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

Key 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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Other Datasheets by Microchip Technology

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ECE1088 GPIO Expansion via SMBus or BC-Link Bus
ECE1105 23 x 8 Keyscan Matrix Interface via SMBus or BC-Link Bus
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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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.