User's Manual

802.11b/g/n Wireless LAN WICED Module
This document is controlled and confidential under the terms of WIZNET
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22
Pin Description
Pin-Number Pin-Define Type Description
1
GND -- Ground
2
VBAT_WL I Battery supply input
3 VBAT_WL I Battery supply input
4
GND -- Ground
5 VDDIO_3V3_WL I Digital I/O supply.
6
GND -- Ground
7
WL_REG_ON -- WiFi reset .
8 NC -- --
9
NC -- --
10 NC -- --
11
NC -- --
12
NC -- --
13
GND -- Ground
14
NC -- --
15
GND -- Ground
16
WL_JTAG_TDI I/O
1. For normal operation, if JTAG is not used, this
pin can be left unconnected (NC).
2. This pin is also muxed UART_RX, which can be
enabled by software.
17
WL_JTAG_TCK I
For normal operation, if JTAG is not used, this pin
can be left unconnected (NC).
18
WL_JTAG_TRST I
For normal operation, if JTAG is not used, this pin
can be left unconnected (NC).
19
WL_JTAG_TMS I
For normal operation, if JTAG is not used, this pin
can be left unconnected (NC).
20
WL_JTAG_TDO I/O
1. For normal operation, if JTAG is not used, this
pin can be left unconnected (NC).
2. This pin is also muxed UART_TX, which can be
enabled by software.