SmartSwitch
Toggles
Wide View LCD 64 x 32 Pushbuttons & Display
DISTINCTIVE CHARACTERISTICS
• Programmable display graphics for alphanumeric characters and animated sequences
Rockers
• 64 colors of backlighting can be controlled dynamically
• Pushbutton switches or display with LCD, RGB LED backlighting
• General brightness of backlight is dynamically controlled in eight steps from dark to bright
• Operated by commands and data supplied via serial communications (SPI)
• Incorporates bitmap display function
• Dual image VRAM for quick change of displayed images
• Travel options: Short travel of 1.8mm, or long travel of 4.5mm (same as KP01 Series)
• Low energy consumption
• Dust tight construction
Programmable
Illuminated PB
Keylocks
Pushbuttons
E
Viewing areas:
Switches - 17.0mm x 13.0mm (horizontal x vertical)
Display - 14.4mm x 11.8mm
High reliability and long life of one million (short travel)
or three million (long travel) actuations
High resolution of 64 x 32 pixels
Epoxy sealed straight PC terminals
Tactiles
Slides
Rotaries
Snap-in standoff legs on the switches, or display’s
bracket with crimped legs, ensure secure mounting
and alignment and prevent dislodging during
wave soldering.
Touch
Tilt
Supplement
Accessories
Indicators
Actual Sizes of Switches & Display
Short Travel
Long Travel
Display
E22
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SmartSwitch
Toggles
Wide View LCD 64 x 32 Display
DISPLAY PART NUMBER & DESCRIPTION
Part Number
Terminals
Straight PC
LCD Mode
Black & White
FSTN Positive
LED Color
Red/Green/Blue
Rockers
IS01EBFRGB
Pushbuttons
LCD SPECIFICATIONS
Characteristics of Display
Display Operation Mode
Display Condition
Viewing Angle Direction
Viewing Area
FSTN positive; background colors, black & white
Transflective with built-in LED backlight
6 o’clock
14.4mm x 11.8mm (horizontal x vertical)
64 x 32 pixels (horizontal x vertical)
0.200mm x 0.285mm (horizontal x vertical)
–15°C ~ +50°C (+5°F ~ +122°F)
–20°C ~ +60°C (–4°F ~ +140°F)
RGB:
red/green/blue
Programmable
Illuminated PB
E
Pixel Format
Pixel Size
*Operating
Temperature Range
Storage Temperature Range
Backlight LED
Keylocks
Rotaries
*
In a low temperature environment (below 0°C), speed and contrast decrease when image changes. The non-indicator dot may become dense in
a high temperature environment (about +50°C). Highest backlight brightness level should not be used for temperatures above +35°C.
Recommended Operating Conditions
(Temperature at 25°C)
Items
Symbols
V
DD
V
I H
V
I L
f
SC K
I
DD
Minimum
4.9V
0.8 V
DD
—
—
** 10mA
Typical
5.0V
—
—
—
—
Maximum
5.1V
—
0.2V
DD
8MHz
*** 60mA
Slides
Supply Voltage
High Level Input Voltage
Tactiles
Low Level Input Voltage
SPI Clock Frequency
Current Consumption
Tilt
** 10mA: Backlighting LED is off
*** 60mA: Backlighting LEDs (Red, Green, Blue) are maximum brightness
Absolute Maximum Ratings
(Temperature at 25°C)
Touch
Items
Supply Voltage
Input Voltage
Symbols
V
DD
V
I
V
O
Ratings
–0.3V to +7.0V
–0.3V to V
D D
+0.3V
–0.3V to V
D D
+0.3V
Indicators
Output Voltage
Optical Characteristics
(Temperature at 25°C)
Items
Contrast Ratio
Viewing
Angle
(Cr ≥ 1.1)
Up & Down
Right & Left
Symbols
Cr
Minimum
––
––
––
Typical
3.0
90°
90°
Maximum
––
––
––
Accessories
Supplement
q
f
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E26
Wide View LCD 64 x 32 Display
DISPLAY BLOCK DIAGRAM & PIN CONFIGURATIONS
Com1......Com32
Common Driver
SmartSwitch
Rockers
Green
Blue
Toggles
Segment Driver
Backlight LED
Display Controller
RAM #1
256Byte
SCK
SS
SDI
1
2
4
SPI
LED Driver
RAM #2
256Byte
64bit
Shift Register
Red
SDO 3
IS01EBFRGB
RGB LED Backlight
Black and White LCD
E
GND 5
V
DD
6
Keylocks
Pin No.
