ETC SSD1812Z

SOLOMON SYSTECH
SEMICONDUCTOR TECHNICAL DATA
SSD1812
Product Preview
LCD Segment / Common Driver
with Controller
CMOS
SSD1812 is a single-chip CMOS LCD driver with controller for liquid crystal dotmatrix graphic display system. It consists of 187 high voltage driving output pins for
driving 132 Segments, 54 Commons and 1 Icon Driving-Common.
TAB
SSD1812 displays data directly from its internal 132 X 65 bits Graphic Display
Data RAM (GDDRAM). Data/Commands are sent from general MCU through a software selectable 6800-/8080-series compatible Parallel Interface or Serial Peripheral
Interface.
SSD1812 embeds a DC-DC Converter, an On-Chip Bias Divider and an On-Chip
Oscillator which reduce the number of external components. With the special design
on minimizing power consumption and die/package layout, SSD1812 is suitable for
any portable battery-driven applications requiring a long operation period and a compact size.
Gold Bump Die
ORDERING INFORMATION
•
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•
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•
•
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Single Supply Operation, 1.8 V - 3.5V
Minimum -12.0V LCD Driving Output Voltage
Low Current Sleep Mode
On-Chip Voltage Generator / External Power Supply
2X / 3X / 4X On-Chip DC-DC Converter
On-Chip Oscillator
Programmable Multiplex ratio [1Mux - 55Mux]
On-Chip Smart Bias Divider
Programmable 1/4, 1/5, 1/6, 1/7, 1/8 and 1/9 bias ratio
8-bit 6800-series Parallel Interface, 8-bit 8080-series Parallel Interface and Serial
Peripheral Interface
On-Chip 132 x 65 Graphic Display Data RAM
Re-mapping of Row and Column Drivers
Vertical Scrolling
Display Offset Control
RAM Page Blinking
64 Level Internal Contrast Control
External Contrast Control
Selectable LCD Driving Voltage Temperature Coefficients (8 settings)
Available in Gold Bump Die and Standard TAB (Tape Automated Bonding) Package
SSD1812Z
SSD1812TR
Gold Bump Die
TAB
This document contains information on a new product under development. Solomon reserves the right to change or discontinue this product without notice.
Copyright © 1999 Solomon Technolgoy Corp.
REV 1.2
12/99
Block Diagram
ICONS
ROW0 to
ROW63
SEG0~SEG131
Level
Selector
HV Buffer Cell Level Shifter
VL6
VL2
187 Bit Latch
MSTAT
M
DOF
M/S
CL
CLS
VDD
VF
Display
Timing
Generator
LCD Driving
Voltage Generator
VEE
C1P
2X / 3X / 4X
DC/DC Converter,
Voltage Regulator,
Smart Bias Divider,
Contrast Control,
Temperature
Compensation
Oscillator
GDDRAM
132 X 65 Bits
C2P
C1N
C2N
C3N
IRS
HPM
VFS
VSS1
Command Decoder
VSS
VDD
Command Interface
RES P/S CS1 CS2 D/C
SSD1812
2
REV 1.2
12/99
R/W C68/80 M/S
E
(RD) (WR)
Parallel / Serial Interface
D7
D6 D5 D4 D3 D2 D1 D 0
(SDA) (SCK)
SOLOMON
Dummy
/CS1
/RES
D/C
R/W(/WR)
D0 (SDA)
D1 (SCK)
D2
D3
D4
D5
D6
D7
VDD
VSS
VEE
C3N
C1P
C1N
C2N
C2P
VL2
VL3
VL4
VL5
VL6
VF
P/S
Dummy
178
177
176
175
Dummy
Dummy
Dummy
ICONS
ROW58
ROW57
R0W56
153
152
151
ROW34
ROW33
ROW32
150
149
148
SEG95
SEG94
SEG93
57
56
55
SEG2
SEG1
SEG0
54
53
52
ROW0
ROW1
ROW2
30
29
28
ROW24
ROW25
ROW26
Dummy
Dummy
Dummy
::
::
::
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
::
::
::
::
::
::
SSD1812T Pin Assignment
(Copper View)
SOLOMON
REV 1.2
12/99
SSD1812
3
ICONS
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
ROW7
ROW8
ROW9
ROW10
ROW11
ROW12
ROW13
ROW14
ROW15
ROW16
ROW17
ROW18
ROW19
137
Center: 3701.075, -304.5
Radius: 50.925u
Center: 389.725, -201.6
Radius: 27.125u
(0,0)
Y
Center: -3380.625, 205.625
Size: 99.75u x 99.75u
:
:
268
1
ROW20
ROW21
:
:
ROW30
ROW31
VDD
IRS
VSS
/HPM
VDD
P/S
C68/80
VSS
CLS
M/S
VDD
NC
NC
VDD
VDD
VF
VF
VL6
VL6
VL6
VL5
VL5
VL4
VL4
VL4
VL3
VL3
VL3
VL2
VL2
VDD
VDD
VFS
VFS
VSS
VSS
C2P
C2P
C2P
C2N
C2N
C2N
C2N
C1N
C1N
C1N
C1P
C1P
C1P
C3N
C3N
C3N
C3N
VEE
VEE
VEE
VEE
VSS1
VSS1
VSS1
VSS1
VSS
VSS
VSS
VDD
VDD
VDD
VDD
D7 (SDA)
D6 (SCK)
D5
D4
D3
D2
D1
D0
VDD
E(/RD)
R/W(/WR)
VSS
D/C
/RES
VDD
CS2
/CS1
VSS
/DOF
CL
M
MSTAT
NC
ICONS
ROW63
ROW62
ROW61
:
:
ROW54
ROW53
ROW32
ROW33
ROW34
ROW35
ROW36
ROW37
ROW38
ROW39
ROW40
ROW41
ROW42
ROW43
ROW44
ROW45
ROW46
ROW47
ROW48
ROW49
ROW50
ROW51
ROW52
SEG110
SEG111
SEG112
SEG113
SEG114
SEG115
SEG116
SEG117
SEG118
SEG119
SEG120
SEG121
SEG122
SEG123
SEG124
SEG125
SEG126
SEG127
SEG128
SEG129
SEG130
SEG131
:
:
Center: 3819.2, -419.2
Size: 99.75u x 99.75u
Center: 3816.05, 305.2
Size: 100.1u x 100.1u
115
x
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
Gold Bump Alignment Mark
This alignment mark contains gold nump for IC
bumping process alignment and IC identifications.
No conductive tracks should be laid underneath
this mark to avoid short circuit.
Note:
Coordinates and Size of all alignment marks are in
unit um and w.r.t. center of the chip.
