CC2400 Chipcon AS, CC2400 Datasheet - Page 42

• Manufacturer Part Number: CC2400
• Description: 2.4 GHz RF Transceiver
• Manufacturer: Chipcon AS

Carrier Sense
The carrier sense signal is based on the
measured
programmable
sense function can be used to simplify the
implementation of a CSMA (Carrier Sense
Multiple Access) medium access protocol.
Carrier
programmed
RSSI.RSSI_CS_THRES[5:0].
threshold value can be programmed in
steps of 4 dB.
The
multiplexed to the GIO1/GIO6 pin. The
Chipcon AS
carrier
sense
SmartRF
-10
-20
-30
-40
-50
-60
RSSI
50
40
30
20
10
0
sense
threshold.
threshold
®
CC2400 PRELIMINARY Datasheet (rev. 1.1), 2003-10-02
Figure 20. Typical RSSI value vs. input power
value
signal
The
level
and
can
carrier-
The
be
by
is
a
RSSI @ 1Mbps
SmartRF
Input pow er (dBm )
CARRIER_SENSE_N is enabled by setting
IOCFG.GIO1_CFG[5:0]
(see Table 9).
The CARRIER_SENSE_N is also available
in the status byte returned during the SPI
address byte transfer (see Table 4 page
22).
®
CC2400
=
Page 42 of 73
01010B