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 63 of 233
7.6.2. 4-line Serial Interface
The 4-line/8-bit serial bus interface of ILI9341 can be used by setting external pin as IM [3:0] to “0110” for serial
interface I or IM [3:0] to “1110” for serial interface II. The shown figure is the example of 4-line SPI interface.
In 4-line serial interface, different display data format is available for two color depths supported by the LCM
listed below.
-65k colors, RGB 5, 6, 5 -bits input.
-262k colors, RGB 6, 6, 6 -bits input.
RESX
IM[3:0]
IM[3:0]=0110 or 1110
CSX
D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0 D7 D6 D5 D4 D3 D2 D1 D0
Pixel n Pixel n+1
SDA/
SDI
SCL
16-bit
Frame memory
R1
4
R1
3
R1
2
R1
1
R1
0
G1
5
G1
4
G1
3
G1
2
G1
1
G1
0
B1
4
B1
3
B1
2
B1
1
B1
0
R2
4
R2
3
R2
2
R2
1
R2
0
G2
5
G2
4
G2
3
Look-Up Table for 65k Colors mapping (16-bit to 18-bit)
18-bit
R1
G1 B1
R2 G2 B2 R3 G3 B3
16 bit/pixel color order (R:5-bit, G:6-bit, B:5-bit), 65,536 colors
1
D7 D6 D5
G2
2
G2
1
G2
0
D/CX
1 1 1