H/L 12 OB5 H/L 13 OB6 H/L 14 DB7 H/L Function OV +5V Power supply - L: Instruction code input H: Data input H: Data read (LCD module~MPUI L: Data write (LCD module+-MPUI Enable signal .- Data bus line Note (11, Note (21 ELECTRICAL CHARACTERISTICS Ta = 25°C, VDD = 5.0 V ± 0.25 V Inp.