Connectors; Breakout Pads - Silicon Laboratories SLSTK3701A User Manual

4. Connectors

4.1 Breakout Pads

Most of the EFM32's GPIO pins are available on two pin header rows at the top and bottom edges of the board. These have a standard
2.54 mm pitch, and pin headers can be soldered in if required. In addition to the I/O pins, connections to the different power rails and
ground are also provided. Note that some of the pins are used for kit peripherals or features, and may not be available for a custom
application without trade-offs.
The figure below shows the pinout of these "breakout pads", as well as the pinout of the "Expansion Header" situated on the right-hand
side of the board. The expansion header is further explained in the next section. The breakout pad connections are also printed in silk
screen next to each pin for easy reference.
J102
J101
The table below shows the connections of each pin of the breakout pads. They also show which kit peripherals or features are connec-
ted to the different pins.
Pin EFM32 Shared feature
I/O pin
1 VMCU EFM32 voltage domain (measured by
AEM)
3 GND Ground
5 PI0
7 PI1
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Figure 4.1. Breakout Pads and Expansion Header
Table 4.1. Bottom Row (J101) Pinout
UG287: EFM32 Giant Gecko GG11 Starter Kit User's Guide
PE13
PE12
PE11
PE10
VMCU
Simplicity
Debug
Connector
Connector
Pin EFM32 Shared feature
I/O pin
2 VMCU EFM32 voltage domain (measured by
AEM)
4 GND Ground
6 PI11
8 PI12
Connectors
EXP Header
3V3 Board ID SDA
5V Board ID SCL
PC0 PC1
PE9 PB9
PE8 PB11
PC5
PC4
PA13
PA12
GND
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