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rev 3 may 2006 www.semtech.com 1 dp1203f 433/868/915 mhz rf modules dp1203f ? c433 / 868 / 915 433, 868 and 915 mhz drop-in rf transceiver modules combine small form factor with high performance general description the dp1203fs are complete radio transceiver modules operating in the 433, 868 and 915 mhz license free ism (industrial scientific and medical) frequency bands. based on the xe1203f transceiver, the dp1203f offers the unique advantage of high data rate communication up to 152.3 kbit/s. combining high output power and exceptional receiver sensitivity, the radio modules is suitable for applications seeking to satisfy the european (etsi en300-220-1 and en301 439-3) or the north american (fcc part 15.247 and 15.249) regulatory standards. the dp1203f modules can be used in any environment where wireless remote connection is an advantage. the dp1203f modules are perfect for complex wireless networks involving high speed data rate applications. applications ? home automation and access control ? wireless network ? process and building control key product features ? no rf knowledge required ? direct digital interface ? fully assembled and tested ? surface mount ? 30.5 mm x 18.5 mm ? available on tape&reel for automatic assembly system ? supply voltage 2.4 v ? 3.6 v ? frequency synthesizer steps 500 hz ? output power is programmable up to 15 dbm ? high rx 0.1% sensitivity down to -111 dbm ? data rate up to 152.3 kbit/s ? current consumption tx=62 ma at15 dbm ? current consumption rx=14 ma ? digital rssi (received signal strength indicator) ? digital fei (frequency error indicator) device options part number frequency band package dp1203c4333lf 433-435 mhz board dp1203c8683lf 868-870 mhz board DP1203C9153LF 902-928 mhz board
? semtech 2006 www.semtech.com 2 dp1203f 433/868/915 mhz rf modules table of contents 1 pin description ................................................................................................................ ............................3 2 electrical characteristics ..................................................................................................... ......................4 2.1 absolute maximum operating ranges.............................................................................................. ..............4 2.2 specifications ................................................................................................................. ...............................5 3 functional description ............ .................. .................. .................... ............... ......... ............. ......................6 4 serial control interface....................................................................................................... ........................7 5 operation modes ................................................................................................................ .........................8 5.1 standard sequence for switching between receiver and transmitter ............................................................9 6 typical application ............................................................................................................ .......................10 7 mechanical dimensions.......................................................................................................... ..................11 8 packaging information.......................................................................................................... ....................12 9 references ..................................................................................................................... ............................12
? semtech 2006 www.semtech.com 3 dp1203f 433/868/915 mhz rf modules 1 pin description xe1203f 1 2 3 30.5 18.50 pad dimension 1.8 45 6 6 7 8910 11 12 13 14 15 16 17 18 19 20 21 1.0 pin name i/o description 1 gnd in ground 2 rfin/out in/out rf input / output terminal 3 gnd ground 4 vddp supply voltage / advised nc 5 vdda supply voltage 6 gnd ground 7 vdd supply voltage 8 en in 3-wire interface communication enable signal 9 switch in/out operating mode selection 10 gnd ground 11 gnd ground 12 so out data output of the 3-wires interface 13 si in data input of the 3-wires interface 14 sck in input clock of the 3-wires interface 15 clkout out output clock at quartz frequency divided by 4, 8, 16 or 32 16 dclk out transmitter or receiver clock 17 data in/out transmitter input data or receiver output data 18 datain in transmitter input data 19 pattern out output of the pattern recognition block 20 rx in antenna switch rx select 21 tx in antenna switch tx select
? semtech 2006 www.semtech.com 4 dp1203f 433/868/915 mhz rf modules 2 electrical characteristics 2.1 absolute maximum operating ranges description min max unit supply voltage 2.4 3.6 v operating temperature -40 +85 o c storage temperature -55 125 o c soldering temperature (max 15 sec) 260 o c caution: esd sensitive device. precaution should be taken when handling the device in order to prevent permanent damage life support policy and use in safety critical applications semtech products are not designed, intended, authorized or warranted to be suitable for use in life-support applications, devices or systems or other critical applications. inclusion of semtech products in such applications is understood to be undertaken solely at the customer?s own risk.
