Hardware layout and configuration
UM1817
14/58
DocID026902 Rev 3
Table 2. Power source related jumpers
Jumper
Description
JP15
JP15 is used to select one of the three possible power supply resources. For
power supply jack
(CN16) to the STM32091C-EVAL only, JP15 is set as
shown to the right:
For power supply from the
daughterboard connectors
(CN7) to STM32091C-
EVAL only, JP15 is set as shown to the right:
For power supply from USB (CN12) of ST-LINK/V2-1 to STM32091C-EVAL only,
JP15 is set as shown to the right: (Default Setting)
For power supply from
power supply jack
(CN16) to both STM32091C-EVAL
and daughterboard connected on CN6 and CN7, JP15 is set as shown to the
right (
daughterboard must not have its own power supply connected
)
JP7
The Vbat pin of STM32F091VCT6 is connected to VDD when JP7 is set as
shown to the right (Default setting):
The Vbat pin of STM32F091VCT6 is connected to the 3 V battery when JP7 is
set as shown to the right:
JP10
The VDDIO2 pin of STM32F091VCT6 is connected to 3.3V when JP10 is set as
shown to the right (Default setting):
The VDDIO2 pin of STM32F091VCT6 is connected to VDD_ADJ when JP10 is
set as shown to the right:
PSU
D5
V
STlk
PSU
D5V
ST
lk
PSU
D5V
STlk
PSU
D5V
ST
lk
1 2 3
1 2 3
1 2 3
1 2 3
