SWRS206E March 2017 – May 2021 CC3220MOD , CC3220MODA
PRODUCTION DATA
Refer to the PDF data sheet for device specific package drawings
The RF section of this wireless module gets top priority in terms of layout. It is very important for the RF section to be laid out correctly to ensure optimum performance from the module. A poor layout can cause low-output power, EVM degradation, sensitivity degradation, and mask violations.
Figure 10-2 shows the RF placement and routing of the CC3220MODx module with external antenna.
Figure 10-2 RF Section LayoutFollow these RF layout recommendations for the CC320MODx device:
For optimal RF performance, ensure the copper cut out on the top layer under the RF-BG pin (pin 31) is as shown in Figure 10-3.
Figure 10-3 Top Layer Copper Pullback on RF Pads