3 Development Board Circuit
3.7 LVDS Interfaces
DBUG375-1.2E
15(34)
Name
FPGA
Pin No.
BANK
I/O
Level
Description
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
to 2.5V when LVDS is used.
Figure 3-6 LVDS TX Interface
1
3
5
7
9
2
4
6
8
10
11
13
15
17
19
12
14
16
18
20
LVDS_B1_P
LVDS_B2_P
LVDS_B3_P
LVDS_B4_P
LVDS_B5_P
LVDS_B1_N
LVDS_B2_N
LVDS_B3_N
LVDS_B4_N
LVDS_B5_N
J20
1
3
5
7
9
2
4
6
8
10
11
13
15
17
19
12
14
16
18
20
LVDS_B6_P
LVDS_B7_P
LVDS_B8_P
LVDS_B9_P
LVDS_B10_P
LVDS_B6_N
LVDS_B7_N
LVDS_B8_N
LVDS_B9_N
LVDS_B10_N
J19