RFM12BP
RFM12BP is UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE manufactured by HOPERF.
Features
:
- High output power with 500m W
- High input sensitivity with -117d Bm
- Low costing, high performance and price ratio
- PLL and zero IF technology
- Fast PLL lock time
- High resolution PLL with 2.5 KHz step
- High data rate (up to 115.2 kbps with internal demodulator，with external RC filter highest data rate is 256 kbps)
- 50 OHM antenna input/output
- Programmable TX power
- Programmable TX frequency deviation (from 15 to 240 KHz)
- Programmable receiver bandwidth (from 67 to 400 k Hz)
- Analog and digital signal strength indicator (ARSSI/DRSSI) Tel: +86-755-82973805 Fax: +86-755-82973550 http://.hoperf. E-mail: sales@hoperf. 1 of 8
- Automatic frequency control (AFC)
- Data quality detection (DQD)
- Internal data filtering and clock recovery
- RX synchron pattern recognition
- SPI patible serial control interface
- Clock and reset signal output for external MCU use
- 16 bit RX Data FIFO
- Two 8 bit TX data registers
- Wakeup timer
- 2.2V
- 3.8V power supply for FSK IC, 12V power supply for power amplifier
- Standby current less than 0.3u A
- Supports very short packets (down to 3 bytes)
Free Datasheet http://../
Datasheet REV2.3
Typical Application：
- Remote control
- Remote sensor
- Wireless data collection
- Home security system
- Toys
Pin Definition：
PIN number 1 2 3 4 5 6 7 8 9 10 definition GND GND VCC-PA GND SDI SCK n SEL SDO n IRQ FSK/DATA/n FFS
Type S S S S DI DI DI DO DO DI/DO/DI
Function ground ground Positive power supply for power amplifier (12V) ground SPI data input SPI clock input Chip select (active low) Serial data output with bus hold Interrupts request output（active low） Transmit FSK data input/ Received data output (FIFO not used)/ FIFO...
