Texas Instruments CC2500 - Low-Power Features

CC2500
S
WRS040
C
Page
2
of
89

Programmable Preamble Quality Indicator
(PQI) for improved protection against false
sync word detection in random noise

Support for automatic Clear Channel
Assessment (CC
A) before transmitting (for
listen
-
before
-
talk systems)

Support for per
-
package Link Quality
Indication (LQI)

Optional automatic whitening and de
-
whitening of data
Low
-
Power F
e
atures

400
nA
SLEEP
mode current consumption

Fast startup time: 240
us from
SLEE
P
to
RX or TX mode (measured on EM design)

Wake
-
on
-
radio functionality for automatic
low
-
power RX polling

Separate 64
-
byte RX and TX data FIFOs
(enables burst mode data transmission)
General

Few external compo
nents: Complete on
-
chip frequency synthesizer
, no external
filters or RF switch needed

Green package: RoHS compliant and no
antimony or bromine

Small size (QLP 4x4 mm package, 20
pins)

Suited for systems compliant with EN 300
328 and EN 300 440 class 2 (Europe),
FCC CFR47 Part 15 (US), and ARIB STD
-
T66 (Japan)

Support for asynchronous and
synchronous serial receive/transmit mode
for backwards compatibility with existing
radio communication protocols