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W83C43 Datasheet(PDF) 10 Page - Winbond |
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W83C43 Datasheet(HTML) 10 Page - Winbond |
10 / 21 page W83C43 - 10 - Output Port Definition, continued BIT FUNCTION 4 Keyboard Output Buffer Full Interrupt 5 Mouse Output Buffer Full Interrupt 6 Keyboard Clock Output 7 Keyboard Data Output Test-input Port Definition BIT FUNCTION 0 Keyboard Clock Input 1 Mouse Clock Input Commands (I/O Address HEX 64) (AT Mode) COMMAND FUNCTION 20 Read Command Byte of Keyboard Controller 60 Write Command Byte of Keyboard Controller BIT 1 2 3 4 5 6 7 0 BIT DEFINITION Reserved IBM PC Compatible Mode IBM PC Mode Disable Keyboard Inhibit Override System Flag Reserved Enable Output Buffer Full Interrupt AA Self-test AB Interface Test BIT 04 03 02 01 00 BIT DEFINITION No Error Detected K/B Clock Line is Stuck Low K/B Clock Line is Stuck High K/B Data Line is Stuck Low K/B Data Line is Stuck High AD Disable Keyboard Feature AE Enable Keyboard Interface |
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