Datasheet

ST7735
V1.7 42 2009-12-04
9.7.8 16-bit data bus for 18-bit/pixel (RGB 6-6-6-bit input), 262K-Colors, 3AH= “06h”
There are 2 pixels (6 sub-pixels) per 3 bytes
-
-
-
-
-
-
-
-
8080-series control pins
RESX
IM[2:0]
CSX
D/CX
“
““
“1”
””
”
“
““
“101”
””
”
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
B2, Bit 3
B2, Bit 2
B2, Bit 1
B2, Bit 0
B1, Bit 4
B2, Bit 4
R1, Bit 4
G1, Bit 3
G1, Bit 2
G1, Bit 1
G1, Bit 0
G3, Bit 3
G3, Bit 2
G3, Bit 1
G3, Bit 0
G1, Bit 5
G1, Bit 4
G3, Bit 5
G3, Bit 4
R1, Bit 5
- - - -
- - - -
B1, Bit 5
B2, Bit 5
- - - -
- - - -
R2, Bit 3
R2, Bit 2
R2, Bit 1
R2, Bit 0
R2, Bit 4
R2, Bit 5
G2, Bit 3
G2, Bit 2
G2, Bit 1
G2, Bit 0
G2, Bit 5
G2, Bit 4
R3, Bit 3
R3, Bit 2
R3, Bit 1
R3, Bit 0
R3, Bit 4
R3, Bit 5
Note 1: The data order is as follows, MSB=D15, LSB=D0 and picture data is MSB=Bits 5, LSB=Bit 0 for Red, Green and Blue data.
Note 2: 3-times transfer is used to transmit 1 pixel data with the 18-bit color depth information.
Note 3: ‘-‘ = Don't care - Can be set to '0' or '1'