5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
4WSTK Connectors & Board ID
EFR32 Signal Assignments
Board Function Page
1
2
3
RF, Antenna & Power
Title Page
EFR32xG21 Radio Board
2.4 GHz 0/10dBm, with EFP
EFR32xG21 Radio Board
2.4 GHz 0/10dBm, with EFP
EFR32xG21 Radio Board
2.4 GHz 0/10dBm, with EFP
Revision History
Rev. Description
A00 Init. rev. based on BRD4179A Rev. A00.
0/10dBm match. Improved filter for EFPA01
out. No C105. Fixed L305, L304 OPN.
Updated EFP01 to IC rev. D.
Xtal, pinmap, RF and EFP updates.
A02
A03 R212 is mounted. Fixed net aliases.
Revision History
Rev. Description
A00 Init. rev. based on BRD4179A Rev. A00.
0/10dBm match. Improved filter for EFPA01
out. No C105. Fixed L305, L304 OPN.
Updated EFP01 to IC rev. D.
Xtal, pinmap, RF and EFP updates.
A02
A03 R212 is mounted. Fixed net aliases.
Revision History
Rev. Description
A00 Init. rev. based on BRD4179A Rev. A00.
0/10dBm match. Improved filter for EFPA01
out. No C105. Fixed L305, L304 OPN.
Updated EFP01 to IC rev. D.
Xtal, pinmap, RF and EFP updates.
A02
A03 R212 is mounted. Fixed net aliases.
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A03
BRD4179B
Tuesday, February 18, 2020 1 4
A3
PMI TAB
EFR32xG21 2.4 GHz 0/10 dBm Radio Board with EFP
<Cage Code>
Friday, November 03, 2017Friday, November 03, 2017
Title Page
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A03
BRD4179B
Tuesday, February 18, 2020 1 4
A3
PMI TAB
EFR32xG21 2.4 GHz 0/10 dBm Radio Board with EFP
<Cage Code>
Friday, November 03, 2017Friday, November 03, 2017
Title Page
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A03
BRD4179B
Tuesday, February 18, 2020 1 4
A3
PMI TAB
EFR32xG21 2.4 GHz 0/10 dBm Radio Board with EFP
<Cage Code>
Friday, November 03, 2017Friday, November 03, 2017
Title Page
PCB1
PCB4179B
COPYRIGHT SILICON LABORATORIES INC. 2020 CONFIDENTIAL - SUBJECT TO TERMS OF USE
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
WWARRANT 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.
5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
High Frequency Crystal
Antenna & Radio Interface
2.4 GHz matching network
RF Shielding
Antenna
tuning
component
EFP01 DCDC Power & Decoupling
GND
GND
GND
GND
GND GND
GND
GND
VEFP
GND
GND
VEFP
VEFP
GND
GNDGND
VMCU
GND
GND
GND
GND
VEFP
VEFP
VMCU
GND
GND
GND
GND
GND
GND
VDEC
VDEC
GND
VMCU
GND
GND
GNDGND
GND
EFP_SDA
EFP_SCL
EFP_IRQ
EFR32_RESET
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A03
BRD4179B
Tuesday, February 18, 2020 2 4
A3
PMI TAB
EFR32xG21 2.4 GHz 0/10 dBm Radio Board with EFP
<Cage Code>
Friday, November 03, 2017Friday, November 03, 2017
RF, Antenna & Power
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A03
BRD4179B
Tuesday, February 18, 2020 2 4
A3
PMI TAB
EFR32xG21 2.4 GHz 0/10 dBm Radio Board with EFP
<Cage Code>
Friday, November 03, 2017Friday, November 03, 2017
RF, Antenna & Power
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A03
BRD4179B
Tuesday, February 18, 2020 2 4
A3
PMI TAB
EFR32xG21 2.4 GHz 0/10 dBm Radio Board with EFP
<Cage Code>
Friday, November 03, 2017Friday, November 03, 2017
RF, Antenna & Power
R302
0R
C104
2U2
C4
0P5
C315
4U7
C101
12P
C308
100N
C3
2P7
C312
1U
R1
0R
C100
47N
L304
2U2
X1
38.400MHz
31
2
4
J1 NM
1 2
C309
10U
R205
0R
C111
1U
C314
1U
C106
1U
L100
9N1
R2
0R
NM
L306
BLM18AG601SN1
1 2
L305
2U2
C310
100N
U2 EFP0104GM20
GND
1
GND
16
GND
6
DCDC GND
9
GND
2
GND
19
GND
20
VDDA
3
VOB
4
LB
5
LA1
7
VDDB
8
VOA
10
LA2
11
VOA_SW
12
VOC
13
VIO
14
I2C_SCL
15
I2C_SDA
17
IRQ
18
EP
21
C306
100N
L101
9N1
J2 NM
1 2
C109
100N
C2
0P9
L3
0R
Analog Supply
I/O Supply
Reset
Ground
Digital Supply
Digital Logic
U1C
EFR32MG21A010F1024IM32
RESETn
9
DVDD
25
DECOUPLE
24
IOVDD
27
AVDD
26
GND
0
TP21
C107
10N
C102
47N
L1
2N1
R303
1R
Ground
RF I/ORF Crystal
RF Analog Power
PA Power
U1B
EFR32MG21A010F1024IM32
RF2G4_IO2
12
RF2G4_IO1
13
RFVDD
10
HFXTALP
7
HFXTALN
8
PAVDD
14
RFGND
11
P2
U.FL
3
2
1
RF SHIELD
FRAME
SH100
NM
GND
1
C108
1U
R301
0R
C103
12P
RF SHIELD
COVER
SH101
NM
C1
1P9
C313
100N
AT1
INVERTED_F
C307
10U
50R_R1 50R_IFA
50R_P2
50R_Lant2
COPYRIGHT SILICON LABORATORIES INC. 2020 CONFIDENTIAL - SUBJECT TO TERMS OF USE