WB40NBT Datasheet, PDF (13/26 Pages) Laird Tech Smart Technology – This document describes key hardware aspects of the Laird SDC-WB40NBT wireless bridge module

WB40NBT
Datasheet
6 PIN DEFINITIONS
Note:
Note:
Unused pins should be left open. All GND pin shall be connected to system ground.
The maximum output current is 8 mA except for the following pins (which have a maximum output
current
of 2 mA): 3, 4, 6, 8, 14, 16, 41, 47, 72, 87, and 89.
Pin # Name
1
GND
2
GPIO_1/ADC0
3
SPI1_NPCS_1
4
GPIO_2/ADC1
5
SPI1_NPCS_0
6
PC22
Section
SPI
GPIO
SPI
GPIO
SPI
GPIO
7
GND
8
PC23
SPI
GPIO
9
SPI1_MOSI
10 DRXD
11 SPI1_MISO
12 DTXD
13 GND
14 PC24
15 SPI1_CLK
16 PC25
17 GND
18 LED0
19 EREFCLK
20 LED1
21 GND
22 LED2
23 ETX0
SPI
DBGU
SPI
DBGU
SPI
GPIO
SPI
GPIO
Ethernet
RMII
LED
Ethernet
RMII
LED
Ethernet
RMII
LED
Ethernet
RMII
I/O Reference
-- --
I/O VCC3_3
O VCC3_3
I/O VCC3_3
O VCC3_3
I
VCC3_3
-- --
O VCC3_3
O VCC3_3
I
VCC3_3
I
VCC3_3
O VCC3_3
-- --
I/O VCC3_3
O VCC3_3
I/O VCC3_3
-- --
O VCC3_3
I
VCC3_3
O VCC3_3
--
O VCC3_3
O VCC3_3
Description
Signal Ground
General Purpose I/O
SPI1 Peripheral Chip Select 1
General Purpose I/O
SPI1 Peripheral Chip Select 0
Reserved for input to BT device.
Indicates that Bluetooth is
transmitting or receiving high
priority packets (i.e., SCO and LMP).
Not currently supported in the
firmware.
Signal Ground
Output to BT device. Indicates that
the WLAN is transmitting or
receiving high priority packets. Not
currently supported in the firmware.
SPI1 Master Out / Slave In
Console / Debug Serial Input
SPI1 Master In / Slave Out
Console / Debug Serial Output
Signal Ground
General-purpose use
SPI Serial Clock
General-purpose use
Signal Ground
Gerneral purpose LED0 out; Active
low
Ethernet Reference Clock (50 Mhz
max)
Gerneral purpose LED1 out; Active
low
Signal Ground
Gerneral purpose LED2 out; Active
low
Ethernet data output 0
If unused
Must be connected to
GND
Leave open
Leave open
Leave open
Leave open
Leave open
Must be connected to
GND
Leave open
Leave open
47K pull-up
47K pull-up
Leave open
Must be connected to
GND
Leave open
Leave open
Leave open
Must be connected to
GND
Leave open
Leave open
Leave open
Must be connected to
GND
Leave open
Leave open
Embedded Wireless Solutions Support Center:
http://ews-support.lairdtech.com
www.lairdtech.com/wireless
13
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