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XE1283
XE1283
433/868/915MHz low-power integrated UHF transceiver
with low-power dedicated microcontroller
GENERAL DESCRIPTION
The XE1283 combines the functionality of a low-
power transceiver operating in the 433, 868 and
915 MHz license-free ISM (Industry Scientific and
Medical) frequency bands and an ultra low power
microcontroller including the revolutionary
BitJockey?, a UART-like peripheral dedicated to
radio communication. The highly integrated
architecture of the circuit allows for minimum
external components while maintaining design
flexibility. The XE1283 offers the advantage of
high data rate communication at rates up to 152.3
kbit/s, without the need to modify the values or
number of external components. Pre-routed
internal connections and an available Application
Program Interface (API) greatly simplify
development while the BitJockey? dedicated
hardware frees up microcontroller resources
available for implementing the application layer.
The XE1283 is optimized for low power
consumption while offering high RF output power
KEY PRODUCT FEATURES
? Supply voltage down to 2.4V
? Small package size 10x10 mm
TRANSCEIVER
? Output power: up to +15 dBm into a 50 ? load
? Reception sensitivity: down to –113 dBm
? Low consumption:14 mA in Rx; 72 mA inTx@15
dBm
? Data rate from 1.2 to 152.3 kbit/s
? Konnex-compatible operation mode
? On-chip frequency synthesizer 500 Hz steps
? Continuous phase 2-level FSK modulation
? Received data pattern recognition (for
microcontroller wake-up)
? Bit-Synchronizer for incoming data/clock
synchronization and recovery
? RSSI & FEI
MICROCONTROLLER
and exceptional receiver sensitivity. The device is
suitable for circuit applications which have to
satisfy either the European (ETSI-300-220) or the
North American (FCC part 15) regulatory
standards.
APPLICATIONS
?
?
?
?
?
?
8-bit RISC core; one cycle per instruction
Up to 6 MIPS, 300 uA at 1 MIPS operation
Up to 22 kbytes (8 k instructions) MTP,
512 bytes RAM
4 counters, PWM, UART, BitJockey?
4 low-power analog comparators
?
?
?
Automated Meter Reading (AMR)
Home Automation and Access Control
Music, High-Quality Speech, and Data over RF
ORDERING INFORMATION
Part number Temperature range
Package
?
Applications requiring Konnex-compatibility
XE1283I076TRLF
-40°C to 85°C
LFBGA72
Rev 1 August 2005
1
www.semtech.com
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