ST72124J View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST72124J

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

STMicroelectronics 

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ST72334J/N, ST72314J/N, ST72124J

SERIAL COMMUNICATIONS INTERFACE (Cont’d)

Figure 54. SCI Baud Rate and Extended Prescaler Block Diagram

EXTE NDED PRESCALER TRANSMITTE R RATE CONTROL

ETPR

EXTE NDED TRANS MITTER PRESCALE R REGISTER

ERPR

EXTE NDED RECEIVER PRESCALER REGISTER

fCPU

/16

EXTE NDED PRESCALER RECEIVER RATE CONTROL

EXTENDED PRESCALER

/2

/PR

TRANSMIT TER RATE

CONTR OL

BRR

SCP1SCP0SCT2 SCT1 SCT0 SCR2 SCR1SCR0

RECEIVER RATE

CONTROL

CONVENTIONAL BAUD RATE GENERATOR

TRANSMI TTER

CLOCK

RECE IVER

CLOCK

88/125

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