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PDF RF1212 Data sheet ( Hoja de datos )
| Número de pieza | RF1212 | |
| Descripción | Ultra-low Power ISM Transceiver Module | |
| Fabricantes | Appcon Wireless | |
| Logotipo |  |
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RF1212
RF1212
Ultra-low Power ISM Transceiver Module V2.0
___________________________________________________
Application：
Features:
Home automation
Security alarm
Telemetry
Automatic meter reading
Contactless access
Wireless data logger
Remote motor control
Wireless sensor network
FSK transceiver Module
433Mhz ISM frequency band
20k bps FSK data rate
Multiple channels
10dBm Max. output power
Baud rate configurable
Two 256 bytes data buffers
Standby current < 1.5uA
Supply voltage 2.1~3.6V
Description
RF1212 is a low-cost sub-1 GHz transceiver module designed for operations in
the unlicensed ISM (Industrial Scientific Medical) and LPRD bands. FSK
(Frequency Shift Keying) modulation/demodulation, multi-channel operation, high
bandwidth efficiency and anti-blocking performance make RF1212 modules easy to
realize the robust and reliable wireless link.
The module can be configured to work in different channels with 200 KHz
space. It adopts high efficient looped interleaving EDAC (Error Detection and
correction) coding with coding gain up to 3dB which keeps in advance in error
correction and coding efficiency over normal FEC (Forward Error Correction)
- 1 - 2011-10-12
1 page  
APPLICATION INFORMATION
RF1212
Symbol
VCC
VI
Vo
TST
Parameter
Min Max
Supply Voltage
-0.3
3.7
Input Voltage
-0.3 VCC+0.3
Output Voltage
Storage
Temperature
-0.3 VCC+0.3
-55 125
Table 3 RF1212 Maximum Ratings
Units
V
V
V
°C
1. Data Packet Pattern
PREAMBLE SYNCWORD ID (Optional) DATA + FEC +CRC
Table 4 RF1212 Packet Pattern
The preamble is alternative “1010” codes which is used to make the clock of receiver
synchronous with transmitter. In normal conditions, 32 bits preamble is enough for
use. When RF1212 works in power-saving mode, the preamble also can be functioned
to wake up the receiver and it must be long enough in order to obtain such a function.
If the receiver is configured to wake up at the interval of one second, it wakes up and
searches the preamble (TW) every other second and lasting 16 bits. The transmitter
must transmit preamble longer than 1 second and then send synchronous word, which
means the receiver can detect the preamble and wake up receiver successfully.
2. Working Mode
RF1212 can work in 4 different modes which can be configured through SETA and
- 5 - 2011-10-12
5 Page 
RF1212
E.g. If the user wants to set the module work at Freq (433.92MHz), DRFSK (10K
bps), POUT (10dBm), DRIN (9.6k bps), Parity (no parity), TW (1second), the
command could be written as follows:
Write Command: 0xFF,0x56,0xAE,0x35,0xA9,0x55,0x90, 0x06,0x9F,0x00, 0x03,
0x07, 0x03, 0x00,0x05
Response:
0x24,0x24,0x24, 0x06,0x9F,0x00, 0x03,0x07,0x03,0x00,0x05
- 11 -
2011-10-12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet RF1212.PDF ] | |
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