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Table 8. J25 pin dDefinition (continued)
Num.
Net name
Description
Num.
Net name
Description
7
VBUS_USB_DBG
USB debug port
VBUS 5 V
8
GND
Ground
9
VBUS_USB_DBG
USB debug port
VBUS 5 V
10
GND
Ground
11
VBUS_USB_DBG
USB debug port
VBUS 5 V
12
GND
Ground
13
NC
—
14
FT_IO_01
FT4232 expander
IO signal, 1.8 V
15
PWR_MEAS_IO1
i.MX8M Plus
Expansion IO
signal, 3.3 V
16
FT_IO_02
FT4232 expander
IO signal, 1.8 V
17
PWR_MEAS_IO2
i.MX8M Plus
Expansion IO
signal, 3.3 V
18
FT_IO_03
FT4232 expander
IO signal, 1.8 V
19
GND
Ground
20
GND
Ground
21
FT_SCL
FT4232 I2C clock
signal, 3.3 V
22
FT_IO_04
FT4232 expander
IO signal, 1.8 V
23
FT_SDA
FT4232 I2C data
signal, 3.3 V
24
FT_IO_05
FT4232 expander
IO signal, 1.8 V
25
FT_GPIO1
FT4232 IO signal,
3.3 V
26
FT_IO_06
FT4232 expander
IO signal, 1.8 V
27
FT_GPIO2
FT4232 IO signal,
3.3 V
28
FT_IO_07
FT4232 expander
IO signal, 1.8 V
29
GND
Ground
30
GND
Ground
31
FT_GPIO3
FT4232 IO signal,
3.3 V
32
FT_IO_08
FT4232 expander
IO signal, 1.8 V
33
FT_GPIO4
FT4232 IO signal,
3.3 V
34
FT_IO_09
FT4232 expander
IO signal, 1.8 V
35
FT_RESET_B
FT4232 peripheral
reset signal, 3.3 V
36
FT_IO_10
FT4232 expander
IO signal, 1.8 V
37
FT_IO_nRST
FT4232 IO
expander reset
signal, 3.3 V
38
FT_IO_11
FT4232 expander
IO signal, 1.8 V
39
GND
Ground
40
GND
Ground
2.22 User interface buttons
There are two user interface buttons on the EVK board.
2.22.1 Power button (SW1)
The i.MX 8M Plus Applications Processor supports the use of a button input signal to request main SoC power state changes (i.e.
ON or OFF) from the PMU.
NXP Semiconductors
Specifications
i.MX 8M Plus LPDDR4 EVK Board Hardware User's Guide, Rev. 0, March 9, 2021
User's Guide
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