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The JTAG-interface of the mounted 4 x 5 SoM can be accessed via header JX1. This header has a 'XMOD FTDI JTAG Adapter'-compatible pin-assignment:

JX1 pinJX1 pin net-nameB2B
C (pin 4)TCKJB3-100
D (pin 8)TDOJB3-98
F (pin 10)TDIJB3-96
H (pin 12)TMSJB3-94
A (pin 3)MIO15JB1-86 (usable as UART RX/TX-line)
B (pin 7)MIO14JB1-91 (usable as UART RX/TX-line)
E (pin 9)BOOTMODEJB1-90 (JTAGSELECT)
G (pin 11)RESINJB3-17

Table 3: JTAG header JX1 pin-assignment

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Two LEDs are present on the TEBB0714 base-board with following functionality:

 LED designatorcolorpin net-nameB2B-connectorindicating
D1greenMIO9JB1-92available to user
D2redRLEDJB3-90available to user

Table 4: LED's functionality

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The external power-supply can be connected to the board by the following pins:

Connector3.3V pinGND pin
JX1

JX1-5, JX1-6,

JX1-1, JX1-2
J3J3-5, J3-6J3-1, J3-2
J4J4-5J4-1, J4-2
J20J20-5, J20-46J20-1 , J20-2 , J20-49 , J20-50
J17J17-5, J17-46J17-1 , J17-2 , J17-49 , J17-50

Table 4: Connector-pins capable for external 3.3V power-supply

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