User's Manual
Bluegiga Technologies Oy
Page 24 of 40
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. WT11i 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.