BS801C/02C/04C/06C/08C
Application Circuit
VDD
Touch
Key
VDD
Key
0.1uF
Cref
Cs
0pF~
10pF
R
VDD
Kout
LHF
VSS
BS801C
VDD
Touch
Key0
VDD
Key0
0.1uF
Touch
Key1
Key1
Cref
R
VDD
VDD
Cs
0pF~
10pF
Kout0
Kout1
R
LHF
VSS
BS802C
VDD
Touch
Key0
VDD
Key0
.
.
.
.
0.1uF
.
.
MCU
Touch
Key3
Key3
INTB or
Port
Cref
Cs
0pF~
10pF
SCD
R
R
VDD
VDD
Kout0
LHF
.
.
.
OKW
VSS
Kout3
BS804C
Note: If the output is connected to an MCU input with an internal pull high resistor then the pull high resistor on the ap-
plication circuit is not required.
Rev. 1.00
9
December 2, 2009
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
