Hardware layout and configuration UM2271
16/78 DocID030906 Rev 2
Figure 7. 32L4R9IDISCOVERY mechanical drawing (bottom view, in mm)
Plastic spacer height = 13 mm, overall height = 26 mm ± 1 mm
10.3 Embedded ST_LINK/V2-1
The ST-LINK/V2-1 programming and debugging tool is integrated on the
32L4R9IDISCOVERY board. Compared to ST-LINK/V2, the changes are listed below:
• new features supported on ST-LINK/V2-1:
– USB software re-enumeration
– Virtual Com port interface on USB
– Mass storage interface on USB
– USB power management request for more than 100 mA power on USB
• features no more supported on ST-LINK/V2-1:
–SWIM interface
– Application voltage lower than 3 V
For general information concerning the debugging and programming features that are
common to both versions V2 and V2-1, refer to ST-LINK/V2 in-circuit
debugger/programmer.
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