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ECE1117 - Multi-Function BC-Link/SMBus Companion Device

Datasheet Summary

Description

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.

Features

  • 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 current sink - 3 with 4mA current sink - Multiple Clock Rates.

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Datasheet preview – ECE1117

Datasheet Details

Part number ECE1117
Manufacturer Microchip
File Size 1.15 MB
Description Multi-Function BC-Link/SMBus Companion Device
Datasheet download datasheet ECE1117 Datasheet
Additional preview pages of the ECE1117 datasheet.

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Full PDF Text Transcription

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ECE1117 Multi-Function BC-LinkTM/SMBus Companion Device Product Features • 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 current sink - 3 with 4mA current sink - Multiple Clock Rates - Breathe capability - Open Drain - 5V tolerant - All can be synchronized • General Purpose I/O Pins - 16 General Purpose I/O Pins - All are BC Bus addressable I/O Pins - All are Maskable Hardware Wake-Event Capable - All are Programmable Open-Drain/Push-Pul
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