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ST72E121 数据表(PDF) 55 Page - STMicroelectronics

部件名 ST72E121
功能描述  8-BIT MCU WITH 8 TO 16K OTP/EPROM, 384 TO 512 BYTES RAM, WDG, SCI, SPI AND 2 TIMERS
PDF  92 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

ST72E121 数据表(HTML) 55 Page - STMicroelectronics

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ST72E121 ST72T121
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 34. SCI Baud Rate and Extended Prescaler Block Diagram
TRANSMI TTER
RECEIVER
ETPR
ERPR
EXTE NDED PRESCALER RECEIVER RATE CONTR OL
EXTE NDED PRESCALER TRANSMITTE R RATE CONTROL
EXT ENDED PRESCALER
CLOCK
CLOCK
RECEIVER RATE
TRANSMIT TER RATE
BRR
SCP1
fCPU
CONTROL
CONTR OL
SCP0SCT2 SCT1 SCT0 SCR2 SCR1SCR0
/2
/PR
/16
CONVENTIONAL BAUD RATE GENERATOR
EXTE NDED RECEIVER PRESCALER REGISTER
EXTE NDED TRANS MITTER PRESCALE R REGISTER
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