STANDARD SERIAL COMMUNICATION INTERFACE and ...

Standard Serial Interface Protocol Description
command), followed by transmission of all the required message data using the commands indicated in
the previous table.
Another good application of the “Clear All Previously Received Message Data” command (“>” command)
is when the interface application starts a new transmission of data to an 1/8 VGA controller, which may be
in continuous automatic cycle mode. After the controller receives the “>” command, the controller will
stop generation of any messages presently being driven onto the displays, then clear memory allocated
for message storage. After transmission of the “>” command, the interface should load new message
data to the respective controller module.
5.5 128x32 Display Application Level Field Descriptions
The following table outlines the available application level command sequences for the Kent Displays
128x32 display modules. The following items pertain to the table:
• Text enclosed in "", indicate the exact bytes (typically in ASCII, unless noted otherwise) to be
output for the particular field. Elements designated between < and > characters are to be
output in binary or Hexidecimal. The application level command designations are case
sensitive (field #4).
• N/A designates that no bytes are designated or inserted for respective field.
• Typical Data elements are illustrated for field #6.
Standard Serial Communication Interface Description, © 1998-2002 Kent Displays Inc., doc. # 25016 Revision T, Page 27 of 52