PIN #1
Die Size: 10.977mm X 1.912mm
Die Thickness: 533 +/-25um
Bump Pitch: 76.2 um [Min]
Bump Height: Nominal 18um
SSD1812Z Die Pin Assignment
SSD1812
4
REV 1.2
12/99
SOLOMON
Table 1. ROW pins assignment for COM signals in Programmable Multiplex Ratio
[On power-on-reset, SSD1812 is set to 54 Multiplex]
Die Pad Name
54 Mux Com
Signal Output
ROW0
ROW1
ROW2
ROW3
ROW4
ROW5
ROW6
ROW7
ROW8
ROW9
ROW10
ROW11
ROW12
ROW13
ROW14
ROW15
ROW16
ROW17
ROW18
ROW19
ROW20
ROW21
ROW22
ROW23
ROW24
ROW25
ROW26
ROW27
ROW28
ROW29
ROW30
ROW31
ROW32
ROW33
ROW34
ROW35
ROW36
ROW37
ROW38
ROW39
ROW40
ROW41
ROW42
ROW43
ROW44
ROW45
ROW46
ROW47
ROW48
ROW49
ROW50
ROW51
ROW52
ROW53
ROW54
ROW55
ROW56
ROW57
ROW58
ROW59
ROW60
ROW61
ROW62
ROW63
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM17
COM18
COM19
COM20
COM21
COM22
COM23
COM24
COM25
COM26
NC
NC
NC
NC
NC
COM27
COM28
COM29
COM30
COM31
COM32
COM33
COM34
COM35
COM36
COM37
COM38
COM39
COM40
COM41
COM42
COM43
COM44
COM45
COM46
COM47
COM48
COM49
COM50
COM51
COM52
COM53
NC
NC
NC
NC
NC
53 Mux Com
Signal Output
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM17
COM18
COM19
COM20
COM21
COM22
COM23
COM24
COM25
COM26
NC
NC
NC
NC
NC
COM27
COM28
COM29
COM30
COM31
COM32
COM33
COM34
COM35
COM36
COM37
COM38
COM39
COM40
COM41
COM42
COM43
COM44
COM45
COM46
COM47
COM48
COM49
COM50
COM51
COM52
NON-SELECT*
NC
NC
NC
NC
NC
52 Mux Com
Signal Output
51 Mux Com
Signal Output
NON-SELECT* NON-SELECT*
COM0
COM0
COM1
COM1
COM2
COM2
COM3
COM3
COM4
COM4
COM5
COM5
COM6
COM6
COM7
COM7
COM8
COM8
COM9
COM9
COM10
COM10
COM11
COM11
COM12
COM12
COM13
COM13
COM14
COM14
COM15
COM15
COM16
COM16
COM17
COM17
COM18
COM18
COM19
COM19
COM20
COM20
COM21
COM21
COM22
COM22
COM23
COM23
COM24
COM24
COM25
COM25
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
COM26
COM26
COM27
COM27
COM28
COM28
COM29
COM29
COM30
COM30
COM31
COM31
COM32
COM32
COM33
COM33
COM34
COM34
COM35
COM35
COM36
COM36
COM37
COM37
COM38
COM38
COM39
COM39
COM40
COM40
COM41
COM41
COM42
COM42
COM43
COM43
COM44
COM44
COM45
COM45
COM46
COM46
COM47
COM47
COM48
COM48
COM49
COM49
COM50
COM50
COM51
NON-SELECT*
NON-SELECT* NON-SELECT*
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
48 Mux Com
Signal Output
NON-SELECT*
NON-SELECT*
NON-SELECT*
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM17
COM18
COM19
COM20
COM21
COM22
COM23
NC
NC
NC
NC
NC
COM24
COM25
COM26
COM27
COM28
COM29
COM30
COM31
COM32
COM33
COM34
COM35
COM36
COM37
COM38
COM39
COM40
COM41
COM42
COM43
COM44
COM45
COM46
COM47
NON-SELECT*
NON-SELECT*
NON-SELECT*
NC
NC
NC
NC
NC
47 Mux Com
Signal Output
NON-SELECT*
NON-SELECT*
NON-SELECT*
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
COM17
COM18
COM19
COM20
COM21
COM22
COM23
NC
NC
NC
NC
NC
COM24
COM25
COM26
COM27
COM28
COM29
COM30
COM31
COM32
COM33
COM34
COM35
COM36
COM37
COM38
COM39
COM40
COM41
COM42
COM43
COM44
COM45
COM46
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NC
NC
NC
NC
NC
34 Mux Com
Signal Output
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
NC
NC
NC
NC
NC
COM17
COM18
COM19
COM20
COM21
COM22
COM23
COM24
COM25
COM26
COM27
COM28
COM29
COM30
COM31
COM32
COM33
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NC
NC
NC
NC
NC
33 Mux Com
Signal Output
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
COM16
NC
NC
NC
NC
NC
COM17
COM18
COM19
COM20
COM21
COM22
COM23
COM24
COM25
COM26
COM27
COM28
COM29
COM30
COM31
COM32
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NC
NC
NC
NC
NC
32 Mux Com
Signal Output
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
COM8
COM9
COM10
COM11
COM12
COM13
COM14
COM15
NC
NC
NC
NC
NC
COM16
COM17
COM18
COM19
COM20
COM21
COM22
COM23
COM24
COM25
COM26
COM27
COM28
COM29
COM30
COM31
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NON-SELECT*
NC
NC
NC
NC
NC
Remark:
* The ROW will output a Non-Select COM signal.
* NC = No Connection.
SOLOMON
REV 1.2
12/99
SSD1812
5
SSD1812Z Die Pad Coordinates
PAD #
NAME
1
ROW53
2
ROW54
3
ROW55
4
ROW56
5
ROW57
6
ROW58
7
ROW59
8
ROW60
9
ROW61
10
ROW62
11
ROW63
12
ICONS
13
NC
14
MSTAT
15
M
16
CL
17
/DOF
18
VSS
19
/CS1
20
CS2
21
VDD
22
/RES
23
D/C
24
VSS
25
R /W
26
E /RD
27
VDD
28
D0
29
D1
30
D2
31
D3
32
D4
33
D5
34
D6
35
D7
36
VDD
37
VDD
38
VDD
39
VDD
40
VSS
41
VSS
42
VSS
43
VSS1
44
VSS1
45
VSS1
46
VSS1
47
VEE
48
VEE
49
VEE
50
VEE
51
C3N
52
C3N
53
C3N
54
C3N
55
C1P
56
C1P
57
C1P
58
C1N
59
C1N
60
C1N
10.977mm
D ie Size:
Bump Size:
Pad #
X [um]
1 - 12
43.5
13 - 103
61.7
104 - 115
43.5
SSD1812
6
REV 1.2
12/99
X
-4958.45
-4882.15
-4805.85
-4729.55
-4653.25
-4576.95
-4500.65
-4424.35
-4348.05
-4271.75
-4195.45
-4119.15
-4000.50
-3911.60
-3822.70
-3733.80
-3644.90
-3556.00
-3467.10
-3378.20
-3289.30
-3200.40
-3111.50
-3022.60
-2933.70
-2844.80
-2755.90
-2667.00
-2578.10
-2489.20
-2400.30
-2311.40
-2222.50
-2133.60
-2044.70
-1955.80
-1866.90
-1778.00
-1689.10
-1600.20
-1511.30
-1422.40
-1333.50
-1244.60
-1155.70
-1066.80
-977.90
-889.00
-800.10
-711.20
-622.30
-533.40
-444.50
-355.60
-266.70
-177.80
-88.90
0.00
88.90
177.80
X
Y
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
1.912mm
PAD #
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
NAME
C2N
C2N
C2N
C2N
C2P
C2P
C2P
VSS
VSS
VFS
VFS
VDD
VDD
VL2
VL2
VL3
VL3
VL3
VL4
VL4
VL4
VL5
VL5
VL6
VL6
VL6
VF
VF
VDD
VDD
NC
NC
VDD
M /S
CLS
VSS
C68/80
P/S
VDD
/HPM
VSS
IRS
VDD
ROW31
ROW30
ROW29
ROW28
ROW27
ROW26
ROW25
ROW24
ROW23
ROW22
ROW21
ROW20
X
266.70
355.60
444.50
533.40
622.30
711.20
800.10
889.00
977.90
1066.80
1155.70
1244.60
1333.50
1422.40
1511.30
1600.20
1689.10
1778.00
1866.90
1955.80
2044.70
2133.60
2222.50
2311.40
2400.30
2489.20
2578.10
2667.00
2755.90
2844.80
2933.70
3022.60
3111.50
3200.40
3289.30
3378.20
3467.10
3556.00
3644.90
3733.80
3822.70
3911.60
4000.50
4119.15
4195.45
4271.75
4348.05
4424.35
4500.65
4576.95
4653.25
4729.55
4805.85
4882.15
4958.45
Y
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-771.93
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
-751.98
PAD #
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
Y [um]
101.6
61.7
101.6
Pad #
116 - 136
X [um]
101.6
Y [um]
43.5
Pad #
137 - 268
X [um]
43.5
Y [um]
101.6
NAME
ROW19
ROW18
ROW17
ROW16
ROW15
ROW14
ROW13
ROW12
ROW11
ROW10
ROW9
ROW8
ROW7
ROW6
ROW5
ROW4
ROW3
ROW2
ROW1
ROW0
ICONS
X
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
5285.18
Y
-768.78
-692.48
-616.18
-539.88
-463.58
-387.28
-310.98
-234.68
-158.38
-82.08
-5.78
70.53
146.83
223.13
299.43
375.73
452.03
528.33
604.63
680.93
757.23
Y
PIN268
PIN137
x
(0,0)
PIN 1
PIN115
Die Size: 10.977mm X 1.912mm
Bump Height: 18 +/- 4um (Chip to chip),
18 +/- 2um (Within chip)
Pad #
269 - 289
X [um]
101.6
Y [um]
43.5
Gold bump size tolerance: +/-1.5um.
