View WTV020-S_7814368.PDF datasheet online --- IC-ON-LINE

Datasheet File OCR Text:

guangzhou waytronic technology co.,ltd WTV020-S page 1 the instructions for WTV020-S content 1product features ............................................. ............................................................... .....................2 2application .................................................. ............................................................... .......................2 3pin scheme ................................................... ............................................................... .....................2 4pin discription .............................................. ............................................................... .......................2 5contro l mode ................................................. ............................................................... .....................3 5.1key tri ggermod e............................................ ............................................................... ..............3 5.1.1pulse repeatable trigger ................................. ............................................................... .......3 5.1.2pulse unrepeatable trigger ............................... ............................................................... ......3 5.1.3level maintain not cycle ................................. ............................................................... ......4 5.1.4lever maintain not cycle ................................. ............................................................... ......4 5.1.5play/pause ............................................... ............................................................... ........4 5.1.6next n ot cycle........................................... ............................................................... .........4 5.1.7previous not cycle....................................... ............................................................... ........5 5.1.8next recycle ............................................. ............................................................... .........5 5.1.9previous recycle ......................................... ............................................................... ........5 5.1.10stop .................................................... ............................................................... ..........6 5.2one-line seria l trigge r mode ............................... ............................................................... ............6 5.2.1i / o port a llocation table .............................. ............................................................... ........6 5.2.2order code description ................................... ............................................................... .....6 5.2.3control timing ........................................... ............................................................... ........7 5.3three-line serial control.................................. ............................................................... ...............7 5.3.1i / o port a llocation table .............................. ............................................................... ........7 5.3.2order code description ................................... ............................................................... .....8 5.3.3control timing ........................................... ............................................................... ........8 6typical application circuit.................................. ............................................................... .....................9 6.1key control pwm outp ut application circuit ................. ............................................................... ........9 6.2key control dac outpu t application circuit ................. ............................................................... .........9 6.3one-line serial control pwm output application circuit..... ............................................................... .......9 6.4one-line serial control dac output application circuit ..... ............................................................... ..... 10 6.5three-line serial control pw m output application circuit ... ............................................................... ..... 10 6.6three-line serial control dac output application circuit ... ............................................................... ..... 10 7package dimension ............................................ ............................................................... ................ 11 8version record ............................................... ............................................................... .................... 11 free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 2 1 product features ? support pcm,acpcm,wav audio format . ? easy to edit the voice, can convert mp3 , wmv and others by the pc directly. ? support the external spi flash up to 64m ,the voice length up t o more than 2000 seconds. ? support 3328 sections voice at maximum. ? update the voice data by usb port. ? support four kinds of control mod es:standard mode,key mode, one -line serial mode, three-line serial mode. ? support playing the background music and the advertisement. ? support the insertion function, ca n continue from the breakpoin t of the previous music. ? support playiung the random sections of the voice. ? support the mixing-voice function. ? support spi-flash up to 64m ? operating voltage: dc2.83.6v 2application this product has good stability, excellent sound quality, used in automotive electronics, advanced toys, game consoles, home appliances, security systems, loudspeakers and other occasions. 