UM1537
Hardware layout and configuration
Doc ID 023059 Rev 1
11/52
2.2 Power
supply
The STM320518-EVAL evaluation board is designed to be powered by a 5V DC power
supply and to be protected by PolyZen from incorrect power plug-in events.
It is possible to configure the evaluation board to use any of the following three sources for
the power supply.
●
5V DC power adapter connected to CN15, the power jack on the board (power supply
unit (PSU) on the silk screen). External power supply is not provided with the board.
●
5V DC power with 500 mA limitation from CN13, the USB type B connector of ST-
LINK/V2 (USB 5 V power source (STlk) on silkscreen).
●
5V DC power from CN6, the extension connector for daughterboard (daughterboard
power source (D5V) on silkscreen).
The power source is selected by setting the related jumpers JP8
.
Table 3.
Power source related jumpers
Jumper
Description
JP8
JP8 selects one of the three possible power supply resources.
For the power supply jack
(CN15) to STM320518-EVAL only,
JP8 is set as shown:
For power supply from the daughterboard connectors
(CN6) to
STM320518-EVAL only, JP8 is set as shown:
For power supply from USB (CN13) of ST-LINK/V2 to STM320518-
EVAL only, JP8 is set as shown (default setting):
For power supply from the power supply jack
(CN15) to both
STM320518-EVAL and daughterboard connected on CN5 and CN6,
JP8 is set as shown (the daughterboard must not have its own power
supply connected):
ST
lk
D5V
PS
U
ST
lk
D5V
PS
U
ST
lk
D5V
PS
U
S
Tlk
D5V
PSU
