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

Datasheet Summary

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 addre.

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Datasheet Details

Part number ECE1099
Manufacturer Microchip
File Size 557.26 KB
Description 23 x 8 Keyscan Matrix Interface via SMBus or BC-Link Bus
Datasheet download datasheet ECE1099 Datasheet
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Full PDF Text Transcription

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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. • 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.
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