ST7789V2 datasheet(119/319 Pages) SITRONIX

119 / 319 page

ST7789V2

Version 1.0

Page 119 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.

The following are the functions not available in RGB Input Interface mode.

Function

RGB Interface

I80 System Interface

Partial display

Not available

Available

Scroll function

Not available

Available

Interlaced scan

Not available

Available

Graphics operation function

Not available

Available

VSYNC, HSYNC, and DOTCLK signals must be supplied during a display operation period.

In RGB interface mode, the panel controlling signals are generated from DOTCLK, not the internal clock

generated from the internal oscillator.

In 6-bit RGB interface mode, each of RGB dots are transferred in synchronization with DOTCLK signals.

In other words, one pixel data needs to take three DOTCLKs to transfer.

In 6-bit RGB interface mode, the cycles of VSYNC, HSYNC, ENABLE, DOTCLK signals must be set

correctly so that the data transfer is completed in units of pixels.

When switching between the internal operation mode and the external display interface operation mode,

follow the sequences below in setting instruction.

In RGB interface mode, the front porch period continues until the next VSYNC input is detected after

drawing one frame.

In RGB interface mode, a RAM address is set in the address counter every frame on the falling edge of

VSYNC.

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