
Embedian, Inc.
46
SMARC-iMX8M Computer on Module User’s Manual v.1.0
i.MX8M
processor and Qualcomm Atheros
AR8035
implementation is
shown in the following table:
NXP i.MX8M CPU
Qualcomm
AR8035
Net Names
Note
Ball
Mode
Pin Name
Pin#
Pin Name
Gigabit LAN
N19
ALT0
ENET_MDIO__
ENET1_MDIO
39
MDIO
ENET_MDIO
Serial Management
Interface data
input/output
N20
ALT0
ENET_MDC__
ENET1_MDC
40
MDC
ENET_MDC
Serial Management
Interface clock
U19
ALT0
ENET_RD0__
ENET1_RGMII_RD0
29
RXD0
RMII_RD0
Bit 0 of the 4 data
bits that are sent
by the transceiver
on the receive path.
U21
ALT0
ENET_RD1__
ENET1RGMII_RD1
28
RXD1
RMII_RD1
Bit 1 of the 4 data
bits that are sent
by the transceiver
on the receive path.
U20
ALT0
ENET_RD2__
ENET1_RGMII_RD2
26
RXD2
RMII1_RD2
Bit 2 of the 4 data
bits that are sent
by the transceiver
on the receive path.
V19
ALT0
ENET_RD3__
ENET1_RGMII_RD3
25
RXD3
RGMII_RD3
Bit 3 of the 4 data
bits that are sent
by the transceiver
on the receive path.
T20
ALT0
ENET_RXC__
ENET1_RGMII_RXC
31
RX_CLK
RGMII_RXC
Reference clock
T21
ALT0
ENET_RX_CTL__
ENET1_RGMII_RX_
CTL
30
RX_DV
RGMII_RX_CTL
Indicates both the
receive data valid
(RXDV) and receive
error (RXER)
functions per the
RGMII
specification.