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| MTG-12232B GENERAL SPECIFICATION Item Number of Character Module Size Viewing Area Dot Size/Dot Pitch Backlight Options Built-in Controller 122x32 80.0(W)x36.0(H)x10.0/15.0(D)mm Max 60.5(W)x18.5(H)mm 0.42(W)x0.47(H)mm/0.44(W)x0.49(H)mm Without/EL/LED Gray STN/Yellow STN/Normal/Extended Temperature/Bottom/Top Viewing none INTERFACE PIN ASSIGNMENT Content Pin No. Pin Out 1 2 3 V SS V DD V EE GND Function Description Logic supply voltage LCD driver supply voltage Display Data/Display commands switching input. Ao=0: DB0~DB7 are command input and status output, A0=1: DB0~DB7 are Display Data input/output. Chip select for the left half of the screen. Active Low Chip select for the right half of the screen. Active Low External clock input (typ. 2KHz) /RD for 80 series, E for 68 series 4 Ao ELECTRICAL CHARACTERISTICS Item Power Supply for Logic Input Voltage LCM Recommend LCD Module Driving Voltage Power Supply Current for LCM 5 CS1 CS2 CL /RD(E) Symbol V DD- V SS V IL V IH Condition L level H level T a = 0 C Min. 2.4 V SS 0 . 8 V DD 5.5 5.35 4.8 - Typ 5.0 0 . 2 V DD V DD 5.68 5.54 5.0 0.6 Max. Unit note 6 7.0 5.9 5.75 5.2 1.1 mA 20 BKL2 Volt Volt Volt Volt 7 8 9 10~17 18 19 /WR(R/W) /WR for 80 series, R/W for 68 series DB0~DB7 RES BKL1 3 state I/O Data Bus Reset, H for 80 series, L for 68 series Power supply for backlight. 100V/400Hz AC for EL, 4.2V or 120~180mA DC for LED backlight. Don't care if no backlight V DD- V EE T a = 2 5 C T a = 5 0 C I DD( L E D B/L OFF) I EE( L E D B/L ON) V DD= 5 . 0 V V DD- V EE= 5 . 5 4 V FLM=64Hz V LED= 4 . 2 V - 120 180 BLOCK DIAGRAM POWER SUPPLY MECHANICAL |
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