{TAIL ~ A serial data transmission unit} which can freely set a holding interval T of {HEAD ~ the final bit} of transmitted data 
{ TAIL ~ A serial data transmission unit } which can freely set a holding interval T of { HEAD ~ the final bit } of transmitted data
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH