參數(shù)資料
型號: XE8801AMI000WP
廠商: Semtech
文件頁數(shù): 113/135頁
文件大?。?/td> 0K
描述: SENSING MACHINE WITH 16 + 10 BIT
標準包裝: 558
系列: XE880x
應(yīng)用: 感測機
核心處理器: Coolrisc816?
程序存儲器類型: 閃存(22 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
輸入/輸出數(shù): 24
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 模具
包裝: 托盤
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
其它名稱: Q2722595
Semtech 2005
www.semtech.com
14-7
XE8801A – SX8801R
14.8
Software hints
Example of program for a transmission with polling:
1.
The RegUartCmd register and the RegUartCtrl register are initialized (for example: 8 bit word length, odd
parity, 9600 baud, enable Uart transmission).
2.
Write a byte to RegUartTx.
3.
Wait until the UartTxFull bit in RegUartTxSta register equals 0.
4.
Jump to 2 to write the next byte if the message is not finished.
5.
End of transmission.
Example of program for a transmission with interrupt:
1.
The RegUartCmd register and the RegUartCtrl register are initialized (for example: 8 bit word length, odd
parity, 9600 baud, enable Uart transmission).
2.
Write a byte to RegUartTx.
3.
After an interrupt and if the message is not finished, jump to 2
4.
End of transmission.
Example of program for a reception with polling:
1.
The RegUartCmd register and the RegUartCtrl register are initialized (for example: 8 bit word length, odd
parity, 9600 baud, enable Uart reception).
2.
Wait until the UartRxFull bit in the RegUartRxSta register equals 1.
3.
Read the RegUartRxSta and check if there is no error.
4.
Read data in RegUartRx.
5.
If data is not equal to End-Of-Line, then jump to 2.
6.
End of reception.
Example of program for a reception with interrupt:
1.
The RegUartCmd register and the RegUartCtrl register are initialized (for example: 8 bit word length, odd
parity, 9600 baud, enable Uart reception).
2.
When there is an interrupt, jump to 3
3.
Read RegUartRxSta and check if there is no error.
4.
Read data in RegUartRx.
5.
If data is not equal to End-Of-Line, then jump to 2.
6.
End of reception.
Not
Recommended
for
New
Designs
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