backlight: LED • LCD type + colour: STN yellow-green • features: •• 5 x 8 dots with cursor •• built-in controller (KS0066U or equivalent) •• +5V power supply •• 1/16 duty cycle •• BKL to be driven by pin1, pin2, or pin15, pin16 or A, K • absolute maximum rating: •• power supply (Vdd-Vss): -0.3 ~ 5.5V •• input voltage (Vi): -0.3 ~ Vdd • electronic: •• input voltage (Vdd): 4.7 ~ 5.5V (at +5V) / 2.7 ~ 5.3V (at +3.3V) •• supply current (Idd): 2.5mA typ. (at Vdd = 5V) •• recommended LCD driving voltage (Vdd-V0): 4.3 ~ 4.7V (at 25°) •• LED forward voltage (Vf): 4.2V typ. (at 25°C) •• LED forward current (If): 140mA (at 25°C) • mechanical: •• module dimensions: 116.0 x 37.0mm •• viewing area: 83.0 x 18.6mm •• dot size: 0.60 x 0.65mm •• character size: 3.20 x 5.95mm • pin assignment: •• GND: 1 (Vss) •• +5V: 2 (Vdd) •• contrast adjustment: 3 (V0) •• H/L register select signal: 4 (RS) •• H/L read/write signal: 5 (R/W) •• H/L enable signal: 6 (E) •• H/L data bus lines: 7 ~ 14 (DB0 ~ DB7) •• +4.2V for BKL: 15 (A) •• power supply for BKL (0V): 16 (K)