Laird WB50NBT, Руководство пользователя

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WB50NBT
Hardware Integration Guide
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wi-fi
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P
IN
D
EFINITIONS
Table 1: Pin Definitions
# Pin Name Section I/O Reference Description If Unused
1 GND - - Ground
Must be connected to
GND
2 GPIO_1 GPIO I/O VCC3_3 General I/O 1 Leave open
3 SPI_NPCS1 O VCC3_3 SPI Bus Chip Select 1 Leave open
4 GPIO_2 GPIO I/O VCC3_3 General I/O 2 Leave open
5 SPI_NPCS0 O VCC3_3 SPI Bus Chip Select 0 Leave open
6 GPIO_3 GPIO I/O VCC3_3 General I/O 3 Leave open
7 GND - - Ground
Must be connected to
GND
8 GPIO_4 GPIO I/O VCC3_3 General I/O 4 Leave open
9 SPI_MOSI O VCC3_3 SPI Master Out/Slave In Leave open
10 DRXD DBGU I VCC3_3 Console/Debug Serial Input Leave open
11 SPI_MISO I VCC3_3 SPI Master In/Slave Out Leave open
12 DTXD DBGU O VCC3_3 Console/Debug Serial Output Leave open
13 GND - - Ground
Must be connected to
GND
14 GPIO_5 GPIO I/O VCC3_3 General I/O 5 Leave open
15 SPI_CLK O VCC3_3
SPI Programming Clock
Master
–
O; Slave
–
I
Leave open
16 GPIO_6 GPIO I/O VCC3_3 General I/O 6 Leave open
17 GND - - Ground
Must be connected to
GND
18 LED_0 O VCC3_3
LED Indicator (WLAN Act)
(IO = 8 Ma maximum)
Leave open
19 E_REFCK I VCC3_3
Ethernet Reference Clock
(50 MHz maximum)
Leave open
20 LED_1 O VCC3_3
LED Indicator (TBD)
(IO = 8 Ma maximum)
Leave open
21 GND - - Ground
Must be connected to
GND
22 LED_2 O VCC3_3
LED Indicator (TBD)
(IO = 8 Ma maximum)
Leave open
23 E_TXD0 O VCC3_3 Ethernet Data Output 0 Leave open
24 STAT_0 O VCC3_3
Status High while system in reset,
bootloader, or OS boot;
Low when OS is up
Leave open
25 E_TXD1 O VCC3_3 Ethernet Data Output 1 Leave open