SCIFA0_RXD_B_MARK
VI1_G3_B_MARK, VI2_R5_MARK, SCIFA0_RXD_B_MARK,
SCIFA0_RXD_B_MARK, MSIOF2_SYNC_B_MARK,
A8_MARK, MSIOF1_RXD_MARK, SCIFA0_RXD_B_MARK,