SOLOMON
SSD1812Z Die Pad Coordinates
PAD #
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
SOLOMON
NAME
SEG0
SEG1
SEG2
SEG3
SEG4
SEG5
SEG6
SEG7
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG50
SEG51
SEG52
SEG53
SEG54
SEG55
SEG56
SEG57
SEG58
SEG59
SEG60
SEG61
SEG62
SEG63
SEG64
SEG65
X
4997.65
4921.35
4845.05
4768.75
4692.45
4616.15
4539.85
4463.55
4387.25
4310.95
4234.65
4158.35
4082.05
4005.75
3929.45
3853.15
3776.85
3700.55
3624.25
3547.95
3471.65
3395.35
3319.05
3242.75
3166.45
3090.15
3013.85
2937.55
2861.25
2784.95
2708.65
2632.35
2556.05
2479.75
2403.45
2327.15
2250.85
2174.55
2098.25
2021.95
1945.65
1869.35
1793.05
1716.75
1640.45
1564.15
1487.85
1411.55
1335.25
1258.95
1182.65
1106.35
1030.05
953.75
877.45
801.15
724.85
648.55
572.25
495.95
419.65
343.35
267.05
190.75
114.45
38.15
Y
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
PAD #
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
NAME
SEG66
SEG67
SEG68
SEG69
SEG70
SEG71
SEG72
SEG73
SEG74
SEG75
SEG76
SEG77
SEG78
SEG79
SEG80
SEG81
SEG82
SEG83
SEG84
SEG85
SEG86
SEG87
SEG88
SEG89
SEG90
SEG91
SEG92
SEG93
SEG94
SEG95
SEG96
SEG97
SEG98
SEG99
SEG100
SEG101
SEG102
SEG103
SEG104
SEG105
SEG106
SEG107
SEG108
SEG109
SEG110
SEG111
SEG112
SEG113
SEG114
SEG115
SEG116
SEG117
SEG118
SEG119
SEG120
SEG121
SEG122
SEG123
SEG124
SEG125
SEG126
SEG127
SEG128
SEG129
SEG130
SEG131
X
-38.15
-114.45
-190.75
-267.05
-343.35
-419.65
-495.95
-572.25
-648.55
-724.85
-801.15
-877.45
-953.75
-1030.05
-1106.35
-1182.65
-1258.95
-1335.25
-1411.55
-1487.85
-1564.15
-1640.45
-1716.75
-1793.05
-1869.35
-1945.65
-2021.95
-2098.25
-2174.55
-2250.85
-2327.15
-2403.45
-2479.75
-2556.05
-2632.35
-2708.65
-2784.95
-2861.25
-2937.55
-3013.85
-3090.15
-3166.45
-3242.75
-3319.05
-3395.35
-3471.65
-3547.95
-3624.25
-3700.55
-3776.85
-3853.15
-3929.45
-4005.75
-4082.05
-4158.35
-4234.65
-4310.95
-4387.25
-4463.55
-4539.85
-4616.15
-4692.45
-4768.75
-4845.05
-4921.35
-4997.65
Y
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
751.98
PAD #
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
NAME
ROW32
ROW33
ROW34
ROW35
ROW36
ROW37
ROW38
ROW39
ROW40
ROW41
ROW42
ROW43
ROW44
ROW45
ROW46
ROW47
ROW48
ROW49
ROW50
ROW51
ROW52
X
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
-5285.18
REV 1.2
12/99
Y
757.23
680.93
604.63
528.33
452.03
375.73
299.43
223.13
146.83
70.53
-5.78
-82.08
-158.38
-234.68
-310.98
-387.28
-463.58
-539.88
-616.18
-692.48
-768.78
SSD1812
7
MAXIMUM RATINGS* (Voltages Referenced to VSS, TA=25°C)
Symbol
VDD
Parameter
Supply Voltage
VEE
Vin
I
Input Voltage
Value
Unit
-0.3 to +4.0
V
-4.0 to -12.0
V
VSS-0.3 to VDD+0.3
V
25
mA
Current Drain Per Pin Excluding VDD and
VSS
TA
Operating Temperature
-30 to +85
°C
Tstg
Storage Temperature Range
-65 to +150
°C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional
operation should be restricted to the limits in the Electrical Characteristics tables or Pin Description section.
This device contains circuitry to protect the inputs
against damage due to high static voltages or electric fields; however, it is advised that normal precautions to be taken to avoid application of any voltage
higher than maximum rated voltages to this high
impedance circuit. For proper operation it is recommended that Vin and Vout be constrained to the
range VSS < or = (Vin or Vout) < or = VDD. Reliability
of operation is enhanced if unused input are connected to an appropriate logic voltage level (e.g.,
either VSS or VDD). Unused outputs must be left
open. This device may be light sensitive. Caution
should be taken to avoid exposure of this device to
any light source during normal operation. This
device is not radiation protected.
ELECTRICAL CHARACTERISTICS (Voltage Referenced to VSS, VDD=1.8 to 3.5V, TA=25°C; unless otherwise specified.)
Symbol
Min
Typ
Max
Unit
Logic Circuit Supply Voltage Range
Recommend Operating Voltage
2.4
2.7
3.5
V
Voltage Generator Circuit Supply Voltage Range
Possible Operating Voltage
1.8
-
3.5
IAC
Access Mode Supply Current Drain (VDD Pins)
VDD = 2.7V, Voltage Generator On, 4X Converter
Enabled, Write accessing, Tcyc =3.3MHz, Osc.
Freq.=31kHz, Display On.
-
300
TBD
µA
IDP1
Display Mode Supply Current Drain (VDD Pins)
VDD = 2.7V, VEE = -8.1V, Voltage Generator Disabled, R/W(WR) Halt, Osc. Freq. = 31kHz, Display
On, VL6 - VDD = -8.1V.
-
120
TBD
µA
IDP2
Display Mode Supply Current Drain (VDD Pins)
VDD = 2.7V, VEE = -8.1V, Voltage Generator On, 4x
DC-DC Converter Enabled, R/W(WR) Halt, Osc.
Freq. = 31kHz, Display On, VL6 - VDD = -8.1V.
-
150
TBD
µA
ISB
Standby Mode Supply Current Drain (VDD Pins)
VDD=2.7V, LCD Driving Waveform Off, Osc. Freq. =
31kHz, R/W(WR) halt.
-
3.5
10
µA
Sleep Mode Supply Current Drain (VDD Pins)
VDD = 2.7V, LCD Driving Waveform Off, Oscillator
Off, R/W(WR) halt.
-
0.2
5
µA
LCD Driving Voltage Generator Output
(VEE Pin)
Display On, Voltage Generator Enabled,
DC/DC Converter Enabled, Osc. Freq.=31KHz,
Regulator Enabled, Divider Enabled.
-12.0
-
-1.8
V
VLCD
LCD Driving Voltage Input (VEE Pin)
Voltage Generator Disabled.
-12.0
-
-1.8
V
VOH1
Output High Voltage
(D0-D7)
Iout=100µA
0.9*VDD
-
VDD
V
VOL1
Output Low Voltage
(D0-D7)
Iout=100µA
0
-
0.1*VDD
V
VL6
LCD Driving Voltage Source (VL6 Pin)
Regulator Enabled (VL6 voltage depends on Int/Ext
Contrast Control)
VEE-0.5
-
VDD
V
VL6
LCD Driving Voltage Source (VL6 Pin)
Regulator Disable
-
Floating
-
V
VDD
ISLEEP
VEE
Parameter
SSD1812
8
REV 1.2
12/99
Test Condition
SOLOMON
ELECTRICAL CHARACTERISTICS (Voltage Referenced to VSS, VDD=1.8 to 3.5V, TA=25°C; unless otherwise specified.)
