SP3232EEA 接口IC SP3232EEA/EBEA SP3232EEA/TR SP3232EEA+ SP3232EEA+/SP232EEN/SP3485EN SP3232EEA-L SP3232EEA-L TR SP3232EEA-L/TR SP3232EEA-L/TR 接口IC SP3232EEA-L/TR_14+