User's Manual

FLC-BTM403 Series User Manual
Flaircomm Technologies Confidential
-23-
arrangement by simple parallel connection of slave SPI_MISO lines. The SPI interface is needed
when debugging the Bluetooth functions so please leave test points/pads as shown in Figure 16 on
PCB.
System
Mainboard
The Module
SPI-CSB
SPI-MISO
SPI-MOSI
SPI-CLK
GND
Pad or
Connector
VDD
PC
Download Cable &
Adaptor by Flaircomm
Figure 16: Design SPI for In-System Programming and Debug