Sci Mode - Functional Description; Conventional Baud Rate Generator Mode; Figure 77. Sci Block Diagram (In Conventional Baud Rate Generator Mode) - STMicroelectronics ST72361 Auto Series Manual

LINSCI serial communication interface (LIN master/slave)

Figure 77. SCI block diagram (in conventional baud rate generator mode)

TDO
RDI
15.5

SCI mode - functional description

15.5.1

Conventional baud rate generator mode

The block diagram of the serial control interface in conventional baud rate generator mode is
shown in
It uses four registers:
●
2 control registers (SCICR1 and SCICR2)
●
A status register (SCISR)
●
A baud rate register (SCIBRR)
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Write
Transmit Data Register (TDR)
Transmit Shift Register
TRANSMIT
CONTROL
SCICR2
TIE TCIE RIE ILIE
SCI
INTERRUPT
CONTROL
TRANSMITTER
CLOCK
f
CPU
/16
Figure 77.
Doc ID 12468 Rev 3
Read
Received Data Register (RDR)
Receive Shift Register
R8 T8 SCID M
WAKE
UP
UNIT
TE RE RWU SBK
TDRE TC RDRF IDLE
TRANSMITTER RATE
/PR
SCP1 SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
CONVENTIONAL BAUD RATE GENERATOR
ST72361xx-Auto
(DATA REGISTER) SCIDR
SCICR1
PCE
WAKE PS PIE
RECEIVER
RECEIVER
CLOCK
CONTROL
OR/
NF
FE
LHE
CONTROL
SCIBRR
RECEIVER RATE
CONTROL
SCISR
PE