參數(shù)資料
型號: ST72121J4
元件分類: 8位微控制器
英文描述: 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash
中文描述: 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存
文件頁數(shù): 56/93頁
文件大小: 915K
代理商: ST72121J4
56/93
ST72E121 ST72T121
SERIAL COMMUNICATIONS INTERFACE
(Cont’d)
Figure 34. SCI Baud Rate and Extended Prescaler Block Diagram
TRANSMITTER
CLOCK
RECEIVER
CLOCK
ETPR
ERPR
EXTENDED PRESCALER RECEIVER RATE CONTROL
EXTENDED PRESCALER TRANSMITTER RATE CONTROL
EXTENDED PRESCALER
RECEIVER RATE
CONTROL
TRANSMITTER RATE
CONTROL
BRR
SCP1
f
CPU
SCP0SCT2 SCT1SCT0SCR2 SCR1SCR0
/2
/PR
/16
CONVENTIONAL BAUD RATE GENERATOR
EXTENDED RECEIVER PRESCALER REGISTER
EXTENDED TRANSMITTER PRESCALER REGISTER
56
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