cmt21 80 /89 aw rev 0. 9 | page 1 / 4 www. hoperf .com a cmt21 80 /89 aw 240 ? 96 0 mhz s o c ook /(g)fsk transmitter copyright ? by cmostek features ? high - performance risc microcontroller core ? all s ingle - c ycle i nstructions e xcept b ranches ? up to 8 mhz c lock ? multiple interruption supported ? 32 b yte s eeprom / 64 b yte s sram / 1024 w ord s flash ? high - p erformance ook transmitter ? all features programmable on the rfpdk ? cmt2180a w : 240 to 480 mhz , ook modulation ? cmt2189a w : 240 to 960 mhz , ook/(g)fsk modulation ? symbol rate: up to 30 k s ps for ook, 100 ksps for (g)fsk ? configurable single - ended or differential pa output ? output power: - 10 to +13 dbm ? supply voltage: 2. 3 to 3.6 v ? 1 - pin crystal ? fcc / etsi compliant ? rohs compliant ? 14- pin so p package applications ? remote keyless entry (rke) ? garage and gate door openers ? home / building automation and security ? industrial monitoring and controls ? remote lighting control ? wireless alarm and security systems ? consumer electronics applications description the cmt2180 /89 aw is a fully integrated, highly flexible, high performance, soc ook /g(fsk) transmitter with an embedded risc microcontroller core for various 240 to 96 0 mhz wireless applications. it is part of the cmostek nextgenrf tm family, which includes a complete line of transmitters, receivers and transceivers. the device includes a 1024 words flash for programming the user's application, supports up to 4 push buttons to implement the user defined functions. all the device features ( such as frequency, output power , wdt , security and etc.) and program s can be burned into the device using the cmostek usb programmer and rfpdk. alternatively, in stock products of 433.92 /868.35 mhz are available for immediate demands with no need of extra programming. the cmt2180 /89 a w uses a 1 - pin crystal oscillator circuit with the required crystal load capacitance integrated on- chip to minimize the bom counts. the device can deliver up to +13 dbm output power and the pa output can be either single - ended or differential. the device op erates from 2. 3 v to 3.6 v. its low power design enables superior operation life for battery powered application. the cmt2180 /89 a w transmitter together with cmostek nextgenrf tm receiver enables a highly flexible, low cost rf link. ordering information part number frequency package moq cmt21 80 aw - esr 433.92 mhz so p14 2, 5 00 pcs cmt21 8 9aw - esr 868.35 mhz so p14 2, 5 00 pcs s op14 1 2 3 4 5 6 7 8 9 10 11 12 13 14 vdd gnd pap pan clk k3/vtg k2 xtal gnd data vdd gnd k0/data2 k1/clk2 cmt21 80 /89 aw
cmt21 80 /89 aw rev 0. 9 | page 2 / 4 www. hoperf .com typical application u1 xtal vdd gnd gnd 1 x1 data pap cmt2180 /89aw vdd pan clk gnd k0/data2 k3/vtg k1/clk2 k2 2 3 4 5 6 7 14 13 12 11 10 9 8 clk vdd loop antenna vtg clk2 data2 data data clk2 j1 vdd 1 2 3 4 5 6 7 data2 clk vtg sw0 sw1 sw2 sw3 c0 l1 c2 vdd c1 vdd vtg r1 d1 notes: 1. connector j1 is used only for chip programming. 2. d1 is used to isolate the 15v high voltage at vtg during chip programming. if user does not need to program the chip, d1 can be removed, but pulling vtg up to vdd by r1 is always required. figure 1 . cmt21 80 /89 aw typical application with differential pa output table 1 . bom of 433.92 mhz application with differential pa output designator descriptions value unit manufacturer u1 cmt2180 /89 aw , 240 ? 