miriac SBC-S32G-R3_User Manual
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© MicroSys Electronics GmbH 2021
Default: (M.2 mode) SerDes_1 Lane1 is used to connect S32G274A to SJA1110
port 4.
SJA1110 (port 4)
MXM1
S32G274A
Pin
Name
Pin
Signal
Pin
Name
K2
S_INP
←
T88
←
PCIE1_TX1_P
K1
S_INN
←
T87
←
PCIE1_TX1_N
L2
S_OUTP
→
T73
→
PCIE1_RX1_P
L1
S_OUTN
→
T72
→
PCIE1_RX1_N
Table 6-15 SerDes1_L1 pin assignment
Alternate: (2G5) SerDes_1 Lane0 is used to connect S32G274A to SJA1110
port 4.
SJA1110 (port 4)
MXM1
S32G274A
Pin
Name
Pin
Signal
Pin
Name
K2
S_INP
←
T85
←
W19
PCIE1_TX0_P
K1
S_INN
←
T84
←
Y18
PCIE1_TX0_N
L2
S_OUTP
→
T70
→
AA22
PCIE1_RX0_P
L1
S_OUTN
→
T69
→
AB22
PCIE1_RX0_N
Table 6-16 SerDes1_L0 pin assignment
Default / Alternate is determined by a multiplexer using the SERDES_SEL signal.
6.4.7 1G LAN SGMII (ST21B)
Marvell PHY 88E1512P is connected to SJA1110 port 3:
88E1512P
SJA1110
Pin
Name
Pin
Name
1
S_INP
←
←
L16
AETH_P3_TX_P
2
S_INN
←
←
L15
AETH_P3_TX_N
4
S_OUTP
→
→
K16
AETH_P3_RX_P
5
S_OUTN
→
→
K15
AETH_P3_RX_N
Table 6-17 1G LAN interface to SJA1110 port 3
LED
Signal (in SCM)
Port (88E1512P)
Pin
GN
SGMII_P0_LED0
LED[0]
14
YE
SGMII_P0_LED1
LED[1]
13
Table 6-18 ST21B (1G) LEDs
Connector pinning is standard RJ45