Datasheet

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4. Interface Description
Pin Symbol Description.
1 LEDK LED backlight (Cathode).
2 LED-A1 LED backlight (Anode).
3 LED-A2 LED backlight (Anode).
4 LED-A3 LED backlight (Anode).
5 LED-A4 LED backlight (Anode).
6 IM0
7 IM1
8 IM2
9 IM3
System interface Mode
IM3 IM2 IM1 IM0 Interface mode DB Pin
0 0 0 0
i80-system 8-bit interfaceⅠ
DB[7:0]
0 0 0 1
i80-system 16-bit interfaceⅠ
DB[15:0]
0 0 1 0
i80-system 9-bit interfaceⅠ
DB[8:0]
0 0 1 1
i80-system 18-bit interfaceⅠ
DB[17:0]
0 1 0 1
3-wires_9-bit SPIⅠ
/CS,SDI,SCL
0 1 1 0
4-wires_8-bit SPIⅠ
/CS,RS,SDI,SCL
1 0 0 0
i80-system 16-bit interface Ⅱ
DB[17:10],DB[8:1]
1
0 0 1
i80-system 8-bit interface Ⅱ
DB[17:10]
1
0 1 0
i80-system 18-bit interface Ⅱ
DB[17:0]
1
0 1 1
i80-system 9-bit interface Ⅱ
DB[17:9]
1
1 0 1
3-wires_9-bit SPI Ⅱ
/CS,SDI,SDO,SCL
1
1 1 0
4-wires_8-bit SPI Ⅱ
/CS,RS,SDI,SDO,SCL
10 /RESET Reset input pin, Active “L”.
11 VSYNC Vertical sync signal in RGB I/F.
12 HSYNC Horizontal sync signal in RGB I/F.
13 DOTCLK Pixel clock signal in RGB I/F.
14 DE Data enable signal in RGB I/F mode
15 DB17
16 DB16
17 DB15
18 DB14
19 DB13
20 DB12
21 DB11
22 DB10
23 DB9
24 DB8
25 DB7
26 DB6
27 DB5
28 DB4
29 DB3
30 DB2
31 DB1
32 DB0
18-bit parallel bi-directional data bus for MPU-Ⅰsystem:
8-bit I/F: DB[7:0] is used.
9-bit I/F: DB[8:0] is used.
16-bit I/F: DB[15:10] is used.
18-bit I/F: DB[17:0] is used.
18-bit parallel bi-directional data bus for MPU-Ⅱsystem:
8-bit I/F: DB[17:10] is used.
9-bit I/F: DB[17:9] is used.
16-bit I/F: DB[17:10] and DB[8:1] is used.
18-bit I/F: DB[17:0] is used.
18-bit input data bus for RGB I/F.
6-bit/pixel: DB[5:0] is used;
16-bit/pixel: DB[17:13]=R[4:0], DB[11:6]=G[5:0] and DB[5:1]=B[4:0];
18-bit/pixel: DB[17:12]=R[5:0], DB[11:6]=G[5:0] and DB[5:0]=B[5:0];
Connect unused pins to GND.
33 SDO Serial output signal in SPI I/F.