96 0 mhz soc ook /(g)fsk t ransmitter - - cmostek x1 20 ppm, smd32*25 mm crystal 26 mhz epson sw[ 3 : 0 ] push buttons - - d1 mbr0520lt1, sod123 - - ir r1 5%, 0402 10k c0 20%, 0402 x7r, 25 v 0.1 uf murata grm15 c1 0.25 pf , 0402 np0, 50 v 2.2 pf murata grm15 c2 0.25 pf , 0402 np0, 50 v 2.2 pf murata grm15 l1 5%, 0603 multi - layer chip inductor 180 nh murata lqg18 u1 xtal vdd gnd gnd 1 x1 data pap cmt2180/89aw vdd pan clk gnd k0/data2 k3/vtg k1/clk2 k2 2 3 4 5 6 7 14 13 10 9 8 clk vdd vtg clk2 data2 data clk2 j1 vdd 1 2 3 4 5 6 7 data2 clk vtg sw0 sw1 sw2 sw3 c0 l1 vdd vtg r1 d1 notes: 1. connector j1 is used only for chip programming. 2. d1 is used to isolate the 15v high voltage at vtg during chip programming. if user does not need to program the chip, d1 can be removed, but pulling vtg up to vdd by r1 is always required. l2 c2 c1 ant l3 c3 12 11 data vdd figure 2 . cmt21 80 /89 aw typical application with single - ended pa output
cmt21 80 /89 aw rev 0. 9 | page 3 / 4 www. hoperf .com table 2 . bom of 433.92 mhz application with single - ended pa output designator descriptions value unit manufacturer u1 cmt2180 /89 aw , 240 ? 96 0 mhz soc ook /(g)fsk t ransmitter - - cmostek x1 20 ppm , smd32*25 mm crystal 26 mhz epson sw[ 3 : 0 ] push buttons - - d1 mbr0520lt1, sod123 - - ir r1 5%, 0402 10k c 0 20% , 0402 x7r , 25 v 0.1 uf murata grm15 c1 5% , 0402 np0, 50 v 68 pf murata grm15 c 2 5% , 0402 np0, 50 v 15 pf murata grm15 c3 5% , 0402 np0, 50 v 15 pf murata grm15 l1 5% , 0603 multi - layer chip inductor 180 nh murata lqg 18 l 2 5% , 0603 multi - layer chip inductor 36 nh murata lqg 18 l3 5% , 0603 multi - layer chip inductor 18 nh murata lqg 18 table 3 . cmt2 180 /89 aw pin descriptions pin number name i/o descriptions 1 vdd i power supply input 2 gnd i ground 3 pap o the differential power amplifier output , when using as singled - ended output, pan/pap should be connected together before connect to the matching network 4 pan o 5 clk i clock1 for the chip programming , internally pulled up to vdd 6 k3/vtg i push button key 3 or v oltage for the chip programming 7 k2 i push button key 2 8 k1/clk2 i push button key 1 or c lock2 for the chip programming 9 k0/data2 io push button key 0 or d ata2 for the chip programming 10 gnd i ground 11 vdd i power supply input 12 data i o d ata1 for the chip programming p ulled up internally to vdd when configured as transmission enabled by data pin rising edge and used as input pin 13 gnd i ground 14 xtal i 26 mhz single - ended crystal oscillator input or e xternal 26 mhz reference clock input
cmt21 80 /89 aw rev 0. 9 | page 4 / 4 www. hoperf .com package outline c h 0.25 l l1 a1 a3 a2 a d b e e1 e figure 3 . 14- pin s op package table 4 . 14- pin so p package dimensions symbol size (millimeters) min typ max a - - 1.75 a1 0.05 - 0.225 a2 1.30 1.40 1.50 a3 0.60 0.65 0.70 b 0.39 - 0.48 c 0.21 - 0.26 d 8.45 8.65 8.85 e 5.80 6.00 6.20 e1 3.70 3.90 4.10 e 1.27 bsc h 0.25 - 0.50 l 0.30 - 0.60 l1 1.05 bsc 0 - 8 the information furnished by cmostek is believed to be accurate and reliable. however, no responsibility is assumed for inaccuracies and specifications within this document are subject to change without notice. the material contained herein is the exclusive property of cmostek and shall not be distributed, reproduced, or disclosed in whole or i n part without prior written permission of cmostek. cmostek products are not authorized for use as critical components in life support devices or systems without express written approval of cmostek. the cmostek logo is a registered trademark of cmostek mic roelectronics co., ltd. all other names are the property of their respective owners. copyright. cmostek microelectronics co., ltd. all rights are reserved.
|
