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PDF RC11xx-RC232 Data sheet ( Hoja de datos )
| Número de pieza | RC11xx-RC232 | |
| Descripción | Low Cost Multi-Channel RF Transceiver Module | |
| Fabricantes | Radiocrafts | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de RC11xx-RC232 (archivo pdf) en la parte inferior de esta página. Total 24 Páginas | ||
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Radiocrafts
Embedded Wireless Solutions
RC11xx-RC232
Low Cost Multi-Channel RF Transceiver Module
Product Description
The RC11XX-RC232 RF Transceiver Modules are compact surface-mounted high performance
modules for FSK operation with embedded protocol. The modules are completely shielded and
pre-certified for operation under the European radio regulations for license-free use.
RC1170- and RC1190-RC232 conforms with regulations for operation under FCC (USA and
Canada) and under the directives given by G.S.R. (India) respectively.
Applications
• Wireless Sensor Networks
• Automatic Meter Reading
• Alarm and security systems
• Point-of-sales terminals
• Bar code scanners
• Telemetry stations
• Fleet management
Features
• Small size (12.7 x 25.4 x 3.3 mm), shielded and optimized for SMD mounting
• Low sleep current consumption, well suited for battery operated equipment
• Embedded RC232™ protocol with Addressing and Error check
• Up to 1018 byte data buffer
• Two-wire UART interface for easy RS232/422/485www.DataSheet.co.kr wire replacement (handshake optional)
• No external components
• No configuration required for single-channel use
• Easy to use data interface
• Wide supply voltage range, 2.0 – 3.9 V
• RC1140/80-RC232 conforms with EU R&TTE directive (EN 300 220, EN 301 489, EN 60950)
• RC1190-RC232 conforms with regulations for operation under FCC CFR 47 part 15
• RC1170-RC232 complies with G.S.R.564(E) (G.S.R.168(E)).
Quick Reference Data
Parameter
Frequency bands
Number of channels
Data rate
Max output power
Sensitivity
Supply voltage
Current consumption,
RX / TX
Current consumption,
SLEEP
Temperature range
RC1140-
RC232
433.05 –
433.79
17
1.2 - 100
10
-110
2.0 – 3.9
24 / 35
Typ. 0.3
-40 to +85
RC1170-
RC1180-
RC232
RC232
865.0 – 867.0 868.0 – 870.0
15
1.2 - 100
10
-110
2.0 – 3.9
24 / 35
16
1.2 - 100
10
-110
2.0 – 3.9
24 / 37
Typ. 0.3
Typ 0.3
-40 to +85
-40 to +85
RC1190-
RC232
902 – 915
Unit
MHz
50
1.2 - 100
-1
-110
2.0 – 3.9
24 / 37
kbit/s
dBm
dBm
Volt
mA
Typ 0.3 uA
-40 to +85 °C
2010 Radiocrafts AS
RC11xx-RC232 Data Sheet (rev. 1.43)
Page 1 of 24
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
Radiocrafts
Embedded Wireless Solutions
Block Diagram
RC11xx-RC232
GND
CTS
RTS
CONFIG
TXD
RXD
GND
Communication
controller
Voltage Regulator
RF Transceiver
GND
VCC
RESET
NC
GND
RF
GND
Circuit Description
The module contains a communication controller with embedded RC232™ protocol software, a
high performance RF transceiver and an internal voltage regulator.
The communication controller handles the radio packet protocol, the UART interface and controls
the RF transceiver. Data to be sent by the host is received at the RXD pin and buffered in the
communication controller. The data packet is then assembled with preamble, start-of-frame
delimiter (SOF), address information and CRC check sum before it is transmitted on RF. The
preamble and SOF is always used. The address and CRC are optional.
The RF transceiver modulates the data to be transmitted on RF frequency, and demodulates data
that are received.
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Received data are checked for correct address and CRC by the communication controller. If the
address matches the modules own address, and no CRC errors were detected, the data packet is
sent to the host on the TXD line after removing the header.
The asynchronous UART interface consists of RXD and TXD. Optionally CTS, RTS can be used
for hardware handshake flow control. RXTX can be used to control the direction of an RS485
driver circuit.
When the CONFIG pin is asserted the communication controller interprets data received on the
RXD pin as configuration commands. There are commands to change the radio channel, the
output power, the destination address etc. Permanent changes of the configuration is also
possible and are then stored in internal non-volatile memory.
The RF protocol and the configuration commands are described in detail in the RC232™ User
Manual.
The supply voltage is connected to the VCC pin. The module contains an internal voltage
regulator and can therefore operate over a wide supply voltage range.
2010 Radiocrafts AS
RC11xx-RC232 Data Sheet (rev. 1.43)
Page 5 of 24
Datasheet pdf - http://www.DataSheet4U.net/
5 Page 
Radiocrafts
Embedded Wireless Solutions
RC11xx-RC232
RSSI Reading
The module provides a digital Received Signal Strength Indicator (RSSI) through the ‘S’
command, or attached to received messages. The module returns an 8 bit character (one byte)
indicating the current input signal strength (followed immediately by a second character which is
the prompt (‘>’) when in command mode). The signal strength can be used as an indication of
fading margin, or as a carrier sense signal to avoid collisions.
The signal strength measure by the S command is the instantaneous value. The RSSI value
appended to a received message (RSSI_MODE = 1) is the signal strength of that received
packet.
The RSSI value increases with increased input signal strength in 0.5 dB steps. Input signal
strength is given by (typ.):
P = - RSSI / 2 [dBm]
The dynamic range of the RSSI (P) goes from the Sensitivity level up to typical -30 dBm (RSSI
saturation level).
Temperature Reading
The module provides readings of a digital temperature monitoring sensor (TEMP) through the ‘U’
command. The module returns an 8 bit character (one byte) indicating the current temperature in
degrees Celsius (°C) followed immediately by a second character which is the prompt (‘>’).
The TEMP value increases with increased temperature in 1 °C steps and accuracy of +/- 2 °C.
Temperature is given by:
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T = TEMP(dec) - 128 [°C] (example: TEMP=0x98 equals +24 °C)
Power Supply voltage Reading
The module provides readings of an internal power supply voltage monitoring sensor (VCC)
through the ‘V’ command. The module returns an 8 bit character (one byte) indicating the current
power supply voltage level followed immediately by a second character which is the prompt (‘>’).
The command can be useful for battery power monitoring.
The VCC value increases with increased power supply voltage in 30 mV steps. The power supply
voltage is given by:
V = VCC(dec)*0.030 [V] (example: VCC=0x68 equals 3.12 V)
2010 Radiocrafts AS
RC11xx-RC232 Data Sheet (rev. 1.43)
Page 11 of 24
Datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
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