ST7789 datasheet(71/316 Pages) SITRONIX

71 / 316 page

ST7789VI

Version 1.4

Page 71 of 315

2014/04

Sitronix Confidential

The information contained herein is the exclusive property of Sitronix and shall not be distributed, reproduced, or

disclosed in whole or in part without prior written permission of Sitronix.

8.8.3

8-bit data bus for 16-bit/pixel (RGB 5-6-5-bit input), 65K-Colors, 3Ah=”05h”

There is 1pixel (3 sub-pixels) per 2-byte

R1, Bit 4

G1, Bit 2

R1, Bit 3

G1, Bit 1

R1, Bit 2

G1, Bit 0

R1, Bit 1

B1, Bit 4

R1, Bit 0

B1, Bit 3

G1, Bit 5

B1, Bit 2

G1, Bit 4

B1, Bit 1

G1, Bit 3

B1, Bit 0

8080-series control pins

RESX

CSX

D/CX

“1”

WRX

RDX

“1”

Pixel n

Pixel n+1

Look-up table for 65k color data mapping (16 bits to 18 bits)

16 bits

18 bits

Frame memory

R2, Bit 4

G2, Bit 2

R2, Bit 3

G2, Bit 1

R2, Bit 2

G2, Bit 0

R2, Bit 1

B2, Bit 4

R2, Bit 0

B2, Bit 3

G2, Bit 5

B2, Bit 2

G2, Bit 4

B2, Bit 1

G2, Bit 3

B2, Bit 0

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: 2-times transfer is used to transmit 1 pixel data with the 16-bit color depth information.

Note 3: ‘-‘ = Don’t care – Can be set to ‘0’ or ‘1’

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