ST STM32H757I-EVAL User Manual

Table 32. USB OTG2_FS Micro-AB connector CN18
Pin number Description Pin number Description
1
V
BUS
(PA9)
4 ID (PA10)
2 D- (PA11) 5 GND
3 D+ (PA12) - -
7.17 Audio jack (speaker) CN19
A 3.5mm stereo audio jack CN19 for speaker out is available on STM32H7x7I-EVAL Evaluation board to support
an external speaker.
7.18 STLINK-V3E programming connector CN21
The connector CN21 is used only for embedded STLINK-V3E programming during board manufacturing. It is not
populated by default and not for end users.
7.19 MFX programming connector CN22
The connector CN22 is used only for MFX (Multifunction eXpander) programming during board manufacturing. It
is not populated by default and not for end users.
7.20 STLINK-V3E USB Micro-B connector CN23
The USB Micro-B connector CN23 is used to connect the embedded STLINK-V3E to a PC for programming and
debugging purposes.
Figure 17. USB Micro-B connector CN23 (front view)
Table 33.
USB Micro-B connector CN23 (front view)
Pin number Description Pin number Description
1
V
BUS
(power)
4 ID
2 DM 5 GND
3 DP - -
UM2525
Audio jack (speaker) CN19
UM2525 - Rev 3
page 34/69

ST STM32H757I-EVAL Specifications

General

Brand	ST
Model	STM32H757I-EVAL
Category	Motherboard
Language	English