TI中文支持网如题，关于CC2530，CSP指令，ISFLUSHTX和SFLUSHTX有和区别呢？
Susan Yang：
可以参考CC2530的用户指南
23.14.9.42 ISFLUSHTX
Function: Flush TXFIFO buffer
Description: The ISFLUSHTX instruction immediately flushes the TXFIFO buffer.
Operation: SFLUSHTX
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SFLUSHTX
Function: Flush TXFIFO buffer
Description: The SFLUSHTX instruction flushes the TXFIFO buffer. The instruction waits for the radio to acknowledge the command before executing the next instruction.
Operation: SFLUSHTX
Susan Yang：
用户指南 http://www.ti.com.cn/cn/lit/ug/swru191f/swru191f.pdf
