
Contents
1 Supported radio modules 5
2 Functional description 6
2.1 Takingintooperation............................... 6
3 Development board 7
3.1 Blockdiagram................................... 7
3.2 Jumpers...................................... 8
3.3 Connectors and pin headers . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
3.3.1 CON1 .................................. 11
3.3.2 CON2 .................................. 11
3.3.3 CON3 .................................. 12
3.3.4 P3 .................................... 12
3.3.5 P4 .................................... 12
3.4 Buttons ...................................... 13
3.4.1 RESETbutton.............................. 14
3.5 Functionblocks.................................. 14
3.5.1 Powersupply .............................. 14
3.5.1.1 Bus powered, power supply through USB . . . . . . . . . . . . 14
3.5.2 P1 - Current measurement . . . . . . . . . . . . . . . . . . . . . . . 14
3.5.3 UARTviaUSB.............................. 14
3.5.4 UARTdirect ............................... 14
3.5.5 LFXOcrystal .............................. 14
3.5.6 Programming interface . . . . . . . . . . . . . . . . . . . . . . . . . 16
3.6 Schematic..................................... 17
3.7 Layout....................................... 18
3.8 Billofmaterials.................................. 20
4 Regulatory compliance information 21
4.1 EuropeanConformity............................... 21
4.2 FCC ........................................ 21
4.3 Exemptionclause................................. 21
5 References 22
6 Important notes 23
6.1 General customer responsibility . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.2 Customer responsibility related to specific, in particular safety-relevant ap-
plications ..................................... 23
6.3 Best care and attention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.4 Customer support for product specifications . . . . . . . . . . . . . . . . . . 23
6.5 Productimprovements.............................. 24
6.6 Productlifecycle ................................. 24
6.7 Propertyrights .................................. 24
6.8 General terms and conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 24
7 Legal notice 25
7.1 Exclusionofliability................................ 25
7.2 Suitability in customer applications . . . . . . . . . . . . . . . . . . . . . . . 25
7.3 Trademarks .................................... 25
PROTEUS-E/OPHELIA-I Evaluation board user manual version 1.0 © January 2022
www.we-online.com/wireless-connectivity 3