Flip-flop and four gates, Figure, Scc/escc user manual – Zilog Z80230 User Manual
Page 84
SCC/ESCC
User Manual
UM010903-0515
SCC/ESCC Ancillary Support Circuitry
77
on page 75, the transmitter defines bit cell boundaries by one edge in all cases and uses the
other edge in FM1 and FM0 to create the mid-bit transition.
Manchester Encoding Circuit
1
3
2
Manchester
NRZ
Transmit Clock
1
2
3
4
5
a
b
5
4
Transmit
Clock
NRZ