User's Manual

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3. Pin Definition
Pin Assignment
Pin No Definition Basic Description Type
1 GND
2
External
1.8V(optional)
1.8V voltage optional.
Default model is used internal 1.8V, so please keep this pin float.
If the customer wants to use external 1.8V model. Please contact to
AzureWave.
P
3 PDn
Full Power Down(active low as long as system need)
0=power down mode
1=normal mode
(1)Connect to power down pin of host
Note: Needs the external host to driver this pin high for normal operation.
No internal pull-up on this pin.
I
4 VIO 1.8V/2.6/3.3V Host interface voltage P
5 SLEEP_CLK
Sleep Clock Input
Used for WALN, Bluetooth, and FM low-power modes.
External sleep clock of 32.768KHZ must be used for auto reference clock
calibration and for WALN/Bluetooth/FM low power operation.
I
6 GND
7
SD_CMD
SDIO 4-bit Mode: Command/Response
SDIO 1-bit Mode: Command Line
SDIO SPI Mode: Data Input
I/O
8
SD_DAT[0]
SDIO 4-bit Mode: Data line bit[0]
SDIO 1-bit Mode: Data line
SDIO SPI Mode: Data output
I
9
SD_DAT[1]
SDIO 4-bit Mode: Data line bit[1]
SDIO 1-bit Mode: Interrupt
SDIO SPI Mode: Reserved
I/O
10
SD_DAT[2]
SDIO4-bit Mode: Data line bit[2]or Read Wait(optional)
SDIO 1-bit Mode: Read Wait(optional)
SDIO SPI Mode: Reserved
I/O
11
SD_CLK
SDIO 4-bit Mode: Clock Input
SDIO 1-bit Mode: Clock Input
SDIO SPI Mode: Clock Input
I/O
12 SD_DAT[3]
SDIO 4-bit Mode: Data line bit[3]
SDIO 1-bit Mode: Reserved
SDIO SPI Mode: Card Select(active low)
I/O
13 WIFI_LED/GPIO1 WIFI LED function I/O
14 BT_LED/GPIO 17
BT LED function
I/O
15 3.3V P
16 3.3V P
17 GND