WTV020-SD MODULE - Let`s Make Robots!
Contents
1. 11 7 4 4 LEVEL TRIGGER TO PAUSE PLAY TIMING 11 7 5 IWO EINE SERIAL MODE ra xx 11 7 5 1 FUNCTION IN TWO LINE SERIAL MODE essere 11 1 9 2 VOICE ADDRESSES iiti Ete a 11 7 5 3 TIMING WAVEFORM IN TWO LINE SERIAL 12 7 54 DESCRIPTIONS T M 12 7 5 5 PROGRAM EXAMPLE 13 B TYPICALAPPLHIGATION GIRG DIL 18 8 1 WTV020 SD 20S INNER CIRCUIT 45 18 8 2 WTVO20 SD 16P INNER siii ia uenia uk oa ERR EXE AREE FX 19 8 3 MP3 MODE APPLICATION CIRCUIT PWM 19 8 4 MP3 MODE APPLICATION CIRCUIT DAC 22 20 8 5 KEY MODE 3 group of voice APPLICATION CIRCUIT PWM 20 www emartee com 8 6 KEY MODE 5 group of voice APPLICATION CIRCUIT PWM OUTPUT esee 21 8 7 LOOP PLAY AFTER POWER ON EDGE TIRGGER PAUSE PLAY APPLICATION CIRCUIT PWM OUTPUT 21 8 8 LOOP PLAY AFTER POWER ON LEVEL TRIGGER PAUSE PLAY APPLICATION CIRCUIT PWM OUTPUT 22 8 9 TWO LINE SERIAL MODE APPLICATION PWM 22 SD GARD SS a aaa 23 102. 23 TOA 0 205 0 20 23 2 aberit oci c EP 24 5 00 2009 020 5 10 3 26 11 SUPPLY 12 VERSIONS Soin MO 26 1 PRODUCT FEATURES OQ Support 1GB SD card max or SPI flash 64MB max Support 4 Bit ADCPM format files 6 Sampling rate from 6kHZ to 36KHZ for AD4 voice format Sampling rate from 6KHz 16KHz for WAV voice format O16 Bit DAC PWM audio output OKey mode MP3 mode and two line serial mode are optional Can choose one of them O Copy voice files to SD card by PC 6 Working voltage DC2 7 3 5V Quiescent current 3uA 2 SUMMARIZE This module with MP3 mode key mode control 3 group of voice with volume adjustment or 5group of voice two line serial mode and Loop play mode after power on the module will play loop with memory function in the mode They are optional Customers can choose one of the modes in a module Also can be customized MP3 mode With play stop next previous vol vol functions Key mode 3 group of voice One key trigger one group of voice and with vol and vo all keys default trigger modes are edge retrigger Key mode 5 group of voice One key trigger one group of voice trigger mode can be follows 1 All keys are edge retrigger 2 All keys are ON OFF voice will not cycle after finished 3 All keys are ON OFF voice will cyc
3. 512 files max In MP3 mode and Loop play mode voice will play in order 10 PACKAGE SIZE 10 1 WTV020SD 20S PACKAGE SOP20 Unit mm 10 30 0 30 2 30 0 10 0 406 20 012 0 091 20 004 12 7 440 20 0 502 10 008 7 50 20 20 12 0 295 0 008 0 033 30 008 23 www emartee com 10 2 WTV020 SD 16P Package DIP16 Unit mm 1740 1 16 H8 H9 24 Kk 2060 932 425 3 www emartee com 10 3 WTV020 SD 20S MODULE Unit mm K 365 K 5069 3 2359 aq K 1813 J 25 www emartee com 11 SUPPLY INFORMATION In order to save customers production cost and good looking we are not only sell modules also we can sell the chips on the module customers can make it on their circuit board ITEM PICTURE WTV020 SD 16P WTVA2A RD WTV020 SD 20S WTV020SD 20S above two modules use this 12 VERSIONS VERSION DATE DESCRIPTION V1 3 2008 11 19 ORIGINAL 26
