MC33972A Overview
Freescale Semiconductor Advance Information Document Number: 9.0, 4/2007 Multiple Switch Detection Interface with Suppressed Wake-Up The 33972 Multiple Switch Detection Interface with Suppressed Wake-Up is designed to detect the closing and opening of up to 22 switch contacts. The switch status, either open or closed, is transferred to the microprocessor unit (MCU) through a serial peripheral interface (SPI).
MC33972A Key Features
- VPWR = 100 µA and VDD = 20 µA Active Interrupt (INT) on Change-of-Switch State Pb-Free Packaging Designated by Suffix Co
- This document contains certain information on a new product. Specifications and information herein are subject to change
- SPI Ref mA parator 5.0 V VPWR 5.0 V To + 4.0 V
- SPI Ref parator WAKE
- SPI mA Ref parator
