LG128649

LG128649 www.DataSheet4U.com 128 x 64 dots Built in Chinese Font ABSOLUTE MAXIMUM RATINGS Item Supply Voltage(Logic) Supply Voltage(LCD) Input Voltage Operating Temp. Storage Temp. Symbol VDD - VSS VO - VSS VI Topr Tstg Min. -0.3 -0.3 -0.3 -20 -30 Max. 5.5 7.0 VDD + 0.3 70 80 Unit V V V °C °C MECHANICAL DATA Item Nominal Dimensions Unit mm mm mm mm g Module Size ( W x H x T ) 113.0 x 65.0 x 10.0/13.5 72.0 x 39.0 Viewing Area ( W x H ) Dot Pitch ( W x H ) 0.52 x 0.52 0.48 x 0.48 Dot Size ( W x H ) Weight (Reflective/LED) Approx. 60 / 75 ELECTRICAL CHARACTERISTICS ( V DD =5V±0.25V ) Item Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Supply Current LCD Driving Voltage Symbol VIH VIL VOH VOL I DD VO - VSS Test Condition --Min. Typ. ----3.0 6.5 Max. Unit V DD 0.6 V DD 0.4 5.0 -V V V V mA V PIN CONNECTIONS Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Symbol VSS V DD VO RS R/W E DB0 DB1 DB2 DB3 DB4 DB5 DB6 DB7 PSB NC /RST VOUT LEDA LEDK Level 0V +5V -H/L H/L _ H,H >L H/L H/L H/L H/L H/L H/L H/L H/L H/L -L -+5V 0V Function GND Power supply for logic No connection H : Data L : Instruction code H : Read L : Write Enable signal 0.7VDD - 0.3 IOH = - 0.1mA 0.8VDD 0 IOL = 0.1mA -VDD = 5.0V -Ta=25° C BLOCK DIAGRAM Control Signals ST7921 RS(CS) R/W(SID) E(SCLK) PS /RST DB0 DB7 32 COM VDD VSS VO VOUT LEDA LEDK Power Circuit To LSI 32 SEG 96 SEG Data bus line LCD Controller LSI ST7920 64 SEG 32 COM 64 SEG 128 x 32 dots 128 x 32 dots H: Para...