4. NC P05 www emartee com 5 2 WTV020 SD 16P RESET VDD 73 AUDIO L P06 NC 7 SPK PO2 6 SPK LO 7 NC NC 5 GND PO Reset AUDIO L DAC audio to amplifier NC NC NC PWM audio output to speaker SP PWM PWM audio output to speaker NC NC NC P04 K3 A2 CLK Key CLK in two line serial GND GND Address pin 7 K5 A4 SBT Key P05 K4 A3 DI Key DI in two line serial NC NC NC K2 A1 Key 2 K1 A0 Key NC NC NC BUSY BUSY pin VDD VDD Power input 6 MODULE SELECTION WTV020 SD 20S and WTV020 SD 16P the same but chip package MP3 256 KEY YES DAC PWM KEY 3 group of voice 3 KEY YES DAC PWM EDGE IRRETRIGGER 5 KEY YES DAC PWM EDGE RETRIGGER KEY 5 group of voice 5 KEY YES DAC PWM ON OFF unloop www emartee com 5 KEY YES DAC PWM ON OFF loop LOOP PLAY after power on 256 KEY YES DAC PWM ON OFF edge 256 KEY YES DAC PWM ON OFF level TWO LINE SERIAL 256 BY MCU YES DAC PWM 7 CONTROL MODES 7 1 MP3 MODE In the MP3 mode WTV020 SD module default with 6 I Os K2 K5 NEXT PREVIOUS VOL VoL d ee ON OFF BUSY is for signal output test when the playin
5. pos 2 pu 2 Po5 3 pos 4 6 pest 17 RESET PO 5 57 0800911 16 11 SD DATA2 3 3V 15 PIO SD DATA3 VCC OSCIP10 VSS SP 7 SKP VDD 14 SP 8 13 R7 150 P10 SP 8 VPP 9 7 50 9 8 SDDATA1 NC GND 12 Mcro SD Card PAD EQO PAD EQI WTVO20SD 205 8 3 MP3 MODE APPLICATION CIRCUIT PWM OUTPUT 3 3V R1 470 o 0 51 RESTE 16 2 15 LED 3 14 SPEAKER 2 13 NEXT e 12 K2 PREVIOUS 6 11 K3 VOL 7 10 K4 HE VOL 8 9 K5 Willie PLAY PAUSE WT020 SD WTV020 SD 16P and WTV020 SD 20S In PWM output SPK SPK connect to speaker In MP3 mode edge trigger Control I Os by key short touch to GND I O P02 is PREVIOUS P03 is NEXT P04 is VOL P05 is VOL P07 is PLAY STOP The power input is DC3 3v if DC5V input two serial diodes IN4001 or 4007 connect to the positive input to low the voltage 19 www emartee com 8 4 MP3 MODE APPLICATION CIRCUIT DAC OUTPUT s RESET ce WTV020 SD WTV020 SD 16P DAC output Audio L and module GND to amplifier WTV020 SD 20S DAC output SPK and module GND to amplifier In mode edge trigger Control I Os by key short touch to GND I O P02 is PREVIOUS P03 is NEXT P04 is VOL P05 is VOL P07 is PLAY STOP The power input is DC3 3v if DC5V inpu
6. VOICE IN THE ADDRESS FFFFH STOP STOP TO PLAY THE VOICE The default volume is maximum FFFOH is mute Volume can be adjusted in play or stop status 12 www emartee com 7 5 5 PROGRAM EXAMPLE ORG 0000H KEY EQU P1 1 KEY PIN KEY2 EQU P1 2 KEYS EQU 1 3 CLK 4 EQU P1 6 CLK KEY5 EQU P1 7 TRANSMIT VOLUME THEN ADDRESS LED EQU P3 0 SHOW KEY PRESSED SCL EQU P3 2 iCLK PIN SDA EQU P3 3 iDATA PIN RST EQU P3 4 iRESET PIN DAIFAZHI EQU 50H 55 CODE VALUE TEMP VOICENUM EQU 51H VOLUME CLKNUM EQU 52H CLK MOV DAIFAZHI 0H INITIAL SEND VALUE 0 MOV VOICENUM ZOFOH VOLUME INITIAL VALUE FOH MOV CLKNUM 2 DEFAULT SEND CODE 5 MOV 85 8 LOOP EIGHT TIMES SETB SCL SETB SDA SETB RST MAIN JB KEY KEY22 CLR LED MOV R6 5 DELAY 10MS LCALL DELAY2MS JB KEY KEY22 KEY PRESS DEBOUNCE JNB WAIT KEY PRESSED RELEASE SETB LED LCALL RESET LCALL TWO LINE iTWO LINE SEND CODE SUBPROGRAM INC DAIFAZHI iCODE VALUE ADD 1 MOV A DAIFAZHI CJNE A 37 XX2 iWHETHER VOLUME REACH MAX VALUE 128 XX2 JC KEY22 MOV DAIFAZHI 0H KEY22 JB KEY2 KEY33 CLR LED MOV R6 5 DELAY 10MS LCALL DELAY2MS 13 www emartee com JB KEY2 KEY33 JNB KEY2 SETB LED LCALL RESET LCALL VOICE INC VOICENUM MOV VOICENUM CJNE A 0F8H XX4 XX4 JC KEY33 MOV VOICENUM 0F0H KEY33 JB KEY3 KEY44 CLR LED MOV 86 5 LCALL DELAY2MS JB KEYS KEY44 JNB KEY3 NOP INC CLKNUM SETB LED K
