EKK8011A ELAN Microelectronics Corp, EKK8011A Datasheet - Page 3

• Manufacturer Part Number: EKK8011A
• Description: Usb & Ps/2 Keyboard Encoder
• Manufacturer: ELAN Microelectronics Corp



   




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3
4
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6
7
8
9
10 PS/2 Timing Diagram............................................................................................. 27
11
12 Application Matrix ................................................................................................. 29
13 Pad Diagram .......................................................................................................... 30
General Description ................................................................................................ 1
Features ................................................................................................................... 1
Applications............................................................................................................. 1
Pin Assignment ....................................................................................................... 2
Pin Description ........................................................................................................ 3
Function Description............................................................................................... 4
6.1
6.2
6.3
Absolute Maximum Ratings.................................................................................. 25
DC Electrical Characteristics................................................................................ 25
AC Electrical Characteristics................................................................................ 26
Application Circuit................................................................................................. 28
PS/2 Keyboard Function Description ................................................................ 4
USB Keyboard Function Description............................................................... 19
Internal-Multi Function .................................................................................... 25
6.1.1
6.1.2
6.1.3
6.1.4
6.1.5
6.1.6
6.1.7
6.2.1
6.2.2
6.2.3
Keyboard Buffer ..................................................................................................4
Power-on Reset and Self Test.............................................................................4
Keyboard Data Output.........................................................................................4
Keyboard Data Input ...........................................................................................5
Command from the System ................................................................................5
System Commands .............................................................................................8
Keyboard Scan Code Table.................................................................................9
USB Keyboard Description ...............................................................................19
LED Report for USB Keyboard .........................................................................22
USB Keyboard Scan Code................................................................................22
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