LCD Switches
Programmable OLED Video Switch and Display
TIMING SPECIFICATIONS FOR SMARTSWITCH & SMARTDISPLAY
AC Characteristics
(Temperature at 25°C) , V
DD
= 2.4V ~ 3.5V)
Items
Clock Cycle Time
D/C Setup Time
D/C Hold Time
SS Setup Time
SS Hold Time
Write Data Setup Time
Write Data Hold Time
SCK Low Time
SCK High Time
SCK Rise Time
SCK Fall Time
Symbols
t
c yc le
t
A S
t
A H
t
C S S
t
C S H
t
D SW
t
D HW
t
C LKL
t
C LKH
t
R
t
F
Minimum
150ns
40ns
40ns
75ns
60ns
40ns
40ns
75ns
75ns
––
––
Typical
––
––
––
––
––
––
––
––
––
––
––
Maximum
––
––
––
––
t
R
IS Series
D/C
t
AS
t
AH
t
CSH
SS
t
CSS
t
C LKH
t
cy cle
––
––
––
––
––
15ns
15ns
SCK
t
F
t
D SW
t
C LKL
t
D H W
D7
D6
D5
D4
D3
D2
D1
D0
SDI
STATE TRANSITION
7 : Initialization
State 0
Power OFF
(V
CC,
V
DD
O FF)
1 : Power ON, 7 : Initialization
2 : Power OFF
State 1
Display OFF
(Sleep Mode)
3 : Display ON
4 : Display OFF
8 : Changing the Display
State 2
Display ON
8 : Changing the Display
State
Number
0
1
2
State
Power OFF
Display OFF
Display ON
Display Sleep
OFF
OFF
ON
––
ON
OFF
V
CC
OFF
ON
ON
V
DD
OFF
ON
ON
Changing the
Display
Disable
Enable
Enable
V
DD
0V
Power ON/OFF Sequence
Initialization Setting
State 0
Power ON
Minimum 0µs
State 1
State 2
Power OFF
State 0
Minimum 0µs
State Transition
1
2
3
4
7
8
Transition
Power ON
Power OFF
Display ON
Display OFF
Initialization
Image Rewriting
Display Settings
Index
RES
“L” or “Hi-z”
Reset low pulse width Trw
(minimum 3µs)
“L” or “Hi-z”
Minimum 3µs
Refer to "Power ON/OFF Sequence"
V
CC
Minimum 0µs
Initialize Setting of Command/Data
Send Display Data
Dimmer, Scroll, etc.
D/C
SS
“L” or “Hi-z”
SCK
SDI
V
DD
level (due to ESD protection
circuit between V
DD
and V
CC
)
“H” or “L”
“L” or “Hi-z”
sales@greatecs.com
www.greatecs.com
6
GREATECS [ GREATECS ]
