Quectel FC64E, Проектирование аппаратного обеспечения

Страница: 23 / 59

Wi-Fi&Bluetooth Module Series
FC64E_Hardware_Design 22 / 53
VDD_3V3 26 PI
Provide 3.3 V for
the module’s
discrete
Bluetooth part
Vmin = 3.0 V
Vnom = 3.3 V
Vmax = 3.6 V
If unused, keep this
pin open.
GND 3, 6, 15, 25, 27, 29–31, 33–35, 37–39, 46, 49, 50, 53, 54, 57, 58, 60–64, 67–80
WLAN Application Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
WLAN_EN 13 DI
WLAN function
enable control
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
1.8 V power domain.
Active high.
Do not float this pin.
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 V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
Active low.
PCIE_RST_N 11 DI PCIe reset
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
PCIE_WAKE_N 12 DO PCIe wake up
V
OL
max = 0.45 V
V
OH
min = 1.35 V
Bluetooth Application Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
BT_EN 17 DI
Bluetooth enable
control
V
IL
min = -0.3 V
V
IL
max = 0.63 V
V
IH
min = 1.17 V
V
IH
max = 2.1 V
1.8 V power domain.
Active high.
Do not float this pin.
PCM_DIN * 44 DI PCM data input
1.8 V power domain.
PCM_SYNC * 42 DI
PCM data frame
sync