Wi-Fi&Bluetooth Module Series
FC64E_Hardware_Design
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Table 6: Pin Definition of WLAN_EN
3.5.2. PCIe Interface
The module provides a PCIe interface with key features listed as below:
PCI Express Specification Revision 3.0
compliance.
X1 link width, transmission rate up to 8 Gbps.
As Wi-Fi function interface to connect to a host.
Table 7: Pin Definition of PCIe Interface
The following figure shows the PCIe interface connection between the module and the host.
Pin Name
Pin No. I/O
Description
Comment
WLAN_EN
13
DI
WLAN function enable
control
1.8 V power domain.
Active high.
Do not float this pin.
Pin Name
Pin No. I/O
Description
Comment
PCIE_REFCLK_M
1
AI
PCIe reference clock (-)
Require differential
impedance of 85 Ω.
PCIE_REFCLK_P
2
AI
PCIe reference clock (+)
PCIE_TX_M
4
AO
PCIe transmit (-)
PCIE_TX_P
5
AO
PCIe transmit (+)
PCIE_RX_M
7
AI
PCIe receive (-)
PCIE_RX_P
8
AI
PCIe receive (+)
PCIE_CLKREQ_N
10
DO
PCIe clock request
1.8 V power domain.
Active low.
PCIE_RST_N
11
DI
PCIe reset
PCIE_WAKE_N
12
DO
PCIe wakes up
