EKK8011 查看數據表（PDF） - ELAN Microelectronics

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EKK8011

USB & PS/2 Keyboard Encoder

ELAN Microelectronics 

Contents

Contents

1 General Description .................................................................................................. 1

2 Features ..................................................................................................................... 1

3 Applications............................................................................................................... 1

4 Pin Configuration ...................................................................................................... 2

5 Pin Description.......................................................................................................... 3

6 Function Description ................................................................................................ 4

6.1 PS/2 Keyboard Function Description ................................................................. 4

6.1.1 Keyboard Buffer ..................................................................................................4

6.1.2 Power-on Reset and Self Test.............................................................................4

6.1.3 Keyboard Data Output.........................................................................................4

6.1.4 Keyboard Data Input ...........................................................................................4

6.1.5 Command from the System ................................................................................5

6.1.6 Command to the System.....................................................................................9

6.1.7 Keyboard Scan Code Table.................................................................................9

6.2 USB Keyboard Function Description................................................................ 20

6.2.1 USB Keyboard Description ...............................................................................20

6.2.2 Led Report for USB Keyboard ..........................................................................25

6.2.3 USB Keyboard Scan Code................................................................................25

6.3 Internal-Multi Function...................................................................................... 28

7 Absolute Maximum Ratings ................................................................................... 28

8 DC Electrical Characteristics ................................................................................. 29

9 AC Electrical Characteristics ................................................................................. 29

Product Specification (V1.0) 06.10.2003

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