SSD1801AV ETC [List of Unclassifed Manufacturers], SSD1801AV Datasheet - Page 39

• Manufacturer Part Number: SSD1801AV
• Description: LCD Segment / Common Driver with Controller for Character Display System
• Manufacturer: ETC [List of Unclassifed Manufacturers]

Figure 24 - Application Circuit: ALL internal power mode with 2x regulated DC-DC converter
(serial mode)
SOLOMON
Logic pin connections not specified above:
Pins connected to DVdd: DL, DIRS
Pins connected to DVss: REF, CLK, P/ S , R/W ( WR ),
E(/RD), C68/ 80 , D5-D0
COM8
COM9
:
:
COM14
COM15
:
:
COM20
COM21
COM22
COM23
COMI1
COMI1
COM23
COM22
COM21
COM20
COM15
COM14
:
:
COM9
COM8
SEG79……………………………………………………………………………SEG0
SEG0…………………………………………………………SEG79
80 X 24 + 1 ICON LINE
DISPLAY PANEL SIZE
VOUT
AVDD
+C1
C1N C1P C2P
SSD1801 IC
(DIE FACE IP)
24 MUX
C1: 2.2 -4.7 uF
C2: 0.1-1uF
C2
+
C2
+
Note:
It is recommended to use 2x regulated DC-DC
converter to reduce the current consumption
under certain of condition.
e.g. AV
voltage) = 5.0V.
DVDD VL2 VL3 VL4 VL5 VL6
AVDD
VDD = 3.0V
DD
/DV
Rev 1
01/2003
DD
.
1
= 3.0V and V
Remarks :
R1 and R2 = 500K-2.5M ohms
COMI0
COM0
COM1
:
:
COM6
COM7
:
:
COM16
COM17
COM18
COM19
R2
COM19
COM18
COM17
COM16
COM7
COM6
COM5
:
:
COM0
COMI0
VF
LCD
SSD1801 Series
AVSS
R1
(LCD driving
38