Smart-Keyboard eSK-R30B-X
16
••••
Solution Specification (V1.3) 01.25.2013
(This specification is subject to change without further notice)
6.2
Pin Assignment
Pin #
1
2
3
4
5
6
7
8
9
10
Signal
VCC
GND
BTN1
BTN2
BTN3
/INT
SDI
(MOSI)
SDO
(MISO)
SCK
/SS
Connector type: P-TWO 196087-10021-1 10 pins connector or equivalent, pitch is 1.0
±
0.10 mm.
Pin Assignment Description
Pin
Signal
I/O
Description
1
VCC
Power
VCC
2
GND
Ground
Ground
3
BTN1
I
Physical Button Input # 1, active low.
The BTN1 is connected to Vcc through a 66 K
Ω
resistor
inside the TouchPad controller.
4
BTN2
I
Physical Button Input # 2, active low.
The BTN2 is connected to Vcc through a 66 K
Ω
resistor
inside the TouchPad controller.
5
BTN3
I
Physical Button Input #3, active low.
The BTN3 is connected to Vcc through a 66 K
Ω
resistor
inside the
6
/INT
O
I Interrupt, active low, indicates that the Smart-Pad
TM
is
ready to send data
7
SDI
(MOSI)
I
Master out, Slave in.
Data from host to Smart-Pad
TM
.
8
SDO
(MISO)
O
Master in, Slave out
Data from Smart-Pad
TM
to host.
9
SCK
I
SPI clock in
10
/SS
I
Slave select in