Zilog Z80230 - Manual (Page 84)

SCC/ESCC
User Manual
UM010903-0515 SCC/ESCC Ancillary Support Circuitry
77
Figure 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