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Pin Name
WLAN_EN
PCIE_REFCLK_P
PCIE_REFCLK_M 9
PCIE_TX_P
PCIE_TX_M
PCIE_RX_P
PCIE_RX_M
PCIE_CLKREQ_
N
PCIE_RST_N
PCIE_WAKE_N
SDIO_CMD*
SDIO_CLK*
SDIO_DATA0*
SDIO_DATA1*
SDIO_DATA2*
SDIO_DATA3*
Bluetooth Application Interfaces
Pin Name
BT_EN
PCM_DIN
PCM_SYNC
PCM_CLK
PCM_DOUT
AF55C_Hardware_Design
Pin No.
I/O
Description
Wi-Fi function
84
DI
enable control
PCIe reference
54
AI
clock (+)
PCIe reference
AI
clock (-)
52
AO
PCIe transmit (+)
7
AO
PCIe transmit (-)
56
AI
PCIe receive (+)
11
AI
PCIe receive (-)
12
DO
PCIe clock request
14
DI
PCIe reset
13
DO
PCIe wake up
1
DIO
SDIO command
47
DI
SDIO clock
2
DIO
SDIO data bit 0
4
DIO
SDIO data bit 1
50
DIO
SDIO data bit 2
49
DIO
SDIO data bit 3
Pin No.
I/O
Description
Bluetooth enable
83
DI
control
76
DI
PCM data input
PCM data frame
35
DI
sync
37
DI
PCM clock
36
DO
PCM data output
Automotive Wi-Fi&Bluetooth Module Series
DC
Characteristics
VDD_IO
VDD_IO
DC
Characteristics
VDD_IO
Comment
Active high.
Requires
differential
impedance of
100 Ω.
Active low.
SDIO is optional
and is not
supported by
default.
Requires
impedance of
50 Ω.
If unused, keep
them open.
Comment
Active high.
If unused, keep
them open.
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