Datasheet4U Logo Datasheet4U.com

ECE1105 - 23 x 8 Keyscan Matrix Interface via SMBus or BC-Link Bus

Datasheet Summary

Features

  • The ECE1105 is a 48-Pin 3.3V Keyboard Scan Expansion or GPIO Expansion device. The device supports a keyboard scan matrix of 23x8 and has two PS/2 ports for touchpad and/or pointer stick support. 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.
  • Two PS/2 Ports - Touch Pad Support - Pointer Stick Support.
  • 40 Multiplexed General Purpose I/O pins - All are MCU.

📥 Download Datasheet

Datasheet preview – ECE1105

Datasheet Details

Part number ECE1105
Manufacturer Microchip
File Size 623.34 KB
Description 23 x 8 Keyscan Matrix Interface via SMBus or BC-Link Bus
Datasheet download datasheet ECE1105 Datasheet
Additional preview pages of the ECE1105 datasheet.
Other Datasheets by Microchip

Full PDF Text Transcription

Click to expand full text
ECE1105 GPIO Expansion, PS/2, 23x8 Keyscan Matrix Interface via SMBus or BC-Link Bus Highlights Features The ECE1105 is a 48-Pin 3.3V Keyboard Scan Expansion or GPIO Expansion device. The device supports a keyboard scan matrix of 23x8 and has two PS/2 ports for touchpad and/or pointer stick support. 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 • Two PS/2 Ports - Touch Pad Support - Pointer Stick Support • 40 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 - 48-Pin, QFN RoHS Compliant package - 0.
Published: |