Data Sheet

11
FORM NO.: FR2-015_ A Responsible Department：WBU Expiry Date: Forever
The information contained herein is the exclusive property of AzureWave and shall not be distributed, reproduced, or
disclosed in whole or in part without prior written permission of AzureWave.
2.2 Pin Table
Pin No
Definition
Basic Description
Voltage
Type
1
GND
Ground.
GND
2
WL_BT_ANT
WLAN/BT RF TX/RX path.
RF
3
GND
Ground.
GND
4
NC
Floating Pin, No connect to anything.
Floating
5
NC
Floating Pin, No connect to anything.
Floating
6
BT_WAKE_DEV
HOST wake-up Bluetooth device
VDDIO
I
7
BT_HOST_WAKE
Bluetooth device to wake-up HOST
VDDIO
O
8
CLK_REQ
The module asserts CLK_REQ when Bluetooth or
WLAN directs the host to turn on the reference
clock.
The CLK_REQ polarity is active-high
VDDIO
O
9
VBAT
3.3V power pin
VBAT
PWR
10
NC
Floating Pin, No connect to anything.
Floating
11
NC
Floating Pin, No connect to anything.
Floating
12
WL_REG_ON
Used by PMU to power up or power down the
internal regulators used by the WLAN section.
Also, when deasserted, this pin holds the WLAN
section in reset. This pin has an internal 200k ohm
pull down resistor that is enabled by default. It can
be disabled through programming.
VDDIO
I
13
WL_HOST_WAKE
WLAN device to wake-up HOST
VDDIO
O
14
SDIO_DATA_2
SDIO Data Line 2
VDDIO
I/O
15
SDIO_DATA_3
SDIO Data Line 3
VDDIO
I/O
16
SDIO_CMD
SDIO Command Input
VDDIO
I/O
17
SDIO_CLK
SDIO Clock Input
VDDIO
I
18
SDIO_DATA_0
SDIO Data Line 0
VDDIO
I/O
19
SDIO_DATA_1
SDIO Data Line 1
VDDIO
I/O
20
GND
Ground.
GND
21
VIN_LDO_OUT
Internal Buck 1.2V voltage generation pin
1.4V
O
22
VDDIO
1.8V-3.3V VDDIO supply for WLAN and BT
VDDIO
PWR
23
VIN_LDO
Internal Buck 1.2V voltage generation pin
1.4V
I