Stlink-V3E Firmware Upgrade; Using An External Debug Tool To Program And Debug The Onboard Stm32; Figure 5. Usb Composite Device; Figure 6. Connecting An External Debug Tool To Program The On-Board Stm32L5 - ST STM32L562E-DK User Manual

Note: 37xx:
• 374E for STLINK-V3E without bridge functions
• 374F for STLINK-V3E with bridge functions
6.1.3

STLINK-V3E firmware upgrade

The STLINK-V3E embeds a firmware upgrade mechanism for in‑place upgrades through the USB port. The
firmware might evolve during the lifetime of the STLINK-V3E product (for example new functionalities, bug fixes,
support for new microcontroller families). Visit the
DK Discovery kit and periodically, to stay up-to-date with the latest firmware version.
6.1.4

Using an external debug tool to program and debug the onboard STM32

Two basic ways to support an external debug tool:
1. Keep the embedded STLINK-V3E running. Power on the STLINK-V3E at first until the COM LED lights RED.
Then connect the external debug tool through the STDC14/MIPI10 debug connector (CN8).
2. Set the embedded STLINK-V3E in a high‑impedance state. When setting the jumper JP6 (STLK_RST) ON,
the embedded STLINK-V3E is in the RESET state and all GPIOs are in high impedance. Then the user can
connect the external debug tool to the debug connector (CN8).
BOTTOM SIDE
ST-LINK
STM32
(bottom side)
(U25)
STLK_RST
(JP6)
ST-LINK
USB
(bottom side)
(CN17)
UM2617 - Rev 7
Figure 5.
Figure 6. Connecting an external debug tool to program the on-board STM32L5
USB composite device
www.st.com website before starting to use the STM32L562E-
TOP SIDE
LCD 240x240 + CTP
UM2617
Embedded STLINK-V3E
STDC14/
MIPI10
connector
(CN8)
5V PWR 5V PWR source
(LD12) (JP4 [1-2])
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