TABLE OF CONTENTS
1
2
3
4
5
6
6.1
GENERAL DESCRIPTION................................................................................................................. 1
FEATURES ........................................................................................................................................ 2
ORDERING INFORMATION .............................................................................................................. 2
BLOCK DIAGRAM ............................................................................................................................. 3
DIE ARRANGEMENT ........................................................................................................................ 4
PIN DESCRIPTION ............................................................................................................................ 8
RES ............................................................................................................................................ 8
PS0-2 ........................................................................................................................................... 8
CS ............................................................................................................................................... 8
D/
C
............................................................................................................................................. 8
R/
W
(
WR
)................................................................................................................................... 8
E(
RD
).......................................................................................................................................... 8
D
0
-D
15
.......................................................................................................................................... 8
OSC1 ........................................................................................................................................... 9
REF.............................................................................................................................................. 9
DV
DD
, AV
DD
.................................................................................................................................. 9
V
DD
............................................................................................................................................... 9
DV
SS
, AV
SS
................................................................................................................................... 9
V
SS
............................................................................................................................................... 9
V
CI
................................................................................................................................................ 9
V
CC
............................................................................................................................................... 9
C
1P
, C
1N
, C
3P
, C
2P
, C
2N
, and C
4P
................................................................................................... 9
V
L7
................................................................................................................................................ 9
6.2
6.3
6.4
6.5
6.6
6.7
6.8
6.9
6.10
6.11
6.12
6.13
6.14
6.15
6.16
6.17
i
6.18
6.19
6.20
6.21
6.22
6.23
7
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
7.13
7.14
7.15
8
8.1
8.2
8.3
8.4
V
EXT
.............................................................................................................................................. 9
V
L7
, V
L6
, V
L5
, V
L4
, V
L3
and V
L2
....................................................................................................... 9
COM0 – COM159 ...................................................................................................................... 10
SEG0 – SEG127........................................................................................................................ 10
C
AP
, C
AN
, C
BP
, C
BN
, C
CP
, C
CN
, C
DP
, and C
DN
............................................................................... 10
N/C............................................................................................................................................. 10
FUNCTIONAL BLOCK DESCRIPTIONS ........................................................................................ 11
Command Decoder and Command Interface........................................................................ 11
MPU Parallel 6800-series Interface ........................................................................................ 11
MPU Parallel 8080-series Interface ........................................................................................ 11
MPU Serial 4-wire Interface..................................................................................................... 12
MPU Serial 3-wire interface..................................................................................................... 12
Graphic Display Data RAM (GDDRAM).................................................................................. 12
Oscillator Circuit...................................................................................................................... 12
LCD Driving Voltage Generator and Regulator .................................................................... 13
288 Bit Latch ............................................................................................................................ 13
Level selector ........................................................................................................................... 14
HV Buffer Cell (Level Shifter).................................................................................................. 14
Default Setting after Reset...................................................................................................... 15
Command Table....................................................................................................................... 22
Read Status Byte ..................................................................................................................... 25
Data Read / Write ..................................................................................................................... 25
COMMAND DESCRIPTIONS .......................................................................................................... 26
Set Lower Column Address [00~0F] ...................................................................................... 26
Set Higher Column Address [10~17] .................................................................................... 26
Set Master/Slave Mode [18~19] .............................................................................................. 26
Set Internal Regulator Resistors Ratio [20~27] .................................................................... 26
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8.5
8.6
8.7
8.8
8.9
8.10
8.11
8.12
8.13
8.14
8.15
8.16
8.17
8.18
8.19
8.20
8.21
8.22
8.23
8.24
8.25
8.26
8.27
8.28
8.29
8.30
9
Set Power Control Register [28~2F] ...................................................................................... 27
Set Display Start Line [40~43] ................................................................................................ 27
Set Display Offset [44~47] ...................................................................................................... 27
Set Multiplex Ratio [48~4B] .................................................................................................... 27
Set N-line Inversion [4C~4F]................................................................................................... 28
