參數(shù)資料
型號： ST72121J2T3/XXX
廠商： STMICROELECTRONICS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PQFP44
封裝： PLASTIC, TQFP-44
文件頁數(shù)： 47/87頁
文件大?。?/td> 1365K
代理商： ST72121J2T3/XXX
51/87
ST72121
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
Figure 33. SCI Baud Rate and Extended Prescaler Block Diagram
TRANSMITTER
RECEIVER
ETPR
ERPR
EXTENDED PRESCALER RECEIVER RATE CONTROL
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
EXTENDED PRESCALER
CLOCK
RECEIVER RATE
TRANSMITTER RATE
BRR
SCP1
fCPU
CONTROL
SCP0 SCT2 SCT1 SCT0 SCR2 SCR1SCR0
/2
/PR
/16
CONVENTIONAL BAUD RATE GENERATOR
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED TRANSMITTER PRESCALER REGISTER
51
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