ST72324BLJ2B5 查看數據表（PDF） - STMicroelectronics

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ST72324BLJ2B5

3V range 8-bit MCU with 8 to 32K Flash/ROM, 10-bit ADC, 4 timers, SPI, SCI interface

STMicroelectronics 

SERIAL COMMUNICATIONS INTERFACE (Cont’d)

Figure 52. 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

ST72324Lxx

TRANSMITTER

CLOCK

RECEIVER

CLOCK

fCPU

/16

TRANSMITTER RATE

CONTROL

/PR

SCIBRR

SCP1SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0

RECEIVER RATE

CONTROL

CONVENTIONAL BAUD RATE GENERATOR

89/154

1

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