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MSC SM2S-IMX8M User Manual
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4.3 PCI
Express
The i.MX8M SoC supports two PCIe x1 Gen2 lanes. Please note, that only single channel (x1) interfaces are supported.
Table 4-3: PCIe Signal Description
Signal
Pin Type
Signal
Level
Pin on
i.MX8
Pin name on i.MX8M
Power
Tolerance
PU/PD
Description
PC
PCIE_A_TX-
O
LVDS PCIe J24
J25
PCIE1_TXN_P
PCIE1_TXN_N
According to
PCIe spec
PCI Express Differential Transmit Pairs. AC
coupled on module
PC
PCIE_A_RX-
I
LVDS PCIe H24
H25
PCIE1_RXN_P
PCIE1_RXN_N
According to
PCIe spec
PCI Express Differential Receive Pairs
PCIE_
PCIE_A_REFCK-
O
LVDS PCIe K24
K25
PCIE1_REF_PAD_CLK_P
PCIE1_REF_PAD_CLK_N
According to
PCIe spec
PCI Express Reference Clock. AC coupled
on module. Clock enabled by default. Please
contact support, if spread spectrum support
is required.
PC
PCIE_B_TX-
O
LVDS PCIe E24
E25
PCIE2_TXN_P
PCIE2_TXN_N
According to
PCIe spec
PCI Express Differential Transmit Pairs. AC
coupled on module
PC
PCIE_B_RX-
I
LVDS PCIe D24
D25
PCIE2_RXN_P
PCIE2_RXN_N
According to
PCIe spec
PCI Express Differential Receive Pairs
PCIE_
PCIE_B_REFCK-
O
LVDS PCIe F24
F25
PCIE2_REF_PAD_CLK_P
PCIE2_REF_PAD_CLK_N
According to
PCIe spec
PCI Express Reference Clock. AC coupled
on module. Clock enabled by default. Please
contact support, if spread spectrum support
is required.
PCIE_A_RST#
O PP
3.3V
CMOS
K2
SAI1_RXD0
3.3V
PCI Express Reset signal (active low) to
connected device.
(CPU GPIO4_IO02)
PCIE_B_RST#
O PP
3.3V
CMOS
K2
SAI1_RXD0
3.3V
PCI Express Reset signal (active low) to
connected device.
(CPU GPIO4_IO02)
Содержание SMARC MSC SM2S-IMX8M
Страница 1: ...SMARC Module MSC SM2S IMX8M SMARC Rev 2 0 Standard Version 1 1 18 03 2021 User Manual ...
Страница 15: ...MSC SM2S IMX8M User Manual 15 92 1 2 Block Diagram Figure 1 1 Block Diagram ...
Страница 65: ...MSC SM2S IMX8M User Manual 65 92 Example Figure 7 7 Create docker container for MSC LDK Part 1 ...
Страница 79: ...MSC SM2S IMX8M User Manual 79 92 Example Figure 7 28 OS boot from network ...
Страница 85: ...MSC SM2S IMX8M User Manual 85 92 Select Edit User Message Figure 7 32 Bug report User message editor ...