Specifications
G121SN01  V4  rev.  1.4 
P
age  15/24 
G
121SN01 V4 
6.3 TFT-LCD Interface Signal Description 
The module using a LVDS receiver embaded in AUO’s AS
IC. LVDS is a differential signal technology for LCD 
interface and a high-speed data transfer device. 
Input Signal Interface 
Pin No.
Symbol  Description 
1  VDD  Power Supply, 3.3V (typical) 
2  VDD  Power Supply, 3.3V (typical) 
3  GND  Ground 
4  SEL68  6/ 8bits LVDS data input selection [H: 8bits   L/NC: 6bit] 
5  RIN0- 
6  RIN0+ 
LVDS receiver signal channel 0 
LVDS Differential Data Input (R0, R1, R2, R3, R4, R5, G0) 
7  GND  Ground 
8  RIN1- 
9  RIN1+ 
LVDS receiver signal channel 1 
LVDS Differential Data Input (G1, G2, G3, G4, G5, B0, B1)
10  GND  Ground 
11  RIN2- 
12  RIN2+ 
LVDS receiver signal channel 2 
LVDS Differential Data Input (B2, B3, B4, B5, HS, VS, DE) 
13  GND  Ground 
14  CLKIN- 
15  CLKIN+ 
LVDS receiver signal clock 
16  GND  Ground 
17  RIN3- 
18  RIN3+ 
LVDS receiver signal channel 3, NC for 6 bit LVDS Input 
LVDS Differential Data Input (R6, R7, G6, G7, B6, B7, RSV) 
19  RSV  Reverse Scan Function [H: Enable; L/NC: Disable] 
20  NC/GND
Reserved for AUO internal test. Please treat it as NC. 
Note 1: Input Signals shall be in low status when VDD is off. 
Note 2: High stands for “3.3V”, Low stands for “0V”, NC stands for “No Connection”. 
Note 3: RSV stands for “Reserved”.
AUO Confidential For DATAMODUL Internal Use Only / 2012/10/24
Data Modul AG - www.data-modul.com 










