Data Sheet

a-Si TFT LCD Single Chip Driver
240RGBx320 Resolution and 262K color
ILI9341
The information contained herein is the exclusive property of ILI Technology Corp. and shall not be distributed,
reproduced, or disclosed in whole or in part without prior written permission of ILI Technology Corp.
Page 193 of 233
RM:
Select the interface to access the GRAM.
Set RM to “1” when writing display data by the RGB interface.
RM Interface for RAM Access
0 System interface/VSYNC interface
1 RGB interface
RIM:
Specify the RGB interface mode when the RGB interface is used. These bits should be set before display operation
through the RGB interface and should not be set during operation.
RIM COLMOD [6:4] RGB Interface Mode
110 (262K color) 18- bit RGB interface (1 transfer/pixel)
0
101 (65K color) 16- bit RGB interface (1 transfer/pixel)
110 (262K color) 6- bit RGB interface (3 transfer/pixel)
1
101 (65K color) 6- bit RGB interface (3 transfer/pixel)
EPF [1:0]
: 65K color mode data format.
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
R5 R4 R3 R2 R1 G5 G4 G3 G2 G1 G0 B4 B3 B2 B1 00 B5
Data
Bus
Frame
Data
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Read
Data
EPF=01
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
R5 R4 R3 R2 R1 G5 G4 G3 G2 G1 G0 B4 B3 B2 B1 11 B5
Data
Bus
Frame
Data
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Read
Data
EPF=10
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
R5 R4 R3 R2 R1 G5 G4 G3 G2 G1 G0 B4 B3 B2 B1 B0R0 B5
Data
Bus
Frame
Data
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Read
Data
EPF=00
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
R5 R4 R3 R2 R1 G5 G4 G3 G2 G1 G0 B4 B3 B2 B1 B0R0 B5
Data
Bus
Frame
Data
DB15 DB14 DB13 DB12 DB11 DB10 DB9 DB8 DB7 DB6 DB5 DB4 DB3 DB2 DB1 DB0
Read
Data
EPF=11
Condition Copy
Condition Copy
Green Data
Input data
R/B Data
Green data =
odd
Green data =
even
By-pass
G0 is copied to
R0/B0
R=B
R != B
EPF [1:0] Expand 16 bbp (R,G,B) to 18bbp (R,G,B)
00
MSB is inputted to LSB
r [5:0] = {R [4:0], R [4]}
g [5:0] = {G [5:0]}
b [5:0] = {B [4:0], B [4]}