ST7735R
V0.2 47 2009-08-05
9.8.9 9-Bit Parallel Interface (IM2, IM1, IM0=“110”)
Different display data formats are available for three colors depth supported by listed below.
-262k colors, RGB 6,6,6-bit input
9.8.10 Write 9-bit data for RGB 6-6-6-bit input (262k-color)
There is 1 pixel (6 sub-pixels) per 3 bytes
R1, Bit 40
R1, Bit 30
R1, Bit 21
R1, Bit 10
R1, Bit 01
R1, Bit 5
1
0
0
8080-series control
pins
RESX
IM[2:0]
CSX
D/CX
“
““
“1”
””
”
“
““
“110”
””
”
WRX
RDX
“
““
“1”
””
”
D7
D6
D5
D4
D3
D2
D1
D0
Pixel n Pixel n+1
18 bits 18 bits
R1 G1 B1 R2 G2 B2 R3 G3 B3
Frame memory
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
B1, Bit 5
R2, Bit 4
R2, Bit 3
R2, Bit 2
R2, Bit 1
R2, Bit 0
R2, Bit 5-
G1, Bit 5
D8
G2, Bit 4
G2, Bit 3
G2, Bit 5
B2, Bit 4
B2, Bit 3
B2, Bit 2
B2, Bit 1
B2, Bit 0
B2, Bit 5
G2, Bit 2
G2, Bit 1
G2, Bit 0
Note 1: The data order is as follows, MSB=D8, LSB=D0 and picture data is MSB=Bit 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'
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