ST7735
9.7.13 18-bit data bus for 16-bit/pixel (RGB 5-6-5-bit input), 65K-Colors, 3AH=“05h”
There is 1 pixel (3 sub-pixels) per 1 byte
“1”
RESX
“111”
IM[2:0]
CSX
D/CX
WRX
“1”
RDX
8080-series control pins
D17
D16
D15
D14
D13
D12
D11
D10
D9
-
-
-
-
-
-
-
-
-
-
-
R1, Bit 4
R1, Bit 3
R1, Bit 2
R1, Bit 1
R1, Bit 0
G1, Bit 5
G1, Bit 4
G1, Bit 3
G1, Bit 2
G1, Bit 1
G1, Bit 0
B1, Bit 4
B1, Bit 3
B1, Bit 2
B1, Bit 1
B1, Bit 0
Pixel n
R2, Bit 4
R2, Bit 3
R2, Bit 2
R2, Bit 1
R2, Bit 0
G2, Bit 5
G2, Bit 4
G2, Bit 3
G2, Bit 2
G2, Bit 1
G2, Bit 0
B2, Bit 4
B2, Bit 3
B2, Bit 2
B2, Bit 1
B2, Bit 0
Pixel n+1
R3, Bit 4
R3, Bit 3
R3, Bit 2
R3, Bit 1
R3, Bit 0
G3, Bit 5
G3, Bit 4
G3, Bit 3
G3, Bit 2
G3, Bit 1
G3, Bit 0
B3, Bit 4
B3, Bit 3
B3, Bit 2
B3, Bit 1
B3, Bit 0
Pixel n+2
R4, Bit 4
R4, Bit 3
R4, Bit 2
R4, Bit 1
R4, Bit 0
G4, Bit 5
G4, Bit 4
G4, Bit 3
G4, Bit 2
G4, Bit 1
G4, Bit 0
B4, Bit 4
B4, Bit 3
B4, Bit 2
B4, Bit 1
B4, Bit 0
Pixel n+3
-
-
-
-
-
-
D8
-
D7
0
0
1
0
1
1
0
0
D6
D5
D4
D3
D2
D1
D0
16 bits
16 bits
Look-up table for 65k color data mapping (16 bits to 18 bits)
18 bits
Frame memory
R1 G1 B1 R2 G2 B2 R3 G3 B3
Note 1: The data order is as follows, MSB=D15, LSB=D0 and picture data is MSB=Bit 5, LSB=Bit 0 for Green, and MSB=Bit 4, LSB=Bit 0
for Red and Blue data.
Note 2: 1-time transfer is used to transmit 1 pixel data with the 16-bit color depth information.
V1.7
45
2009-12-04
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
