The TIC12400 is an advanced Multiple Switch Detection Interface (MSDI) device designed todetect external switch statuses. The TIC12400 supports 24 direct inputs, with 10 inputsconfigurable to monitor digital I/O switches. 6 wetting current settings can be programmed for eachinput to support different application scenarios. The TIC12400 features an integrated 10-bit ADC tomonitor multi-position analog switches and a comparator to monitor digital switches independentlyof the MCU. The device supports wake-up operation on all switch inputs to eliminate the need tokeep the MCU active continuously, thus reducing power consumption of the system. The TIC12400supports 2 modes of operations: continuous and polling mode. In continuous mode, wetting current issupplied continuously. In polling mode, wetting current is turned on periodically to sample theinput status based on a programmable timer, thus the system power consumption is significantlyreduced. The TIC12400 also offers various fault detection and diagnostic features for improvedsystem robustness.