ST72324xx-Auto
Figure 55. SCI block diagram
On-chip peripherals
Write
Read
(Data Register) DR
TDO
Transmit Data Register (TDR)
Received Data Register (RDR)
Transmit Shift Register
Received Shift Register
RDI
) CR1
t(s R8 T8 SCID M WAKE PCE PS PIE
te Produc Transmit
control
Wake
up
unit
bsole CR2
O TIE TCIE RIE ILIE TE RE RWU SBK
Receiver
control
Receiver
clock
SR
TDRE TC RDRF IDLE OR NF FE PE
t(s) - SCI
c Interrupt
u control
rod Transmitter
Pclock
Obsolete fCPU
/16
/PR
Transmitter rate
control
BRR
SCP1SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
Receiver rate
control
Conventional baud rate generator
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