Figure 3. Top Layout - ST STM32F334C8 User Manual

UM1735
COM LED (LD2)
SWD connector (CN2)
Reserved (JP1)
5 V power supply input
5 V power supply output
STM32F334C8T6
High-brightness LED
(LD7)
User button (B1)
Vin
buck-boost converter
(CN5)

Figure 3. Top layout

ST-LINK/V2-1
USB ST LINK USB ST-LINK USB ST-LINK
UM1735 Rev 3
Hardware layout
PWR LED
(LD1)
3 V power
supply output
ST-LINK/DISCOVERY
selector (CN3)
BOOT0 configuration
IDD measurement
(JP3)
RX, TX (JP4)
Red LED (LD3)
Green LED (LD5)
Orange LED (LD4)
Blue LED (LD6)
Reset button (B2)
Vout
buck-boost converter
(CN7)
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