------------------------
Dip switchs
           ----+----P0.0              +----P0.0
           ----+----P0.1              +----P0.1
           ----+----P0.2              +----P0.2
           ----+----P0.3              +----P0.3(second MCU)
           ----+----P0.4              +----P0.4
           ----+----P0.5              +----P0.5
           ----+----P0.6              +----P0.6
           ----+----P0.7              +----P0.7




               ------------------------
Dip switchs
           ----+----P2.0              +---P2.0
           ----+----P2.1              +---P2.1
           ----+----P2.2              +---P2.2
           ----+----P2.3              +---P2.3(second MCU)
           ----+----P2.4              +---P2.4
           ----+----P2.5              +---P2.5
           ----+----P2.6              +---P2.6
           ----+----P2.7              +---P2.7