ST7LITE3XF2 Datasheet, PDF (92/173 Pages) STMicroelectronics – 8-bit MCU with single voltage Flash, data EEPROM, ADC, timers, SPI, LINSCI™

ST7LITE3xF2
LINSCI™ SERIAL COMMUNICATION INTERFACE (SCI Mode) (cont’d)
Figure 55. SCI Block Diagram (in Conventional Baud Rate Generator Mode)
TDO
RDI
Write
Transmit Data Register (TDR)
Read
(DATA REGISTER) SCIDR
Received Data Register (RDR)
Transmit Shift Register
Receive Shift Register
SCICR1
R8 T8 SCID M WAKE PCE PS PIE
TRANSMIT
CONTROL
WAKE
UP
UNIT
SCICR2
TIE TCIE RIE ILIE TE RE RWU SBK
RECEIVER
CONTROL
RECEIVER
CLOCK
SCISR
TDRE
TC
RDRF IDLE
OR/
LHE
NF
FE
PE
SCI
INTERRUPT
CONTROL
TRANSMITTER
CLOCK
f_CPU
/16
/PR
TRANSMITTER RATE
CONTROL
SCIBRR
SCP1SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
RECEIVER RATE
CONTROL
CONVENTIONAL BAUD RATE GENERATOR
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