The UART 103 transmits serial data to and receives {HEAD ~ serial data} from {TAIL ~ the device} via the electrical interface 101 according to techniques known per se 
from
The UART 103 transmits serial data to and receives { HEAD ~ serial data } from { TAIL ~ the device } via the electrical interface 101 according to techniques known per se
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH