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Field CPHA
writer - Clock phase This bit is used to select the phase of the clock output on the SCLK pin in synchronous mode. It works in conjunction with the CPOL bit to produce the desired clock/data relationship (see and ) This bit can only be written when the USART is disabled (UEÂ =Â 0). Note: If synchronous mode is not supported, this bit is reserved and must be kept at reset value. Refer to .