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C C
B B
A A
Board Function Page
Title Page 1
Rev. Description
Revision History
Thunderboard EFM32PG22
A00 Initial version
EFM32PG22C200F512IM40-C
EFM32PG22
Sensors and Peripherals
Power and Mini Simplicity
On-board Debugger
2
3
4
5
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A00
BRD2503A
Monday, July 27, 2020 1 5
A3
FM JSH
Thunderboard EFM32PG22
Monday, June 15, 2020Friday, June 12, 2020
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
A00
BRD2503A
Monday, July 27, 2020 1 5
A3
FM JSH
Thunderboard EFM32PG22
Monday, June 15, 2020Friday, June 12, 2020
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
A00
BRD2503A
Monday, July 27, 2020 1 5
A3
FM JSH
Thunderboard EFM32PG22
Monday, June 15, 2020Friday, June 12, 2020
Title Page
PCB1
PCB2503A
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
EFM32PG22 IOs & Signal Assignments
EFM32PG22 Power Section
Silkscreen:
RESET
VDCDC
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GNDVMCU
VMCU
VMCU
EFM32_BUTTON0
EFM32_IMU_INT
EFM32_SPI_MISO
DBG_SWCLK
DBG_SWDIO
DBG_VCOM_RX
DBG_VCOM_CTS
SI_DBG_SWCLK
SI_DBG_SWDIO
SI_UART_RX
TARGET_RESET
EFM32_MIC_ENABLE
EFM32_SENSOR_ENABLE
EFM32_SPI_IMU_CS#
EFM32_LED0
EFM32_IMU_ENABLE
EFM32_SPI_MOSI
EFM32_SPI_SCLK
EFM32_SPI_FLASH_CS#
EFM32_I2C_SCL
EFM32_I2C_SDA
DBG_SWO
DBG_VCOM_TX
DBG_VCOM_RTS
SI_DBG_SWO
SI_UART_TX
EFM32_PDM_DATA
EFM32_PDM_CLK
EXP_HEADER[16..3]
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A00
BRD2503A
Thursday, August 06, 2020 2 5
A3
FM JSH
Thunderboard EFM32PG22
Monday, June 15, 2020Friday, June 12, 2020
EFM32PG22
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A00
BRD2503A
Thursday, August 06, 2020 2 5
A3
FM JSH
Thunderboard EFM32PG22
Monday, June 15, 2020Friday, June 12, 2020
EFM32PG22
Size
Designed:
Revision
Sheet
of
Approved:
Sheet Created Date Sheet Modified Date
Document number
Schematic Title
Design Created Date:
BOM Doc No:
Page Title
A00
BRD2503A
Thursday, August 06, 2020 2 5
A3
FM JSH
Thunderboard EFM32PG22
Monday, June 15, 2020Friday, June 12, 2020
EFM32PG22
C15
100N
U1A
EFM32PG22
PA00
21
PA01
22
PA02
23
PA03
24
PA04
25
PA05
26
PA06
27
PA08
29
PB00
20
PB01
19
PB02
18
PB03
17
PB04
16
PC00
1
PC01
2
PC02
3
PC03
4
PC04
5
PC05
6
PC06
7
PC07
8
PD00
40
PD01
39
PD02
38
PD03
37
PA07
28
C13
100N
X1
38.4 MHz
31
2
4
C7
4U7
L8
742692004
1 2
L3
2U2
C1
100N
C14
1U
R16 22R
SW1
PTS810
1
2
3
4
R1
100R
X2
32.768 kHz
21
C9
100N
DC/DC Regulator
Analog Supply
I/O Supply
Reset
Ground
Digital Supply
Digital Logic
Digital Regulator
HF Crystal
No-Connect
U1B
EFM32PG22
RESETn
11
DVDD
12
DECOUPLE
30
IOVDD
36
VSS_PAD
0
AVDD
35
VREGVDD
32
VREGSW
31
VREGVSS
33
HFXTAL_I
9
HFXTAL_O
10
DVDD
34
DVDD
15
NC
14
VSS
13
C20
10U
C21
10N
R6
1R
C16
2U2
C8
10U
EFM32_PA0
EFM32_PB4
EFM32_PC7
EFM32_PC6
EFM32_PC3
EFM32_PC2
EFM32_PC1
EFM32_PC0
EXP_HEADER16
EXP_HEADER15
EXP_HEADER4
EXP_HEADER6
EXP_HEADER8
EXP_HEADER12
EXP_HEADER14
EXP_HEADER5
EFM32_PA7
EXP_HEADER3
EFM32_PA8
EFM32_PA3
EFM32_PA1
EFM32_PA2
EFM32_PA1
EFM32_PA2
EFM32_PA3
EFM32_PA8
EFM32_PA7
EFM32_PA6
EFM32_PA5
EFM32_PA4
EFM32_PA3
EFM32_PA2
EFM32_PA1
EFM32_PA0
EFM32_PD3
EFM32_PD2
EFM32_PD1
EFM32_PD0
EXP_HEADER10
EFM32_PB2
EFM32_PD3
EFM32_PD2
EFM32_PA4
EXP_HEADER9
EXP_HEADER7
EFM32_PB0
EFM32_PB1
EXP_HEADER13
EFM32_PB3
EFM32_PC7
EFM32_PC6
EFM32_PC0
EFM32_PC1
EFM32_PC2
EFM32_PC3
EFM32_PA5
EFM32_PA6
EXP_HEADER11
COPYRIGHT SILICON LABORATORIES INC. 2020 CONFIDENTIAL - SUBJECT TO TERMS OF USE