx devices.
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