7. DA C MOV R6 CLKNUM LCALL DELAY50US SETB SCL MOV R6 CLKNUM LCALL DELAY50US DJNZ R5 LOOP4 MOV R5 08H RET RESET CLR RST MOV R6 3 LCALL DELAY1MS SETB RST MOV R6 130 LCALL DELAY2MS RET DELAY2MS DELAY 2 5 SUBPROGRAM CHANGE R6 VALUE CAN CHANGE DELAY TIME L1 MOV 7 248 L2 NOP NOP NOP NOP NOP NOP DJNZ R7 L2 DJNZ R6 L1 RET 16 www emartee com DELAY50US DELAY 25UM SUBPROGRAM CHANGE R4 VALUE CAN CHANGE DELAY TIME L11 MOV R7 6 L22 NOP NOP DJNZ R7 L22 DJNZ R6 L11 RET DELAY1MS DELAY 1MS SUBPROGRAM CHANGE R6 VALUE CAN CHANGE DELAY TIME L31 MOV R7 240 L32 NOP NOP DJNZ R7 L32 DJNZ R6 L31 RET END Email waytronic1 999 gamil com 1 Tel 0086 20 85638557 www emartee com 8 TYPICAL APPLICATION CIRCUIT 8 1 WTV020 SD 20S INNER CIRCUIT 3 3V Ul POS 1 0 4 P06 REST Hn Por 5 OSCOPII 1 SDDAT 2 SDDAT OSCIP10 3 33V 7 14 av 4 vss SPK_P VDD E 5 VDD Ca Ge C2 13 iod SPK VPP 7 Vss 12 8 SDDATC 12 NC lo sppati 10 PAD EQO PAD Jem WIVO20SD208 R6 SD Card 15K 5 5 3 PO 2 s FUG 5 5 RET 6 6 P04 P02 POS g 7 8 8 Email waytronic1999 gamil com 18 Tel 0086 20 85638557 www emartee com 8 2 WTV020 SD 16P INNER CIRCUIT 3 3V 1 Enn
8. EY44 XX5 JB KEY4 KEY55 CLR LED MOV 86 5 LCALL DELAY2MS JB KEY4 KEY55 JNB KEY4 NOP DEC CLKNUM MOV A CLKNUM CJNE A 0H XX5 MOV CLKNUM 1 SETB LED KEY55 JB KEY5 MAIN CLR LED MOV 86 5 LCALL DELAY2MS JB KEY5 XX6 JNB KEY5 KEY PRESS DEBOUNCE WAIT KEY PRESSED RELEASE iTWO LINE SEND CODE SUBPROGRAM iCODE VALUE ADD 1 WHETHER VOLUME REACH MAX VALUE DELAY 10MS KEY PRESS DEBOUNCE WAIT KEY PRESSED RELEASE DELAY 10MS KEY PRESS DEBOUNCE WAIT KEY PRESSED RELEASE SEND CODE KEEP 10006 AT LEAST DELAY 10MS WAIT KEY PRESSED RELEASE WAIT KEY PRESSED RELEASE 14 www emartee com LCALL RESET MOV VOICENUM 0F6H LCALL VOICE LCALL TWO LINE XX6 LJMP MAIN TWO_LINE VOICE ADDRESS SEND CODE SUBPROGRAM CLR SCL MOV R6 2 LCALL DELAY1MS MOV A 0 LOOP1 CLR SCL RLC A MOV SDA C MOV R6 CLKNUM LCALL DELAYSOUS SETB SCL MOV R6 CLKNUM LCALL DELAY50US DJNZ R5 LOOP1 MOV R5 08H MOV A DAIFAZHI LOOP2 CLR SCL RLC A MOV SDA C MOV R6 CLKNUM LCALL DELAYSOUS SETB SCL MOV R6 CLKNUM LCALL DELAY50US VOICE DJNZ R5 LOOP2 MOV R5 08H RET 7 VOLUME VALUE SEND CODE SUBPROGRAM CLR SCL MOV R6 2 LCALL DELAY1MS MOV LOOP3 15 www emartee com CLR SCL RLC A SDA C MOV R6 CLKNUM LCALL DELAY50US SETB SCL MOV R6 CLKNUM LCALL DELAY50US DJNZ R5 LOOP3 MOV R5 08H MOV A VOICENUM LOOP4 CLR SCL RLC A S
9. GROUP 5 7 3 4 ALL KEYS ARE ON OFF unloop TIMING WAVEFORM EDGE VOICE current group current qroup BUSY Remark Edge trigger When test falling 6006 such as this I O short touch GND the voice will be triggered After play finished will stop During the playing the next falling edge will stop the voice other falling edge will make it play again 7 3 5 ALL EKYS ARE ON OFF loop Trigger l O short connect to GND can play voice next trigger make it stop After voice play finished it will loop K1 K2 K3 K4 K5 ON OFF ON OFF ON OFF ON OFF ON OFF GROUP 1 GROUP 2 GROUP 3 GROUP 4 GROUP 5 7 3 6 ON OFF loop TIMING WAVEFORM www emartee com EDGE VOICE current group current group current group current group BUSY 1 Remark Edge trigger When I O test falling edge such as this I O short touch GND voice will be triggered After play finished will cycle play During the playing the next falling edge will stop the voice other falling edge will make it play again 7 4 LOOP PLAY AFTER POWER ON After turn on the power it will play the voice directly trigger the relative can pause next trigger will keep playing In this mode when the module playing voice 2 and the power was cut off after turn on power it will play from voice 2 or voice 3 can be customized Alternative trigger mode a Edge tirgger to p
