參數(shù)資料
型號: IT8712F
英文描述: EC-LPC I/O Programming Guide EC-v0.2 | PC Product Line
中文描述: 歐盟預測編碼的I / O編程指南歐共體v0.2 |個人電腦產(chǎn)品線
文件頁數(shù): 26/30頁
文件大小: 311K
代理商: IT8712F
www.ite.com.tw 22
www.iteusa.com
IT8710F Programming Guide
Set TX baud rate
Set TX modulation parameter:
carrier frequency, pulse mode,
pulse width, deferral mode.
Set TX FIFO mode.
Make sure TX FIFO byte count is 0.
And TXUDR bit is 1.
If FIFO is not cleared again,
then send data into FIFO.
Identify if Transmitter
low data level
interrupt is on ISR.
Go in I/O configuration
Save original value
PIO mode or
Interrupt mode
Poll theTSR
register if byte count
left is enough.
Data all sent
out
Send next data
frame to FIFO
Go in
I/O Configuration.
Disable CIR.
Restore parameter.
Set LDN=09h
Enable CIR, select interrupt
level, clock select.
Hook system interrupt.
Interrupt
mode
PIO
mode
Yes
Figure 4-10. CIR TX Flow Chart
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