ECE1099 - Microchip

ECE1099 23 x 8 Keyscan Matrix Interface via SMBus or BC-Link Bus

ECE1099 GPIO Expansion, 23x8 Keyscan Matrix Interface via SMBus or BC-Link Bus Highlights Features The ECE1099 is a 40-Pin 3.3V Keyboard Scan Expansion or GPIO Expansion device. The device supports a keyboard scan matrix of 23x8. The device is connected to a Master via the BC-Link interface or via the SMBus. KSI and KSO signals are multiplexed with GPIOs.

Features

The ECE1099 is a 40-Pin 3.3V Keyboard Scan Expansion or GPIO Expansion device. The device supports a keyboard scan matrix of 23x8. The device is connected to a Master via the BC-Link interface or via the SMBus. KSI and KSO signals are multiplexed with GPIOs.
• Up to 23x8 Keyboard Scan Matrix
• 32 Multiplexed General Purpose I/O pins - All are MCU addressable I/O Pins
• BC-Link Interconnect Bus - Link to embedded controller
• SMBus Interconnect - One of two address selection
• 3.3V Operation - 40-Pin, QFN RoHS Compliant package - 0.5mm Pitch - 6x6mm Body size Block Diagram BC Bus SMBus BC B.