Table D-1  Extended Commands
Function  | 
  | Command  | Response  | 
  | 
  | 
  | 
  | 
Read I/O Lines  | 
  | #0RD  | {I/O msb}{~I/O msb}{I/O  | 
  | 
  | 
  | lsb}{~I/O lsb}  | 
Set Output Lines  | 
  | #0SO{I/O  | no response  | 
  | 
  | msb}{~I/O  | 
  | 
  | 
  | msb}{I/O  | 
  | 
  | 
  | lsb}{~I/O lsb}  | 
  | 
Define I/O Lines  | 
  | #0SD{I/O  | no response  | 
  | 
  | msb}{~I/O  | 
  | 
  | 
  | msb}{I/O  | 
  | 
  | 
  | msb}{~I/O msb}  | 
  | 
Set   | 
  | #0SS{I/O  | no response  | 
States  | 
  | msb}{~I/O  | 
  | 
  | 
  | msb}{I/O  | 
  | 
  | 
  | lsb}{~I/O lsb}  | 
  | 
Read  | 
  | #0RC  | {I/O msb}{~I/O msb}{I/O  | 
Configuration  | 
  | 
  | lsb}{~I/O lsb}{I/O powerup  | 
  | 
  | 
  | msb states}{~I/O powerup  | 
  | 
  | 
  | msb states}{I/O powerup  | 
  | 
  | 
  | lsb states}{~I/O powerup  | 
  | 
  | 
  | lsb}  | 
Where “x” is the required data byte and “~” signifies the complement of the specified byte.
 | Appendix D | Appendix D  | 
 | ||
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  | 
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PH (815)   | 
  | 
  | PH (815)   | ||