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| MTG-12864D GENERAL SPECIFICATION Item Number of Character Module Size Viewing Area Dot Size/Dot Pitch Backlight Options Built-in Controller 128x64 75.0(W)x52.7(H)x6.8/9.0(D)mm Max 60.0(W)x32.5(H)mm 0.40(W)x0.40(H)mm/0.43(W)x0.43(H)mm Without/EL/LED Gray STN/Yellow STN/Normal/Extended Temperature/Bottom/Top Viewing KS0108 or compatible INTERFACE PIN ASSIGNMENT Content Pin No. Pin Out 1 2 3 4~11 12 13 V DD V SS V ADJ Function Description Logic supply voltage GND S u p p l y v o l t a g e f o r L C D p a n e l , T U N I N G F R O M V DD- V EE DB0~DB7 Data Bus: 3-state I/O common terminal. CS1 CS2 Chip select for the left half of the display. Active high Chip select for the right half of the display. Active high Setting the RES signal to Low level can initialize the following registers. 1. ON/OFF register 0 set (Display off) 2. Display start line register 0 set(display starts from line 0). After releasing reset, this condition can be changed only by software. Read/Write R / W = h i g h : D a t a of DB0~DB7 c a n b e r e a d b y CPU. R/W=low: Data of DB0~DB7 can be written into LCD driver IC at the falling edge of E when CS1 and CS2 is high Data/Instruciton D/I=high: Indicates that data of DB0~DB7 is display data.D/I=low: Indicates that data of DB0~DB7 is instruction. Enable: When write (R/W=low): Data of DB0~DB7 is latched at the fall of E. When read(R/W=high): Data is read while E is at high level. Supply voltage for LCD panel. Please refer page 11 for DC to DC connection Power supply for backlight. (4.2V/100~150mA DC for LED backlight, 110V/400Hz AC for EL) ELECTRICAL CHARACTERISTICS Item Power Supply for Logic Input Voltage LCM Recommend LCD Module Driving Voltage Power Supply Current for LCM Power Supply for LED Backlight Symbol V DD- V SS V IL V IH Condition L level H level T a = - 2 0 C Min. 4.5 V SS 0 . 8 V DD 10.1 9.7 9.6 - Typ 5.0 0 . 2 V DD V DD 10.7 10.3 10.2 1.5 100 0.6 4.2 Max. Unit note 5.5 Volt 11.3 10.9 10.8 1.8 Volt - 14 RES 15 R/W V DD- V ADJ T a = 2 5 C T a = 7 0 C 16 D/I I DD( L E D B/L OFF) I LED( L E D B/L ON) I EE V LED V DD= 5 . 0 V T a = 2 5 C V DD- V ADJ= 1 0 . 3 V VLEDA-VLEDK=4.2V 150 1.0 17 mA 18 19 VDC 20 E VEE BKLA BKLK BLOCK DIAGRAM POWER SUPPLY MECHANICAL |
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