ST7MC1xx/ST7MC2xx
LINSCI™ SERIAL COMMUNICATION INTERFACE (SCI Mode) (cont’d)
Figure 64. SCI Baud Rate and Extended Prescaler Block Diagram
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
SCIETPR
EXTENDED TRANSMITTER PRESCALER REGISTER
SCIERPR
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED PRESCALER RECEIVER RATE CONTROL
EXTENDED PRESCALER
TRANSMITTER
CLOCK
RECEIVER
CLOCK
fCPU
/16
TRANSMITTER RATE
CONTROL
/PR
SCIBRR
SCP1 SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
RECEIVER RATE
CONTROL
CONVENTIONAL BAUD RATE GENERATOR
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