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August 27, 2011
about 4 years ago
Ok, so it appears I misunderstood the datasheet. It should work just fine, either through EUSART or SPI interface.
The datasheet states that some GPIO’s are not available when using AT commands firmware. Multiple “technical” roles are assigned to these pins (GPIO pins serves EUSART and SPI lines as well) : A eusart pin cannot serve both GPIO and EUSART mode when using that EUSART port ! it is obvious.
It should be just fine hopefully.
Hi, An extension cable is soldered to the device, allowing to plug an external antenna to the device.
The device already has an integrated antenna so that tiing external antenna is not mandatory.
I tested the uart port provided by the eval. board. It works just fine.
Now is it possible to drive SM5100B through SPI port using AT command set ?
(Of course I have a picmicro to handle both protocols. My picmicro provides 2 usarts and 1 or 2 SPI, both usarts are used. No SPI are used. And SM5100B datasheets are not informative enough to tell)
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