User's Manual

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4. Pin Definition
Pin No
Definition
Basic Description
Type
1
GPIO[15]/TMS
JTAG controller select
2
GPIO[14]/TCK
JTAG test clock
3
GPIO[16]/TDI
JTAG test data(input)
I
4
VDD_3V3
3.3V Analog RF Power Supply
I
5
VDD_3V3
3.3V system power supply input
I
6
GND
System Ground Pin
7
GPIO[17]/TDO
JTAG test data(output)
O
8
NC
No connect
--
9
NC
No connect
--
10
NC
No connect
--
11
GPIO[1]
GPIO[1]
I
12
NC
No connect
--
13
NC
No connect
--
14
NC
No connect
--
15
NC
No connect
--
16
NC
No connect
--
17
GND
System Ground Pin
18
NC
No connect
--
19
NC
No connect
--
20
GND
System Ground Pin
21
NC
No connect
--
22
NC
No connect
--
23
GND
System Ground Pin
24
NC
No connect
--
25
NC
No connect
--
26
GND
System Ground Pin
27
SLP_CLK
Sleep Clock Input
Used for WLAN and Bluetooth low-
power modes. External sleep clock of 32.768 KHz must be used for auto
reference clock calibration and for WLAN/Bluetooth low power operation.
I