UM2411 Rev 2 23/61
UM2411 Connectors
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6.2 STLINK-V3E USB Micro-B connector CN2
USB connector CN2 is used to connect the embedded STLINK-V3E to the PC for
programming and debugging software.
Figure 9. USB Micro-B connector CN2
6.3 SPDIF input RCA connector CN3
6.4 STLINK-V3E MCU programming header CN4
The 4-pin STLINK-V3E MCU programming header offers a way to program and debug an
MCU in an external application board using a dedicated cable connected to it.
Note: The STLINK-V3E MCU programming header is not populated by default. Its use is reserved
to advanced users.
Table 6. USB Micro-B connector CN2
Pin number Description Pin number Description
1 VBUS (power) 4 NC
2DM 5GND
3DP --
Table 7. SPDIF input RCA connector CN3
Pin number Description Pin number Description
1 SPDIF_RX0 (PD7) 3 GND
2GND 4GND
Table 8. STLINK-V3E MCU programming header CN4
Pin number Description Pin number Description
13V3 3GND
2 SWCLK (PA14) 4 SWDIO (PA13)
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