SI47XX-EVB Datasheet, PDF (8/164 Pages) Silicon Laboratories – Thank you for purchasing the Silicon Laboratories

Si47xx-EVB
2. Description
Si47xx EVB consists of a baseboard, a daughtercard with the Si47xx part pre-mounted, and, if applicable, an
antenna card. The baseboard is common and shared among all Si47xx EVBs. The following sections refer to both
the images in the figures and the silkscreen on the Si47xx EVB. Please refer to both when using this guide.
2.1. Si47xx Baseboard
J6
J27
J30
J52
J57
X1
J54
J61
J68
J69
J75
J76
U22 D1 J79 J74 PB1 SW1 J78
J77
Figure 1. Baseboard Connectors, Jumpers, and Devices
Baseboard power connectors/devices:
J79 USB connector (using USB power)
J78 External power connector
J77 Battery connector
J76 Terminal block (TB) power connector
SW1 Switch to select between USB power or Ext power
J61 Jumper: Baseboard power select (3.3 V or TB)
J68 Jumper: Si47xx VIO power select (3.3 V or adjustable voltage via R73 or TB)
J69 Jumper: Si47xx VDD power select (3.3 V or adjustable voltage via R74 or TB)
8
Rev. 0.8