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Peripherals 6
miriac SBC-LS1046A-TSN_User Manual
V 2.0
38/68
© MicroSys Electronics GmbH 20178
As Marvell PHY 88E1548P is using different connection pins for QSGMII and
SGMII there is a multiplexer CBTL04083ABS (J20) to switch between connection
groups. The multiplexer is controlled by GPIO
0 = QSGMII
1 = SGMII
CBTL04083ABS
ST4
LS1046A
Pin
Name
Pin
Signal
Pin
Name
9
SRD3-SQ
←
B117
SRD3-SQ
←
E17
GPIO2_15
6.4.5 TSN 1-4 Connections
TSN 1-4 is handled via EC1 (RGMII1). SJA1105 (automotive 5 port ethernet
switch) is connected to EC1 to expand to 4 external 1Gb ports. SJA1105 is
conneted to 4x Marvell 88E1512P ethernet PHY.
The following table shows the internal connections for Port 4.
SJA1105 Port 4
ST4
LS1046A
Pin
Name
Pin
Signal
Pin
Name
P10
MII4-RX_CLK
→
T86
MII1-RXCK
→
W1
MII_RX_CLK
N12
MII4-RX_CTL
→
T95
MII1-RXDV
→
AB1
MII_RX_DV
N10
MII4-RXD0
→
T88
MII1-RXD0
→
AA2
MII_RXD0
P11
MII4-RXD1
→
T89
MII1-RXD1
→
AA1
MII_RXD1
N11
MII4-RXD2
→
T91
MII1-RXD2
→
Y1
MII_RXD2
P12
MII4-RXD3
→
T92
MII1-RXD3
→
W2
MII_RXD3
N9
MII4-TX_CLK
←
T94
MII1-TXCK
←
W4
MII_TX_CLK
P7
MII4-TXD0
←
T97
MII1-TXD0
←
AB3
MII_TXD0
N7
MII4-TXD1
←
T98
MII1-TXD1
←
AA3
MII_TXD1
P8
MII4-TXD2
←
T100
MII1-TXD2
←
Y4
MII_TXD2
N8
MII4-TXD3
←
T101
MII1-TXD3
←
Y3
MII_TXD3