Controller IC Chip - SMSC ECE1117-HZH ECE1117 chip for laptop - Ολοκληρωμένο τσιπ φορητού υπολογιστή (Κωδ.1-CHIP1057) Multi-Function BC-LinkTM/SMBus Companion Device The ECE1117 is a 48-pin 3.3V multi-function companion device. The ECE1117 communicates with an upstream host via BC-Link or SMBus. The ECE1117 is typically mounted in the keyboard assembly. By mounting the ECE1117 onto the keyboard assembly, the keyboard signals as well as the touchpad/point stick PS/2 signals and the backlight PWMs are routed from the keyboard to the motherboard over a single BC-Link or SMBus connection. • Microchip BC-Link™ Slave Interface to Host EC - 3-pin point-to-point communication link to Embedded Controller • Optional SMBus Slave Interface to Host EC - BC-Link/SMBus protocol autodetect - Strap pin selects between two slave addresses at POR - Dynamically programmed slave address after POR • Keyboard Scan Matrix - Up to 19x8 Keyboard Scan Matrix • LED Output Pins - 7 LED Output Pins - 4 with 20mA cu

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