The 33972 Multiple Switch Detection Interface with suppressedwake-Up is designed to detect the closing and opening of up to 22switch contacts. The switch status, either open or closed, is transferredto the microprocessor unit (MCU) through a serial peripheral interface(SPI). The device also features a 22-to-1 analog multiplexer for readinginputs as analog. The analog input signal is buffered and provided onthe AMUX output pin for the MCU to read.

Walsoon Group Ltd.

Walsoon Group is one professional automotive designer and supplier of the  electronic components. And as Panasonic Authorized Agent!

Walsoon advantage brands: Atmel, Microchip, Freescale, NXP, Infineon, Rohm, Nichicon, Murata, Samsung, MBI led drivers, PIR sensors, AD, ON, etc.

Walsoon advantage parts: MCU, Led drivers, PIR sensors, Capacitors, Resistors, Diodes, Transistors, etc.

Walsoon advantage products: Automotive, MID, Mobile, Lights, Security Products, etc.

Website: www.walsoon.com

If any question, please freely contact me :

Tel:+86 755 82818867

Fax:+86 755 82818852

E-mail:rainman@walsoon.com

MSN: walsoon-rainman@hotmail.com

Skype: rainman-walsoon

I'm glad to serve for you !