ST7789V2 datasheet(116/319 Pages) SITRONIX

116 / 319 page

ST7789V2

Version 1.0

Page 116 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.

In with ram mode, hpw+hbp+hfp

≧22

In without ram mode, hpw+hbp

≧20

6bit RGB interface:

Parameter

Symbol

Min.

Typ.

Max.

Unit

Horizontal Sync. Width

hpw

hpw+hbp=93

Clock

Horizontal Sync. Back Porch

hbp

Clock

Horizontal Sync. Front Porch

hfp

Clock

Vertical Sync. Width

vs+vbp=127

Line

Vertical Sync. Back Porch

vbp

Line

Vertical Sync. Front Porch

vfp

Line

Note:

Typical value are related to the setting of dot clock is 17MHz and frame rate is 60Hz, VDD=VDDI=2.8V..

In with ram mode, hpw+hbp+hfp

≧66

In without ram mode, hpw+hbp

≧60

8.9.4

RGB Interface Mode Selection

ST7789V2 supports two kinds of RGB interface, DE mode and HV mode. Each mode also can select with

ram and without ram. The table shown below uses command B1h to select RGB interface mode.

RCM[1:0]

RGB Mode

Data Path

DE mode

Ram

Shift register (without Ram)

HV mode

Ram

Shift register (without Ram)

8.9.5

RGB Interface Timing

The timing chart of RGB interface DE mode is shown as follows.

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