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UM2248
10.14
Power connector CN18
The STM32L4R9I-EVAL board is power-able with a DC 5 V power supply via the external
power supply jack (CN18) shown in
10.15
ST-LINK/V2-1 programming connector CN19
The connector CN19 is used only for embedded ST-LINK/V2-1 programming during board
manufacturing. It is not populated by default and not for end users.
10.16
TFT LCD connector CN20 (RGB)
A TFT-color LCD board is mounted on CN20. Refer to
10.17
ST-LINK/V2-1 USB Micro-B connector CN21
The USB connector CN21 is used to connect on board ST-LINK/V2-1 facility to a PC for
programming and debugging purposes.
Pin number
1
Figure
Figure 20. Power-supply connector CN18 (front view)
Figure 21. USB Micro-B connector CN21 (front view)
Table 37. USB Micro-B connector CN21 (front view)
Description
VBUS (power)
DocID030791 Rev 2
20. The central pin of CN18 must be positive.
Section 9.30
Pin number
4
Connectors
for details.
Description
GND
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