seiko epson corporation s1v30345/343/341 voice guidance lsi ? overview the s1v3034x series range of lsis incorporates hi gh-compression, high-quality audio decoding functions, audio data rom, and da converters, make it ideal for use in voice guidance products. the voice data creation tool for epson voic e guidance lsi allows easy creation of high-quality voice data from text data without studio recording. three audio data rom sizes ar e available to suit specific needs. these lsis allow audio data to be transferred from a host when additio nal audio data is required. all functions are controlled by commands via a serial interface for easy addition to any existing system incorporating a host. the s1v3034x series offers pin compatibility (*) with the s1v3s344 and s1v3g340, facilitating substitution to suit system configurations. the s1v3034x series will help user s reduce time-to-market for prod ucts incorporating built-in voice guidance functions. * s1v3s344 and s1v3g340 differs in external parts from s1v3034x series. ? features ? audio playback - high-compression, high-quality audio decoder (proprietary epson data format) - bitrate: 40 kbps, 32 kbps, 24 kbps, 16 kbps - sampling rate: 16 khz ? sequencer function (phrase interval setting) - sequence setting for up to 64 phrases (unlimited combinations) - variable phrase interval delay setting: 0 ms or 20 ms to 2,047 ms (in 1 ms steps) ? built-in audio data rom - the following areas are reserved internally for audio data. ? s1v30345: 640 kbytes (approx. 5 mins/16 kbps) ? S1V30343: 384 kbytes (approx. 3 mins/16 kbps) ? s1v30341: 128 kbytes (approx. 1 min/16 kbps) ? host interface - synchronized serial interf ace (spi), supporting uart and i2c - command control ? high-quality 16-bit da converter - sampling rate ( f s ): 16 khz - input bits: 16 bits ? clock - clock input: 32.768 khz or 12.288 mhz - crystal or ceramic oscillator: 32.768 khz or 12.288 mhz ? package - qfp-52pin (10 mm x 10 mm) 0.65 mm pin pitch - qfp-48pin (7 mm x 7 mm) 0.5 mm pin pitch ? power supply voltage - 2.2 v to 5.5 v (single power supply) ? standard application system the s1v3034x series standard application system is configured as shown in the diagram below. the s1v3034x series is command-controlled by the host using a messaging protocol via the serial interface. controlled by commands sent from the host via the seri al interface after power-on resetting, the s1v3034x series outputs voice audio while internally decoding and processing internal or streamed (via host command transfer) compressed audio data. serial i/f (spi/uart/i2c) internal audio rom approx. 5 mins (s1v30345) approx. 3 mins (S1V30343) approx. 1 min (s1v30341) command controller da converter host 32.768khz or 12.288mhz audio decoder sram rom 2.2 v to 5.5 v (single power supply) clock or oscillator power supply voltage speaker
s1v30345/343/341 ? development tools - evaluation board - voice data creation tool for epson voice guidance lsi *1 - sample programs [overview of voice data creation tool] step.1: voice guidance registration step.2: pronunciation editing step.3: phrase editing step.4: rom data production - supported languages: japanese, english, korean (all female voices) in planning stage : spanish, chinese * 1 the audio data creation tool uses pentax "voicetext" voice sy nthesis technology. "voicetext" is a registered trademark of voiceware co., ltd. companies and product names in cluded here are registered tr ademarks or trademarks. semiconductor operations division seiko epson corporation ic sales department ic international sales group 421-8 hino, hino-shi, tokyo 191-8501, japan phone: +81-42-587-5814 fax: +81-42-587-5117 notice: no part of this material may be reproduced or duplicated in any form or by any means without the written permission of seiko eps on. seiko epson reserves the right to make c hanges to this material without notice. se iko epson does not assume any liability of a ny kind arising out of any inaccuracies contained in this material or due to its application or use in any product or circuit and, furt her, there is no representation that this material is app licable to products requiring high level reliabi lity, such as, medical products. moreo ver, no license to any intellectual property rights is granted by implication or otherwise, and there is no representation or warranty that any thing made in accordance with this material will be free from any patent or copy right infringement of a third party. this material or portio ns thereof may contain technology or the subject relati ng to strategic products under the control of the foreign exchange and foreign trade la w of japan and may require an export license from the ministry of economy, trade and industry or other approval from another government ag ency. ? seiko epson corporation 2009, all rights reserved. http://www.epson.jp/device/semicon_e/ ? epson electronic devices website document code: 411518901 first issue august, 2008 revised february, 2009 in japan
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