SSD1809 Solomon Systech, SSD1809 Datasheet - Page 18

• Manufacturer Part Number: SSD1809
• Description: LCD SEGMENT / COMMON DRIVER
• Manufacturer: Solomon Systech

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SSD1809
18
COMMAND TABLE
Bit Pattern
0000X
00001001
0000101X
000011 X
00001110
0001X
00001111
0010000X
0010001X
0010010X
0010011X
0010100X
0010101X
0010110X
0010111X
0011000X
0011001X
0011010X
3
3
X
X
2
1
2
X
X
X
0
0
0
0
0
0
0
0
0
0
0
0
REV1.3
03/02
1
0
1
X
X
0
0
Command
Set GDDRAM Page Address
Set Display Rows Location
Set 2X/3X DC-DC Converter
Reserved
Reserved
Set Contrast Level
Reserved
Set 4X / 5X DC-DC Converter
Set Segment Re-Mapping
Set Common Re-Mapping
Set MSB of GDDRAM Column
Address
Set Display on/off
Voltage Generator Enable
Voltage Regulator Enable
Voltage Divider Enable
Internal Contrast Control Enable
Set Display Frequency
Save/Restore GDDRAM Column
Address
Comment
Set GDDRAM Page Address using X
X
X
X
X
X
X
X
X
X
Next Command (byte) on D
tion.
Starts at Row0 - COM0 (POR)
X
X
Remark: This command overrides “ Set 4X/5X DC-DC Converter”.
Set one of the 16 contrast level values using X
bits. Reset to 0000 during POR.
X
X
Remark: This command overrides “ Set 2X/3X DC-DC Converter”.
X
X
X
X
X
X
X
X
X
X
X
X
When application uses a supply with built-in temperature compen-
sation, the regulator should be disabled.
X
X
When an external bias network is preferred, the voltage divider
should be disabled.
X
X
Internal contrast circuits can be disabled if external contrast cir-
cuits is preferred.
X
X
X
X
3
3
3
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X
X
X
X
X
X
X
X
X
=0 : Enable 2X Converter
=1 : Enable 3X Converter
=0: Enable 4X Converter (POR)
=1: Enable 5X Converter
=0 : Column 0 to SEG0 (POR)
=1 : Column 0 to SEG159
=0 : Row 0 to Display Row location (POR)
=1: Flip the Row-COM mapping.
=0: MSB = 0 (POR)
=1: MSB = 1
=0: Display off (POR)
=1: Display on
=0: Disable Voltage Generator (POR)
=1: Enable Voltage Generator
=0: Disable Regulator (POR)
=1: Enable Regulator
=0: Disable Voltage Divider (POR)
=1: Enable Voltage Divider
=0: Disable Internal Contrast Control(POR)
=1: Enable Internal Contrast Control
=0 : Normal display frequency (POR)
=1 : Half display frequency
=0 : Restore address
=1 : Save address
2
2
2
2
2
2
2
2
2
X
X
X
X
X
X
X
X
X
1
1
1
1
1
1
1
1
1
X
X
X
X
X
X
X
X
X
0
0
0
0
0
0
0
0
0
=0000 : page 1 (POR)
=0001 : page 2
=0010 : page 3
=0011 : page 4
=0100 : page 5
=0101 : page 6
=0110 : page 7
=0111 : page 8
=1000 : page 9
5
~ D
0
defines the display rows loca-
3
X
2
X
1
X
0
as address bits.
3
X
2
X
1
X
0
as data
SOLOMON