ST7789V2 datasheet(5/319 Pages) SITRONIX

5 / 319 page

ST7789V2

Version 1.0

Page 5 of 319

2016/11

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.

8.11.2

Memory to display address mapping.................................................................................................. 125

8.12

ADDRESS CONTROL...................................................................................................................................... 126

8.13

NORMAL DISPLAY ON OR PARTIAL MODE ON, VERTICAL SCROLL OFF ........................................................ 128

8.14

VERTICAL SCROLL MODE ............................................................................................................................. 130

8.14.1

Rolling scroll ...................................................................................................................................... 130

8.14.2

Vertical Scroll Example ...................................................................................................................... 132

8.15

TEARING EFFECT.......................................................................................................................................... 134

8.15.1

Tearing effect line modes.................................................................................................................... 134

8.15.2

Tearign effect line timings .................................................................................................................. 135

8.15.3

Example 1: MPU Write is faster than panel read............................................................................... 136

8.15.4

Example 2: MPU write is slower than panel read ............................................................................. 137

8.16

POWER ON/OFF SEQUENCE......................................................................................................................... 138

8.16.1

Uncontrolled Power Off ..................................................................................................................... 139

8.17

POWER LEVEL DEFINITION ........................................................................................................................... 140

8.17.1

Power Level........................................................................................................................................ 140

8.18

POWER FLOW CHART ................................................................................................................................... 141

8.19

GAMMA CORRECTION .................................................................................................................................. 142

8.20

GRAY VOLTAGE GENERATOR FOR DIGITAL GAMMA CORRECTION................................................................... 147

8.21

DISPLAY DIMMING ....................................................................................................................................... 148

8.21.1

General Description........................................................................................................................... 148

8.21.2

Dimming Requirement........................................................................................................................ 148

8.21.3

Definition of brightness transition time.............................................................................................. 150

8.22

CONTENT ADAPTIVE BRIGHTNESS CONTROL (CABC) ................................................................................. 152

8.22.1

Definition of CABC ............................................................................................................................ 152

8.22.2

Minimum brightness setting of CABC function .................................................................................. 156

COMMAND ........................................................................................................................................................ 158

9.1

SYSTEM FUNCTION COMMAND TABLE 1....................................................................................................... 158

9.1.1

NOP (00h)............................................................................................................................................... 164

9.1.2

SWRESET (01h): Software Reset ............................................................................................................ 165

9.1.3

RDDID (04h): Read Display ID ............................................................................................................. 167

9.1.4

RDDST (09h): Read Display Status ........................................................................................................ 169

9.1.5

RDDPM (0Ah): Read Display Power Mode ........................................................................................... 172

9.1.6

RDDMADCTL (0Bh): Read Display MADCTL ...................................................................................... 174

9.1.7

RDDCOLMOD (0Ch): Read Display Pixel Format ............................................................................... 176

9.1.8

RDDIM (0Dh): Read Display Image Mode ............................................................................................ 178

9.1.9

RDDSM (0Eh): Read Display Signal Mode............................................................................................ 180

9.1.10

RDDSDR (0Fh): Read Display Self-Diagnostic Result...................................................................... 182

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