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                   Detailed Product Description 
                   Character lcd module  STN/TN/HTN mono LCD Module  ACM2002D-FL(Y)-YBW 
TN, reflective, Positive, no LED backlight, Operating Temp: -20   
|        Item | 
 Description(mm) 
 | 
 
| 
        Size 
 | 
 116(L)x37(W)x13.5(H) 
 | 
 
| 
 V.A 
 | 
 83(L)x13.6(W) 
 | 
 
| 
 Character Pitch 
 | 
 3.7 x 5.95 
 | 
 
| 
 Dot Size 
 | 
 0.60*0.65 
 | 
 
 
  
| 
 Pin 
 | 
 Symbol 
 | 
 level 
 | 
 Description 
 | 
 Pin 
 | 
 Symbol 
 | 
 level 
 | 
 Description 
 | 
 
| 
 1 
 | 
 Vss 
 | 
 0V 
 | 
 Ground 
 | 
 7~14 
 | 
 DB0~DB7 
 | 
 H/L 
 | 
 Data Bus Line 
 | 
 
| 
 2 
 | 
 Vdd 
 | 
 +5V 
 | 
 Supply Voltage for Logic 
 | 
 15 
 | 
 A 
 | 
 -- 
 | 
 Back Light anode:+4.2V  
 | 
 
| 
 3 
 | 
 V0 
 | 
 -- 
 | 
 Operating Voltage for LCD 
 | 
 16 
 | 
 K 
 | 
 -- 
 | 
 Back Light cathode:0V 
 | 
 
| 
 4 
 | 
 R/S 
  
 | 
 H/L 
 | 
 H: Data 
L: Instruction Code 
 | 
   
 | 
   
 | 
   
 | 
   
 | 
 
| 
 5 
 | 
 R/W 
 | 
 H/L 
 | 
 H: Data Read L: Data Write 
 | 
   
 | 
   
 | 
   
 | 
   
 | 
 
| 
 6 
 | 
 E 
 | 
 H,H-L 
 | 
 Enable Signal 
 | 
   
 | 
   
 | 
   
 | 
   
 | 
 
 
                   |