1
2
3
4
5
6
Symbol
SCK
SS
SDO
SDI
GND
V
DD
Name
Serial Clock
Slave Select
Data Out
Data In
Ground
Power
Function
Rotaries
Clock line for SPI that synchronizes commands and data
Chip select for SPI; line is active low
Data output line for SPI
Power source for logic circuit and LCD
Tactiles
TYPICAL DISPLAY DIMENSIONS
See
Pixel Detail
(14.06)
.554
Terminal numbers are not on the device.
(10.0)
.394
(12.2)
.480
(17.2)
.677
(9.74)
.383
(11.8)
.465
(14.4)
.567
(17.8)
.701
(2.0) Typ
.079
(0.7)
.028
(9.9)
.390
(2.0)
.079
(15.0)
.591
C
L
(3.1)
.122
(2.0)
.079
(4.0)
.157
(16.8)
.661
(2.0) Typ
.079
1
5
2
6
(14.7)
.579
4x
(0.9) Dia
.035
(10.0)
.394
(15.0)
.591
www.nkkswitches.com
E27
Supplement
3x
(0.9) Dia
.035
6x
(0.8) Dia
.031
Accessories
Pixel Detail
(0.285)
.0112
(0.200)
.0079
(0.02) Typ
.0008
Footprint
Indicators
(3.0)
.118
Touch
(0.5) Sq Typ
.020
(16.8)
.661
(4.0)
.157
2
6
1
5
(14.7)
.579
Tilt
(1.3)
.051
(0.4) Typ
.016
(3.1)
.122
(0.65) Typ
.026
Key
Slides
Data input line for SPI
Programmable
Illuminated PB
Pushbuttons
32bit
Shift Register
64 x 32 Dot Matrix
LCD Panel
seg1.......seg64
Wide View LCD 64 x 32 Pushbuttons, Display & Compact
TIMING SPECIFICATIONS FOR SWITCHES & DISPLAY
SPI Characteristics
(See Timing Diagram)
(Temperature at –15°C ~ +50°C and V
DD
= 5.0V ± 2%)
Items
SPI_SS Set Up Time
SPI_SS Hold Time
SPI_CLK Cycle
SPI_CLK Width
SPI_DI Set Up Time
SPI_DI Hold Time
SPI_DO Delay Time
Symbols
ts
S S
th
S S
t cy c
C K
thw
C K
ts
D I
th
D I
td
D O
SmartSwitch
Circuit Example
SCK
SDI
SS
IS_2
SCK
SDI
Rockers
Toggles
CLK_1
Minimum
10ns
10ns
Maximum
SCK
SDI
SS
IS_1
CLK_2
SS
IS_3
Pushbuttons
8MHz
10ns
10ns
10ns
10ns
CLK_3
SCK
SDI
SS
IS_4
SCK
SDI
SS
IS_5
SCK
SDI
SS
IS_6
SCK
SDI
SS
IS_7
DATA_1
SCK
SDI
SS
IS_8
DATA_2
SCK
SDI
SS
IS_9
DATA_3
E
ts
SS
t h
SS
SS
tc y c
CK
t h w
CK
SPI Timing Chart (SS Low Level Fixed)
SS
t c yc
CK
t s
DI
t h
DI
th w
CK
SCK
SCK
SDI
D7 D6 D5 D4 D3 D2 D1 D0
t d
DO
t s
DI
t h
DI
SDO
D7 D6 D5 D4 D3 D2 D1 D0
t d
DO
SDO
D7 D6 D5 D4 D3 D2 D1 D0
BITMAP
Segment
Common
COM1
COM2
•
•
•
COM32
1 2 3 4 5 6 7 8
Byte8
D0 D1 D2 D3 D4 D5 D6 D7
Byte16
D0 D1 D2 D3 D4 D5 D6 D7
•
•
•
Byte256
D0 D1 D2 D3 D4 D5 D6 D7
•••
9 • • • 16
Byte7
D0 • • • D7
•••••
•••
•••
49 • • • 56
Byte2
D0 • • • D7
57 58 59 60 61 62 63 64
D0 D1 D2 D3 D4 D5 D6 D7
Byte9
•
•
•
Touch
Tilt
Byte1
D0 D1 D2 D3 D4 D5 D6 D7
•••
Byte249
D0 D1 D2 D3 D4 D5 D6 D7
Command
0 x 55
0 1 0 1 0 1 0 1
Byte1
