ST72T331 STMICROELECTRONICS [STMicroelectronics], ST72T331 Datasheet - Page 63

• Manufacturer Part Number: ST72T331
• Description: 8-BIT MCU WITH 8 TO 16K OTP/EPROM, 256 EEPROM, 384 TO 512 BYTES RAM, ADC, WDG, SCI, SPI AND 2 TIMERS
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 39. SCI Baud Rate and Extended Prescaler Block Diagram
f
CPU
/16
/2
EXTENDED TRANSMITTER PRESCALER REGISTER
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
EXTENDED PRESCALER RECEIVER RATE CONTROL
/PR
SCP1
EXTENDED PRESCALER
CONVENTIONAL BAUD RATE GENERATOR
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
TRANSMITTER RATE
CONTROL
RECEIVER RATE
CONTROL
ERPR
ETPR
BRR
ST72E331 ST72T331
TRANSMITTER
RECEIVER
CLOCK
CLOCK
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