參數(shù)資料
型號: SSD1852
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Segment / Common Driver With Controller CMOS
中文描述: LCD段/與普通的CMOS驅(qū)動器控制器
文件頁數(shù): 25/55頁
文件大?。?/td> 637K
代理商: SSD1852
SSD1852
Rev 1.0
01/2003
SOLOMON
20
Bit Pattern
0100 11XX
XXXN
4
N
3
N
2
N
1
N
0
Command
Set N-line Inversion
Description
The second command sets the n-line inversion register
from 3 to 33 lines to reduce display crosstalk. Register
values from 00001b to 11111b are mapped to 3 lines to 33
lines respectively. Value 00000b disables the N-line
inversion, which is the POR value.
To avoid a fix polarity at some lines, it should be noted that
the total number of mux (including the icon line) should
NOT be a multiple of the lines of inversion (n).
N
4
– N
0
n-line inversion
00000 Exit n-line inversion
00001 3 lines
00010 4 lines
11101 31 lines
11110 32 lines
11111 33 lines
Sets the LCD bias from 1/5 ~ 1/12 according to B
2
B
1
B
0
:
000: 1/5 bias
001: 1/6 bias
010: 1/7 bias
011: 1/8 bias
100: 1/9 bias
101: 1/10 bias
110: 1/11 bias
111: 1/12 bias (POR)
Set the DC-DC multiplying factor from 3X to 6X
B
1
B
0
:
00: 3X (POR)
01: 4X
10: 5X
11: 6X
The second command sets one of the 64 contrast levels.
The darkness increase as the contrast level increase.
Set gray scale mode and register. These are two-byte
commands used to specify the contrast levels for the gray
scale, 4 levels available.
After power on reset :
WA0~3 = WB0~3 = WC0~3 = WD0~3 = 0000
LA0~3 = LB0~3 = LC0~3 = LD0~3 = 0000
DA0~3 = DB0~3 = DC0~3 = DD0~3 = 1111
BA0~3 = BB0~3 = BC0~3 = BD0~3 = 1111
Memory Content
0
0
0
1
1
0
1
1
0101 0B
2
B
1
B
0
Set LCD Bias
0110 01B
1
B
0
Set DC-DC Control
Register
1000 0001
XXC
5
C
4
C
3
C
2
C
1
C
0
1000 1000
WB
3
WB
2
WB
1
WB
0
WA
3
WA
2
WA
1
WA
0
1000 1001
WD
3
WD
2
WD
1
WD
0
WC
3
WC
2
WC
1
WC
0
1000 1010
LB
3
LB
2
LB
1
LB
0
LA
3
LA
2
LA
1
LA
0
1000 1011
LD
3
LD
2
LD
1
LD
0
LC
3
LC
2
LC
1
LC
0
1000 1100
DB
3
DB
2
DB
1
DB
0
DA
3
DA
2
DA
1
DA
0
1000 1101
DD
3
DD
2
DD
1
DD
0
DC
3
DC
2
DC
1
DC
0
1000 1110
BB
3
BB
2
BB
1
BB
0
BA
3
BA
2
BA
1
BA
0
1000 1111
BD
3
BD
2
BD
1
BD
0
BC
3
BC
2
BC
1
BC
0
1001 0 FRC PWM1 PWM0
Set Contrast Level
Set White Mode,
Frame 2
& Frame 1
st
Set White Mode,
Frame 4
, Frame 3
rd
Set Light Gray Mode,
Frame 2
& Frame 1
st
Set Light Gray Mode,
Frame 4
& Frame 3
rd
Set Dark Gray Mode,
Frame 2
& Frame 1
st
Set Dark Gray Mode,
Frame 4
& Frame 3
rd
Set Dark Mode,
Frame 2
& Frame 1
st
Set Dark Mode,
Frame 4
& Frame 3
rd
Set PWM and FRC
Set PWM and FRC for gray-scale operation.
FRC = 0 : 4-frame (POR)
FRC = 1 : 3-frame
PWM = 00 & 01 : 9-levels (POR)
PWM = 10 : 12-levels
PWM = 11 : 15-levels
1
st
Byte
2
nd
Byte
Gray Scale Mode
White
Light Gray
Dark Gray
Dark
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