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ST72321AR Datasheet(PDF) 104 Page - STMicroelectronics

Part # ST72321AR
Description  64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC,FIVE TIMERS, SPI, SCI, I2C INTERFACE
PDF  189 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72321AR Datasheet(HTML) 104 Page - STMicroelectronics

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SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 63. SCI Baud Rate and Extended Prescaler Block Diagram
TRANSMITTER
RECEIVER
SCIETPR
SCIERPR
EXTENDED PRESCALER RECEIVER RATE CONTROL
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
EXTENDED PRESCALER
CLOCK
CLOCK
RECEIVER RATE
TRANSMITTER RATE
SCIBRR
SCP1
fCPU
CONTROL
CONTROL
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
/PR
/16
CONVENTIONAL BAUD RATE GENERATOR
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED TRANSMITTER PRESCALER REGISTER



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