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WTV020-SD Schematic ( PDF Datasheet ) - Waytronic

Teilenummer WTV020-SD
Beschreibung MODULE
Hersteller Waytronic
Logo Waytronic Logo 




Gesamt 26 Seiten
WTV020-SD Datasheet, Funktion
WTV020-SD MODULE
WTV020-SD-20S and WTV020-SD-16P
1.PRODUCT FEATURES ..................................................................................................................................................... 2
3.APPLICATION DIAGRAM.................................................................................................................................................. 3
4.APPLICATIONS ................................................................................................................................................................. 3
5.PINS .................................................................................................................................................................................. 4
5.1.WTV020-SD-20S ..................................................................................................................................................... 4
5.2.WTV020-SD-16P ..................................................................................................................................................... 5
6.MODULE SELECTION.................................................................................................................................................... 5
7.CONTROL MODES ........................................................................................................................................................... 6
7.1.MP3 MODE.............................................................................................................................................................. 6
7.1.1. ON/OFF(PALY/STOP) .................................................................................................................................. 6
7.1.2.NEXT ............................................................................................................................................................. 6
7.1.3.PREVIOUS .................................................................................................................................................... 7
7.2. KEY3 group of voice........................................................................................................................................ 7
7.2.1. EDGE RETRIGGER ..................................................................................................................................... 7
7.3.KEY(5 group of voice).............................................................................................................................................. 8
7.3.1. All KEYS ARE EDGE RETRIGGER.............................................................................................................. 8
7.3.2.EDGE RETRIGGER TIMING WAVEFORM ................................................................................................... 8
7.3.3.ALL KEYS ARE ON/OFF(unloop) .................................................................................................................. 9
7.3.4. ALL KEYS ARE ON/OFF(unloop) TIMING WAVEFORM .............................................................................. 9
7.3.5. ALL EKYS ARE ON/OFFloop................................................................................................................ 9
7.3.6. ON/OFF(loop) TIMING WAVEFORM............................................................................................................ 9
7.4.LOOP PLAY AFTER POWER ON.......................................................................................................................... 10
7.4.1.EDGE TRIGGER TO PAUSE/PLAY............................................................................................................. 10
7.4.2. EDGE TIRGGER TO PAUSE/PLAY TIMING WAVEFORM......................................................................... 10
7.4.3.LEVEL TRIGGER TO PAUSE/PLAY............................................................................................................ 11
7.4.4.LEVEL TRIGGER TO PAUSE/PLAY TIMING WAVEFORM......................................................................... 11
7.5.TWO LINE SERIAL MODE .................................................................................................................................... 11
7.5.1I/O FUNCTION IN TWO LINE SERIAL MODE.......................................................................................... 11
7.5.2. VOICE ADDRESSES.................................................................................................................................. 11
7.5.3.TIMING WAVEFORM IN TWO LINE SERIAL MODE .................................................................................. 12
7.5.4. CODE DESCRIPTIONS ............................................................................................................................. 12
7.5.5. PROGRAM EXAMPLE ............................................................................................................................... 13
8.TYPICAL APPLICATION CIRCUIT .................................................................................................................................. 18
8.1.WTV020-SD-20S INNER CIRCUIT ....................................................................................................................... 18
8.2.WTV020-SD-16P INNER CIRCUIT........................................................................................................................ 19
8.3.MP3 MODE APPLICATION CIRCUIT(PWM OUTPUT) ......................................................................................... 19
8.4.MP3 MODE APPLICATION CIRCUIT(DAC OUTPUT) .......................................................................................... 20
8.5.KEY MODE(3 group of voice) APPLICATION CIRCUIT(PWM OUTPUT).............................................................. 20
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WTV020-SD Datasheet, Funktion
LOOP PLAY(after power on)
TWO LINE SERIAL
5
256
256
256
KEY
KEY
KEY
BY MCU
YES
YES
YES
YES
DAC/PWM
DAC/PWM
DAC/PWM
DAC/PWM
7.CONTROL MODES
ON/OFF(loop)
ON/OFF(edge)
ON/OFF(level)
7.1.MP3 MODE
In the MP3 mode, WTV020-SD module default with 6 I/Os
I/O P02 P03 P04
FUNCTION
K1
K2
K3
TRIGGER
NEXT PREVIOUS VOL+
P05
K4
VOL-
P06
BUSY
------
P07
K5
ON/OFF
BUSY is for signal output test , when the playing voice, BUSY output is high level, can connect to LED for indicating.
7.1.1. ON/OFF(PALY/STOP)
Remark: Edge trigger. A negative edge trigger to play, next negative edge to stop.
7.1.2.NEXT
- 6-
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6 Page









WTV020-SD pdf, datenblatt
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.
ADDRESSES
ADDR 1
ADDR 2
ADDR 3
ADDR 4
……
ADDR 509
ADDR 510
ADDR 511
ADDR 512
TRIGGER STATE
PLAY 1th GROUP VOICE
2nd
3rd
4th
……
509th
510th
511th
512th
FILE NAME(.ad4)
0000
0001
0002
0003
……
0508
0509
0510
0511
TRIGGER DATABINARY
0000000000000000
0000000000000001
0000000000000010
0000000000000011
……
0000000111111100
0000000111111101
0000000111111110
0000000111111111
7.5.3.TIMING WAVEFORM IN TWO LINE SERIAL MODE
5mS
RESET
CLK
DATA
300mS
2mS
200uS
BUSY
VOICE
7.5.4. CODE DESCRIPTIONS
CODE
FUNCTION
FFF0HFFF7H VOICE VOLUME
DESCRIPTION
THE VOLUME CAN BE ADJUSTED DURING PLAY OR STAND BY
ADJUSTMENT
STATUS. FFF0H IS MIN, FFF7H IS MAX, TOTAL 8 LEVEL .
FFFEH
PALY/PAUSE
PLAY/PAUSE THE VOICE IN THE ADDRESS
FFFFH
STOP
STOP TO PLAY THE VOICE
The default volume is maximum. FFF0H is mute. Volume can be adjusted in play or stop status.
- 12-
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