PRODUCT SPECIFICATION
nRF2401A Single Chip 2.4 GHz Radio Transceiver
MODES OF OPERATION
Overview
The nRF2401A can be set in the following main modes depending on three control
pins:
Mode
PWR_UP
CE
CS
Active (RX/TX)
1
1
0
Configuration
1
0
1
Stand by
1
0
0
Power down
0
X
X
Table 6 nRF2401A main modes
For a complete overview of the nRF2401A I/O pins in the different modes please
refer to Table 7.
Active modes
The nRF2401A has two active (RX/TX) modes:
• ShockBurst™
• Direct Mode
The device functionality in these modes is decided by the content of a configuration
word. This configuration word is presented in configuration section.
Nordic Semiconductor ASA - Vestre Rosten 81, N-7075 Tiller, Norway - Phone +4772898900 - Fax +4772898989
Revision: 1.1
Page 9 of 40
March 2006