cExpress-BL
Page 19
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
PCIe port 4 is
Connected to LAN
P
PCIE_RX4-
B55
B56
PCI Express channel 4, Receive Input differential
pair.
I PCIE
PCIe port 4 is
Connected to LAN
P
PCIE_TX5-
A52
A53
PCI Express channel 5, Transmit Output differential
pair.
O PCIE
Not supported
P
PCIE_RX5-
B52
B53
PCI Express channel 5, Receive Input differential
pair.
I PCIE
Not supported
PCIE_
PCIE_CLK_REF-
A88
A89
PCI Express Reference Clock output for all PCI
Express and PCI Express Graphics Lanes.
O PCIE
3.3.7.
Express Card
Signal
Pin #
Description
I/O
PU/PD
Comment
EXCD0_CPPE#
EXCD1_CPPE#
A49
B48
PCI ExpressCard: PCI Express capable card request
I 3.3V
PU 10k 3.3V
EXCD0_PERST#
EXCD1_PERST#
A48
B47
PCI ExpressCard: reset
O 3.3V
3.3.8.
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
LPC_SERIRQ
A50
LPC serial interrupt
I/O OD 3.3V
PU 8k2 3.3V
LPC_CLK
B10
LPC clock output - 33MHz nominal
O 3.3V
Содержание COM Express cExpress-BL
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