? semtech 2006 www.semtech.com 5 dp1203f 433/868/915 mhz rf modules 2.2 specifications the table below gives the specifications of the dp1203f under the following conditions: supply voltage vdd = 3.3v, temperature = 25 c, 2-level fsk without pre-filtering, carrier frequency fc = 434 mhz for dp1203c4333lf, fc = 869 mhz for dp1203c8683lf and fc = 915 mhz for DP1203C9153LF, frequency deviation ? f = 55 khz, bit rate br = 4.8kbps, base band filter bandwidth bbw = 200 khz, bit error rate ber = 0.1 % (measured at the output of the bit synchronizer), antenna output matched at 50 ? . symbol parameter conditi ons min typ max units fr synthesizer frequency range dp1203c4333lf 433 - 435 mhz dp1203c8683lf 868 - 870 mhz DP1203C9153LF 902 - 928 mhz iddsl sleep mode supply current 0.2 1 ua iddst standby mode supply current 39 mhz running 0.85 1.1 ma iddr rx mode supply current 14 17 ma iddt tx mode supply current p rf = 5 dbm 33 40 ma p rf = 15dbm 62 75 ma rfs rf sensitivity a-mode, br = 4.8 kbps / ber = 0.1% -111 -108 dbm fda frequency deviation programmable 1 - 255 khz br bit rate programmable 1.2 - 152.3 kb/s p rf rf output power programmable. rfop1 -3 0 - dbm rfop2 +2 +5 - dbm rfop3 +7 +10 - dbm rfop4 +12 +15 - dbm ts_tr transmitter wake-up time from oscillator enabled - 150 250 us ts_re receiver base-band wake up time from oscillator enabled - 0.5 0.8 ms ts_os quartz oscillator wake up time fundamental - 1 2 ms xtal quartz oscillator frequency 39 mhz vih digital input level high % vdd 75 - - % vil digital input level low % vdd - - 25 %
? semtech 2006 www.semtech.com 6 dp1203f 433/868/915 mhz rf modules 3 functional description the true rf dp1203f is a cost effective high performance radio transceiver module designed for the wireless transmission of digital information over distances of >500 meters in free space. the module is based on the rf transceiver circuit from semtech, the xe1203f. for more information on the xe1203f, please refer to the xe1203f datasheet. the module incorporates an antenna switch and a saw filter placed on the rx path. dclk data rx tx xe1203f vco tank loop filter xtal 39 mhz lna match saw pa match rf switch clkout sck si so gnd gnd switch en vdd gnd vdda gnd rf in/ out gnd vddp datain pattern
? semtech 2006 www.semtech.com 7 dp1203f 433/868/915 mhz rf modules 4 serial control interface a 3-wire bi-directional bus (sck, si, so) is used to control the dp1203f. the output signal, so, is provided by the dp1203f in opposition to the sck and si which needs to be provided by the external application as an 8-bit microcontroller. an access read or write with the xe1203f is possible only when the enable signal is active (active low). for more information about the 3-wire bus, please refer to the xe1203f datasheet chapter; serial interface definition and principles of operation . write sequence into configuration register read sequence of configuration register a (4) a (3) a (2) a (1) a (0) d(7) d(6) d(5) d(4) d(3) d(2) d(1) d(0) sck si /en so high impedance high impedance a (4) a (3) a (2) a (1) a (0) d(7) d(6) d(5) d(4) d(3) d(2) d(1) d(0) sck si /en so high impedance
? semtech 2006 www.semtech.com 8 dp1203f 433/868/915 mhz rf modules 5 operation modes when operating the xe1203f, it might by useful to quickly switch between two pre-defined operating modes, to save time and traffic on the 3-wire serial interface bus. this may occur when the xe1203f is required to switch quickly between receive and transmit mode, when it has to operate on two different carrier frequencies, or when it has to switch between the high linearity mode b and the high sensitivity mode a. for that purpose, the five parameters stored in the swparam configuration register are duplicated: the configuration set#1 and the configuration set #2. depending on the configswitch 1-bit register or the inpu t level at the switch pin, the xe1203f transceiver will use either the swparam configuration set#1 or the set #2 . if the rtparam_switch_ext configuration parameter is low, then the swparam configuration set is selected by the configswitch parameter ? set#1 if configswitch is ?0?, set#2 if configswitch is ?1?. if the rtparam_switch_ext configuration parameter is high, then the swparam configuration set is selected by the switch pin ? set#1 if switch is low, set#2 if switch is high. configswitch register switch pin rtparam_switch_ext configuration parameter swparam configuration set selected 0 switch is an output: ?1? in transmitter mode ?0? in the other modes 0 set #1: swparam_mode_1 swparam_power_1 swparam_rmode_1 swparam_t_delsig_in_1 swparam_freq_1 1 switch is an output: ?1? in transmitter mode ?0? in the other modes 0 set #2: swparam_mode_2 swparam_power_2 swparam_rmode_2 swparam_t_delsig_in_2 swparam_freq_2 x 0 1 set #1: swparam_mode_1 swparam_power_1 swparam_rmode_1 swparam_t_delsig_in_1 swparam_freq_1 x 1 1 set #2: swparam_mode_2 swparam_power_2 swparam_rmode_2 swparam_t_delsig_in_2 swparam_freq_2 configswitch, switch pin and swparam configuration register for more information about the modes of operation, please refer to the xe1203f datasheet.
