SSD1821 Solomon Systech, SSD1821 Datasheet - Page 17

• Manufacturer Part Number: SSD1821
• Description: (SSD1820A / SSD1821) LCD Segment / Common Driver
• Manufacturer: Solomon Systech

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SOLOMON
LCD Panel Driving Waveform
drivers may be connected to a LCD panel. The waveforms shown in
Figure 8a and 7b illustrate the desired multiplex scheme with N-line
Inversion feature is disabled (default).
The following is an example of how the Common and Segment
COM0
COM1
SEG0
SEG1
M
1 2 3 4 5 6 7 8 9
* Note : N is the number of multiplex ratio including Icon line if it is enabled, N is equal to 64/80 on POR.
Figure 8b. LCD Driving Signal from SSD1820A/SSD1821
. . .
N
*
1 2 3 4 5 6 7 8 9
. . .
TIME SLOT
N
*
1 2 3 4 5 6 7 8 9
. . .
Figure 8a. LCD Display Example “0”
N
*
1 2 3 4 5 6 7 8 9
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
. . .
REV 1.4
01/03
N
*
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
L6
L5
L4
L3
L2
SS
L6
L5
L4
L3
L2
SS
L6
L5
L4
L3
L2
SS
L6
L5
L4
L3
L2
SS
SSD1820A/21
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