3pin icon 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 /reset dac pwm+ pwm- di do clk gnd cs p05 p04 p03 p02 busy p07 vcc 4pin description package pin pin label brief description function description 1 /reset /reset reset pin, low to maintain 5ms effective 2 dac dac dac output 3 pwm+ pwm+ pwm+ audio output, can drive the speaker with pwm- au dio output 4 pwm- pwm- pwm- audio output, can drive the speaker with pwm+ au dio output 5 di spi-flash_di connect to the sp i-flash_di, use to download th e data 6 do spi-flash_do connect to the sp i-flash_do, use to download th e data 7 clk spi-flash_clk connect to the spi-flash_clk, use to download the data free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 3 8 gnd gnd ground 9 cs spi-flash_cs connect to the spi-flash_cs, use to download th e data 10 p05 i/o key k4 / one-line serial data / three-line serial dat a 11 p04 i/o key k3 / three-line serial clk 12 p03 i/o key k2 / three-line serial cs 13 p02 i/o key k1 14 p07 i/o temporarily unused 15 busy busy busy signal output 16 vcc vcc power supply positive 5control mode WTV020-S has key control mode, o ne-line serial control mode, th ree-line serial control mode. 5.1key trigger mode defined pins can trigger the chip play,it means each pin can co ntrol one message to play. the trigger mode of each pin can be set separately. under the key control mode, the judder-buffer t ime is 40ms. key trigger includes pulse repeatable trigger, pul se nonrepeatable trigger, level to maintain circulation, level to maintain noncirculation, voice switching play, next, previous, next circulation, previous circulation . see the following timing chart for details 5.1.1pulse repeatable trigger edge voi ce busy add1 add1 add1 note: negative pulse trigger. when the i / o port detects a fa lling edge (for example, the i / o port short-circuit to ground ), trigger play voice. during the voice playback, and then detects the falling edge, the chip will interrupt the currently playin g audio, re-broadcast. as long as there i s a falling edge signal, it re- broadcast. 5.1.2pulse nonrepeatable trigger edge voi ce busy add1 add1 note: negative pulse trigger. when the i / o port detects a fa lling edge (for example, the i / o port short-circuit to ground ), trigger play voice. during the voice playback, and then detects the falling edge, the chip doesn`t work. it would be effective untill the voice play ends and then detects a fallling edge. free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 4 5.1.3level to maintain circulation note: when the i / o port is low level, keep playing, if high l evel then stop. when the first p ass play ended and it remains l ow level, then continue to re-broadcast until change to high level . as long as low level, there are sounds; high level, then no s ound. level voi ce busy add1 add1 add1 add1 5.1.4level to maintain noncirculation level voi ce busy add1 add1 notes: low level trigger. when the i / o port is low level, kee p playing, high level then stop. when the first pass play ended and remain low level, it will not continue to play and only play on ce after the trigger. if you need to play again, you need make i / o port is high level, then pull to low level, it would be ok if y ou can maintain a low level. 5.1.5play/pause edge voi ce busy pause note: negative pulse trigger. negative pulse , start playing. e nd playing after the next negative pulse. whether the sound is under theplay or stopstate, all should be in accordance with this rule. 5.1.6next noncirculation edge voi ce busy add1 add2 addn free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 5 note: negative pulse trigger. trigger voice play with one key. a negative pulse trigger a voice phrase play.the next negative pulse trigger the next voice phrase play and would not trigger the voice play untill the last voice phrase.repeat the operation, it can only play th e last one. 5.1.7previous noncirculation edge voi ce busy addn addn -1 add1 note: negative pulse trigger. trigger voice play with one key. a negative pulse trigger a voice phrase play.the next negative pulse trigger the previous voice phrase play and would not trigger the voice play untill the most previous voice phrase.repeat the operation, it can only play the most previous sound. 5.1.8next circulation edge voi ce busy add1 add2 addn add1 note: negative pulse trigger. trigger voice play with one key. a negative pulse trigger a voice phrase play.the next negative pulse trigger the next voice phrase play .repeat the operation,when finished the last voice phrase,then play the fist one.trigger voice play cir cularly like this. 5.1.9previous circulation edge voi ce busy addn addn -1 add1 addn note: negative pulse trigger. trigger voice play with one key. a negative pulse trigger a voice phrase play.the next negative pulse trigger the previous voice phrase play.repeat the operation,when finished the first voice phrase,then play the last one.trigger voice pla y circularly like this. free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 6 5.1.10stop edge voi ce busy note: negative pulse trigger. trigger voice play with one key. a negative pulse trigger a voice phrase play.the next negative pulse will stop the voice play. 5.2one-line serial trigger mode send the serial data through a data line.the timing protocol is the duty cycle data bit, one-line serial can achieve the functions such as voice play and control comman ds etc. 5.2.1i / o port allocation table pin package p02 p03 p04 p05 WTV020-S --- --- --- data 5.2.2order code description order code define description e0h~e7h volume control