Texas Instruments 8 CC2511 Dongle hardware description, CC2511 Dongle top view, USB interface

	CC2511 Dongle
8 CC2511 Dongle hardware description
CC2511
		LED
PCB
antenna
		Button
Line marking
		USB
cutaway section
of the dongle		connector
Debug
		GPIO
connector		testpins

Figure 11: CC2511 Dongle top view

Alternative

debug

connector

Figure 12: CC2511 Dongle back view

8.1User Interface

The CC2511 Dongle has one button and one LED that can be used to interact with the user. The LED is connected to pin P1_1. Setting P1_1 high (to logic 1) will turn the led on.

The button is connected to pin P1_2 and GND. The pin P1_2 should be configured as an input with pull-up. The button is pushed when P1_2 is pulled low (to logic 0).

8.2USB interface

The CC2511 Dongle has a standard USB connector. The dongle is powered through this connector. On the D+ line there is a pull-up used to identify the dongle as a full-speed USB unit on the USB bus. The pull-up can be controlled from the firmware, using P1_0. This enables the firmware to be connected to the USB bus for a period of time before it signals its presence to the USB hub.

SWRU082 Page 18 of 24