Playbacks “human voice” and “sound effect” in very clear sound
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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 | Speech-speed and pitch conversion function installed | 1044sec. |
ML2280□series | Serial interface type | 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 | 201sec. |
ML22321 | For automotive / serial interface type / speaker amplifier installed | 43sec. |
ML2233□series ML22Q33□series NEW | For automotive / serial interface type / speaker amplifier installed | 43sec. |
ML2234□series ML22Q34□series NEW | For automotive / serial interface type / speaker amplifier installed | 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 | 201sec. |
ML2257□series | For automotive / serial interface type / speaker amplifier installed / 4ch simultaneous playback | 201sec. |
ML2233□series | For automotive / serial interface type / speaker amplifier installed | 43sec. |
ML2234□series | For automotive / stand alone type / speaker amplifier installed | 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 | Serial interface type / speaker amplifier installed / 4ch simultaneous playback / Serial external memory | 8352sec. |
ML2011 | MP3 decoder / serial, parallel interface type / speaker amplifier installed / stereo | Depends on external memory size |
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