SSD1789A Solomon Systech, SSD1789A Datasheet - Page 46

• Manufacturer Part Number: SSD1789A
• Description: CSTN LCD Driver
• Manufacturer: Solomon Systech

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9.13 Enter Partial Display (A8 Hex)
This command and the following parameters specify the display area of the partial display mode. The following figure
shows the display and non-display area when the partial display mode is executed.
Figure 14 - Partial display mode
9.14 Exit Partial Display (A9 Hex)
This command exits the partial display mode.
9.15 Set Display On/Off (AF/AE Hex)
This command is used to turn the display on (AF Hex) or off (AE Hex). When display off is issued with entire
display is on, power save mode will be entered.
9.16 Enter/Exit sleep mode (95/94 Hex)
This command enter (95 Hex) or exit (94 Hex) the sleep mode.
9.17 Enable/Disable the internal oscillator (D1/D2 Hex)
This command enables (D1 Hex) or disables (D2 Hex) the internal oscillator. The internal oscillator is turned
off after reset.
9.18 Set Temperature compensation coefficient (82 Hex)
This command sets the average temperature gradients. Four sets of average temperature gradients can be selected.
Please refer to the command table for detail description of the average temperature gradients. The default value of the
temperature gradient is –0.20 %/
9.19 Set First Display COM (44 Hex)
This command map the first display COM data to one of ROW0 – ROW131.
9.20 Enable/Disable Vout discharging path (F4 Hex)
This command enable/disable Vout discharging path. The Vout discharging path can be enabled when display
is changing from high mux (eg. 132 mux) to low mux (eg. 32 mux) in which Vout need to drop to a low voltage
in a short time.
9.21 NOP (25 Hex)
A command causing the chip takes No Operation.
9.22 Write display data mode (5C Hex)
This command is used to execute the write display data mode. The display data byte is directly written to the
GDDRAM. Please be noted that the
GDDRAM.
Solomon Systech
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0
C
:
(Partial Display Area)
D/
: Non-display area
Display area
C
signal should be set to high during the display data is written to the
Jul 2004
P 46/69 Rev 1.0
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