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ECE1117

I/O Controller

Status: In Production

Features:

  •  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
  •  BC-Link Companion Switch, ECE1119 only
  • 3 External Downstream Ports for additional BC-Link companion connectivity
  • SMBus Switch, ECE1119 only
  • External Ports for connectivity to additional 3 Bus segments
  • Keyboard Scan Matrix
  • Up to 23x8 Keyboard Scan Matrix in ECE1119
  • Up to 19x8 Keyboard Scan Matrix in ECE1117
  • LED Output Pins
  • 9 LED Output Pins in ECE1119 – 6 with 20mA current sink – 3 with 4mA current sink
  • 7 LED Output Pins in ECE1117 – 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
  • 20 General Purpose I/O Pins ECE1119
  • 16 General Purpose I/O Pins ECE1117
  • All are BC Bus addressable I/O Pins
  • All are Maskable Hardware Wake-Event Capable
  • All are Programmable Open-Drain/Push-Pull
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Overview
Documents
Development Environment
Similar Devices
RoHS Information
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Device Overview

Summary

The typical usage model is to locate the ECE1119/ECE1117 in the keyboard assembly.

By mounting the ECE1119/ECE1117 onto the keyboard assembly, the keyboard and touchpad/point stick PS/2 signals and the backlight PWMs are routed from the keyboard to the motherboard over a single BC-Link connection. In all other notebook designs without BC companion device, the signals from the keyboard matrix, PS/2 and LED are routed to the motherboard via a wide ribbon extension for the keyboard switch circuit. 

ECE1119 communicates to the upstream host via BC-Link or SMBus and provides up to three downstream BC-LinkTM or SMBus ports to permit communication between the upstream host and downstream companion devices.

Family parts
ECE1117-HZH
ECE1117-HZH-1
ECE1117-HZH-1-TR
ECE1117-HZH-TR
ECE1117-Y3-1-TR

Additional Features

    Multi-Function BC-Link/SMBus Companion Device with Three Downstream Ports

    •  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

    •  BC-Link Companion Switch, ECE1119 only

      - 3 External Downstream Ports for additional BC-Link companion connectivity

    • SMBus Switch, ECE1119 only

      - External Ports for connectivity to additional 3 Bus segments

    • Keyboard Scan Matrix

      - Up to 23x8 Keyboard Scan Matrix in ECE1119

      - Up to 19x8 Keyboard Scan Matrix in ECE1117

    • LED Output Pins

      - 9 LED Output Pins in ECE1119

      – 6 with 20mA current sink

      – 3 with 4mA current sink

      - 7 LED Output Pins in ECE1117

      – 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

      - 20 General Purpose I/O Pins ECE1119

      - 16 General Purpose I/O Pins ECE1117

      - All are BC Bus addressable I/O Pins

      - All are Maskable Hardware Wake-Event Capable

      - All are Programmable Open-Drain/Push-Pull

Parametrics
Name
Value
BC-Link
Yes
GPIO Pins
16
Keyboard Scan Matrix
19x8
PS/2 Ports
2
Operating Voltage
3.3V
Op Temp Max
70
SM Bus
Yes
Interface
BC-Link

Documents

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Silicon Product

06/26/2014
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RoHS Information

Part Number
Device Weight (g)
Shipping Weight (grams)
Lead Count
Package Type
Package Width
Solder Composition
JEDEC Indicator
RoHS
China EFUP
ECE1117-HZH-1
0.129500
1.269231
48
VQFN
7x7x0.9mm
Matte Tin
e3
ECE1117-HZH-1-TR
0.129500
0.528000
48
VQFN
7x7x0.9mm
Matte Tin
e3
ECE1117-Y3-1-TR
0.147900
0.366667
48
VQFN
7x7x1.0mm
Matte Tin
e3
To see a complete listing of RoHS data for this device, please Click here
Shipping Weight = Device Weight + Packing Material weight. Please contact sales office if device weight is not available.

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