? semtech 2006 www.semtech.com 9 dp1203f 433/868/915 mhz rf modules 5.1 standard sequence for switching between receiver and transmitter the drop-in module dp1203f is able to switch between any configuration by using the 3-wire bus or by using the pin switch. this section describes the switching sequence from set #1 to set #2. switching sequence by using the 3-wire bus rtparam_switch_ext = 0 switching sequence by pad switch rtparam_switch_ext = 1
? semtech 2006 www.semtech.com 10 dp1203f 433/868/915 mhz rf modules 6 typical application the schematic below shows the dp1203f interfaced with a semtech?s microcontroller xe8806a. pd1 pd2 pd3 pd4 pd6 pd7 pd5 pd0 pb4 pb5 bit jockey xe8806a xe1203f vco tank loop filter xtal 39 mhz lna match saw pa match rf switch pb6 dclk data rx tx clkout sck si so gnd datain pattern gnd switch en vdd gnd vdda vddp gnd rf in/out gnd vcc 1nf 82 nh 0 0 33 pf 100 pf
? semtech 2006 www.semtech.com 11 dp1203f 433/868/915 mhz rf modules 7 mechanical dimensions the following diagram shows the physical footprint and dimensions of the dp1203f drop-in module, which should be implemented on the mother board. xe1203f 1 2 3 3.27 2.54 2.54 2.54 2.54 2.54 2.54 2.54 2.54 5.08 2.54 2.54 2.54 2.54 30.5 10.89 1.83 2.54 1.83 18.50 2.50 2.54 2.54 10.92 pad dimension footprint adviced 1.8 2.0 45 6 6 7 8910 11 12 13 14 15 16 17 18 19 20 21 2.54 2.54 1.0 1.2 top view bottom view
? semtech 2006 www.semtech.com 12 dp1203f 433/868/915 mhz rf modules 8 packaging information 9 references - the xe1203f and the xe8806a datasheets, as well as the tn8000.18 technical note (xe8000 driving xe1200 transceivers standard api definitions) are available from semtech website ( www.semtech.com ).
? semtech 2006 www.semtech.com 13 dp1203f 433/868/915 mhz rf modules . contact information ? semtech 2006 all rights reserved. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. t he information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. no liability will be accepted by the publisher for any consequence of its use. publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights. semtech. assumes no responsibility or liability whatsoever for any failure or unexpected operation resulting from misuse, neglect improper installation, repair or improper handling or unusual physical or electrical stress including, but not limited to, exposure to parameters beyond the specified maximum ratings or operation outside the specified range. semtech products are not designed, intended, authorized or warranted to be suitable for use in life-support applications, devices or systems or other critical applications. inclusion of semtech products in such applications is understood to be undertaken solely at the customer?s own risk. should a customer purchase or use semtech products for any such unauthorized application, the customer shall indemnify and hold semtech and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs damages and attorney fees which could arise. semtech corporation wireless and sensing products division 200 flynn road, camarillo, ca 93012 phone (805) 498-2111 fax : (805) 498-3804

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