Low-Power Features; General - Texas Instruments CC2500 TK Manual


Programmable Preamble Quality Indicator
(PQI) for improved protection against false
sync word detection in random noise

Support for automatic Clear Channel
Assessment (CCA) 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 Features


400 nA SLEEP mode current consumption

Fast startup time: 240 us from SLEEP 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 components: 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
synchronous serial receive/transmit mode
for backwards compatibility with existing
radio communication protocols
SWRS040C
CC2500
for asynchronous
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