SSD1852T2R1 ETC [List of Unclassifed Manufacturers], SSD1852T2R1 Datasheet - Page 31

• Manufacturer Part Number: SSD1852T2R1
• Description: LCD Segment / Common Driver With Controller CMOS
• Manufacturer: ETC [List of Unclassifed Manufacturers]

Example for pure PWM mode:
Example for pure FRC mode:
For 4 FRC,
For 3 FRC,
No. of level
15-levels
12-levels
9-levels
LCD panel
display
No. of Frame
3-FRC
4-FRC
LCD panel
display
SSD1852
1
1
9.10 Set DC-DC Converter Factor
9.11 Set Contrast Control Register
9.12 Set Gray Scale Mode (White/Light Gray/Dark Gray/Black)
st
st
Memory Content
Memory Content
Byte
Byte
0
0
1
1
0
0
1
1
four possible frames. The four gray levels are called white, light gray, dark gray and black. Each
level is defined by 4 registers for 4 consecutive frames. For example, WA is a 4-bit register to
define the pulse width of the 1
mode etc. Each command specifies two registers.
could be selected.
voltage provided by the On-Chip power circuits. V
register. It is a compound commands.
MSB
1
1
1
MSB
1
1
Internal DC-DC converter factor is set by this command. 3X to 6X multiplying factors
This command adjusts the contrast of the LCD panel by changing V
Command 88(hex) to 8F(hex) are used to specify the four gray levels’ pulse width at the
2
2
LSB
1
1
1
nd
nd
Rev 1.0
01/2003
LSB
1
1
Byte
0
1
0
1
Byte
0
1
0
1
MSB
1
1
1
MSB
1
1
LSB
0
0
0
RAM Content
Gray Mode
Gray Mode
RAM Content
LSB
0
0
Light Gray
Light Gray
Dark Gray
Dark Gray
White
White
Black
Black
MSB
0
0
0
MSB
0
0
st
frame in White mode. WB is a register for 2
LSB
1
1
1
LSB
1
1
MSB
0
0
0
MSB
0
0
WA
WA
DA
DA
BA
BA
LA
LA
1
1
st
st
LSB
0
0
0
LSB
0
0
L6
is set with 64 steps (6-bit) contrast control
Dark Mode
F,F,F,F
C,C,C,C
9,9,9,9
Dark Mode
F,F,F,F
F,F,F,F
WB
WB
DB
DB
2
BB
2
BB
LB
LB
nd
nd
Gray Scale mode and Register (3/4 FRC)
Gray Scale mode and Register (15PWM)
FRAME
FRAME
Dark Gray
Mode
A,A,A,A
8,8,8,8
6,6,6,6
Dark Gray
Mode
F,F,0,0
F,F,F,0
WC
WC
DC
BC
DC
BC
LC
LC
3
3
L6
rd
rd
nd
of the LCD drive
frame in White
Light Gray
Mode
5,5,5,5
4,4,4,4
3,3,3,3
Light Gray
Mode
F,0,0,0
F,0,0,0
4
th
WD (XX)
DC (XX)
BC (XX)
LD (XX)
SOLOMON
(No use)
WD
DD
BD
LD
4
White Mode
0,0,0,0
0,0,0,0
0,0,0,0
th
White Mode
0,0,0,0
0,0,0,0
26