ADLINK Technology cExpress-AL, Руководство пользователя

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16
Pinouts and Signal Descriptions
3.3.6. PCI Express
Signal Pin Description I/O PU/PD Comment
P
PCIE_TX0- A68
A69 PCI Express channel 0, Transmit
Output differential pair. O
PCIE
AC coupled on module
P
PCIE_RX0- B68
B69 PCI Express channel 0, Receive Input
differential pair. I PCIE AC coupled off module
P
PCIE_TX1- A64
A65 PCI Express channel 1, Transmit
Output differential pair. O
PCIE AC coupled on module
P
PCIE_RX1- B64
B65 PCI Express channel 1, Receive Input
differential pair. I PCIE AC coupled off module
P
PCIE_TX2- A61
A62 PCI Express channel 2, Transmit
Output differential pair. O
PCIE AC coupled on module
P
PCIE_RX2- B61
B62 PCI Express channel 2, Receive Input
differential pair. I PCIE AC coupled off module
P
PCIE_TX3- A58
A59 PCI Express channel 3, Transmit
Output differential pair. O
PCIE AC coupled on module
P
PCIE_RX3- B58
B59 PCI Express channel 3, Receive Input
differential pair. I PCIE AC coupled off module
P
PCIE_TX4- A55
A56 PCI Express channel 4, Transmit
Output differential pair. O
PCIE AC coupled on module. PCIe port 4 is
by build option, by PCIe bridge IC
P
PCIE_RX4- B55
B56 PCI Express channel 4, Receive Input
differential pair. I PCIE AC coupled off module. PCIe port 4 is
by build option, by PCIe bridge IC
P
PCIE_TX5- A52
A53 PCI Express channel 5, Transmit
Output differential pair. O
PCIE AC coupled on module. PCIe port 5 is
by build option, in place of GbE
P
PCIE_RX5- B52
B53 PCI Express channel 5, Receive Input
differential pair. I PCIE AC coupled off module. PCIe port 5 is
by build option, in place of GbE
PCIE_
PCIE_CLK_REF- A88
A89 PCI Express Reference Clock output
for all PCI Express and PCI Express
Graphics Lanes. O
PCIE
Note:
PCIe bridge IC is by build option to support more than 4 PCIe x1.
3.3.7. LPC Bus
Signal Pin Description I/O PU/PD Comment
LPC_AD[0:3] B4-B7 LPC multiplexed address, command and
data bus
I/O 3.3V
LPC_FRAME# B3 LPC frame indicates the start of an LPC
cycle O 3.3V
LPC_DRQ0#
LPC_DRQ1# B8
B9 LPC serial DMA request I 3.3V NC.
Not supported by Apollo
Lake
LPC_SERIRQ A50 LPC serial interrupt I/O 3.3V PU 8k2
3.3V
LPC_CLK B10 LPC clock output –33MHz nominal O 3.3V The LPC_CLK frequency
is 25MHz