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ST7789 Datasheet(PDF) 114 Page - Sitronix Technology Co., Ltd.

Part # ST7789
Description  240RGB x 320 dot 262K Color with Frame Memory Single-Chip TFT Controller/Driver
PDF  316 Pages
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Manufacturer  SITRONIX [Sitronix Technology Co., Ltd.]
Direct Link  http://www.sitronix.com.tw
Logo SITRONIX - Sitronix Technology Co., Ltd.

ST7789 Datasheet(HTML) 114 Page - Sitronix Technology Co., Ltd.

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ST7789VI
Version 1.4
Page 114 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.
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
6
30
hpw+hbp=93
Clock
Horizontal Sync. Back Porch
hbp
12
30
Clock
Horizontal Sync. Front Porch
hfp
6
60
-
Clock
Vertical Sync. Width
vs
2
4
vs+vbp=127
Line
Vertical Sync. Back Porch
vbp
2
4
Line
Vertical Sync. Front Porch
vfp
2
8
-
Line
Note:
Typical value are related to the setting of dot clock is 17MHz and frame rate is 60Hz..
In with ram mode, hpw+hbp+hfp
≧66
In without ram mode, hpw+hbp
≧60
8.9.4
RGB Interface Mode Selection
ST7789VI 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]
WO
RGB Mode
Data Path
10
0
DE mode
Ram
1
Shift register (without Ram)
11
0
HV mode
Ram
1
Shift register (without Ram)



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