Datasheet
XE1203
VSSP
VSSF
VDDA
VSSD
VDDF
VDD
VSS
VDDD
VDDP
VSSA
RSSI
FAM P
RFA
M A T C H IN G
NETW ORK
RFB
LNA
FAM P
LPF
BBAMP
L IM
PATTERN
M A T C H IN G
PHASE
S H IF T E R
FEI
LPF
BBAMP
L IM
CONTROL
DATA
SI
SO
SCK
EN
S W IT C H
PATTERN
DCLK
LO _BUF
IR E F
DEMOD
B IT S Y N C
1 1 B its
BARKER
DECODER
L O G IC
CONTROL
D A T A IN
DATA
D IV C T L
MMOD
D IV ID E R
RFOUT
M A T C H IN G
NETW ORK
PA
VCO
CH PUMP
PFD
m o d u la to r
/n
S y n t h e s iz e r
CLKXTAL
1 1 B it s
BARKER
ENCODER
XE1203
O S C IL L A T O R
/n
C LO C K O U T
IR E F
POR
XTA
XTB
C LKO UT
T S U P P T M O D (3 :0 )
POR
TKA
VCO
TANK
TKB
LFB
LO O P
F IL T 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.
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:
R
X
= 14mA; T
X
= 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)
APPLICATIONS
•
•
•
•
Automated Meter Reading (AMR)
Home Automation and Access Control
High-Quality Speech, Music and Data over RF
Applications requiring Konnex-compatibility
ORDERING INFORMATION
Part number
XE1203I063
Temperature range
-40°C to +85°
Package
VQFN48
Cool Solutions for Wireless Connectivity
XEMICS SA
•
e-mail: info@xemics.com
•
web: www.xemics.com
Data Sheet
XE1203
Table of Contents
1
2
3
3.1
3.2
3.2.1
3.2.2
Functional Block Diagram .........................................................................................................................3
Pin description............................................................................................................................................4
Electrical Characteristics...........................................................................................................................5
Absolute Maximum Operating Ranges.........................................................................................................5
Specifications................................................................................................................................................5
Operating Range ...........................................................................................................................................5
Electrical Specifications ................................................................................................................................6
4
General Description....................................................................................................................................8
4.1
Detailed description ......................................................................................................................................8
4.1.1 Introduction....................................................................................................................................................8
4.1.2 Receiver ........................................................................................................................................................8
4.1.3 Demodulation chain ......................................................................................................................................9
4.1.4 The demodulator, ..........................................................................................................................................9
4.1.5 The bit synchronizer....................................................................................................................................10
4.1.6 The barker decoder,....................................................................................................................................11
4.1.7 Pattern recognition block.............................................................................................................................12
4.1.8 High sensitivity vs. high linearity: A-mode, B-mode ....................................................................................13
4.1.9 RSSI ............................................................................................................................................................13
4.1.10Frequency Error Indicator - FEI...................................................................................................................14
4.1.11Transmitter ..................................................................................................................................................15
4.1.12Barker encoding. .........................................................................................................................................17
4.1.13Clock Output for external processor............................................................................................................18
5
5.1
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
5.2.6
5.2.7
5.3
5.3.1
5.4
5.5
5.6
6
6.1
6.2
6.3
6.4
6.5
6.6
7
Interface definition, Principles of operation ..........................................................................................19
Serial Control Interface ...............................................................................................................................19
Configuration and Status registers .............................................................................................................20
Configuration register: general description .................................................................................................21
RTParam configuration register ..................................................................................................................22
FSParam configuration register ..................................................................................................................24
Switching parameters..................................................................................................................................25
DataOut register ..........................................................................................................................................26
ADParam configuration register ..................................................................................................................27
Pattern register............................................................................................................................................29
Operating Modes ........................................................................................................................................30
Standard power up sequence for the receiver and transmitter...................................................................31
Selection of the reference frequency..........................................................................................................32
Clock Output Interface ................................................................................................................................32
Default settings at power-up.......................................................................................................................32
Application Information ...........................................................................................................................33
Matching network of the receiver................................................................................................................33
Matching network of the transmitter ...........................................................................................................33
VCO tank ....................................................................................................................................................34
Loop filter of the frequency synthesizer......................................................................................................34
Reference crystal for the frequency synthesizer ........................................................................................35
Typical application ......................................................................................................................................36
Packaging information .............................................................................................................................37
2
D0308-214
Data Sheet
XE1203
The XE1203 is a single-chip integrated circuit solution intended for use as a low cost FSK transceiver to establish a
frequency-agile, half-duplex, bi-directional RF link, with NRZ (non-return to zero) data coding. Barker
encoder/decoder hardware can be activated to modulate/demodulate the transmitted signal to reduce the effects of
fixed-frequency in-band interference. The device is available in a VQFN48 package and is designed to provide a
fully functional multi-channel FSK transceiver. It is intended for applications in the 868MHz European band and the
North American 902-928MHz ISM band. The single chip transceiver operates down to 2.4 V and provides low
power consumption solutions for battery-operated and power sensitive applications. The XE1203 is capable of
operating data rates as high as 152.3 kbit/s. This makes it ideally suited for applications where high data rates are
required.
