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3.6 Simplicity Connector
The Simplicity Connector enables the advanced debugging features, such as the AEM, the virtual COM port and the Packet Trace Inter-
face, to be used towards an external target. The pinout is illustrated in the figure below.
VMCU
1
33V3
5
5V
15
GND
13
GND
11
GND
9
GND
7
GND
17
BOARD_ID_SCL
19
BOARD_ID_SDA
2
VCOM_TX
4 VCOM_RX
6 VCOM_CTS
8
VCOM_RTS
10
PTI0_SYNC
12
PTI0_DATA
14
PTI0_CLK
16
PTI1_SYNC
18
PTI1_DATA
20
PTI1_CLK
Figure 3.5. Simplicity Connector
Note: Current drawn from the VMCU voltage pin is included in the AEM measurements, while the 3V3 and 5V voltage pins are not. To
monitor the current consumption of an external target with the AEM, unplug the radio board from the Wireless STK Mainboard to avoid
adding the radio board current consumption to the measurements.
Table 3.3. Simplicity Connector Pin Descriptions
Pin Number(s) Function Description
1 VMCU 3.3 V power rail, monitored by the AEM
3 3V3 3.3 V power rail
5 5V 5 V power rail
2 VCOM_TX Virtual COM Tx
4 VCOM_RX Virtual COM Rx
6 VCOM_CTS Virtual COM CTS
8 VCOM_RTS Virtual COM RTS
10 PTI0_SYNC Packet Trace 0 Sync
12 PTI0_DATA Packet Trace 0 Data
14 PTI0_CLK Packet Trace 0 Clock
16 PTI1_SYNC Packet Trace 1 Sync
18 PTI1_DATA Packet Trace 1 Data
20 PTI1_CLK Packet Trace 1 Clock
17 BOARD_ID_SCL Board ID SCL
19 BOARD_ID_SDA Board ID SDA
7, 9, 11, 13, 15 GND Ground
UG185: EFR32FG1 2400/169 MHz Dual Band Radio Board User's Guide
Connectors
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