WTR010-SD录音模块.doc

此文档收集于网络，如有侵权，请联系网站删除Recording Module with SD CardWTR010-SDManualData SheetDocument Date: Apr. 20th, 2009Document Revision: V1.0Table of contents1. Features32. Wiring Instructions3MIC3Headphone Jack3SPK (2 Pins Terminal)3Power supply Option 1: -3V+3Power supply Option 2 : DC socket3LED3LINE-IN recording3The Functions of 5 Pushbuttons3REC3PLAY / STOP3UP3DOWN3DEL33. Note44. Technical support45. About us4此文档仅供学习与交流1. Features Direct record message to SD card and play- back function. SD card recording module, 128MB to 2GB. Recorded message transfer to PC with SD card reader easily. Power supply DC5 -12V from DC socket or DC 3V from “-3 V+” Pins. Record wav format, 16KHz，4bit, mono. Duration depends on the SD card capability (2 minutes /1 MB). Headphone Jack for DAC output for con- necting to amplifier or headphone. LINE-IN & MIC recording. Speaker output from two pin socket(0.5W，8ohm). With REC, PLAY/STOP, UP, DOWN, DEL. Buttons. Size: 56mm* 46mm*10mm2. Wiring Instructions MIC For microphone recordingHeadphone Jack DAC output to headphone or amplifierSPK (2 Pins Terminal) Speaker output, access 0.5W, 8ohm speakers directly.Power supply Option 1: -3V+ “+” is positive 3V (2.5-3.3V applicable), “is negative (ground), make sure that supply a stable power.Power supply Option 2 : DC socket Suitable for DC 5-12 V power inputLED Show the recording and playing, erasing stateLINE-IN recording Connect a capacitor 104 from the R15 (connect to the point near R15 silkscreen), audio signals goes to pin11 of the chip through capacitor 104. That can achieve the purpose of LINE-IN input. Audio signal GND connects to Module GND.The Functions of 5 Pushbuttons REC: record button Version one: Negative Pulse record, Keeping press 2-3 seconds, after “B” sound, start to record, press to stop. If you finish the recording, please press the button. Repeat this operation, can record other different voice. (512 Record message maximum)Version two: Low Level record, Keep pressing the record button, after “B” sound, start recording, Release the button to stop Repeat this operation, can record other different voice messages. (512 Record message maximum)PLAY / STOP Press the button to play, press again to stop. Note: Play the current segment recording message UP Play the previous recording messageDOWN Play the next recording messageDEL Keeping press button 2-3 seconds, delete the current recording, at that time LED light, and then you will hear “BB” sound, deleted.3. Note If you hear “BBB” sound when you power the module, which mean the SD not inserted or can not identify the SD card. (SD card should Format to FAT before inserted)For selecting the SD card, should test them before purchasing. Because there are many Brands and quality class of SD card, the module can not identify all of them. Support from 128Mb to 1Gb, 1Gb is suggested.4. Technical support GUANGZHOU WAYTRONIC TECHNOLOGY CO., LTD. Tel: 86-20-85638557, 85638319, 85638660 Fax: 86-20-85638637 Contact: Selena Mobile: 0086mail: MSN: Website: 5. About us Establish in 1999, Guangzhou Waytronic Technology Co., Ltd., located in 5 F, No. 25, Tangdong donglu, Tianhe district, Guangzhou, China. Has branches in Beijing, Shenzhen and HK (Waytronic Hongkong Limited).WAYTRONIC is a leader in developing innovative voice chips and sound modules solutions for enhancing traditional products, like voice chips or modules for gift cards, sales collateral, promotional advertising, image keepsakes, music, melody equipments auto electronics, multimedia, home securities, household appliances, medical devices, industrial automation control systems, toys and interactive consumable products, etc.WAYTRONIC produces WTV /WTB/AP serials OTP voice-chip, which with different duration time, high quality and competitive price. We also sell APLUS serials voice-chip and ISD serials recordable playable voice-chip. Voice application modules have long-playing modules, good audio quality and unlimited programmer. Taking the lead in offering the most comprehensive and diversified solutions for different customers in a low cost way. In the field of auto electronics and special vehicle, our Bus Station Reporters enjoy a high reputation and have a good market in domestic, leading the way in developing and producing forklift speeding alarms for driving safety in China.With a strong top-flight professional and technicians term, Our own design, development and manufacturi