Data Sheet
Bluegiga Technologies Oy
Page 26 of 44
8 Serial Peripheral Interface (SPI)
The SPI port can be used for system debugging. It can also be used for programming the Flash memory and
setting the PSKEY configurations. WT41-E uses 16-bit data and 16-bit address serial peripheral interface,
where transactions may occur when the internal processor is running or is stopped. SPI interface is connected
using the MOSI, MISO, CSB and CLK pins. Please, contact
support@bluegiga.com for detailed information
about the instruction cycle.