Set LCD Bias [50~57]............................................................................................................... 28
Set Upper Window Corner (ax, ay) [60~61] ........................................................................... 28
Set Lower Window Corner (bx, by) [62~63] .......................................................................... 28
Set DC-DC Converter Factor [64~67] ..................................................................................... 28
Set Contrast Control Register [81]......................................................................................... 28
Set Gray Scale Mode (White/Light Gray/Dark Gray/Black) [88~8F] .................................... 28
Set Segment Re-map [A0~A1] ................................................................................................ 29
Set Entire Display On/Off [A4~A5] ......................................................................................... 29
Set Normal/Reverse Display [A6~A7] .................................................................................... 29
Set Power Save Mode [A9]...................................................................................................... 29
Start Internal Oscillator [AB] .................................................................................................. 29
Set Display On/Off [AE~AF]................................................................................................... 29
Set Page Address [B0~BF] .................................................................................................... 29
Set COM Output Scan Direction [C0~CF].............................................................................. 30
Exit Power Save Mode [E1]..................................................................................................... 30
Software Reset [E2] ................................................................................................................. 30
Exit N-line Inversion [E4] ........................................................................................................ 30
Enable Scroll Buffer RAM [E6~E7]......................................................................................... 30
Set Display Data Length [E8].................................................................................................. 30
Set Temperature Coefficient (TC) Value [E9] ........................................................................ 30
Set Test Mode [F0~FF] ............................................................................................................ 30
MAXIMUM RATINGS ....................................................................................................................... 31
iii
10
11
12
DC CHARACTERISTICS ................................................................................................................. 32
AC CHARACTERISTICS ................................................................................................................. 34
APPLICATION CIRCUIT.................................................................................................................. 38
12.1
12.2
12.3
12.4
DC-DC Converter Circuit Configuration ................................................................................ 39
Bias Divider Circuit Configuration......................................................................................... 39
Parallel Interface Configuration (Read / Write) ..................................................................... 40
Serial Interface Configuration (Write Only)........................................................................... 40
13
APPENDIXA..................................................................................................................................... 41
iv
TABLE OF FIGURES
Figure 1 - Block Diagram .............................................................................................................................. 3
Figure 2 - SSD1854Z Pin Assignment .......................................................................................................... 4
Figure 3 - Display Data Read with the insertion of Dummy Read .............................................................. 11
Figure 4 - Oscillator Circuitry....................................................................................................................... 13
Figure 5 - SSD1854 Graphic Display Data RAM (GDDRAM) Address Map .............................................. 16
o
Figure 6 - Contrast Control Voltage Range Curve (TC=-0.1%/ C; V
DD
=2.7V; V
CI
=2.7V) ........................... 27
Figure 7 - Contrast Control Flow Set Segment Re-map ............................................................................. 28
Figure 8 - Oscillation Frequency at different VDD at 25°C ......................................................................... 34
Figure 9 - Parallel 6800-series Interface Timing Characteristics (PS0 = H, PS1 = H) ............................... 35
Figure 10 - Parallel 8080-series Interface Timing Characteristics (PS0 = H, PS1 = L) .............................. 36
Figure 11- Serial Timing Characteristics (PS0 = L) .................................................................................... 37
Figure 12 - LCD Pins Connection of SSD1854Z......................................................................................... 38
Figure 13 - SSD1854U COF Drawing 1...................................................................................................... 41
Figure 14 - SSD1854U COF Drawing 2...................................................................................................... 42
LIST OF TABLE
Table 1 - Ordering Information ...................................................................................................................... 2
Table 2 - SSD1854 Series Die Pad Coordinates .......................................................................................... 5
Table 3 - PS0-2 Interface .............................................................................................................................. 8
Table 4 - Modes of Operation ..................................................................................................................... 12
Table 5 - Command Table .......................................................................................................................... 22
Table 6 - Read Status Byte ......................................................................................................................... 25
Table 7 - Address Increment Table............................................................................................................. 25
Table 8 - Commands Required for R/W (WR#) Actions on RAM ............................................................... 25
Table 9 - Maximum Ratings ........................................................................................................................ 31
Table 10 - DC Characteristics ..................................................................................................................... 32
Table 11 - AC Characteristics ..................................................................................................................... 34
Table 12 - Parallel Timing Characteristics 1 ............................................................................................... 35
Table 13 - Parallel Timing Characteristics 2 ............................................................................................... 36
Table 14 - Serial Timing Characteristics ..................................................................................................... 37
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