RT240128ASRL

RT240128ASR(L) *240X128 DOTS *1/64Duty 1/9 Bias Gray mode STN Transflective ■ EXTERNAL DIMENSIONS AND DISPLAY PATTERN ■ PIN CONNECTION ■ MECHANICAL DATA (Nominal dimensions) module size-----------------144.0Wx104.0Hx10.0D mm Effective display area ------------ 114.0Wx64.0H mm Dots pitch---------------------------- 0.45Wx0.45H mm Dot size------------------------------- 0.40Wx0.40H mm Pin No. Symbol Level Function 1 FG 0V Frame ground 2 VSS 0V Groud VDD +5V Power supply 3 Operating voltage V0 4 for LCD drive /WR H/L Write singal 5 /RD H/L Read singal 6 7 CE L Chip enable signal H:Instrction code H/L 8 C/D L:Daa code 9 RESET L Reset singal 10 D0 11 D1 12 D2 13 D3 Data bus line * 14 D4 15 D5 16 D6 17 D7 18 FS H/L Font select(H:6x*dots L:8x8 dots) 19 NC Not connection 20 Power supply for LED LED+ Power supply for LED LED21 ■ ABSOLUTE MAXIMUM RATINGS min max Power supply voltage(Vdd)------------- 0.3 7.0V LCD-drive Voltage(Vlcd)-------- VDD+0.3 VDD-3.0V Operating temperature(Ta) ------------------- 0 60℃ Stroage temperature(Tstg) -------------------- -10 70℃ ■ ELECTRICAL CHARACTERISTICS min max Ta=25℃, Vdd=5.0V+0.25V Input 'high' voltage(ViH)(V) ----------0.7Vdd Vdd Input 'low' voltage(ViL)(V) --------------- 0 0.3Vdd Power supply current(Idd)(mA) ----------- --Supply lcd current(Ilcd)(mA)----------------- --Drive method ------------------------- 1/64Duty 1/9bias LCM power consum ----------------------- -- 20mA ■ BLOCK DIAGRAM