IO- homecontrol兼容RF收发器 io-homecontrol-Compliant RF Transceiver
FEATURES
Very low power, high performance, low IF transceiver
Fully integrated io-homecontrol compliant protocol covering
Layer 1, Layer 2, and time critical elements of Layer 3
Media access
Master, slave, and beacon modes supported
Automatic io-homecontrol channel scan
Automatic CRC, preamble, start byte insertion/check
UART data encoding as per io-homecontrol
Smart preamble detect/packet sniffing
Automatic address filtering
Low power modes
Autonomous packet handling without intervention of host
microprocessor thus significantly increasing battery life
1-way and 2-way communication supported
Automatic wake-up timer
32-bit hardware timer, 16-bit firmware timer 48 bits total
Uses either
External 32 kHz crystal
Internal 32 kHz RC oscillator
Patented fast settling automatic frequency control AFC
Fully integrated image rejection calibration patent pending
Digital RSSI
Operating frequencies
Channel 1: 868.25 MHz
Channel 2: 868.95 MHz
Channel 3: 869.85 MHz
Very low power consumption
12.8 mA in receive mode with AGC active
11.9 mA in receive mode with manual AGC, ADC off
24.1 mA in transmit mode 10 dBm output
0.75 μA in RCO wake mode
1.25 μA in XTO wake mode 32 kHz oscillator active
38.4 μA average current in low power mode
Receiver sensitivity 10−3 BER
−108.5 dBm at 38.4 kbps FSK, 20 kHz deviation
Output power programmable up to 13.5 dBm
Automatic PA ramping
Dual PAs offer Tx antenna diversity
Very few external components
Integrated PLL loop filter
Integrated Rx/Tx switch
Integrated battery monitor
On-chip 8-bit ADC and temperature sensor
Efficient and flexible SPI control interface
4 lines available for low cost microcontroller interface
Flexible Tx and Rx data buffers
Efficient burst mode register access
1.8 V to 3.6 V power supply
5 mm × 5 mm, 32-lead LFCSP package
APPLICATIONS
Home automation
Process and building control
