OTG13S user manual
Contents
1. from outside 15 UD USB serial data D input output connecting from outside 16 UPW The power supply control output port of USB it generally needs to connect the transistor of PNP used for USB switch 17 5V Digital and analog 5V power supply input Electrical Specification Item Minimum Normal Maximum output power level IKHz 0dB frequency response 20Hz 20KHz signal to noise QOdB CCIR 2002 2009 Hard amp Soft Technology Co LTD http www HSAV com Page 6 of 7 fa 1 2 3 4 5 OTG13S User Manual hsavd221 pdt June 10 2008 Don t insert U disk or playing pauses while inserting U disk don t include the power supply current of U disk Play the MP3 music file of 320Kbps don t include the power supply current of U disk Play the MP3 music file of 320Kbps include the power supply current of U disk and apply those U disks or USB card readers that power supply current is big Play the MP3 music file of 320Kbps include the power supply current of USB hard disk USB hard disk adopt TOSHIBA 2 5inchs notebook hard disk that the current is 700mA These are test results after increasing 2 order low pass filter inside the standard circuit diagram fitting pictures HM632 ore o ki e j 9 we SDA SCh EEE Sa ED LANE 2002 2009 Hard amp Soft Technology Co LTD http www HSAV com Page 7 of 72. OTGI13S user manual Features gt gt VV VV Yy Support U disk USB mobile hard disk and USB card reader via card reader can support all mobile flash memory cards such as CF SMC MMC SD XD MS memory bar Support MP3 file and WMA file MP3 file supports all layers and all code streams WMA file supports all versions starting from V1 Apply the second generation DOS operating system with independent intellectual property right running speed is more fast support five layers directory and each layer directory can support 255 files at most can open six thousand files at the same time All soft wares from bottom layer are developed by HSAV completely support all U disk products and can add more drive programs at any time 100 support current and future products Power fail memory function Start playing from original song when insert U disk once again and can memorize 32 to 64 kinds of stats of U disk All memories may be saved 100 years Support FAT12 FAT16 and FAT32 universal file formats of DOS or WINDOWS operating systems completely compatible with computer Adopt FLASH as program memory can use U disk etc to upgrade program accord with the characteristic that IT products are changing with each passing day Stainless steel package prevents from disturbing sound and other components and provides excellent EMT function The volume of module is 47mm X 25mm X 9mm small and exquisite which provides convenience for
3. can improve the grade of product v _ Audio products in cars completely substitute for these audio products applying magnetic tape and CD v Powerful vibration proof ability apply to these places that because of environment is very bad must to play background music v The places requiring long time to play music speech voice signals etc for example common broadcast system vY The background music playing system of emporium supermarket etc v Another music playing places Diagram 1 the complete solution applying OTG13S internal single chip 2002 2009 Hard amp Soft Technology Co LTD http www HSAV com Page 2 of 7 ta OTG13S User Manual hsavd221 pdf June 10 2008 R1 75R Power supply Iot 4 NE4570 input Audio frequency output interface IC1 2 NE4570 CN4 4 5V 3 GND 2 SCL 1 SDA CN2 0 R12 470R LED PLAY R13 2K2 Expansion interface USB HOST interface RX1 SW1 Sw2 SW3 SW4 SW5 SW6 SENSOR PLAY PAUSE lt lt gt gt VOL VOL MODE Infrared remote control receiver Diagram 2 OTG13S standard circuit diagram Ground wire instructions There is no connection between AGND and GND in OTGI3S that asked for connecting on the user board If 5V power supply ground wire and analog ground wire are in the power supply terminal the connection point will be connected with power supply or should near to the OTGI3S pins GND connects with ground wire of metal outer covering to keep
4. ier is not required and resistor and capacitor filter can be directly applied as the following diagram 6 but signal output range and high frequency effect may be not good DACL C2 10U P5 4K7 y DACR c5 il u LCH 5 ie HN IC3 2 6V 24V R5 75R m NE4570 R2 15K c2 10u RCH J C4 C5 r 470U J 104 R5 4K7 IC3 1 NE4570 R5 C4 C5 Diagram 5 low pass filter that adopts single power supply 2002 2009 Hard amp Soft Technology Co LTD http www HSAV com Page 4 of 7 tay OTG13S User Manual hsavd221 pdf June 10 2008 DACL C12 10U R9 4K7 LCH C13 i 102 C2 10U DACR R5 4K7 RCH Diagram 6 adopt simple type passive low pass filter OTGI3S upgrading file instructions OTG13S program employs OTG13 AR5 as upgrading file this file can be sent to user after the whole machine leaves factory Inserting U disk can automatically upgrade program after copying OTG13S ARS5 file in the root directory of U disk and OTG BIOS can automatically identify new file If the file in the U disk is identical with OTG13S file OTG13S program will not be upgraded OTG13S AR5 can t exceed 32K bytes and upgrading can be finished within several seconds The electricity supply can t be cut off bang in the middle of the upgrading OTGI13S outline dimension diagram w 18 75mm u e 18 75mm 1 OTGL13s5 25mm a a E 2 a a a b b uu n a aas 4 mm 41 5mm 2002 2009 Hard amp Soft Technology Co LTD SSsSitt
