MIO Group
Default Function
Second Function
Connection
0-5
QSPI flash
Trace interface
QSPI flash, debug connector
6
QSPI feedback clock
Trace interface (cont.)
Debug connector
7-9
-
Trace interface (cont.)
Debug connector
10-11
I2C
-
On-board I2C bus and module
and debug connectors
via level
shifter
12
I2C interrupt
PJTAG interface
On-board
I2C
bus,
debug
connector
13-15
eMMC flash
PJTAG interface (cont.)
eMMC flash, debug connector
16-22
eMMC flash (cont.)
-
eMMC flash
23
USB PHY 1 reset
-
USB 2.0 PHY 1
24
LED0
Debug UART TX
LEDs, debug connector
25
LED1
Debug UART RX
26-29, 31-37
Ethernet 0
-
Gigabit Ethernet PHY 0
30
Ethernet 0 (cont.)
PS PCIe block PERST# signal
Gigabit Ethernet PHY 0 and
module connector via series re-
sistor
38
UART RX
User functionality
Module connector
39
UART TX
40-41, 43-44
User functionality
-
Module connector
42
User functionality
PS PCIe block PERST# signal
Module connector
45-51
SD card
User functionality
Module connector
52-63
USB 0
-
USB 2.0 PHY 0
64-75
Ethernet 1
USB 1
Gigabit Ethernet PHY 1, USB 2.0
PHY 1
76-77
Ethernet MDIO
-
Gigabit Ethernet PHY 1 and PHY
0 via level shifter
Table 11: MIO Pins Connections Overview
6
Starting with revision 3, the PJTAG, TRACE, and debug UART interfaces to debug connector are not supported anymore. Please
refer to Section 2.25 for details.
7
UART RX is an MPSoC input; UART TX is an MPSoC output.
8
Used for PCIe PERST# connection implementation. Refer to Section 2.9.2 for details.
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Version 13, 15.08.2019