http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 1 we nshing?? trw - 909hi rf module wireless high power transceiver rf module (2w) instruction manual revision history version date changes v1.0 0 may 2 3 , 200 9 first edition
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 2 application ? amr - automatic meter reading ? wireles s toys ? wireless network ? multi - channel home automation standard ? wireless rs232 & rs485 &usb ? active rfid ? rfid base station transmitter key feature ? uhf band wireless data transceiver ? rf output powe r u p t o 2w ? sensitivity u p t o - 120 dbm ? full - duplex uart micro - c ontroller interface ? transceiver data rate 1.6 kbps~ 128 kbps characteristic parameter min type max unit condition operating condition operating temperature range - 10 + 70 operating supply voltage 5 5.5 v current consumption rx mode 4 0 ma tx mo de 1 5 00 ma 2w peak sleep mode 23 ma rf characteristic frequency range 902 928 mhz data rate 1. 6 128 kbps g fsk tx output power 0 33 3 4 dbm rx sensitivity - 120 dbm modulation g fsk other esd 2000 v
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 3 block diagram view interface data rate 1.2 115.2 k bps narrow band rf ic bpf bpf saw filter rf encoder & decoder bridge dsp regulator gnd 5 v input vdd da 0 reset internal 3 . 3 v output power amplifier p tx p 0 . 3 p 0 . 2 p 0 . 0 p 1 . 0 p 0 . 7 p 0 . 6 rx
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 4 pin & size 13.33mm 3 6 . 7 m m 1.905mm t r w - 9 0 9 h i ant g g g g g g p1.0 p0.7 rx tx p0.6 p0.2 p0.3 vdd vdd g g 3v3 3v3 g nc 3v3 reset p0.0 da 0 t r w - 9 0 9 h i g 1.6mm 1.3mm p2.0 g g 13.33mm 3 6 . 7 m m 1 . 9 0 5 m m p i n t o p i n 0.5mm 1.905mm t r w - 9 0 9 h i 1.65mm 1.27mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 5.715mm 5.715mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 9.525mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1.905mm 1 2 3 4 5 6 9 10 11 12 14 15 7 30 29 28 27 26 25 22 21 23 20 19 18 17 16 24 t o p v i e w t o p v i e w t o p v i e w
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 5 pin assignment pin function i/o description 1 ant ant antenna interface 2 g g rf ground 3 g g rf ground 4 g g rf ground 5 g g rf ground 6 g g rf ground 7 g g rf ground 8 p1.0 o if send the dat a this pin will puller - high 9 p0.7 o if receive the data this pin will puller - low 10 rx i r xd for rs232 interface 11 p 0.6 o dtr for rs232 interface 12 t x o t xd for rs232 interface 13 p 0 .3 o c ts for rs232 interface 14 p0.2 i rts for rs32 interface 15 g g data ground 16 g g data ground 17 da0 o e xternal pa power control 18 p0.0 i 2 - external trigger (with ws - mrdd) 19 3v3 p input 3.3v 20 reset i low action 21 nc nc nc 22 p2.0 i 1 - external trigger (with ws - mrdd) 23 g g data ground 24 g g data gro und 25 3v3 p internal 3.3v output 26 3v3 p internal 3.3v output 27 g g power n egative 28 g g power n egative 29 vdd p power cathode 30 vdd p power cathode
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 6 application circuit title size document number rev date: sheet of a 1 1 saturday , may 23, 2009 dcd the road map set out in all the patents, copyrights, trade secrets or technology obsessed the company will retain the right to legal recourse. the company, will be allowed to copy, photography and reproduced secretary (know-how) and ownership, without the written consent of u10 TRW-909HI ant 1 g 2 g 3 g 4 g 5 g 6 g 7 p1.0 8 p0.7 9 rx 10 p0.6 11 tx 12 p0.3 13 p0.2 14 dao 17 p0.0 18 3.3v 19 rset 20 nc 21 g 23 g 24 3v3 25 3v3 26 g 27 g 28 vdd 29 vdd 30 p2.0 22 g 15 g 16 l17 10n title size document number rev date: sheet of TRW-909HI application circuit a wenshing a 1 1 saturday , may 23, 2009 l11 common mode choke coils 1 4 2 3 dtr ri c27 104p sg r24 4k7 r25 4k7 rn3 10k 1 2 3 4 5 6 7 8 + c28 220uf j3 sma 1 2 l15 bead d8 led dsr d9 led c35 106p l16 bead l4 3r3( ? 0805) c3 47p l1 3r3( ? 0805) rx l6 3r3( ? 0805) c5 47p l5 3r3( ? 0805) tx c8 47p c10 104p cts rts u1 adm3202 c1+ 1 v+ 2 c1- 3 c2+ 4 c2- 5 v- 6 t2out 7 r2in 8 r2out 9 t2in 10 t1in 11 r1out 12 r1in 13 t1out 14 gnd 15 vcc 16 p1 dp14-9mh(rs-232 ) 5 9 4 8 3 7 2 6 1 c9 104p c7 104p c4 104p c11 105p 5v l2 3r3( ? 0805) c1 47p l3 3r3( ? 0805) c2 47p r27 10k
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 7 command summary command s end value back va lue remark 0x80 (product info) 0x80 trw - 909v100 0x81 (set rf transmission rate ) 0x81+1 byte (0x00~07) correct setting will return send value; incorrect setting will have no back value. 1 b yte setting, default value is 0x07 . 0x83 (set id) 0x83+1 byte (0x00~ff) correct setting will return send value; incorrect setting will have no back value. 1 b yte setting, default value is 0x00 . 0x85 (set rs232 rate) 0x85+1 byte (0x00~07) correct setting will return send value; incorr ect setting will have no back value. 1 b yte setting, default value is 0x07=115200bps . 0x86 (set link mode) 0x86+1 byte (0x00 or 0x01) correct setting will return send value; incorrect setting will have no back value. 1 b yte setting , defa ult value is 0x01=rs 232 modem . 0x87 (set group id) 0x87+2 bytes (0x0000~ffff) correct setting will return send value; incorrect setting will have no back value. 2 b yte s setting , default value is 0x0000 . 0x8d (detect interface rate) 0x8d+72 bytes (only 0x8d) correct setting will return send value; incorrect setting will have no back value. repeat 0x8d and total are 72 b ytes , r epeat sending and switch interface rate until it return send value . 0x8f (cancel transfer station ) 0x8f+72 bytes (only 0x8f) co rrect setting will return send value; incorrect setting will have no back value. repeat 0x8f and total are 72 b ytes ,i f you received return send value after sent value, it is meaning you already cancel transfer station . 0xc0 ( preset transfer station ) 0xc0 +1 11 bytes (0x00 ff) correct setting will return send value; incorrect setting will have no back value. min: 1 b yte, max: 10 b ytes.
