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| MTG-12232D GENERAL SPECIFICATION Item Number of Character Module Size Viewing Area Dot Size/Dot Pitch Backlight Options Built-In Controller 122x32 59.0(W)x29.3(H)x5.5(D)mm Max 52.0(W)x15.0(H)mm 0.345(W)x0.345(H)mm/0.375(W)x0.375(H)mm Without/LED Gray STN/Yellow STN, Extended Temperature, Bottom Viewing SED1520DAA INTERFACE PIN ASSIGNMENT Content Pin No. Pin Out 1 2 3 V SS V DD VO 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. Ao=1: DB0~DB7 are Display Data input/output. Chip select signal for the left half of the screen. Active Low Chip select signal for the right half of the screen. Active Low An external 2k Hz clock input. Read, active Low for 80 series Write, active Low for 80 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 /WR 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 4.0 - Typ 5.0 0 . 2 V DD V DD 4.3 0.6 45 Max. Unit note 7.0 4.6 1.1 mA 60 Volt Volt Volt Volt - 6 7 8 9 10~17 18 19 20 V DD- V O T a = 2 5 C T a = 5 0 C DB0~DB7 3-state I/O data bus. RES LED A Power supply for LED backlight LED K Reset signal I DD( L E D B/L OFF) I EE( L E D B/L ON) V DD= 5 . 0 V V DD- V O= 4 . 3 V FLM=64Hz V LED= 4 . 2 V BLOCK DIAGRAM POWER SUPPLY MECHANICAL |
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