PDF WTV020 Data sheet ( Hoja de datos )

Número de pieza	WTV020
Descripción	(WTV010 / WTV020) OTP Voice Chip
Fabricantes	Elechouse
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No Preview Available ! www.elechouse.com WTV010 & WTV020 Datasheet 1.Features............................................................................................................................................................... 2 2. Chip models........................................................................................................................................................2 3. Package sketch map ..........................................................................................................................................2 4.Pin’s descriptions .................................................................................................................................................3 4.2. WTV020 SOP20 package................................................................................................................................4 5. Electric parameters .............................................................................................................................................4 6.Absolute maximum ratings...................................................................................................................................5 7. Pins detail functions (D0～D8) ............................................................................................................................5 8.Control modes .....................................................................................................................................................6 8.1. Keyboard ..................................................................................................................................................6 8.2. Parallel interface (COM+SBT) ..................................................................................................................8 8.3. One line serial interface. ...........................................................................................................................9 8.4. Two lines serial interface (For external SD card using)........................................................................... 11 8.5. Three lines serial interface...................................................................................................................... 11 9.Typical application circuits ................................................................................................................................. 12 9.1. Keyboard mode PWM output (Direct drive speaker)...................................................................................... 12 9.2. Keyboard mode DAC output (External amplifier )................................................................................... 13 9.3. WTV010/WTV020 DIP16/SOP16/TSSOP16 ,parallel interface(COM+SBT) mode PWM output............ 13 9.4. WTV010/WTV020 DIP16/SOP16/TSSOP16 , one line serial interface PWM output .............................. 14 9.5. WTV010/WTV020 DIP16/SOP16/TSSOP16 , three lines serial interface PWM output .......................... 14 9.6. WTV020-20S , Parallel (COM+SBT) interface PWM output ................................................................... 15 9.7.WTV020-20S , one line serial interface PWM output............................................................................... 15 9.8. WTV020-20S two lines serial interface PWM output .............................................................................. 16 10. Packages and Pins ......................................................................................................................................... 17 10.1. DIP 16 dimension ................................................................................................................................. 17 10.2. SOP16 dimension................................................................................................................................. 18 10.3. SOP20 dimension................................................................................................................................. 18 10.4. TSSOP16 dimension ............................................................................................................................ 19 11.Timing control................................................................................................................................................... 21 11.1.Timing control waveform ........................................................................................................................ 21 11.2.Timing value........................................................................................................................................... 22 12. One line , three line serial interface control flow ............................................................................................. 22 13. One serial interface program .......................................................................................................................... 23 13.1.One line serial finterface Assembly........................................................................................................ 23 13.2.One line serial interface C program ....................................................................................................... 24 14. Three lines serial interface progarm................................................................................................................ 26 14.1. Three lines serial interface Assembly ................................................................................................... 26 14.2. Three lines serial interface C program.................................................................................................. 27 15. Supply information .......................................................................................................................................... 29 16. Versions .......................................................................................................................................................... 29 -1- 1 page www.elechouse.com 6.Absolute maximum ratings Item VCC-GND Vin Vout T(Operation) T(Junction) T(Storage) DIP SOP Range -0.5～4.5 GND-0.3<Vin<VCC+0.3 GND<Vout<VCC -30~+75 -40~+85 -30~+120 -45~+125 Unit V V V °C °C °C °C 7. Pins detail functions (D0～D8) The pins functions in different control mode for DIP16/SOP16/TSSOP package In the Parallel mode, D0 works as trigger Pin (SBT) .In the keyboard mode , D0~D6 can be defined as pulse retrigger, pulse trigger, low level trigger, low level retrigger, ON/OFF, up(previous) ,down (next) ,up loop, down loop . D1 is defined as key trigger I/O ,/ three lines serial CS / and parallel address A0 D2 is defined as key trigger I/O /two lines serial clock / three lines serial clock / parallel address A1 D3 is defined as key trigger I/O / one line serial data in / two lines serial data in / three lines serial data in / parallel address A2 D4 is defined as key trigger I/O / parallel address A3 The pins functions in different control mode for SOP20 package In the parallel interface , D0 works as trigger pin (SBT) . D1 is defined as key trigger I/O / three lines serial CS(chip select) / parallel address A0 D2 is defined as key trigger I/O / parallel address A4 D3 is defined as key trigger I/O / parallel address A5 D4 is defined as key trigger I/O /two lines serial clock / three lines serial clock / parallel address A1 D5 is defined as key trigger I/O / one line serial data / two lines serial data / three lines serial data address A2 D6 is defined as key trigger I/O / parallel address A6 D7 is defined as parallel address A3 / parallel VDD ,VCC,GND VDD is chip digital power input, VCC is chip analog power input , voltage range from 2.6V～3.6V . GND is power ground . OPO , OPI , SPK-P, SPK-N -5- 5 Page www.elechouse.com 200us 600us High level：Low level=1：3 means “0” 8.3.4. Program examples Please see at “13. one line serial interface program.” 600us 200us High level : Low level =3：1 means 1 8.4. Two lines serial interface (For external SD card using) Ignore 8.5. Three lines serial interface. There are CS ,CLK ,DATA three lines communication. Imitate SPI communication . 8.5.1. Assignment of I/O Package Pins D8 D7 D6 D5 D4 D3 D2 DIP16 -- -- -- -- -- DATA CLK SO16 -- -- -- -- -- DATA CLK SOP20 -- -- -- DATA CLK -- -- Note: D0 for test , negative pulse trigger can play voices in all addresses . D1 CS CS CS D0 TEST TEST TEST 8.5.2. Code descriptions Code Function E0H~EFH Adjust Volume F0H～F1H Turn on/ off Am F2H FEH Repeat Stop Descriptions In playing or standby, send the code can adjust 16 level volume . E0H is minimum，EFH is maximum. F0H turn off internal amplifier，F1H turn on internal amplifier. It will be 1ms delay after send the code. During playing, send this code will repeat current address voice Stop playing The relationship between voices and addresses. Data（Hex.） Functions 00H Play gourp 1 voice 01H Play gourp 2 voice 02H Play gourp 3 voice …… …… CDH Play gourp 206 voice CEH Play gourp 207 voice CFH Play gourp 208 voice - 11 - 11 Page

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