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SPIRIT1 Datasheet, PDF (1/94 Pages) STMicroelectronics – Low data rate, low power sub-1GHZ transceiver
SPIRIT1
Low data rate, low power sub-1GHZ transceiver
Features
■ Frequency bands: 150-174 MHz, 300-348
MHz, 387-470 MHz, 779-956 MHz
■ Modulation schemes: 2-FSK, GFSK, MSK,
GMSK, OOK, and ASK
■ Air data rate from 1 to 500 kbps
■ Very low power consumption (9 mA RX and 21
mA TX at +11 dBm)
■ Programmable RX digital filter from 1 kHz to
800 kHz
■ Programmable channel spacing (12.5 kHz
min.)
■ Excellent performance of receiver sensitivity (-
118 dBm), selectivity, and blocking
■ Programmable output power up to +11 dBm
■ Fast startup and frequency synthesizer settling
time (6 µs)
■ Frequency offset compensation
■ Integrated temperature sensor
■ Battery indicator and low battery detector
■ RX and TX FIFO buffer (96 bytes each)
■ Configurability via SPI interface
■ Automatic acknowledgement, retransmission,
and timeout protocol engine
■ AES 128-bit encryption co-processor
■ Antenna diversity algorithm
■ Fully integrated ultra low power RC oscillator
■ Wake-up on internal timer and wake-up on
external event
■ Flexible packet length with dynamic payload
length
■ Sync word detection
■ Address check
■ Automatic CRC handling
■ FEC with interleaving
Datasheet — production data
QFN20
■ Digital RSSI output
■ Programmable carrier sense (CS) indicator
■ Automatic clear channel assessment (CCA)
before transmitting (for listen-before-talk
systems). Embedded CSMA/CA protocol
■ Programmable preamble quality indicator
(PQI)
■ Link quality indication (LQI)
■ Whitening and de-whitening of data
■ Wireless M-BUS, EN 300 220, FCC CFR47 15
(15.205, 15.209, 15.231, 15.247, 15.249), and
ARIB STD T-67, T93, T-108 compliant
■ QFN20 4x4 mm RoHS package
■ Operating temperature range from -40 °C to 85
°C
Applications
■ AMR (automatic meter reading)
■ Home and building automation
■ WSN (wireless sensors network)
■ Industrial monitoring and control
■ Wireless fire and security alarm systems
■ Point-to-point wireless link
Table 1. Device summary
Order code
Package
SPIRIT1QTR
QFN20
Packing
Tape and reel
October 2012
This is information on a product in full production.
Doc ID 022758 Rev 3
1/94
www.st.com
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