1
FUNCTIONAL BLOCK DIAGRAM
VSSF
VSSD
VSSP
VDDF
VDDD
VDDP
VDDA
VDD
VSS
VSSA
RSSI
FAMP
RFA
MATCHING
NETWORK
RFB
LNA
FAMP
LPF
BBAMP
LIM
PATTERN
MATCHING
PHASE
SHIFTER
FEI
LPF
BBAMP
LIM
CONTROL
DATA
SI
SO
SCK
EN
SWITCH
PATTERN
DCLK
LO_BUF
IREF
DEMOD
BITSYNC
11 Bits
BARKER
DECODER
LOGIC
CONTROL
DATAIN
DATA
DIVCTL
MMOD
DIVIDER
RFOUT
MATCHING
NETWORK
PA
VCO
CH PUMP
PFD
modulator
/n
Synthesizer
CLKXTAL
11 Bits
BARKER
ENCODER
XE1203
OSCILLATOR
/n
CLOCK OUT
IREF
POR
XTA
XTB
CLKOUT
TSUPP TMOD(3:0)
POR
TKA
VCO
TANK
TKB
LFB
LOOP
FILTER
XTAL
3
D0308-214
Data Sheet
XE1203
2
PIN
36
18
29
12
10
42
19
PIN DESCRIPTION
NAME
VDD
VDDD
VDDA
VDDF
VDDP
VSS
VSSD
VSSA
VSSF
VSSP
RFA
RFB
RFOUT
TKA
TKB
LFB
XTA
XTB
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
IN/OUT
I/O
Description
VDD for low frequency digital blocks
VDD for high frequency digital blocks
VDD for low frequency analog blocks
VDD for high frequency analog blocks
VDD for the power amplifier
VSS for low frequency digital blocks
VSS for high frequency digital blocks
VSS for low frequency analog blocks
VSS for high frequency analog blocks
VSS for the power amplifier
RF input
RF input
RF output
VCO tank
VCO tank
Loop filter of the PLL
Quartz and input of external clock
Quartz
Not connected
27,25
4,16,13
7,8
5
6
9
14
15
17
26
28
1,2,3,22,30,31,47,48
39
35
38
40
37
43
45
44
41
46
11,20,21,23,24,32,
33, 34
SI
EN
SO
SCK
SWITCH
DCLK
DATAIN
DATA
CLKOUT
PATTERN
Test pins
IN
IN
OUT
IN
IN/OUT
OUT
IN
IN/OUT
Out
Out
IN
Data input of the 3-wires interface
3-wire interface communication enable signal
Data output of the 3-wires interface
Input clock of the 3-wires interface
Receiver or Transmitter mode selection
Transmitter or Receiver clock
Transmitter input data
Transmitter input data or Receiver output data
Output clock at quartz frequency divided by 4, 8, 16 or 32
Output of the pattern recognition block
Connected to ground
4
D0308-214
Data Sheet
XE1203
3
ELECTRICAL 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
-55
Min.
-0.5
3.9
125
Max.
V
°C
Unit
The device is ESD sensitive and should be handled with precaution.
3.2
3.2.1
SPECIFICATIONS
Operating Range
Description
Supply voltage
Temperature
Load capacitance on digital ports
2.4
-40
-
Min.
3.6
85
25
Max.
V
°C
pF
Unit
Symbol
VDDop
TRop
Clop
5
D0308-214
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