10. ause play b Level trigger to pause play 7 4 1 EDGE TRIGGER TO PAUSE PLAY Power on play voice automatically negative edge tirgger 4 to pause next trigger to play from the pause point K1 Eu mese PAUSE PLAY m mm sede 2 5 ALL VOICE 0 7 4 2 EDGE TIRGGER TO PAUSE PLAY TIMING WAVEFORM EDGE yi int pause point ause poin 1 2 eem 2 3 n 4 1 BUSY lt Negative edge trigger Power on it will play automatically negative edge trigger 4 to pause next tirgger to play from the pause point After voices play finished it will loop 10 www emartee com 7 4 3 LEVEL TRIGGER TO PAUSE PLAY Power it will play automatically Low level to trigger 5 to pause next trigger to play from the pause point iue 2 K1 LLLI S PAUSE PLAY ALL VOICE 7 4 4 LEVEL TRIGGER TO PAUSE PLAY TIMING WAVEFORM LEVEL d a 7 VOICE ause point 1 pause point 2 3 p i 1 BUSY M Negative level trigger Power it will play automatically negative level trigger P05 to pause next tirgger to play from the pause point After voices play finished it will loop 7 5 TWO LINE SERIAL MODE In the two line serial mode there are two communication port they are CLK and DI In addition there is a reset port 1 second after reset i
11. f no action to the module the chip will be into standby status within one second if no action after reset 7 5 1 FUNCTION IN TWO LINE SERIAL MODE K2 K3 NEXT PREVIOUS PALY STOP 7 5 2 VOICE ADDRESSES 11 www emartee com 512 group of voice can be loaded in SD card The voice file name are decimal such as 0000 ad4 0001 ad4 When the MCU send data to trigger the data should be binary data corresponding to voice file name MCU send signal to CLK and ID at the same time DI data send high first then low When there is no data CLK and DI are high level ADDR 1 PLAY 1 GROUP VOICE 0000 0000000000000000 ADDR 2 oe 0001 0000000000000001 ADDR 3 95 0002 0000000000000010 ADDR 4 4 0003 0000000000000011 ADDR 509 509 0508 0000000111111100 ADDR 510 510 0509 0000000111111101 ADDR 511 511 0510 0000000111111110 ADDR 512 512 0511 0000000111111111 7 5 3 TIMING WAVEFORM IN TWO LINE SERIAL MODE REET PMS LT 300mS TO a 20005 BUSY m VOICE 7 5 4 CODE DESCRIPTIONS Function DESCRIPTION FFFOH FFF7H VOICE VOLUME THE VOLUME CAN BE ADJUSTED DURING PLAY OR STAND BY ADJUSTMENT STATUS FFFOH IS MIN FFF7H IS MAX TOTAL 8 LEVEL FFFEH PALY PAUSE PLAY PAUSE THE