5. product integration design The consumption of electric current is very low the consumption of electric current not including U disk is lower than 80mA when playing 320Kbps code rate and the consumption of electric current not including U disk is lower than 45mA when pause It is suitable for the places that use battery Built in 96 KHz 24bit DAC analog digital conversion chip and the sound effect is very good Have volume adjustment function and have 80 steps volume adjustment in all Have various sound effects such as classical pop etc Reserve 9 bi directional Expansion input output ports and single module is capable of finishing multimedia audio complete machine s functions Can use dual CPU communication solution to expand other functions The standard mode includes six buttons and one LED display er F Borz DICTAE ini rt Bike i Vero Mo A i A b E n LETS i Per i mm b PRELERE WV bi Hii ey H FE D tial rid Hard amp Soft Technology Co LTD http www HSAV com Address second floor No 199 Longyin 2nd Road Xixiang Shenzhen China TEL 86 0755 2795 1479 27950879 FAX 86 0755 27950879 213 Technology support support HSAV com Business contact Sales HSAV com ta OTG13S User Manual hsavd221 pdf June 10 2008 THH t Application Fields v IT products and multimedia audio system v Home audio system may be upgraded easily to the system supporting computer music which
6. ps www HSAVicom 0 Page 5 of 7 ta OTG13S User Manual hsavd221 pdf June 10 2008 OTGI13 socket port connection instructions 1 LCH Left channel audio frequency signal output in general need to increase 2 order or more low pass filter in order to get a good effect 2 RCH Right channel audio frequency signal output in general need to increase 2 order or more low pass filter in order to get a good effect 3 AGND Analog ground wire audio frequency output and power supply input it does not connected with digital ground wire and required to be connected from outside SCL Expansion single chip I O port it is used for the clock SCL port of IC in general SDA Expansion single chip I O port it is used for the clock SDA port of IC in general PA3 Expansion single chip I O port PA3 it is button interface in the standard mode PBO Expansion single chip I O port PBO it is LED control in the standard mode and HINT in the communication mode A a E PB1 Expansion single chip I O port PB1 it is HDAT in the communication mode PB2 Expansion single chip I O port PB2 it is infrared reception head 10 PAO Expansion single chip I O port PAO it is button interface in the standard mode 11 PAI Expansion single chip I O port PA1 it is button interface in the standard mode 12 PA2 Expansion single chip I O port PA2 it is button interface in the standard mode 13 GND Digital ground wire input 14 UD USB serial data D input output connecting
7. the resistance of ground wire lower for a good effect The position nearing the OTG13S pins is preferable for a better effect Power supply instructions When need not to support USB mobile hard disk 5V power supply can use various linear voltage regulators such as 7805 and the current should exceed 300mA When need to support USB mobile hard disk it is preferable that 5V power supply adopts switch power supply such as LM2567 current should exceed 800mA the voltage adjusted is about 5 3V and it can make sure that hard disk has enough current and voltage At UPW pin adding a switch connecting 470R resistance and 8550 in parallel can make the power supply current of USB mobile hard disk higher than 700mA the power supply voltage range of USB HOST interface is 5 V 0 5V 2002 2009 Hard amp Soft Technology Co LTD http www HSAV com Page 3 of 7 tay OTG13S User Manual hsavd221 pdf June 10 2008 IC1 LM2576 5V 5 3V C13 D1 L1 104 RS130LTR 100UH 1A Diagram 3 LM2576 typical circuit Diagram 4 the power supply circuit that can apply to USB mobile hard disk Audio Frequency Instructions Power supply is the best choice for the sake of a good effect if the power supply of the complete machine is power supply Or single power supply can be adopted and the plus input of operational amplifier connects with 1 2 power supply as the following diagram 5 If there is no requirement for the sound operational amplif
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