Symbol
VIH1
Parameter
Test Condition
Input high voltage
Min
Typ
Max
Unit
0.8*VDD
-
VDD
V
0
-
0.2*VDD
V
(RES, D0-D7,R/W(WR), D/C)
VIL1
Input Low voltage
(RES, CS1,CS2, D0-D7, R/W(WR), D/C, S/P)
VL2
VL3
VL4
VL5
VL6
LCD Display Voltage Output
(VL2, VL3, VL4, VL5, VL6 Pins)
Voltage reference to VDD, Smart Bias Divider
Enabled, 1:6 bias ratio
-
1/6*VL6
2/6*VL6
4/6*VL6
5/6*VL6
VL6
-
V
V
V
V
V
VL2
VL3
VL4
VL5
VL6
LCD Display Voltage Output
(VL2, VL3, VL4, VL5, VL6 Pins)
Voltage reference to VDD, Smart Bias Divider
Enabled, 1:8 bias ratio
-
1/8*VL6
2/8*VL6
6/8*VL6
7/8*VL6
VL6
-
V
V
V
V
V
VL2
VL3
VL4
VL5
VL6
LCD Display Voltage Input
(VL2, VL3,VL4, VL5, VL6 Pins)
Voltage reference to VDD, External Voltage Generator, Smart Bias Divider Disabled
VL3
VL4
VL5
VL6
-12V
-
VDD
VL2
VL3
VL4
VL5
V
V
V
V
V
IOH
Output High Current Source
(D0-D7)
Vout=VDD-0.4V
50
-
-
µA
IOL
Output Low Current Drain
(D0-D7)
Vout=0.4V
-
-
-50
µA
IOZ
Output Tri-state Current Drain Source
(D0-D7)
-1
-
1
µA
IIL/IIH
Input Current
(RES, D0-D7, R/W(WR), D/C, S/P)
-1
-
1
µA
Input Capacitance
(all logic pins)
-
5
7.5
pF
Regulator Enabled, Internal Contrast Control
Enabled, Set Contrast Control Register = 0
-
±3
-
%
Voltage Regulator Enabled
Voltage Regulator Enabled
Voltage Regulator Enabled
Voltage Regulator Enabled
Voltage Regulator Enabled
Voltage Regulator Enabled
Voltage Regulator Enabled
Voltage Regulator Enabled
0
-0.01
TBD
-0.10
TBD
-0.18
TBD
TBD
-0.25
-0.075
%/C
%/C
%/C
%/C
%/C
%/C
%/C
%/C
CIN
∆VL6
Variation of VL6 Output (VDD is fixed)
Temperature Coefficient Compensation
PTC0
PTC1
PTC2
PTC3
PTC4
PTC5
PTC6
PTC7
Flat Temperature Coefficient [POR]
Temperature Coefficient 1*
Temperature Coefficient 2*
Temperature Coefficient 3*
Temperature Coefficient 4*
Temperature Coefficient 5*
Temperature Coefficient 6*
Temperature Coefficient 7*
-0.075
-0.15
-0.20
-0.15
-0.20
* The formula for the temperature coefficient is:
TC(%)=
Vref at 50°C - Vref at 0°C
X
50°C - 0°C
SOLOMON
1
X100%
Vref at 25°C
REV 1.2
12/99
SSD1812
9
AC ELECTRICAL CHARACTERISTICS (TA=25°C, Voltage referenced to VSS, AVDD=DVDD=3V: unless otherwise specified.)
Symbol
Parameter
Test Condition
FOSC
Oscillation Frequency of Display Timing Generator
Internal Oscillator Enabled
FFRM
Frame Frequency
Display ON, Set 132X 54 Graphic Display
Mode
SSD1812
10
REV 1.2
12/99
Min
27
-
Typ
Max
Unit
31
35
kHz
-
Hz
FOSC
8*55
SOLOMON
TABLE 3. Parallel Timing Characteristics (TA=25°C, VDD=2.7V, VSS=0V)
Symbol
tcycle
Parameter
Clock Cycle Time
Min
Typ
Max
Unit
300
-
-
ns
tAS
Address Setup Time
0
-
-
ns
tAH
Address Hold Time
0
-
-
ns
tDSW
Write Data Setup Time
40
-
-
ns
tDHW
Write Data Hold Time
15
-
-
ns
tDHR
Read Data Hold Time
20
-
-
ns
tOH
Output Disable Time
-
-
70
ns
tACC
PWCSL
PWCSH
-
-
140
ns
Chip Select Low Pulse Width (read)
Access Time
120
-
-
ns
Chip Select Low Pulse Width (write)
60
-
-
ns
Chip Select High Pulse Width (read)
60
-
-
ns
Chip Select High Pulse Width (write)
60
-
-
ns
tR
Rise Time
-
-
15
ns
tF
Fall Time
-
-
15
ns
R/W
D/C
tAH
tAS
E
tcycle
PWCSL
PWCSH
CS1
(CS2=1)
tR
tF
tDSW
D0-D7
(Write data to driver)
Valid Data
tACC
D0-D7
(Read data from driver)
tDHW
tDHR
Valid Data
tOH
Figure 1. Parallel 6800-series Interface Timing Characteristics
SOLOMON
REV 1.2
12/99
SSD1812
11
TABLE 4. Parallel Timing Characteristics (TA=25°C, VDD=2.7V, VSS=0V)
Symbol
tcycle
Parameter
Min
Clock Cycle Time
Typ
Max
Unit
300
-
-
ns
0
-
-
ns
Address Hold Time
0
-
-
ns
Write Data Setup Time
20
-
-
ns
tDHW
Write Data Hold Time
40
-
-
ns
tDHR
Read Data Hold Time
20
-
-
ns
tOH
Output Disable Time
-
-
70
ns
tACC
Access Time
-
-
140
ns
Chip Select Low Pulse Width (read)
120
-
-
ns
Chip Select Low Pulse Width (write)
60
-
-
ns
Chip Select High Pulse Width (read)
60
-
-
ns
Chip Select High Pulse Width (write)
60
-
-
ns
tAS
Address Setup Time
tAH
tDSW
PWCSL
PWCSH
tR
Rise Time
-
-
15
ns
tF
Fall Time
-
-
15
ns
D/C
tAH
tAS
WR
RD
tcycle
PWEL
PWEH
CS1
(CS2=1)
tR
tF
(Read data from driver)
tDSW
D0-D7
(Write data to driver)
Valid Data
tACC
D0-D7
tDHW
tDHR
Valid Data
tOH
Figure 2. Parallel 8080-series Interface Timing Characteristics
SSD1812
12
REV 1.2
12/99
SOLOMON
TABLE 5. Serial Timing Characteristics (TA=25°C, DVDD=2.7V, VSS=0V)
Symbol
tcycle
Parameter
Min
Typ
Max
Unit
Clock Cycle Time
400
-
-
ns
tAS
Address Setup Time
250
-
-
ns
tAH
Address Hold Time
250
-
-
ns
tCSS
Chip Select Setup Time
250
-
-
ns
tCSH
Chip Select Hold Time
250
-
-
ns
tDSW
Write Data Setup Time
150
-
-
ns
tDHW
Write Data Hold Time
150
-
-
ns
tCLKL
Clock Low Time
150
-
-
ns
Clock High Time
tCLKH
150
-
-
ns
tR
Rise Time
-
-
15
ns
tF
Fall Time
-
-
15
ns
D/C
tAH
tAS
CS1
(CS2=1)
tCSS
tCSH
tcycle
tCLKL
tCLKH
SCK
tR
tF
tDSW
SDA
tDHW
Valid Data
Figure 3. Serial Timing Characteristics
SOLOMON
REV 1.2
12/99
SSD1812
13
PIN DESCRIPTIONS
M/S
This pin is master/slave mode selection input. When this pin is pulled
high, master mode is selected and CL, M, MSTAT and DOF will be output
to slave devices. When pulled low, slave mode is selected. CL, M, DOF are
required to be input from master device while MSTAT is high impedance.
M
This pin is the frame signal input/output. In master mode, the pin supplies
frame signal to slave devices while in slave mode, the pin receives frame
signal from the master device.
MSTAT
This pin is used together with M in master operation for static drive output. It becomes high impedance in slave mode operation.
CL
This pin is the display clock input/output. In master mode, the pin supplies display clock signal to slave devices while in slave mode, the pin
receives display clock signal from the master device.
DOF
This pin is LCD blanking control input/output. In master mode, the pin
supplies on/off signal to slave devices. In slave mode, the pin receives on/
off signal from the master device.
