Mfx (Multi Function Expander); Table 15. Mfx Signals; Figure 6. Orientation Setting Of 5.7-Inch Lcd Daughterboard - ST STM32H743I-EVAL User Manual

UM2198
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Figure 6. Orientation setting of 5.7-inch LCD daughterboard

MFX (Multi Function eXpander)

MFX circuit on STM32H743I-EVAL Evaluation board acts as IO-expander. The
communication interface between MFX and STM32H743XI is I2C1 bus.
The signals connected to MFX are listed in
Pin
Pin name of
number
MFX
of MFX
15 PA5
16 PA6
17 PA7
18 PB0
19 PB1
20 PB2
26 PB13
27 PB14
28 PB15
29 PA8
30 PA9
31 PA10
32 PA11
33 PA12
39 PB3
40 PB4
,
Table 15.

Table 15. MFX signals

Function of
MFX functions
STM32H743I-EVAL
MFX_GPIO5 Audio_INT
OTG_FS1_
MFX_GPIO6
OverCurrent
OTG_FS1_
MFX_GPIO7
PowerSwitchOn
MFX_GPIO0 JOY_SEL
MFX_GPIO1 JOY_DOWN
MFX_GPIO2 JOY_LEFT
MFX_GPIO13 SD_LDO_SEL
MFX_GPIO14 TOUCH_INT
MFX_GPIO15 MicroSDcard Detect
OTG_FS2_
MFX_GPIO8
OverCurrent
OTG_FS2_
MFX_GPIO9
PowerSwitchOn
MFX_GPIO10
MFX_GPIO11
MFX_GPIO12
MFX_GPIO3 JOY_RIGHT
MFX_GPIO4 JOY_UP
DocID030511 Rev 1
Hardware layout and configuration
Direction
(For MFX)
Input
Input
Output
Input
Input
Input
Output
Input
Input
Input
Output
LED2 Output
LED4 Output
- -
Input
Input
Terminal
device
Codec
USB_FS1
USB_FS1
Joystick
Joystick
Joystick
microSD
LCD
microSD
USB_FS2
USB_FS2
LED
LED
-
Joystick
Joystick
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