ST7789V2 datasheet(134/319 Pages) SITRONIX

tên linh kiện	ST7789V2

Giải thích chi tiết về linh kiện	Single chip TFT-LCD Controller/Driver with On-chip Frame Memory (FM)

PDF	319 Pages

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nhà sản xuất	SITRONIX [Sitronix Technology Co., Ltd.]

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ST7789V2

Version 1.0

Page 134 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.

8.15 Tearing Effect

The Tearing Effect output line supplies to the MPU a Panel synchronization signal. This signal can be

enabled or disabled by the Tearing Effect Line Off & On commands. The mode of the Tearing Effect signal is

defined by the parameter of the Tearing Effect Line On command. The signal can be used by the MPU to

synchronize Frame Memory Writing when displaying video images.

8.15.1 Tearing effect line modes

Mode 1, the Tearing Effect Output signal consists of V-Blanking Information only:

tvdh= The LCD display is not updated from the Frame Memory

tvdl= The LCD display is updated from the Frame Memory (except Invisible Line – see above)

Mode 2, the Tearing Effect Output signal consists of V-Blanking and H-Blanking Information, there is one

V-sync and 320 H-sync pulses per field.

thdh= The LCD display is not updated from the Frame Memory

thdl= The LCD display is updated from the Frame Memory (except Invisible Line – see above)

Note: During Sleep In Mode, the Tearing Output Pin is active Low.

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