CLS
This pin is a internal clock enable input pin. When this pin is high, the
internal clock is enabled. The internal clock will be disabled when it is low,
an external clock should be input to CL pin.
RES
This pin is reset signal input. When the pin is low, initialization of the chip
is executed.
P/S
This pin is serial/parallel interface select input. When P/S is high, parallel
mode is selected and when P/S is low, serial mode is selected. In serial
mode, only write operation is allowed.
CS1, CS2
These pin are chip select inputs. The chip is enabled for data operation
only when CS1 is low and CS2 is high.
C68/80
This pin is microprocessor interface select input. When the pin is high,
6800 series interface is selected and when the pin is low, 8080 series interface is selected.
D0-D7
These pins are 8-bit bi-directional data bus to be connected to the microprocessor’s data bus. When serial mode is selected, D7 is the serial data
input SDA and D6 is the serial clock input SCK.
D/C
This pin is control/display data input control flag. When the pin is high,
the data on D0-D7 is display data. When the pin is low, the data on D0-D7 is
control data.
R/W(WR)
This pin is microprocessor interface signal. When interfacing to an 6800series microprocessor, the signal indicates read mode when high and write
mode when low. When interfacing to an 8080-microprocessor, a data write
operation is initiated when R/W(WR) is low and the chip is selected.
E(RD)
This pin is microprocessor interface signal. When interfacing to an 6800series microprocessor, a data operation is initiated when E(RD) is high and
the chip is selected. When interfacing to an 8080-microprocessor, a data
read operation is initiated when E(RD) is low and the chip is selected.
SSD1812
14
REV 1.2
12/99
VDD
Power supply pin.
VSS
Ground.
VSS1
Reference voltage input for internal DC-DC converter. The voltage of
generated VEE equals to the multiple factor (2X, 3X or 4X) times the protential different between this pin, VSS1, and VDD. All generated voltage is
referenced toVDD.
Note: voltage at this input pin must less than or equal to VSS.
VEE
This is the most negative voltage supply pin of the chip. It can be supplied externally or generated by the internal DC-DC converter.
When using internal DC-DC converter as generator, voltage at this pin
is for internal reference only. It CANNOT be used for driving external circuitries.
C3N, C1P, C1N, C2P and C2N
When internal DC-DC voltage converter is used, external capacitor(s)
is/are connected among these pins.
VL6
This pin is the most negative LCD driving voltage. It can be supplied
externally or generated by the internal regulator.
VF
This pin is an input of the internal voltage regulator. When internal regulator is used to generate VL6, external resistors are connected between
VDD and VF, and VF and VL6, respectively (see application circuit).
VFS
This pin is an input to provide an external voltage reference for the
internal voltage regulator. It is only enabled in External Input chip options.
IRS
This pin is an input pin to enable the internal resistors network for the
voltage regulator when IRS is high. When it is low, the external resistors
R1/R2 should be connected to VL6 and VF.
HPM
This pin is an input pin to enable the high power current mode when it is
low. The contrast curves in High Power Mode will be different to Normal
Mode. Details of the High Power Mode Contrast curve is TBD.
VL2, VL3, VL4 and VL5 (Voltages referenced to VDD)
LCD driving voltages. They can be supplied externally or generated by
the internal smart bias divider. They have the following relationship:
VDD > VL2 > VL3 > VL4 > VL5 > VL6
1:6 bias
1:8 bias
VL2
1/6*VL6
1/8*VL6
VL3
2/6*VL6
2/8*VL6
VL4
4/6*VL6
6/8*VL6
VL5
5/6*VL6
7/8*VL6
ROW0 - ROW63
These pins provide the row driving signal COM0 - COM53 to the LCD
panel. See Table.1 about the COM signal mapping in different multiplex
ratio N.
ICONS
This pin is the special icons line.
SEG0 - SEG131
These pins provide the LCD column driving signal. Their voltage level is
VDD during sleep mode and standby mode.
SOLOMON
OPERATION OF LIQUID CRYSTAL DISPLAY DRIVER
Description of Block Diagram Module
Command Decoder and Command Interface
This module determines whether the input data is interpreted as
data or command. Data is directed to this module based upon the
input of the D/C pin. If D/C is high, data is written to Graphic Display
Data RAM (GDDRAM). If D/C is low, the input at D0-D7 is interpreted
as a Command and it will be decoded and written to the corresponding command register.
Reset is of the same function as Power ON Reset (POR). Once
RES receives a negative reset pulse of about 1us, all internal circuitry
will be back to its initial status. Refer to Command Description section
for more information.
MPU Parallel 6800-series Interface
The parallel interface consists of 8 bi-directional data pins (D0-D7),
R/W(WR), D/C, E(RD), CS1 and CS2. R/W(WR) input High indicates
a read operation from the Graphic Display Data RAM (GDDRAM) or
the status register. R/W(WR) input Low indicates a write operation to
Display Data RAM or Internal Command Registers depending on the
status of D/C input. The E(RD) input serves as data latch signal
(clock) when high provided that CS1 and CS2 are low and high
respectively. Refer to Figure 1 of parallel timing characteristics for
Parallel Interface Timing Diagram of 6800-series microprocessors.
In order to match the operating frequency of display RAM with that
of the microprocessor, some pipeline processing is internally performed which requires the insertion of a dummy read before the first
actual display data read. This is shown in Figure 4 below.
MPU Parallel 8080-series interface
The parallel interface consists of 8 bi-directional data pins (D0-D7),
E(RD), R/W(WR), D/C, CS1 and CS2. E(RD) input serves as data
read latch signal (clock) when low provided that CS1 and CS2 are
low and high respectively. Whether it is display data or status register read is controlled by D/C. R/W(WR) input serves as data write
latch signal(clock) when high provided that CS1 and CS2 are low
and high respectively. Whether it is display data or command register write is controlled by D/C. Refer to Figure 2 of parallel timing
characteristics for Parallel Interface Timing Diagram of 8080-series
microprocessor.
Similar to 6800-series interface, a dummy read is also required
before the first actual display data read.
MPU Serial interface
The serial interface consists of serial clock SCK, serial data SDA,
D/C, CS1 and CS2. SDA is shifted into a 8-bit shift register on every
rising edge of SCL in the order of D7, D6,... D0. D/C is sampled on
every eighth clock and the data byte in the shift register is written to
the Display Data RAM or command register in the same clock.
R/W(WR)
E(RD)
data bus
n
N
write column address
dummy read
data read1
n+1
n+2
data read 2
data read 3
Figure 4: display data read with the insertion of dummy read
Graphic Display Data RAM (GDDRAM)
The GDDRAM is a bit mapped static RAM holding the bit pattern
to be displayed. The size of the RAM is 132 x 65= 8580 bits. Figure 5
is a description of the GDDRAM address map. For mechanical flexibility, re-mapping on both Segment and Common outputs are pro-
SOLOMON
vided. For vertical scrolling of display, an internal register storing the
display start line can be set to control the portion of the RAM data to
be mapped to the display. Figure 5 shows the case in which the display start line register is set at 38H.
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Column address 00H
(83H) Segment Remap Enabled
Column address 83H
(00H)
COM SCAN MODE
NORMAL (REMAPPED)
COM8 (COM45)
LSB [D0]
Page 0
MSB [D7]
LSB
Page 1
MSB
LSB
Page 2
MSB
LSB
Page 3
MSB
LSB
Page 4
MSB
LSB
Page 5
COM53 (COM0)
MSB
LSB
Page 6
MSB
LSB
38H
COM0 (COM53)
Page 7
MSB
COM7 (COM46)
Page 8 (LSB)
ICONS
SEG0
Note:
SEG131
The configuration in parentheses represent the non-remapping of Rows and Columns
Figure 5. Graphic Display Data RAM (GDDRAM) Address Map (with display start line value 38H)
For 132 X 54 Graphic Display Mode
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Oscillator Circuit
This module is an On-Chip low power RC oscillator circuitry
(Figure 6). The oscillator generates the clock for the DC-DC voltage
converter. This clock is also used in the Display Timing Generator.
Oscillator enable (CLS)
enable
enable
Oscillation Circuit
Buffer
(CL)
OSC2
OSC1
Internal pwell resistor
Figure 6. Oscillator Circuitry
LCD Driving Voltage Generator and Regulator
This module generates the LCD voltage needed for display output.
