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音聲大規(guī)模積體電路

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Playbacks “human voice” and “sound effect” in very clear sound

Abundant Market Achievement: This product has been used in a variety of applications, such as toys and cars, for around 30 years.
LAPIS Semiconductor offers a wide selection of products, focusing on superior sound quality ADPCM method.
LAPIS Semiconductor suppots the customer to create sound, including recording, sample creation, and sound adjustment.

LAPIS Semiconductor's Speech Synthesis LSI collects wide products holding the top track record(*) in the domestic market in Japan. The various built-in memory types can be selected according to the customer requiring memory size.
?Speech Synthesis LSI Series with Built-in Large Capacity P2ROM?
This series is the speech synthesis LSI equipped with LAPIS Semiconductor's original P2ROM?. After being assembled, these products wait for an order from customers, and then sound data is written. This process can significantly reduce the sample creation time and mass production TAT. It is suitable for a long time sound playback such as audio instruction

Series	Functions	Max. playback time
ML2282□series ML2286□series	Serial interface type / speaker amplifier installed / 2ch simultaneous playback	1044sec.
ML2272□series ML2276□series	Speech-speed and pitch conversion function installed / Serial interface type / speaker amplifier installed	1044sec.
ML2280□series ML22P80□series	Serial interface type P2ROM built-in (ML2280□series) OTP built-in (ML22P80□series)	524sec.

?Speech Synthesis LSI Series with Built-in Small/Medium Capacity Flash ROM/Mask ROM
These products are equipped with 640Kbit-4Mbit ROMs, and each series provides pin-compatible products and offers full compatibility between FlashROM and MaskROM. Therefore, after developing with FlashROM, you can change to MaskROM or just keep FlashROM as your choice for mass production. Customers can select a suitable ROM for their use.

Series	Functions	Max. playback time
ML2256□series ML22Q563 NEW	Serial interface type / speaker amplifier installed / 2ch simultaneous playback Mask ROM built-in (ML2256□series) Flash memory built-in (ML22Q563)	201sec.
ML22321 ML22Q321	For automotive / serial interface type / speaker amplifier installed Mask ROM built-in (ML22321) Flash memory built-in (ML22Q321)	43sec.
ML2233□series ML22Q33□series NEW	For automotive / serial interface type / speaker amplifier installed Mask ROM built-in (ML2234□series) Flash memory built-in (ML22Q34□series)	43sec.
ML2234□series ML22Q34□series NEW	For automotive / serial interface type / speaker amplifier installed Mask ROM built-in (ML2234□series) Flash memory built-in (ML22Q34□series)	43sec.

?Speech Synthesis LSI Series for Automotive Systems
ML2257□series and ML22Q553 guarantee operation at +105℃ with the 4ch mixing function and speaker amplifier implemented. Also, the internal temperature of LSI and a voltage drop in the power supply are detected as a fail-safe. More functions necessary for car installation are also included, such as a detection of CPU command send error and over-current shutdown circuit. FlashROM and MaskROM types are available with full compatibility between them.

Series	Functions	Max. playback time
ML22Q553	For automotive / serial interface type / speaker amplifier installed / 4ch simultaneous playback Flash memory built-in	201sec.
ML2257□series ML22Q573 NEW	For automotive / serial interface type / speaker amplifier installed / 4ch simultaneous playback Mask ROM built-in (ML2257□series) Flash memory built-in (ML22Q573)	201sec.
ML2233□series ML22Q33□series NEW	For automotive / serial interface type / speaker amplifier installed Mask ROM built-in (ML2234□series) Flash memory built-in (ML22Q34□series)	43sec.
ML2234□series ML22Q34□series NEW	For automotive / stand alone type / speaker amplifier installed Mask ROM built-in (ML2234□series) Flash memory built-in (ML22Q34□series)	43sec.

?Speech Synthesis LSI Series Compatible with External Memory
If you want to play more sound, the external memory compatible speech synthesis LSI series is the best option for you. A serial memory of up to 128Mbit can be connected externally. LAPIS Semiconductor's ML224□□ series is equipped with a speaker amplifier. Select the suitable one for your application.

Series	Functions	Max. playback time
ML22420 ML22460	Serial interface type / speaker amplifier installed / 4ch simultaneous playback / Serial external memory	8352sec. (max.128Mbit)
ML2011	MP3 decoder / serial, parallel interface type / speaker amplifier installed / stereo	Depends on external memory size

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