V5_DESC
SIG_EXPR_DECL_SINGLE(VPIOB9, VPI18, VPI18_DESC, V5_DESC);
SIG_EXPR_DECL_SINGLE(VPIOB9, VPI24, VPI24_DESC, V5_DESC);
SIG_EXPR_DECL_SINGLE(VPIOB9, VPI30, VPI30_DESC, V5_DESC);
SIG_EXPR_LIST_DECL_SINGLE(V5, RXD2, RXD2, V5_DESC);