Zilog Z80230 - Manual (Page 92)

SCC/ESCC
User Manual
UM010903-0515 SCC/ESCC Ancillary Support Circuitry
85
Clock Multiplexer
Async Clock Setup Using an External Crystal
OSC
/SYNC
/RTxC
OSC
Receiver
RX
TX
DPLL
BRG
/TRxC
Baud Rate
Generator Out
Tx DPLL Out
Rx DPLL Out
PCLK
Echo
Baud Rate
Generator
DPLL
Transmitter
Echo
SCC
B
R
G
16x
Output
TxC
RxC
/TRxC Pin
/RTxC Pin
/SYNC Pin
External
Crystal