5
4
3
2
1
D D
C C
B B
A A
Initial version based on BRD4166A Rev. D03
with following components not mounted:
- MEMS Microphone
- RGB LEDs
- Pressure Sensor
- UV/Ambient Light Sensor
- Hall-effect Sensor
- Air Quality / Gas Sensor
- IMU Sensor
EFR32 RF & Power 2
Board Function
Page
Title Page
1
Rev. Description
Revision History
Thunderboard Sense 2
A01
LEGAL NOTICE:
SILICON LABORATORIES INC. (“SILICON LABS”) AND/OR ITS LICENSORS DO NOT WARRANT THE ACCURACY
OR COMPLETENESS OF THIS SCHEMATIC OR ANY INFORMATION CONTAINED WITHIN THIS SCHEMATIC.
IT IS PROVIDED “AS-IS” FOR REFERENCE ONLY. SILICON LABS DOES NOT WARRANT THAT THIS DESIGN
WILL MEET THE SPECIFICATIONS, BE SUITABLE FOR YOUR APPLICATION OR FIT FOR ANY PARTICULAR
PURPOSE, OR WILL OPERATE IN YOUR IMPLEMENTATION. SILICON LABS AND ITS LICENSORS DO NOT
WARRANT THAT THE DESIGN IMPLIED IN THIS SCHEMATIC IS PRODUCTION-WORTHY. YOU SHOULD
COMPLETELY VALIDATE AND TEST YOUR DESIGN IMPLEMENTATION TO CONFIRM SYSTEM FUNCTIONALITY
FOR YOUR APPLICATION.
EFR32 Connections & Interfaces 3
MEMS Microphone & RGB LEDs 4
SPI & I2C Sensors 5
Debugger
Board Power & Board ID 7
6
EFR32MG12P332F1024GL125
Size
Designed
Revision
Sheet
of
Approved
Sheet Modified Date
Board Number
Board Name
Page Title
COPYRIGHT SILICON LABORATORIES INC. 2022 CONFIDENTIAL – SUBJECT TO TERMS OF USE
Tuesday, April 19, 2022
1 7
A3
Title Page
MAH RGU
A01
Thunderboard Sense 2
BRD4166C
Size
Designed
Revision
Sheet
of
Approved
Sheet Modified Date
Board Number
Board Name
Page Title
COPYRIGHT SILICON LABORATORIES INC. 2022 CONFIDENTIAL – SUBJECT TO TERMS OF USE
Tuesday, April 19, 2022
1 7
A3
Title Page
MAH RGU
A01
Thunderboard Sense 2
BRD4166C
Size
Designed
Revision
Sheet
of
Approved
Sheet Modified Date
Board Number
Board Name
Page Title
COPYRIGHT SILICON LABORATORIES INC. 2022 CONFIDENTIAL – SUBJECT TO TERMS OF USE
Tuesday, April 19, 2022
1 7
A3
Title Page
MAH RGU
A01
Thunderboard Sense 2
BRD4166C
PCB1
PCB4166A