It takes a single supply input and generate necessary bias voltages.
It consists of:
1. 2X, 3X and 4X DC-DC voltage converter
Please refer to application notes.
Level Selector
Level Selector is a control of the display synchronization. Display
voltage can be separated into two sets and used with different
cycles. Synchronization is important since it selects the required LCD
voltage level to the HV Buffer Cell, which in turn outputs the COM or
SEG LCD waveform.
2. Voltage Regulator (Voltages referenced to VDD)
Feedback gain control for initial LCD voltage. External resistors
are connected between VDD and VF, and between VF and VL6.
These resistors are chosen to give the desired VL6 according to
the following equation:
VL6 = (1 + R2/R1)Vref
where Vref is the internally generated reference voltage with a
known R1 and R2, and Vref can be calculated by a measured VL6.
R1 and R2 are the resistance values of the resistors between VDD
and VF, and VF and VL6, respectively.
3. Smart Bias Divider
Divide the regulator output to give the LCD driving voltages (VL2 VL5). This is a low power consumption circuit which saves most of
the display current.
4. Contrast Control (Voltages referenced to VDD)
Software control of 64 voltage levels of LCD voltage.
5. Bias Ratio Selection circuitry
Software control of 1/6 and 1/8 bias ratio to match the characteristic of LCD panel. In addition, 1/4, 1/5, 1/7 and 1/9 bias ratios are
software selectable for any mux application.
6. Self adjust temperature compensation circuitry
Provide 8 different compensation grade selections to satisfy the
various liquid crystal temperature grades. The grading can be
selected by software control. Defaulted temperature coefficient
(TC) value is -0.05%/oC.
HV Buffer Cell (Level Shifter)
HV Buffer Cell works as a level shifter which translates the low
voltage output signal to the required driving voltage. The output is
shifted out with an internal FRM clock which comes from the Display
Timing Generator. The voltage levels are given by the level selector
which is synchronized with the internal M signal.
Reset Circuit
When RES input is low, the chip is initialized with the following status:
1. Display is OFF
2. 132x48 [Not included ICONS line] Display Mode
3. Normal segment and display data column address mapping
(SEG0 mapped to address 00H)
4. Read-modify-write mode is OFF
5. Power control register is set at 000B.
6. Shift register data clear in serial interface
7. Bias ratio is set at 1/8
8. Static indicator is OFF
9. Display start line is set at display RAM address 0
10. Column address counter is set at 0
11. Page address is set at 0
12. Normal scan direction of the COM outputs
13. Internal Regulator Resistor Ratio at 4
14. Contrast control register is set at 20H
15. Test mode is OFF
16. Temperature Coefficient is set to PTC0
187 Bit Latch
A register carries the display signal information. In 132 X 55 display
mode. Data will be fed to the HV-buffer Cell and level-shifted to the
required level.
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COM0
COM1
COM2
COM3
COM4
COM5
COM6
COM7
LCD Panel Driving Waveform
SEG0
SEG1
SEG2
SEG3
SEG4
The following is an example of how the Common and Segment
drivers may be connected to a LCD panel. The waveforms shown in
Figure 7a and 7b illustrate the desired multiplex scheme.
Figure 7a. LCD Display Example “0”
TIME SLOT
1 2 3 4 5 6 7 8 9
*
. . . N+1
1 2 3 4 5 6 7 8 9
*
. . . N+1
1 2 3 4 5 6 7 8 9
*
. . . N+1
1 2 3 4 5 6 7 8 9
*
. . . N+1
VDD
VL2
VL3
COM0
VL4
VL5
VL6
VDD
VL2
VL3
COM1
VL4
VL5
VL6
VDD
VL2
VL3
SEG0
VL4
VL5
VL6
VDD
VL2
VL3
SEG1
VL4
VL5
VL6
M
* Note : N is the number of multiplex ratio not included Icon, N is equal to 54 on POR.
Figure 7b. LCD Driving Signal from SSD1812
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Command Description
Set Display On/Off
This command alternatively turns the display on and off. When display
off is issued with entire display on, power save mode will be entered. See
“Set Power Save Mode” for details.
Set Display Start Line
This command is to set Display Start Line register to determine
starting address of display RAM to be displayed by selecting a value
from 0 to 63. With value equals to 0, D0 of Page 0 is mapped to COM0.
With value equals to 1, D1 of Page0 is mapped to COM0. The display
start line values of 0 to 63 are assigned to Page 0 to 7.
Set Page Address
This command positions the page address to 0 to 8 possible positions
in GDDRAM. Refer to figure 5.
Set Higher Column Address
This command specifies the higher nibble of the 8-bit column address
of the display data RAM. The column address will be incremented by
each data access after it is pre-set by the MCU.
Set Lower Column Address
This command specifies the lower nibble of the 8-bit column address
of the display data RAM. The column address will be incremented by
each data access after it is pre-set by the MCU.
Set Segment Re-map
This commands changes the mapping between the display data column address and segment driver. It allows flexibility in layout during LCD
module assembly. Refer to figure 5.
Software Reset
This command causes some of the internal status of the chip to be
initialized:
1. Display is OFF
3. Normal segment and display data column address mapping
(SEG0 mapped to address 00H)
4. Read-modify-write mode is OFF
5. Power control register is set at 0
6. Bias ratio is set at 1/8
7. Static indicator is OFF
8. Display start line is set at display RAM address 0
9. Column address counter is set at 0
10. Page address is set at 0
11. Normal scan direction of the COM outputs
12. Internal Regulator Resistor Ratio at 4
13. Contrast control register is set at 20H
14. Test mode is OFF
Set COM Output Scan Direction
This command sets the scan direction of the COM output allowing
layout flexibility in LCD module assembly.
Set Power Control Register
This command turns on/off the various power circuits associated
with the chip.
Set Internal Regulator Resistors Ratio
This command is to enable any one of the eight internal resistor
sets for different regulator gain when using internal regulator resistor
network (IRS pin pulled high). The relationship between the VL6 and
the 64 levels of contrast step is TBD.
Set LCD Bias
This command selects a suitable bias ratio (1/6 or 1/8) required for
driving the particular LCD panel in use. The POR default for SSD1812 is
set to 1/8 bias. For setting 1/4, 1/5, 1/7 and 1/9 bias, an extended compound command should be used.
Set Read-Modify-Write Mode
This command puts the chip in read-modify-write mode in which:
1. the column address is saved before entering the mode
2. the column address is incremented by display data write but not by
display data read
Set End of Read-Modify-Write Mode
This command relieves the chip from read-modify-write mode. The
column address that is saved before entering read-modify-write mode
will be restored.
SOLOMON
3FH
20H
0
D
X2X1X0
000
TB
VL6 [V]
Set Entire Display On/Off
This command forces the entire display, including the icon row, to be
“ON” regardless of the contents of the display data RAM. This command
has priority over normal/reverse display. This command will be used with
“Set Display Display ON/OFF” command to form a compound command
for entering power save mode. See “Set Power Save Mode”.
00H
Internal Contrast Registor
Set Normal/Reverse Display
This command sets the display to be either normal/reverse. In normal display, a RAM data of 1 indicates an “ON”pixel while in reverse display, a RAM data of 0 indicates an “ON”pixel. In icon mode, the icon line
is not reversed by this command.
-12V
Internal Regulator
Resistors Ratio Command:
00100X2X1X0
001
010
011
1 0 0 (POR)
101
110
111
Set Contrast Control Register
This commands adjusts the contrast of the LCD panel by changing
VL6 of the LCD drive voltage provided by the On-Chip power circuits.
VL6 is set with 64 steps (6-bit) contrast control register. It is a compound commands:
Set Contrast Control Register
Contrast Level Data
No
Changes
Complete?
Yes
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Set Indicator On/Off
This command turns on and off the static drive indicators. It also controls whether standby mode or sleep mode will be entered after the
power save compound command. See “Set Power Save Mode”.
When the “Set Indicator On” command is sent, the “Indicator Display
Mode” must be followed in the next command. The “Set Indicator Off”
command is a single byte command and no following command is
required.
