User's Manual

AMPAK Technology Inc. www.ampak.com.tw Proprietary & Confidential Information
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14 GND
－
Ground
15 GND
－
Ground
16 GND
－
Ground
17 GND
－
Ground
18 VIO I Digital I/O Voltage input
19 CLK_32K I Sleep clock (32.768KHz) input
20 SDIO_DATA_2 I/O SDIO data line 2
21 SDIO_DATA_0 I/O SDIO data line 0
22 SDIO_CLK I SDIO clock
23 SDIO_CMD I/O SDIO command line
24 SDIO_DATA_1 I/O SDIO data line 1
25 SDIO_DATA_3 I/O SDIO data line 3
26 VIN_LDO I Internal DC-DC regulator input
27 GND
－
Ground
28 SR_VLX O Internal DC-DC regulator output
29 GND
－
Ground
30 VBAT I DC voltage input
31 WL_RST_N I Active low WLAN reset signal
32 GND
－
Ground
33 GND
－
Ground
34 GND
－
Ground
35 GND
－
Ground
36 XTAL_PU O Floating (Don’t connected to ground)
37 GND
－
Ground
38 GND
－
Ground
39 GND
－
Ground
40 GND
－
Ground
41 GND
－
Ground
42 GND
－
Ground
43 VDD_TCXO
－
Floating (Don’t connected to ground)
44 GND
－
Ground
45 TCXO_IN
－
Floating (Don’t connected to ground)
46 GPIO_5
－
Floating (Don’t connected to ground)
47 GPIO_4
－
Floating (Don’t connected to ground)
48 GPIO_3
－
Floating (Don’t connected to ground)
49 GPIO_1
O
WL_Host Wake,
50 GPIO_0
－
Mode selection, Low for SDIO, High for SPI mode
51 WRF_GPIO_OUT
－
Floating (Don’t connected to ground)
Only for TPV.