Boot Option - ST STM3220G-EVAL User Manual

UM1057
Table 1.
Jumper
JP18
(cont.)
JP19
Note: The LED LD9 is lit when the STM3220G-EVAL evaluation board is powered by the 5V
correctly.
2.2

Boot option

The STM3220G-EVAL evaluation board is able to boot from:
●
Embedded User Flash
●
System memory with boot loader for ISP
●
Embedded SRAM for debugging
The boot option is configured by setting switch SW1 (BOOT1) and SW2 (BOOT0). The
BOOT0 can be configured also via RS-232 connector CN16.
Table 2.
BOOT 0
0
1
1
Power related jumpers and solder bridges (continued)
To select USB OTG FS (CN8) power supply, set JP18 as
shown:
To select USB OTG HS (CN9) power supply, set JP18 as
shown:
To select power supply jack (CN18) power supply to both
STM3220G-EVAL and daughterboard connected on CN1
and CN3, set JP18 as shown (daughterboard must not
have its own power supply connected)
To connect Vbat to the battery, set JP19 as shown:
To connect Vbat to 3.3V power, set JP19 as shown:
(Default setting)
Boot related jumpers
BOOT 1
Don't care STM3220G-EVAL boots from User Flash (Default setting)
1 STM3220G-EVAL boots from Embedded SRAM
0 STM3220G-EVAL boots from System Memory
Doc ID 018499 Rev 2
Hardware layout and configuration
Description
Boot source
HS
FS
DTB
PSU
STlk
HS
FS
DTB
PSU
STlk
HS
FS
DTB
PSU
STlk
1 2 3
1 2 3
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