D7 D6 D5 D4 D3 D2 D1 D0
Data (256 Bytes)
Byte2 • • • Byte255
D7 D6 • • • D1 D0
Byte256
D7 D6 D5 D4 D3 D2 D1 D0
Notes:
Display RAM has two screen areas. The first area is for the display on current LCD; the second area is for the data to be displayed next.
The screens are changed when the second area is fully stored.
www.nkkswitches.com
E31
Supplement
Accessories
Transferring Display Data/Displaying LCD Command and Data Sequence
Indicators
Tactiles
SDI and SCK shall be kept high when idle.
Slides
SDI
D7 D6 D5 D4 D3 D2 D1 D0
Rotaries
Low
Keylocks
SPI Timing Chart (SS Using)
It is recommended that all SS pins be connected to a controller pin
instead of ground. A clock glitch during power up could cause the
communication to fall out of sync. Toggling the SS line resets the
communication.
Programmable
Illuminated PB
SmartSwitch
Toggles
Wide View LCD 64 x 32 Pushbuttons, Display & Compact
COMMANDS & DATA
• Transferring display data/displaying on LCD: command (1 Byte) + data (256 Bytes)
Rockers
• Others: command (1 Byte) + data (1 Byte)
• Commands can be accepted only when all bits coincide; otherwise, they are not acknowledged
• Additional commands will not be received until the communication of commands (1 Byte) and data (256 or 1 Byte) is completed
• There is no time limit from the beginning to end of data receipt
• Commands may be executed consecutively (no need to wait between commands)
• Irregular commands or data are not recognized
• Initial status at power activation: LCD display off, LED off (brightness 1/20, color off)
Transferring Display Data/Displaying on LCD
Command
Hex
Binary
01010101
Data
256 Bytes (64 x 32 = 2,048 bits)
Remarks
See above for details of bitmap data
Programmable
Illuminated PB
Keylocks
Pushbuttons
E
0 x 55
LED (Backlight) Color Set
Command
Hex
Rotaries
Binary
Data
Remarks
For each of RGB:
Slides
0 x 40
01000000
R R G G B B 1 1
2 bits x 3
00 = off
01 = 1/4
10 = 1/2
11 = full
LED (Backlight) Brightness Set
Command
Data
Remarks
For leading 3bits:
000 = 1/20 (dark)
001 = 1/10
010 = 1/7
011 = 1/5
100 = 1/3
101 = 1/2
110 = 2/3
111 = full (bright)
Tactiles
Hex
Binary
0 x 41
01000001
*** 1 1 1 1 1
3 bits
Tilt
Touch
Reset (Returning to Initial Status at Power Activation)
Command
Hex
Binary
01011110
Data
00000011
Remarks
Returning to initial status at power activation
Indicators
0 x 5E
Supplement
Accessories
E32
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