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 8 command description product info: i t will automatically reply product corresponding info after sent this comm a nd. address read/write byte default 0x80 r - trw909v100 set rf transmission rate: we suggest you to collocate with interface rate as setting when you set wireless transmission rate . normal setting, rf transmission rate must be bigger th a n interf ace rate to avoid error data. address read/write byte default(hex) range(hex) 0x81 w 1 07 00 07 rate (bps) 1600 3200 6400 12800 25600 51200 76800 128000 code 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 s e t id: uid is for identification between equipment & equipment, user can specify the path of transmission, default value is 00. address read/wri te byte default(hex) range(hex) 0x83 w 1 00 00 ff example u ser just need s to send data from equipment which uid=01 to equipment which uid=04, it will receive data when uid=04 . set rs232 rate: 1200bpbs~115200bps; user can amend rs232 interface rate according to different application, default value is 115200bps. address read/write byte default(hex) range(hex) 0x85 w 1 07 00 07 rate (bps) 1200 2400 4800 9600 19200 38400 57600 115200 code 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 g i d d 3 9 1 u i d 0 2 g i d d 3 9 1 u i d 0 1 g i d d 3 9 1 u i d 0 4 g i d d 3 9 1 u i d 0 3
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 9 set link mode : rs232 hi power can collocate with rd - 800hi and 3c message receive device. user can amend the link mode through comm a nd according to the product which you allocate with. address read/write byte default(hex) range(hex) 0x86 w 1 01 00 02 value 3c m essag e r eceive d evice rs232 hi power rd - 800hi rs232 hi power 00 01 02 s e t group id: gid is for working group identi fication. when gid is different, both equipment s can t send or receive data each other. address read/write byte default(hex) range(hex) 0x87 w 2 0000 0000 ffff example: w hen gid=1234 and transmitted side which uid=0a send data to receive side which uid=2a, gid=0000. but equipment which uid=2a cant receive any data, only gid=1234 can receive data from receive side which uid=2a. detect inter face rate: p lease switch interface rate and input 72 b ytes of 0x8d when you cant make sure the interface rate. equipment side will return same 0x8d, total are 72 bytes when interface rate is correct. address read/write byte default(hex) range(hex) 0x8d r 72 - 8d8d8d 8d cancel transfer station: input 72 bytes of 0x8f for one time when you need to cancel transfer station. when receiver side returns same 0x8f, total are 72 bytes, it is meaning you cancel preset transfer station. g i d 1 2 3 4 u i d 2 a g i d 1 2 3 4 u i d 0 a g i d 0 0 0 0 u i d 2 a t r a n s f e r d a t a = a b c d e f o n l y g i d = 1 2 3 4 r e c e i v e r e c e i v e d a t a = a b c d e f n o n r e c e i v e d a t a
http : //www.wenshing.com.tw ; http://www.rf.net.tw trw - 909 hi data s heet p. 10 address read/write byte default(hex) range(hex) 0x8f w 72 - 8f8f8f 8f preset transfer station: this function need s to preset constant path of data transmission mode. after finish preset, every data doesn t need to add any comm a nd and path. equipment will automatically transfe r and send data according to preset path. maximum transfer stations you can set are 10. setting way is to add uid number on finial receiver side behind the comm a nd. if you need to go through transfer station, you need to insert uid number of path in the mi ddle. address read/write byte default(hex) range(hex) 0xc0 w 1 11 - 00 ff example: there are various path setting way s when user need to sent data from equipment which uid=0 1 to equipment which uid=04. ? method 1: command is 0xc00304 when uid = 01uid = 03uid = 04 . o r , comm a nd is 0xc00204 when uid = 01uid = 02uid = 04 . ? method 2: command is 0xc0020304 when uid = 01uid = 02uid = 03uid = 04 . o r , command is 0xc0030204 when uid = 01uid = 03uid = 02uid = 04 . g i d d 3 9 1 u i d 0 2 g i d d 3 9 1 u i d 0 1 g i d d 3 9 1 u i d 0 4 g i d d 3 9 1 u i d 0 3
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