User's Manual

CC256x QFN EM User Guide
3
Module Detailed Description
The reference files including schematic, layout, and BOM for the CC256x QFN EM board can be found at the
following link:
CC256x QFN EM v1.2 Reference Design (swrr117)
[1]
Below is a block diagram depicting the input/outputs of the QFN board that is required for interfacing to host
controller. These I/O's can be interfaced to the host controller either through the COM connector or the RF1 & RF2
sockets.
Pin Description
Board Jumpers
For correct operation, please make sure both jumpers are placed for connecting power to the device:
Jumper Configuration
Jumper Description
VBAT_CC Main power supply for CC256x
VDD_1V8 Supplies power to CC256x I/O's