during the play or standby state, send s uch order code to adjust 16-level volume, e0h for the minimum volume, efh for the maximum volume f2h loop send this command t o loop the current voice. f3h stop loop send this command to stop loop the current voice. feh stop stop play the voice voice address corresponding relationship data(hex) function 00 00h play the first voice phrase 00 01h play the second voice phrase 00 02h play the third voice phrase 0c fdh paly the 3326 th voice phrase 0c feh paly the 3327 th voice phrase 0c ffh paly the 3328 th voice phrase free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 7 5.2.3control timing send address data one-line serial control timing o nly has one data communication line. represent the different da ta bit in accordance with the different duty cycle of levels .the data bit duty cycle of high level and low level is 1:3,that means data bit 0.if 3:1, tha t means data bit1 .high level is in the front, low level is in the ba ck.for address data, need send tw o bytes, high byte at first th en low byte.if for single byte, send low bit at first then high bit.se nd the first byte, then pull data up to wait 1 ms and then se nd the second byte.for example,if trigger the 300 th voice phrase, send 01h+2ch. please check the following detai led timing diagram: 5m s 10m s /reset data busy vo i ce 1m s 3m s d8 d9 d10 d11 d12 d13 d14 d15 d0 d1 d2 d3 d4 d5 d6 d7 1m s 5m s send control commands for control command , only need send one byte 5m s d0 d1 d2 d3 d4 d5 d6 d7 data data is the serial data communication line.send the reset sig nal at first and then wait 5ms.push it down for 5 ms to wake up the chip and then send the data.for sending data, send low bits at first then high bits.dat a bit duty cycle, the figure as follows: 200us 600us 600us 200us high:low =1:3 means:0 high:low =3:1 means:1 5.3three-line serial control three-line serial has three communication lines, such as chip s elect (/ cs), clock(clk)and data (data). the timing follows the standard spi communication. voice chip c ommand control and voice playback can be achieved through the three-line serial interface. p02 for the v oice test port. 5.3.1i / o port allocation table pin package p02 p03 p04 p05 WTV020-S k1 /cs clk data note: k1 is for the voice test port . low pulse trigger this ke y to play all of the voice address circularly . users can test voice free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 8 through this pin. 5.3.2order code description order code define description e0h~e7h volume control during the play or standby state, send s uch order code to adjust 16-level volume, e0h for the minimum volume, efh for the maximum volume f2h loop send this command to loop the current voice. f3h stop loop send this command to stop loop the current vo ice. feh stop stop play the voice voice address corresponding relationship data(hex) function 00 00h play the first voice phrase 00 01h play the second voice phrase 00 02h play the third voice phrase 0c fdh paly the 3326 th voice phrase 0c feh paly the 3327 th voice phrase 0c ffh paly the 3328 th voice phrase 5.3.3control timing send address data at first send the reset signal, wait for 10ms and then send / c s. after 5ms ,send clock and data. recommend use 300us for the clock cycle. for address data,need send two bytes. send low byte at first then high byte. for the data in a single byte, s end low bit at fist then high bit. a fter send the first byte,pull c s up to wait for 1ms, then send the second byte. for example,to trigger the three-hundredth voice phrase , send 01h +2 ch . the detailed timing chart as below: /reset /cs clk data d0 d1 d2 d3 d4 d5 d6 d7 5m s 10m s 5m s busy vo i ce d8 d9 d10 d11 d12 d13 d14 d15 1m s 5m s send control commands free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 9 for control command,only need send one byte . /cs clk data d0 d1 d2 d3 d4 d5 d6 d7 5m s 6typical a pplication circuit 6.1key control pwm output application circuit 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 /reset dac pw m + pw m - di do clk gn d cs p05 p04 p03 p02 busy p07 vcc WTV020-S speaker k1 k2 k3 k4 led r1 470 vcc 6.2key control dac output application circuit 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 /reset dac pw m + pw m - di do clk gn d cs p05 p04 p03 p02 busy p07 vcc w tv020-s k1 k2 k3 k4 led r1 470 vcc amp 6.3one-line serial interface pwm output application circuit 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 /reset dac pw m + pw m - di do clk gnd cs p05 p04 p03 p02 busy p07 vcc WTV020-S spea ker vcc vdd busy data mcu free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 10 6.4one-line serial interface dac output application circuit 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 /reset dac pw m + pw m - di do clk gn d cs p05 p04 p03 p02 busy p07 vcc w tv020-s vcc vdd b usy data mcu amp 6.5three-line serial interface pwm output application circuit 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 /reset dac pw m + pw m - di do clk gn d cs p05 p04 p03 p02 b usy p07 vcc w tv020-s spea ker vcc vdd b usy data mcu /cs clk 6.6three-line serial interface dac output application circuit 1 2 3 4 5 6 7 89 10 11 12 13 14 15 16 /reset dac pwm+ pwm- di do clk gnd cs p05 p04 p03 p02 busy p07 vcc w tv020-s vcc vdd b usy data mcu /cs clk amp free datasheet http://www.0pdf.com
guangzhou waytronic technology co.,ltd WTV020-S page 11 7package dimension unitmm 8version record verision date discription v1.0 2010-3-11 original version free datasheet http://www.0pdf.com

▲Up To Search▲

Price & Availability of WTV020-S

	To Download WTV020-S Datasheet File
If you can't view the Datasheet, Please click here to try to view without PDF Reader .