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PDF XE1203 Data sheet ( Hoja de datos )
| Número de pieza | XE1203 | |
| Descripción | integrated UHF transceiver | |
| Fabricantes | Xemics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de XE1203 (archivo pdf) en la parte inferior de esta página. Total 30 Páginas | ||
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Datasheet
XE1203
www.DataSheet4U.com
M A T C H IN G
NETW ORK
M A T C H IN G
NETW ORK
RFA
LNA
RFB
FAM P
LPF
BBAMP
L IM
FAM P
LPF
BBAMP
L IM
LO _B U F
PHASE
S H IF T E R
IR E F
RFOUT
PA
MMOD
D IV ID E R
VCO
D IV C T L
m o d u la to r
/n
S yn th e size r
CLKXTAL
CH PUMP
PFD
O S C ILLA T O R
TKA
TKB
LFB
XTA
XTB
RSSI
FEI
CONTROL
DATA
SI
SO
SCK
EN
S W IT C H
DEMOD
PATTERN
M A T C H IN G
B IT S Y N C
1 1 B its
BARKER
DECODER
PATTERN
LO G IC
CONTROL
DCLK
D A T A IN
DATA
1 1 B its
BARKER
ENCODER
XE1203
/n
CLOCK OUT
C LKO U T
T S U P P T M O D (3:0)
IR E F
POR
POR
VCO
TANK
LO O P
F ILT E R
XTAL
XE1203
433MHz / 868MHz / 915MHz
Low-power, integrated UHF transceiver
GENERAL DESCRIPTION
The XE1203 is a single chip transceiver operating
in the 868 and 915MHz license-free ISM (Industry
Scientific and Medical) frequency bands. Its highly
integrated architecture allows for minimum
external components while maintaining design
flexibility. All major RF communication parameters
are programmable and most of them can be
dynamically set. The XE1203 offers the unique
advantage of high data rate communication at
rates up to 152.3kbit/s, without the need to modify
the number or parameters of the external
components. The XE1203 is optimized for low
power consumption while offering high RF output
power and exceptional receiver sensitivity. The
device is suitable for circuit applications which
have to satisfy either the European (ETSI-300-
220) or the North American (FCC part 15)
regulatory standards.
APPLICATIONS
• Automated Meter Reading (AMR)
• Home Automation and Access Control
• High-Quality Speech, Music and Data over RF
• Applications requiring Konnex-compatibility
KEY PRODUCT FEATURES
• RF output power: up to +15dBm on a 50 Ω
load (typical)
• High reception sensitivity: down to –113 dBm
(typical)
• Low power consumption:
RX = 14mA; TX = 62 mA @15dBm (typical)
• Supply voltage down to 2.4V
• Data rate from 1.2 to 152.3kbps, NRZ coding
• Konnex-compatible operation mode
• 11-bit Barker encoder/decoder
• On-chip frequency synthesizer with steps of
500Hz
• Continuous phase 2-level FSK modulation
• Received data pattern recognition (for wake-
up)
• Bit-Synchronizer for incoming data/clock
synchronization and recovery
• RSSI (Received Signal Strength Indicator)
• FEI (Frequency Error Indicator)
ORDERING INFORMATION
Part number Temperature range
XE1203I063 -40°C to +85°
Package
VQFN48
Cool Solutions for Wireless Connectivity
1 page  
Data Sheet
XE1203
3wwwE.DLaEtaSChTeeRt4UIC.cAomL CHARACTERISTICS
3.1 ABSOLUTE MAXIMUM OPERATING RANGES
Stresses above those values listed below may cause permanent device failure. Exposure to absolute maximum
ratings for extended periods may affect device reliability.
Symbol
VDDmr
Tmr
Description
Supply voltage
Storage temperature
Min.
-0.5
-55
Max.
3.9
125
Unit
V
°C
The device is ESD sensitive and should be handled with precaution.
3.2 SPECIFICATIONS
3.2.1 Operating Range
Symbol
VDDop
TRop
Clop
Description
Supply voltage
Temperature
Load capacitance on digital ports
Min.
2.4
-40
-
Max.
3.6
85
25
Unit
V
°C
pF
5 D0308-214
5 Page 
Data Sheet
XE1203
www.DataSheet4U.com
4.1.6 Barker decoder
The Barker decoder is an alternative to the bit synchronizer for a fixed data rate of 1154 bps. The barker block is
selected in receiver mode when RTParam_Barker is high. In transmission, the information data at a bit rate of 1154
bps is spread using an 11 bits barker code. The result is a bit stream at 12.7 Kilo chips per second (Kcps), which is
applied to the frequency synthesizer. At the receiver part, the signal is demodulated using the FSK demodulator (at
12.7 Kcps) and fed to the Barker decoder that provides a information data stream (1154 bps) and a synchronized
clock to sample it.
The following figure describes the coding/decoding process.
information data
1154 bps
BARKER ENCODER
11 bit barker code
encoded information
12.7 Kcps
chip rate = 12.7 Kcps
FSK
MODULATOR
FSK DEMODULATOR
BARKER DECODER
11 bit barker code
Demodulated chips with some
residual jitter.
chip rate = 12.7 Kcps
data
DCLK
data out (information recovered)
dclk = 1.145 KHz
data rate = 1.145 Kbps
Figure 3. Data encoding decoding channel.
In reception mode, the chip provides a clock (DCLK) to a microcontroller. The data can be sampled at the rising
edge of the clock. When using the barker coding decoding process, DCLK is used to detect the sync acquisition. If
there is no valid data, DCLK remains high. The first falling edge of the clock means that the sync acquisition phase
is reached and the data has became available. The next figure shows the data exchange during the reception
mode.
11 D0308-214
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet XE1203.PDF ] | |
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