Datasheet

ST7735
V1.7 46 2009-12-04
9.7.14 18-bit data bus for 18-bit/pixel (RGB 6-6-6-bit input), 262K-Colors, 3AH=“06h”
There is 1 pixel (3 sub-pixels) per 1 byte
-
-
-
-
G1, Bit 3
-
G1, Bit 2
-
G1, Bit 1
-
G1, Bit 0
-
8080-series control pins
RESX
IM[2:0]
CSX
D/CX
“
““
“1”
””
”
“
““
“111”
””
”
WRX
RDX
“
““
“1”
””
”
D15
D14
D13
D12
D11
D10
D9
D8
Pixel n Pixel n+1
18 bits 18 bits
R1 G1 B1 R2 G2 B2 R3 G3 B3
Frame memory
R1, Bit 3
0
R1, Bit 2
0
R1, Bit 1
1
R1, Bit 0
0
1
1
0
0
D7
D6
D5
D4
D3
D2
D1
D0
B1, Bit 3
B1, Bit 2
B1, Bit 1
B1, Bit 0
G2, Bit 3
G2, Bit 2
G2, Bit 1
G2, Bit 0
R2, Bit 3
R2, Bit 2
R2, Bit 1
R2, Bit 0
B2, Bit 3
B2, Bit 2
B2, Bit 1
B2, Bit 0
G3, Bit 3
G3, Bit 2
G3, Bit 1
G3, Bit 0
R3, Bit 3
R3, Bit 2
R3, Bit 1
R3, Bit 0
B3, Bit 3
B3, Bit 2
B3, Bit 1
B3, Bit 0
G4, Bit 3
G4, Bit 2
G4, Bit 1
G4, Bit 0
R4, Bit 3
R4, Bit 2
R4, Bit 1
R4, Bit 0
B4, Bit 3
B4, Bit 2
B4, Bit 1
B4, Bit 0
Pixel n+2 Pixel n+3
-
-
D17
D16
R1, Bit 4 R2, Bit 4 R3, Bit 4 R4, Bit 4
G1, Bit 5
G1, Bit 4
G2, Bit 5
G2, Bit 4
G3, Bit 5
G3, Bit 4
G4, Bit 5
G4, Bit 4
B1, Bit 4 B2, Bit 4 B3, Bit 4 B4, Bit 4
R1, Bit 5 R2, Bit 5 R3, Bit 5 R4, Bit 5
B1, Bit 5 B2, Bit 5 B3, Bit 5 B4, Bit 5
Note 1: The data order is as follows, MSB=D17, LSB=D0 and picture data is MSB=Bit 5, LSB=Bit 0 for Read, Green and Blue data.
Note 2: 1-times transfer (D17o D0) is used to transmit 1 pixel data with the 18-bit color depth information.