ST STM32F407 - Status Indicators; Connectors; 20-pin Cortex Debug + ETM Connector; USB Interface

 iSYSTEM, March 2021 3/8
Status Indicators
 LD2 LED indicates the 3.3 V supply voltage presence.
 LD1 LED is connected to PB9.
Connectors
 20-pin Cortex Debug + ETM Connector
 USB
Placed on the target board for CPU communication purposes only, cannot to be used to power the
target board.
USB
CPU pin number
CPU pin description
Connector pin name
122
PA11
USB_DM
123
PA12
USB_DP
120
PA9
USBPWR
 ETH
Not populated.
Push button

SW2 - RESET
Jumpers

J2 – boot 0

J3 – boot 1
For using different boot modes, follow microcontroller reference manual.