Wireless Module
1.2. External Reference Circuit
Figure2. External Reference Circuit
The recommended schematic configuration for all of the interfaces and GPIOs are
shown as figure 2. The connection block diagram of the PCI-e interface is shown in
figure 3. However, the connection block diagram of UART and USB interfaces is
shown in figure 4.
*Note:
The Bluetooth host interface only supports one of UART or USB
for each kind of
product
.
C
30
NP
C
32
NP
C
31
NP
C
33
NP
C
35
NP
C
34
NP
WL_REG_ON
C123
100pF
C124
100pF
Turn on the Wi-Fi function at default.
VIO
R34
10K
R35
0R
C121
0.1uF
HOST_PCIE_CLKREQn
PCIE_CLKREQn
R115
0R
C122
0.1uF
R116
0R
BT_REG_ON
Turn on the BT function at default.
BT_UART_RTS_N
HOST_UART_CTS_N
BT_UART_CTS_N
BT_UART_RXD
HOST_UART_TXD
BT_UART_TXD
HOST_UART_RXD
WLAN
Connected to HOST I/O
HOST_UART_RTS_N
R81
NP/10K
BT
HOST_PCIE_RDN
HOST_PCIE_RDP
HOST_PCIE_TDN
HOST_PCIE_TDP
PCIE_RDP
HOST_PCIE_REFCLKP
PCIE_REFCLKP
PCIE_RDN
VIO
PCIE_PRRST_L
PCIE_REFCLKN
R82
NC/10K
PCIE_TDP
PCIE_TDN
HOST_PCIE_REFCLKN
VIO Voltage Level
[B33], [R33] : Typ.3.3V (3.0V~3.6V)
[B18], [R18] : Typ.1.8V (1.62V~1.98V)
HOS
USB_D+
HOST_USB_D-
USB_D-
UART Interface
[R33], [R18]
USB Interface
[B33], [B18]
