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SmartSwitch
OLED Rocker
Chromaticity Diagram
0.39
0.38
TM
Point
A
B
C
D
Chromaticity X
0.3441
0.2983
0.2799
0.3257
Chromaticity Y
0.3663
0.3384
0.2881
0.3160
0.37
0.36
0.35
0.34
0.33
0.32
0.31
B
D
A
TIMING SPECIFICATIONS
AC Characteristics
(Temperature at –20°C ~ +70°C), VDDA = 2.8V, VAH = 16V
0.30
0.29
0.28
0.27
0.26
C
Items
Symbols Minimum Typical Maximum
0.25
0.25
0.27
0.29
0.31
0.33
0.35
0.37
Clock Cycle Time
A0 Setup Time
A0 Hold Time
t c yc le
t SWDS
t SWDH
100ns
65ns
35ns
––
––
––
––
––
––
A0
Chromaticity X
XCS Setup Time
t CWS
65ns
––
––
t SWDS
t C WS
t SWDH
t CWH
XCS Hold Time
High Level XCS Pulse Width
Write Data Setup Time
t CWH
t CSBH
t WDTS
95ns
*10ns
10ns
––
––
––
––
––
––
XCS
SCL
t R
t SC L H
t c yc le
t CSBH
E
Write Data Hold Time
SCL Low Time
t WDTH
t SCLL
20ns
45ns
––
––
––
––
t F
t WDTS
t SC L L
t WDTH
SCL High Time
t SCLH
45ns
––
––
SI
D7
D6
D5
D4
D3
D2
D1
D0
SCL Rise Time
SCL Fall Time
t r
t f
––
––
––
––
15ns
15ns
* Requires more than 100ns after resetting software
BLOCK DIAGRAM & PIN CONFIGURATIONS
Black & White OLED Panel
96 x 64
SEG1 . . . SEG96 COM1 . . . COM64
Segment Driver
Common Driver
VDDA 1
VAH 8
XRES 2
SCL 5
XCS 3
SI 6
Light Decoder
Display Control
& Screen Saver
Graphic Display
Data RAM
128 x 64 x 1 Bit
Oscillator
Timing
Control
OLED Driver
with Controller
A0
4
I/F Circuit Block
Register
VSS 7
IS18WWC1W
SW_COM 12
9 SW1
10 SW2
11 SW3
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
Symbol
VDDA
X RE S
XCS
A0
SCL
SI
VSS
VAH
SW1
SW2
SW3
SW_COM
Name
Logic Type Power Source
Reset
Chip Select
Address
Serial Clock
Serial Data Input
Ground
Drive Type Power Source
Switch Terminal 1
Switch Terminal 2
Switch Terminal 3
Switch Common Terminal
Function
Terminal to initialize IC built-in logic; initializes with low level
Slave select for SPI. This line is active low.
Terminal to input control signals of command/parameter
Set low at time of command input and high level at the time
of parameter input.
Read command/parameter at time of SCL signal standing up
Terminal to input command/parameter by SPI
N/O
N/O
N/O
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