參數(shù)資料
型號: MC68HSC05C9A
廠商: Motorola, Inc.
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁數(shù): 79/160頁
文件大?。?/td> 783K
代理商: MC68HSC05C9A
Serial Communications Interface (SCI)
Start Bit Detection
MC68HC05C9A
Rev. 4.0
General Release Specification
MOTOROLA
Serial Communications Interface (SCI)
79
L
G
R
Figure 9-6. SCI Artificial Start Following a Frame Error
Figure 9-7. SCI Start Bit Following a Break
DATA
EXPECTED STOP
DATA SAMPLES
a) Case 1: Receive line low during artificial edge
ARTIFICIAL EDGE
START BIT
DATA
RDI
DATA
EXPECTED STOP
DATA SAMPLES
START EDGE
START BIT
DATA
RDI
b) Case 2: Receive line high during expected start edge
EXPECTED STOP
BREAK
DATA SAMPLES
DETECTED AS VALID START EDGE
START BIT
RDI
START
QUALIFIERS
START EDGE
VERIFICATION
SAMPLES
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