12. g voice BUSY output is high level can connect to LED for indicating 7 1 1 ON OFF PALY STOP EDGE VOICE current group current group BUSY Remark Edge trigger A negative edge trigger to play next negative edge to stop 7 1 2 NEXT www emartee com EDGE VOICE address 2 ____ address 3 address address 1 Remark Edge trigger One key trigger one group of voice A negative edge trigger a group of voice next negative edge trigger next group of voice after finish last group loop to first group 7 1 3 PREVIOUS EDGE VOICE a o NO address N 1 address N 2 address 1 address N BUSY Remark Edge trigger One key trigger to play A negative edge trigger a group of voice next negative edge trigger previous group of voice after finish first group loop to last group 7 2 KEY 3 group of voice Pull low P02 P03 P07 short connect P02 P03 P07 with GND can trigger the 3 group of voices separated P04 and P05 are for volume adjustment K1 K2 K5 EDGE EDGE VOL VOL EDGE IRRTRIGGER IRRTRIGGER IRRTRIGGER GROUP 1 GROUP2 GROUP 3 Key K1 K3 are edge retrigger BUSY is for signal output test when the playing voice BUSY output is high level can connect to LED for indicating 7 2 1 EDGE RETRIGGER www emartee com EDGE ESAS S VOICE current g
13. invalid P04 trigger pause play The power input is DC3 3v if DC5v input two serial diodes IN4001 or 4007 connect to the positive input to low the voltage 21 www emartee com 8 8 LOOP PLAY AFTER POWER ON LEVEL TRIGGER PAUSE PLAY APPLICATION CIRCUIT PWM OUTPUT PAUSE PLAY WTV020 5D WTV020 SD 16P and WTV020 SD 20S PWM output SPK to speaker In loop play mode edge trigger GND short touch I O to trigger voice 02 P04 PO7 are invalid P05 trigger pause play The power input is DC3 3v if DC5V input two serial diodes IN4001 or 4007 connect to the positive input to low the voltage 8 9 TWO LINE SERIAL MODE APPLICATION PWM OUTPUT Rl 470 Cc a vcc 14 13 xi mm NEXT XTALI 12 9 Yl j 11 XTAI2 P T PREV 5 9 ES i 89C2051 55 B 30 31 WTWV020 85D PAUSE PLAY GND WTVO020 SD 16P and WTV020 SD 20S PWM output SPK to speaker In the two line serial mode edge tirgger MCU control P02 is next is previous P07 is pause play The power input is DC3 3v if DC5V input two serial diodes IN4001 or 4007 connect to the positive input to low the voltage 22 www emartee com 9 VOICE FILES IN SD CARD Load voice files to SD card and rename the files in this way for WAV format voice 0000 wav 0001 wav 0002 wav for ad4 format voice 0000 ad4 0001 ad4 0002 ad4
14. le after finished Loop play mode After power it will play the voices automatically it doesn t need to tirgger the I O and with memory function when you playing voice 2 power was cut off next time power on it will start from voice 2 or voice 3 Can be 2 015 www emartee com customized Two line serial mode WTV020 SD controlled by MCU sending data through CLK and 01 Can play voices in any address also voices include mute can combined to play in this mode Change voice by SD card reader and PC SD card should be FAT format Sampling rate supported from 6KHz 32KHz and 36KHz for ad4 voice format 6KHz 16KHz for WAV voice format 3 APPLICATION DIAGRAM SD CARD AUDIO OUTPUT 4 APPLICATIONS This module can use in automobile car bug parking radar GPS navigation system Intelligent home system house bug Voice medical devices household appliances induction cooker rice cooker micro wave oven game machines learning tools talking book Intelligent traffic facilities toll gate parking lot communications equipment telephone industrial control elevator toys and so on www emartee com 5 PINS 5 1 WTV020 SD 20S DC 3 3V SD CARD SLOT GND SPK Audio output DC 3 3V 3 3V P07 Audio output Audio output NC NC P06 BUSY NC NC RST Reset P04
