Freescale-Evaluation-Kit-for-the-MC33972-Freescale-KIT33972AEWEVBE-This-Evaluation-Kit-features-the-MC33972A-Multiple-Switch-Detection-Interface-with-suppressed-wake-up-&-is-designed-to-detect-the-closing-&-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-The-device-also-features-a-22-to-1-analog-multiplexer-for-reading-inputs-as-analog-Freescale-KIT33972AEWEVBE-Evalu