Table of Contents
Advertisement
Pin
number
9
MOTOR_DFSDM1_DATIN0
11
MOTOR_DFSDM1_CKIN4
13
MOTOR_DFSDM1_CKIN3
15
MOTOR_DFSDM1_DATIN4
17
MOTOR_DFSDM1_CKIN0
19
1. Pins used by MB1299. See the limitations in
7.3
USB OTG FS
7.3.1
Description
The STM32H7B3I-EVAL Evaluation board supports USB OTG full speed communication via the USB Micro-AB
connector CN27 and the USB power switch U29 connected to V
can be powered by this USB connection at 5 V DC with 500 mA current limitation.
A green LED LD11 is lit in one of these cases:
•
Power switch (U29) is ON and STM32H7B3I-EVAL works as a USB host
•
V
is powered by another USB host when STM32H7B3I-EVAL works as a USB device.
BUS
The red LED LD10 is lit when overcurrent occurs (I
Note:
The STM32H7B3I-EVAL board must be powered by an external power supply when using the OTG function.
7.3.2
Operating voltage
The STM32H7B3LIH6QU USB OTG FS interface can only be at 3.3 V on this board.
•
In host mode, V
•
In device mode, V
7.3.3
Limitations and hardware configuration
Limitation with secondary function FDCAN1:
•
As USB FS DP/DM is shared with FDCAN1 RX/TX, SB36 and SB35 must be removed when using USB
OTG FS in order to avoid any stub.
7.3.4
Interface
Pin number
1
2
3
7.4
microSD™ card 1
7.4.1
Description
An 8 GByte (Or more) Micro SD card connected to SDIO1 3.0 port of STM32H7B3LIH6QU is available on the
board. The microSD
UM2662 - Rev 1
Description
Pin connection
PC1
PD6
PD8
PE10
PC0
3V3_AO
3V3_AO
Section 7.2.3
(5 V) is provided by the U29 power switch.
BUS
(5 V) is provided by an external source connected to CN27.
BUS
Table 29.
USB OTG FS Micro-AB connector CN27
Description
VBUS (PA9) (From STMPS2151STR or
to STM32H7B3LIH6QU)
D- (PA11)
D+ (PA12)
™
card detection is managed by SD_DETECT1 (PF10).
Pin
Description
number
10
MOTOR_DFSDM1_DATIN2
MEMS_LED
12
MOTOR_DFSDM1_CKIN7
14
MOTOR_DFSDM1_2_CKIN1
16
MOTOR_DFSDM1_CKIN5
18
MOTOR_DFSDM1_CKIN2
20
GND
.
. The STM32H7B3I-EVAL Evaluation board
BUS
superior to 500 mA).
VBUS
Pin number
4
5
-
UM2662
USB OTG FS
Pin connection
PC5
(1)
/
PB8
PB13
PB7
PC4
GND
Description
ID (PA10)
GND
-
page 35/95
Advertisement
Table of Contents
Need help?
Do you have a question about the STM32H7B3I-EVAL and is the answer not in the manual?