AT Keyboard/Mouse protocol

From HwB

Revision as of 08:56, 23 February 2007 by Joakim (Talk | contribs)

Protocol used for:

Details:

  • Protocol is bi-directional
  • Clock frequency is 10-16.7 kHz
Bit Description Comment
1 Start bit Always 0
2-9 8 Data bits LSB first
10 Parity bit Odd parity
11 Stopp bit Always 1

Contents

Device to host

PCKeyboardMouse 1.svg

Host to device

PCKeyboardMouse 2.svg

Voltage levels

Min Max
Low (0) 0.0 V 0.7 V
High (1) 2.4 V 5.25 V

Contributors

Links

Sources

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