ST7735
9.7.11 18-Bit Parallel Interface (IM2, IM1, IM0=“111”)
Different display data formats are available for three colors depth supported by listed below.
- 4k colors, RGB 4,4,4-bit input
- 65k colors, RGB 5,6,5-bit input
- 262k colors, RGB 6,6,6-bit input.
9.7.12 18-bit data bus for 12-bit/pixel (RGB 4-4-4-bit input), 4K-Colors, 3AH=“03h”
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 3
R1, Bit 2
R1, Bit 1
R1, Bit 0
G1, Bit 3
G1, Bit 2
G1, Bit 1
G1, Bit 0
B1, Bit 3
B1, Bit 2
B1, Bit 1
B1, Bit 0
Pixel n
R2, Bit 3
R2, Bit 2
R2, Bit 1
R2, Bit 0
G2, Bit 3
G2, Bit 2
G2, Bit 1
G2, Bit 0
B2, Bit 3
B2, Bit 2
B2, Bit 1
B2, Bit 0
Pixel n+1
R3, Bit 3
R3, Bit 2
R3, Bit 1
R3, Bit 0
G3, Bit 3
G3, Bit 2
G3, Bit 1
G3, Bit 0
B3, Bit 3
B3, Bit 2
B3, Bit 1
B3, Bit 0
Pixel n+2
R4, Bit 3
R4, Bit 2
R4, Bit 1
R4, Bit 0
G4, Bit 3
G4, Bit 2
G4, Bit 1
G4, Bit 0
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
12 bits
12 bits
Look-Up Table for 4096 Color data mapping (12 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=D11, LSB=D0 and picture data is MSB=Bit 3, LSB=Bit 0 for Red, Green and Blue data.
Note 2: 1-times transfer is used to transmit 1 pixel data with the 12-bit color depth information.
V1.7
44
2009-12-04
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
