S1V3G340 voice guidance lsi ? overview the S1V3G340 is an lsi incorporating high-compressi on, high-quality audio decoding functions, external spi flash memory interface, and a da converter, maki ng it ideal for use in voice guidance products. the voice data creation tool for epson voice guidance lsi allows easy creation of high-quality voice data without the need for studio recording. use of external spi flash memory allows easy interchanging of voice data. additional voice data can be transferred from a host when required. general-purpose output ports are provided to allow flexible system design. all functions are controlled by commands via a serial interface for easy addition to any existing system incorporating a ho st. the S1V3G340 offers pin compatibility with the s1v3034x series * facilitating substitution to suit system configurations. the S1V3G340 will help users reduce time-to-market for products inco rporating built-i n voice guidance functions. * external parts differ from s1v3034x series devices. ? 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) ? external spi flash memory interface - clock synchronized serial interface (spi) - maximum approx. 128 mins (16 mbytes) ? gpo - 7 pins ? host interface - clock synchronized serial interface, 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 oscillator: 32.768 khz ? package - qfp-52 pin (10 mm ? 10 mm) 0.65 mm pin pitch ? power supply voltage - 2.2 v to 5.5 v (single power supply) ? standard application system the S1V3G340 standard application system is configured as shown in the diagram below. the S1V3G340 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 S1V3G340 outputs voice audio while internally decoding and processing internal or streamed (via host command transfer) compressed audio data. speaker gpo x 7 spi flash memory da converter command controller spi master i/f serial inte rface (spi/uart/i2c) cloc k or crystal oscillator 32.768 khz or 12.288 mhz power supply voltage 2.2 v to 5.5 v (single power supply) rom sram v oice decoder host seiko epson corporation
S1V3G340 ? development tools - evaluation board * 1 - audio data creation tool * 2 - sample programs [voice data creation tool overview] step 1: voice guidance registration step 2: pronunciation editing s tep 3: phrase editing step 4: rom data production ? supported languages : english, jap anese, korean (all female voices) in planning stage : spanish, chinese * 1 for evaluation of S1V3G340 use s1v3s344 evaluat ion board incorporating 512-kb flash memory. * 2 the audio data creation tool uses pentax "voicetext" voice synthesis technology. "v oicetext" is a registered trademark of voiceware co., ltd. companies and product names included here ar e registered trademarks or trademarks. document code: 411675900 first issue march 2009 in japan ? d ?seiko epson corporation 2009, all rights reserved. phone: +81-42-587-5313 fax: +81-42-587+5116
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