3 Development Board Circuit
3.7 LVDS Interfaces
DBUG375-1.0E
16(40)
3.6.2
Pinout
Table 3-5 Ethernet Pinout
Name
FPGA Pin No. BANK
I/O Level
Description
PHY_MDC
H19
2
3.3V
Manage channel clock
PHY_MDIO
J18
2
3.3V
Manage channel data
PHY1_GTCLK
H21
2
3.3V
PHY1 Transmit Clock
PHY1_TXD0
H22
2
3.3V
PHY1 transmitting data channel 0
PHY1_TXD1
G21
2
3.3V
PHY1 transmitting data channel 1
PHY1_TXD2
G22
2
3.3V
PHY1 transmitting data channel 2
PHY1_TXD3
F21
2
3.3V
PHY1 transmitting data channel 3
PHY1_TX_EN
F22
2
3.3V
PHY1 transmitting data enable
PHY1_RXC
E22
2
3.3V
PHY1 receiving clock
PHY1_RXD0
D22
2
3.3V
PHY1 receiving data channel 0
PHY1_RXD1
D20
2
3.3V
PHY1 receiving data channel 1
PHY1_RXD2
C22
2
3.3V
PHY1 receiving data channel 2
PHY1_RXD3
B21
2
3.3V
PHY1 receiving data channel 3
PHY1_RX_DV
B20
2
3.3V
PHY1 receiving data enable
PHY2_GTCLK
N19
2
3.3V
PHY2 transmitting clock
PHY2_TXD0
M21
2
3.3V
PHY2 transmitting data channel 0
PHY2_TXD1
L21
2
3.3V
PHY2 transmitting data channel 1
PHY2_TXD2
L22
2
3.3V
PHY2 transmitting data channel 2
PHY2_TXD3
K22
2
3.3V
PHY2 transmitting data channel 3
PHY2_TX_EN
J22
2
3.3V
PHY2 transmitting data enable
PHY2_RXC
L20
2
3.3V
PHY2 receiving clock
PHY2_RXD0
K20
2
3.3V
PHY2 receiving data channel 0
PHY2_RXD1
L19
2
3.3V
PHY2 receiving data channel 1
PHY2_RXD2
J20
2
3.3V
PHY2 receiving data channel 2
PHY2_RXD3
K19
2
3.3V
PHY2 receiving data channel 3
PHY2_RX_DV
K18
2
3.3V
PHY2 receiving data enable
3.7
LVDS Interfaces
3.7.1
Introduction
The LVDS interfaces are the four 20 pins with the pitch of 2.00mm, two
of which are transmitting interfaces, and the other are receiving interfaces.
Each interface includes five pairs of differential signals. J13 needs to be set