Set Power Save Mode
To enter Standby or Sleep Mode, it should be done by using a compound command composed of “Set Display ON/OFF” and “Set Entire
Display ON/OFF” commands. When “Set Entire Display ON” is issued
during display is OFF, either Standby Mode or Sleep Mode will be
entered.
The status of the Static Indicator will determine which power save
mode is entered. If static indicator is off, the Sleep Mode will be entered:
1. Internal oscillator and LCD power supply circuits are stopped
2. Segment and Common drivers output VDD level
3. The display data and operation mode before sleep are held
4. Internal display RAM can still be accessed
If the static indicator is on, the chip enters Standby Mode which is similar to sleep mode except:
1. the internal oscillator is on
2. the static drive system is on
Note also that if the software reset command is issued during Standby
Mode, Sleep Mode will be entered. Both power save modes can be
exited by the issue of a new software command or by pulling Low at
hardware pin RES.
NOP
No Operation Command
Set Test Mode
This command force the driver chip into its test mode for internal
testing of the chip. Under normal operation, user should NOT use this
command.
Set Temperature Coefficient (TC) Value
This command is to set 1 out of 8 different temperature coefficients
in order to match various liquid crystal temperature grades.
Set 1/4 Bias Ratio
This command sets the bias ratio directly to 1/4 bias. This ratio is
especially for use in under 12mux display.
In order to restore to other bias ratio, this command must be executed,
with LSB=0, before the “Set Multiplex ratio” or “Set LCD Bias” command
is sent.
Set Display Offset
This command should be sent ONLY when the multiplex ratio is set
less than 54.
When the mulitplex ratio less than 54 is set, the display will be mapped
in the middle (y-direction) of the LCD, see Table 1. Use this command
could move the display vertically within the 54 commons.
To make the Reduced-Mux Com 0 (Com 0 after reducing the multiplex
ratio) towards the Row 0 direction for L lines, the 6-bit data in second command should be given by L.
To move in the other direction by L lines, the 6-bit data should be given
by 64-L.
Please note that the display is confined within the un-reduced 54 mux.
That is maximum value of L is given by the half of 54 minus the reducedmultiplex ratio. For an odd display mux after reduction, moving away from
Row 0 direction will has 1 more step.
Set Smart Icon Mode
This command is used to enter/leave the Smart Icon Mode.
In Smart Icon Mode, Entire display will be turned off except the Icon
row.
Set RAM Page Blinking
This command enable the whole page to blink in the frequency set by
“Set RAM Page Blinking Freq.”command.
Setting either bit(s) in the data given in the second command will force
cooresponding page to blink. LSB of the data points to Page 0 and so on
to MSB for Page 7.
Status register Read
This command is issued by setting D/C Low during a data read (refer
to figure 1 and 2 parallel interface waveform). It allows the MCU to monitor
the internal status of the chip. No status read is provided for serial mode.
EXTENDED COMMANDS
These commands are used, in addition to basic commands, to trigger the
enhanced features, on top of general ones, designed for the chip.
Set Multiplex Ratio
This command switches default 54 multiplex mode to any multiplex
mode from 1 to 54. The chip pads ROW0-ROW63 will be switched to
corresponding COM signal output, see Table 1.
Set RAM Page Blinking Freq.
This command sets the blinking frequency of blinking page(s) which is
set using the “Set RAM Page Blinking” extended command.
Set Bias Ratio
Except the 1/4 bias, all the available bias ratio (1/5, 1/6, 1/7, 1/8, 1/9)
could be set using this command. When changing the display multiplex
ratio, the bias ratio also need to be adjusted to make display contrast
consistent.
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SOLOMON
COMMAND TABLE
Bit Pattern
Write Command
Comment
(D/C=0, R/W(WR)=0, E(RD)=1)
1010111X0
Set Display On/Off
X0=0: turns off LCD panel (POR)
X0=1: turns on LCD panel
01X5X4X3X2X1X0
Set Display Start Line
Set display RAM display start line register from 0-63 using
X 5X 4X 3X 2X 1X 0.
Display start line register is reset to 000000 during POR.
1011X3X2X1X0
Set Page Address
Set GDDRAM Page Address (0-8) using X3X2X1X 0
0001X3X2X1X0
Set Higher Column Address
Set the higher nibble of the colume address register using
X3X2X1X0 as data bits. The initial display line register is reset to
0000 during POR.
0000X3X2X1X0
Set Lower Column Address
Set the lower nibble of the colume address register using
X3X2X1X0 as data bits. The initial display line register is reset to
0000 during POR.
1010000X0
Set Segment Re-map
X0=0: column address 00H is mapped to SEG0 (POR)
X0=1: column address 83H is mapped to SEG0
1010011X0
Set Normal/Reverse Display
X0=0: normal display (POR)
X0=1: reverse display
1010010X0
Set Entire Display On/Off
X0=0: normal display (POR)
X0=1: entire display on
1010001X0
Set LCD Bias
X0=0: 1/8 bias (POR)
X0=1: 1/6 bias
For setting bias ratio to 1/4, 1/5, 1/7 or 1/9, see Extended Command Table.
11100000
Set Read-Modify-Write Mode
Read-modify-write mode will be entered in which the column
address will not be incremented during display data read
11101110
Set End of Read-Modify-Write Mode
Exit Read-modify-write mode. Column address before entering
the mode will be restored
11100010
Software Reset
Initialize the internal status
1100X3 * * *
Set COM Output Scan Direction
X3=0: normal mode (POR)
X3=1: remapped mode. COM0 to COM[N-1] becomes COM[N-1]
to COM0 in Multiplex ratio is equal to N. See Fig.5 as an
example for N equal to 54.
00101X2X1X0
Set Power Control Register
X0=0: turns off the output op-amp buffer (POR)
X0=1: turns on the output op-amp buffer
X1=0: turns off the internal regulator (POR)
X1=1: turns on the internal regulator
X2=0: turns off the internal voltage booster (POR)
X2=1: turns on the internal voltage booster
00100X2X1X0
Set Internal Regulator Resistor Ratio
Internal regulator gain increases as X2X1X0 increased from 000b
to 111b. X2X 1X 0 = 100b (POR)
10000001
Set Contrast Control Register
Set Contrast level from 64 contrast steps. Contrast increases as
X5X4X3X2X1X0 is increased.
X5X4X3X2X1X0 = 100000b (POR)
1010110X0
Set Indicator On/Off
X0 = 0: indicator off (POR, no need of second command byte)
X0 = 1: indicator on (second command byte required)
* * * * * * X1X 0
Indicator Display Mode,
********
Set Power Save Mode
Standby or sleep mode will be entered with compound commands
11100011
NOP
Command for No Operation
1111 * * * *
Set Test Mode
Reserved for IC testing. Do NOT use.
11110000
Test Mode Reset
Reserved for IC testing. Do NOT use.
Refer to Fig. 5 for details.
* * X 5X 4X 3X 2X 1X 0
SOLOMON
X1X0 = 00: indicator off
X1X0 = 01: indicator on and blinking at ~1 second interval
This second byte command is required X X = 10: indicator on and blinking at ~1/2 second interval
1 0
ONLY when “Set Indicator On” com- X1X0 = 11: indicator on constantly
mand is sent.
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Bit Pattern
Comment
Read Command
(D/C=0, R/W(WR)=1, E(RD)=0)
D7D6D5D4D3D2D1D0
Status Register Read
D7=0: indicates an internal operation is completed.
D7=1: indicates an internal operation is in progress.
D6=0: indicates normal segment mapping with column address
D6=1: indicates reverse segment mapping with column address
D5=0: indicates the display is ON
D5=1: indicates the display is OFF
D4=0: initialization is not in progress
D4=1: initialization is in progress after RES or software reset
(Data Read Back from the
driver)
D3D2D1D0 = 1010, these 4-bit is fixed to 1010 which could be
used to identify as Solomon Systech Device.
Data Read / Write
To read data from the GDDRAM, input High to R/W(WR) pin and D/C pin for 6800-series parallel mode, Low to E(RD) pin and High to D/
C pin for 8080-series parallel mode. No data read is provided for serial mode. In normal mode, GDDRAM column address pointer will be
increased by one automatically after each data read. However, no automatic increase will be performed in read-modify-write mode. Also, a
dummy read is required before the first data read. See Figure 4 in Functional Description.
