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RFM12 Datasheet, PDF (1/10 Pages) – | |||
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RFM12
UNIVERSAL ISM BAND FSK TRANSCEIVER MODULE
RFM12
ï¼the purpose of this spec covers mainly for the
physical characteristic of the module, for register
configure and its related command info please refer
to RF12 data sheetsï¼
RFM12
General Introduction
RFM12 is a low costing ISM band transceiver
module implemented with unique PLL. It works
signal ranges from 315/433/868/915MHZ bands,
comply with FCC, ETSI regulation. The SPI
interface is used to communicate with
microcontroller for parameter setting.
Features:
⢠Low costing, high performance and price ratio
⢠Tuning free during production
⢠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 demodulatorï¼with external RC filter highest data rate is
256 kbps)
⢠Differential antenna input
⢠Automatic antenna tuning
⢠Programmable TX frequency deviation (from 15 to 240 KHz)
⢠Programmable receiver bandwidth (from 67 to 400 kHz)
⢠Analog and digital signal strength indicator (ARSSI/DRSSI)
⢠AFC
⢠DQD
⢠Internal data filtering and clock recovery
⢠RX synchron pattern recognition
⢠SPI interface
⢠Clock and reset signal output for external MCU use
⢠16 bit RX Data FIFO
⢠Two 8 bit TX data registers
⢠10MHz crystal for PLL timing
⢠Wakeup timer
⢠2.2V - 5.4V power supply
⢠Low power consumption
⢠Standby current less than 0.3uA
Tel: +86-755-82973806 Fax: +86-755-82973550 E-mail: sales@hoperf.com
http://www.hoperf.com
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