15. roup current group BUSY Remark Edge trigger When test falling edge such as this I O short touch GND voice will be triggered During the playing the next falling edge will not interrupt the voice after voice play finished falling edge will make it replay 7 3 KEY 5 group of voice One button trigger one voice total 5 group of voice during playing BUSY output is high level can connect LED to indicate it Three optional trigger mode keys are edge retrigger keys are ON OFF unloop C All keys ON OFF loop 7 3 1 All KEYS ARE EDGE RETRIGGER K1 K2 K3 4 5 EDGE EDGE EDGE EDGE EDGE RETRIGGER RETRIGGE RETRIGGER RETRIGGER RETRIGGER R GROUP 1 GROUP 2 GROUP 3 GROUP4 GROUP 5 7 3 2 EDGE RETRIGGER TIMING WAVEFORM EDGE 4 VOICE current group current group current group BUSY Remark Edge trigger When test falling edge such as this I O short touch GND voice will be triggered During the playing the next falling edge will interrupt the voice and replay from beginning 2 www emartee com 7 3 3 ALL KEYS ARE ON OFF unloop Trigger l O short connect to GND can play voice next trigger make it stop After voice play finished it will stop K1 K2 K3 4 5 ON OFF ON OFF ON OFF ON OFF ON OFF GROUP 1 GROUP 2 GROUP 3 GROUP 4
16. t two serial diodes IN4001 or 4007 connect to the positive input to low the voltage 8 5 KEY MODE 3 group of voice APPLICATION CIRCUIT PWM OUTPUT gre RESET I WTV020 3D WTV020 SD 16P WTV020 SD 20S PWM output SPK SPK to speaker In the key mode edge trigger GND short touch I O to trigger voice P02 P03 P04 P05 P07 trigger voice 1 voice 2 vol vol and voice 3 separately The power input is DC3 3v if DC5V input two serial diodes IN4001 or 4007 connect to the positive input to low the voltage 20 www emartee com 8 6 KEY MODE 5 group of voice APPLICATION CIRCUIT PWM OUTPUT 3 R1 470 WTV020 SD WTV020 SD 16P WTV020 SD 20S PWM output SPK SPK to speaker In the key mode edge trigger GND short touch I O to trigger voice P02 P03 P04 P05 P07 trigger voice 1 voice 2 voice 3 voice 4 and voice 5 separately They are edge retrigger The power input is DC3 3v if DC5v input two serial diodes IN4001 or 4007 connect to the positive input to low the voltage 8 7 LOOP PLAY AFTER POWER ON EDGE TIRGGER PAUSE PLAY APPLICATION CIRCUIT PWM OUTPUT 43 34V R1 470 5 AUDIOL NC SPK SPK NC P04 GND WTV020SD WTV020 SD 16P and WTV020 SD 20S PWM output SPK to speaker In loop play mode edge trigger GND short touch IO to trigger voice P05 PO7 are
17. www emartee com WTV020 SD MODULE WTV020 SD 20S and WTV020 SD 16P PRODUCT FEATURES 2 3 APPLIGALION DIAGRAM 3 3 I 4 2 4 5 2 W 020 BI 5 6iMODUEE SELECTION e 5 0 6 MI 6 RR 6 NE 6 PMS EREMIGOUS EE 7 1 2 LEE 7 7 21 7 T S KEY 5 group 0 VO 8 7 3 1 KEYS ARE EDGE srpa naan a aeina ARETA Yerai aa iaaa 8 7 3 2 EDGE RETRIGGER TIMING WAVEFORM 8 7 3 3 ALL KEYS ARE ON OFF UNIOOD 9 7 3 4 ALL KEYS ARE ON OFF unloop TIMING 9 AB ALL EKYSARE ON OFF 00 eie aether dudit tiec 9 7 3 6 TIMING WAVEFORM gt 9 7 AILOOP PLAY AFTER POWER ON LIST 10 7 4 1 EDGE TRIGGER TO PAUSE PLAY EKK 5 10 7 4 2 EDGE TIRGGER TO PAUSE PLAY TIMING 4000 10 7 4 9 LEVEL TRIGGER TO PAUSE PLAY
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