ST92F120 Datasheet, PDF (191/320 Pages) STMicroelectronics – 8/16-BIT FLASH MCU FAMILY WITH RAM, EEPROM AND J1850 BLPD

SERIAL COMMUNICATIONS INTERFACE (SCI)
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 93. Auto Echo Configuration
TRANSMITTE R
SOUT
REC EIVER
SIN
VR000210
All modes except Synchronous
Figure 94. Loop Back Configuration
DCD
RTS
TRANS MITTER
SOUT
RXC LK
CLKOUT
RECEIVER
SIN
VR00210A
Synchronous mode (SMEN=1)
TRANSMITT ER
LOGICAL 1
SOU T
RECE IVER
SIN
VR000211
All modes except Synchronous
DCD
RTS
stand-by
value
stand-by
TRANSMIT TER _value SOUT
clock
data
RXCLK
CLKOUT
stand-by
value
REC EIVER
SIN
VR00211A
Synchronous mode (SMEN=1)
Figure 95. Auto Echo and Loop-Back Configuration
TRANSMI TTER
SOUT
RECEIVE R
SIN
VR000212
All modes except Synchronous
DCD
RTS
TRANSMIT TER
SOUT
clock
RXCLK
CLKOUT
REC EIVER
data
SIN
VR00212A
Synchronous mode (SMEN=1)
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