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8
CC2531 USB Dongle
Button S2
The USB dongle that is included in the kit comes preprogrammed such that it can be used together
with the SmartRF Packet Sniffer [4] to capture packets going over the air. To use the dongle as a
sniffer, just install the Packet Sniffer PC application (available on the web [4]), plug in the USB dongle
and start capturing packets. The Packet Sniffer User Manual [5] has more information.
The USB dongle can also be used as a general development board for USB and RF software. There
is a USB firmware library available from the TI web pages with an implementation of a complete USB
framework, including examples showing both HID and CDC ACM. There is a link to this library on the
CC2530 DK web pages [14].
Table 2 shows which CC2531 signals are connected to what IO on the dongle.
Connector
In order to debug and program firmware on the CC2531, the CC2531 USB dongle can be connected
to the SmartRF05EB as shown in the picture below. The small adapter board and flat cable is included
in the development kit.
IO Connector
LEDs
Figure 7 - CC2531 USB Dongle
IO
CC2531
1
P0.2
2
P0.3
3
P0.4
4
P0.5
5
P1.7
6
P1.6
7
P1.5
8
P1.4
Table 2 - CC2531 USB Dongle Pinout
Debug connector
Voltage regulator
Dongle
CC2531
User IO
Green LED
Red LED
Button S1
Button S2
15/28
swru209b
Meandred F-antenna
CC2531F256
Button S1
P0.0
P1.1
P1.2
P1.3
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