
LTE-A Module Series
EM160R-GL_Hardware_Design 36 / 73
3.7.1. Endpoint Mode
EM160R-GL supports endpoint (EP) mode. In this mode, the module is configured as a PCIe EP device.
The following figure shows a reference circuit of PCIe endpoint mode.
Host
Module
PCIE_REFCLK_P
PCIE_REFCLK_M
PCIE_RX_P
PCIE_RX_M
PCIE_TX_P
PCIE_TX_M
BB
PCIE_REFCLK_P
PCIE_REFCLK_M
PCIE_RX_P
PCIE_RX_M
PCIE_TX_P
PCIE_TX_M
55
53
49
47
43
41
CLKREQ#
PERST#
PEWAKE#
CLKREQ#
PERST#
PEWAKE#
VCC_IO_HOST
54
52
50
NOTE:
The voltage level VCC_IO_HOST depends on the host side due to open drain in pin 50, 52 and 54.
C6 100 nF
C5 100 nF
C2 100 nF
C1 100 nF
R1
10K
R2
10K
R4
NM_10K
R3
4.7K
54
PEWAKE#
DO
PCIe wake up the host
Active low.