ST72C334J4TAE STMicroelectronics, ST72C334J4TAE Datasheet - Page 87

• Manufacturer Part Number: ST72C334J4TAE
• Description: 8-bit MCU for automotive with single voltage Flash/ROM memory, ADC, 16-bit timers, SPI, SCI interfaces
• Manufacturer: STMicroelectronics

SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 47. SCI Block Diagram
TDO
RDI
f
CPU
CR2
TIE
TRANSMITTER
INTERRUPT
CONTROL
TCIE
CLOCK
Transmit Data Register (TDR)
/16
SCI
TRANSMIT
CONTROL
RIE
Transmit Shift Register
Write
ILIE
/2
TE
RE
ST72334xx-Auto, ST72314xx-Auto, ST72124Jx-Auto
/PR
RWU
WAKE
UNIT
UP
R8
SBK
CONVENTIONAL BAUD RATE GENERATOR
T8
SCP1
Received Data Register (RDR)
Read
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
-
TRANSMITTER RATE
Received Shift Register
TDRE TC RDRF IDLE OR
M
CONTROL
RECEIVER
WAKE
CONTROL
(DATA REGISTER) DR
-
RECEIVER RATE
CONTROL
-
CR1
-
NF
BRR
RECEIVER
FE
CLOCK
SR
-
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