To write data to the GDDRAM, input Low to R/W(WR) pin and High to D/C pin for 6800-series parallel mode. For serial interface, it will
always be in write mode. GDDRAM column address pointer will be increased by one automatically after each data write.
Address Increment Table (Automatic)
D/C
R/W(WR) Comment
Address Increment
0
0
Write Command
No
0
1
Read Status
No
1
0
Write Data
Yes
1
1
Read Data
Yes
Remarks
*1
Address Increment is done automatically after data read write. The column address pointer of GDDRAM*2 is affected.
Remarks: *1. If read data is issued in read-modify-write mode, address increase is not applied.
*2. Column Address will NOT wrap round when overflow.
Commands Required for R/W(WR) Actions on RAM
R/W(WR) Actions on RAMs
Commands Required
Read/Write Data from/to GDDRAM.
Set GDDRAM Page Address
(1011X 3X 2X 1X 0)*
Set GDDRAM Column Address
(0001X 3X 2X 1X 0)*
(0000X 3X 2X 1X 0)
Read/Write Data
Save/Restore GDDRAM Column Address.
(X7X6X 5X 4X 3X 2X 1X 0)
Save GDDRAM Column Address by read-modify- (11100000)
write mode
Restore GDDRAM Column Address by end of read- (11101110)
modify-write mode
* No need to resend the command again if it is set previously.
The read / write action to the Display Data RAM does not depend on the display mode. This means the user can change the RAM content
whether the target RAM content is being displayed or not.
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EXTENDED COMMAND TABLE
Bit Pattern
Command
Comment
10101000
X5X4X 3X 2X 1X 0 : Set Multiplex Ratio
To select multiplex ratio N from 2 to 55 [Included Icon Line].
X 7X 6X 5X 4X 3X 2X 1X 0
N = X 5X 4X 3X 2X 1X 0 + 2, eg. N = 110101b + 2 = 55 (POR)
X7X6 : Set RAM Page Blinking Freq.
X7X 6 = 00: 1.00sec (POR)
X7X 6 = 01: 0.50sec
X7X 6 = 10: 0.25sec
X7X 6 = 11: always off
10101001
X1X0 : Set Bias Ratio
010X4X3X2X1X0
X1X 0 = 00: 1/8, 1/6 (POR)
X1X 0 = 01: 1/6, 1/5
X1X 0 = 10: 1/9, 1/7
X1X 0 = 11: Prohibited
X4X3X 2: Set TC Value
X4X 3X 2 = 000: -0.01%/C (POR)
X4X 3X 2 = 001: Reserved
X4X 3X 2 = 010: -0.10%/C
X4X 3X 2 = 011: Reserved
X4X 3X 2 = 100: -0.18%/C
X4X 3X 2 = 101: Reserved
X4X 3X 2 = 110: Reserved
X4X 3X 2 = 111: -0.25%/C
1010101X0
X0: Set 1/4 Bias Ratio
X0 = 0: use original setting (POR)
X0 = 1: fixed 1/4 bias
11010010
Set Test Mode
Reserved for IC testing. Do NOT use.
X5X4X 3X 2X 1X 0: Set Display Offset
After POR, X5X4X3X2X1X0 = 0
X 7X 6X 5X 4X 3X 2X 1X 0
11010011
00X5X4X3X2X1X0
(for mux ratio has been After setting mux ratio less than 54, data will be displayed at Center
set less than 54 only)
of matrix. See Table 1.
To move display towards Row 0 by L, X5X4X3X2X1X 0 = L
To move display away from Row 0 by L, X5X4X3X2X1X 0 = 64-L
Note: max. value of L = (54 - display mux)/2
1101000X0
X0: Set Smart Icon Mode
X0 = 0: Normal display mode (POR)
X0 = 1: Smart Icon Mode
11010100
Set Test Mode
Reserved for IC testing. Do NOT use.
X 7X 6X 5X 4X 3X 2X 1X 0
11010101
X 7X 6X 5X 4X 3X 2X 1X 0
SOLOMON
Set RAM Page Blinking
After POR, X7X6X5X4X3X2X 1X 0 = 00h
Set either bit to “1”will set cooresponding page (0-7) to blink.
REV 1.2
12/99
SSD1812
23
Application Circuit: External VEE with internal regulator and divider mode [Command: 2B]
in 54 Mux.
ICONS
COM0
:
COM5
COM6
:
COM25
COM26
DISPLAY PANEL SIZE
132 x 54+ 2 X ICON LINES
COM27
COM28
:
:
:
COM53
ICONS
SEG0 --------------------------------------------- SEG131
SEG131 --------------------------------------------------------------------------------------------------------------------------------SEG0
SSD1812 IC
54 MUX [Default]
( DIE FACE UP)
COM20
:
COM26
ROW27
:
ROW31
ICONS
ROW63
:
ROW59
COM53
:
COM48
COM27
COM28
COM29
:
:
:
:
:
:
:
:
COM46
COM47
VDD VL2 VL3 VL4 VL5 VL6
[Command: C8]
SCAN Direction
Remapped COM
ICONS
COM0
:
COM4
COM5
COM6
COM7
:
:
:
COM18
COM19
Remapped COM
SCAN Direction
[Command: C8]
Remapped COM
SCAN Direction
[Command: C8]
Segment Remapped
[Command: A1]
VF
N/C
N/C
Remapped COM
SCAN Direction
[Command: C8]
VEE
IRS
VSS[GND]
D/C
/CS1
RESET
R/W
D0 - D7
R2
0.1µF
VDD=2.75V
-
0.47µF
R1
Optional for External
Resistors Gain Control
[IRS pulled to GND]
External Vneg=-9.5V
SSD1812
24
REV 1.2
12/99
SOLOMON
Application Circuit: ALL internal power mode [Command: 2F] in 54 Mux [Default].
ICONS
COM0
:
COM5
COM6
:
COM25
COM26
DISPLAY PANEL SIZE
132 x 54+ 2 X ICON LINES
COM27
COM28
:
:
:
COM53
ICONS
SEG0 --------------------------------------------- SEG131
SEG131 --------------------------------------------------------------------------------------------------------------------------------SEG0
SSD1812 IC
54 MUX [Default]
( DIE FACE UP)
COM20
:
COM26
ROW27
:
ROW31
ICONS
ROW63
:
ROW59
COM53
:
COM48
COM27
COM28
COM29
:
:
:
:
:
:
:
:
COM46
COM47
VSS VEE C3N C1P C1N C2N C2P
VDD VL2 VL3 VL4 VL5 VL6
[Command: C8]
SCAN Direction
Remapped COM
ICONS
COM0
:
COM4
COM5
COM6
COM7
:
:
:
COM18
COM19
Remapped COM
SCAN Direction
[Command: C8]
Remapped COM
SCAN Direction
[Command: C8]
Segment Remapped
[Command: A1]
VF
N/C
N/C
Remapped COM
SCAN Direction
[Command: C8]
D0 - D7 and Control Bus
R2
SOLOMON
1µF 1µF
VSS [GND]
1µF
1µF
VDD=2.75V
0.1µF
-
0.47µF
R1
Optional for External
Resistors Gain Control
[IRS pulled to GND]
REV 1.2
12/99
SSD1812
25
PACKAGE DIMENSIONS
SSD1812T
TAB PACKAGE DIMENSION - 1
(DO NOT SCALE THIS DRAWING)
SSD1812
26
REV 1.2
12/99
SOLOMON
PACKAGE DIMENSIONS
SSD1812T
TAB PACKAGE DIMENSION - 2
(DO NOT SCALE THIS DRAWING)
SOLOMON
REV 1.2
12/99
SSD1812
27
Solomon reserves the right to make changes without further notice to any products herein. Solomon makes no warranty, representation or guarantee regarding
the suitability of its products for any particular purpose, nor does Solomon assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical”parameters can and do vary in different applications. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. Solomon does not convey any license under its patent rights nor the rights of others.Solomon products are not designed, intended, or authorized for use as components in systems
intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of unintended
or unauthorized application, Buyer shall indemnify and hold Solomon and its offices, employees, subsidiaries, affiliates, and distributors harmless against all
claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with
such unintended or unauthorized use, even if such claim alleges that Solomon was negligent regarding the design or manufacture of the part.
SSD1812