User's Manual
WiBear11n Data Sheet
Version 1.18
Copyright © 2013 lesswire AG
www.lesswire.com
Page 6 of 20
Pin Description
Table 3: Pin description
Pin
No.
Pin Name Pin Type Description
1 GND Ground Ground
2 LED_0 I/O LED output (GPIO_1 of Radio/Baseband processor), WLAN activity
1
3 LED_1 I/O LED output (GPIO_17 of Radio/Baseband processor), Bluetooth activity
1
4 3V3 Power 3.3V Power supply (3.0V...3.6V)
5 VIO Power VIO Supply (1.8V or 3.3V)
6 1V8 Power 1.8V Supply (1.7V...1.9V)
7 GND Ground Ground
8 GND Ground Ground
9 PDn I Full power down (active low), has internal pull-up to VIO pin
10 RESETn I Reset (active low), has weak internal pull-up to VIO pin
11 SD_D2 I/O SDIO Data line bit [2]
12 SD_D3 I/O SDIO Data line bit [3]
13 SD_CMD I/O SDIO Command
14 SD_CLK I SDIO Clock input
15 SD_D0 I/O SDIO Data line bit [0]
16 SD_D1 I/O SDIO Data line bit [1]
17 GND Ground Ground
18 GND Ground Ground
19 SLEEP_CLK I Clock input for external sleep clock source (32.768kHz)
2
20 CFG I/O Configuration pin
3
21 PCM_SYNC I/O GPIO_14 of Radio/Baseband processor, output if master, input if slave
22 PCM_CLK I/O GPIO_13 of Radio/Baseband processor, output if master, input if slave
23 PCM_DOUT O GPIO_12 of Radio/Baseband processor, output
24 PCM_DIN I GPIO_11 of Radio/Baseband processor, input
25 GND Ground Ground
GND
LED_0
LED_1
3V3
VIO
1V8
GND
GND
1
2
3
4
5
6
7
8
PDn
RESETn
SD_D2
SD_D3
SD_CMD
SD_CLK
SD_D0
SD_D1
14
15
16
10
11
12
13
9
24
23
22
21
20
19
18
17
GND
GND
SLEEP_CLK
CFG
PCM_SYNC
PCM_CLK
PCM_DOUT
PCM_DIN
30
29
28
27
26
25
GND
ANT2
GND
GND
ANT1
GND
Figure 6: Module pinout