Thank you for your patient and clear reply. I'll try my best to improve :-)
On Tue, Sep 11, 2012 at 2:24 AM, Eric Decker <[email protected]> wrote: > > > On Mon, Sep 10, 2012 at 8:47 PM, Xiaohui Liu <[email protected]> wrote: > >> One additional comment. >> >> >> >>>>> 3) Can USART0 and USART1 be used in parallel? >>>>> >>>> >>>> yes. look at the data sheet. >>>> >>>> >>> > >> *So SPI can be accessed even when UART is transmitting or receiving >> since they are dealt with independent USART modules?* >> > > That is correct. But you really should practice being more precise. It > was clear from the context what you are asking. > > But it would be mo' better to say, "the CC2420 can be accessed via its > SPI bus implemented by USART0 running in SPI mode while at the same time > USART1 is running in UART mode". > > If I didn't already know what you are talking about I would have to say > know because a USART module can't be running in SPI and UART mode > simultaneously. > > Practice clearer communications. > > I assume english isn't your first language (your name), very good english > by the way. > > > eric > > -- -Xiaohui Liu
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