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NR7100S¼оƬح¼حMP3حоƬ

   
::Ʒ˵::
NR7100S¼оƬ,¼,MP3,оƬ

NR7100S¼оƬΪозƷSPI洢ķʽﵽ¼ĹܡҪص¼ʱ䳤Ŀǰṩ¼ʱΪ32ӡNR7100SһصǴ洢ʱͻԼҪ¼ʱ䳤ȣѡӦSPI FLASHоƬġNR7100¼оƬ·ŵƬ¼ʱ䳤ơɱ͡ŵ㡣

NR7100S߱ģʽڿģʽߴڿģʽģʽܹܷӦڶֳϣһԼ۱Ⱥܸߵı׼¼顣

8λDSPں¼оƬNR7100S16λADC룬16λDAC
ݴ洢SPI FLASHУظд100000ϣʱ䳬100ꣻ
 ļϵͳ洢Ƭ
¼ļADPCMʽFLASHԽʡ洢ռ䣻
¼ÿβʱ¼220Σ
֧SPI-FLASHΧΪ1M Bit64M Bit¼ɴ1000ϣ
ֱ֧׼һ¼ģʽģʽͶߴģʽƷʽƷ㣻

ʸߣͣ¼ԶAGC棻
0.5WƵţֱ0.5W
֧LINE·¼MICֳ¼
趨ʣ֧6K16K
æźָʾ
ѹΧΪDC2.7V4.5VԴ͵ѹ·
Թ㷺Ӧڵ绰¼ءߵ
DIP28װ¼ICSSOP28װСɣ
 ʡģʽĵ150uA£


3
 

3.1ͼ
 

NR7100SоƬ,¼оƬ,¼,¼

NR7100S¼оƬͼ

3.2װŶӦ
 

NR7100SоƬ,¼оƬ,¼,¼
 

4ģʽ
 

N7100SƲģʽֱΪһΰ¼ģʽһһģʽ׼ģʽMCUߴڿơÿģʽڳǰ¼̶ûʹǰԤԼҪĿƲģʽ

4.1һΰ¼ģʽ
 

һ¼ģʽһ¼һ¼ʼǰԶ洢ڵݡ¼ΪƽЧ¼¼ɿֹͣ¼¼ʱƣ洢ʱΪޡ洢¼”BEEP”澯Ϊ½崥ʱΪ10ms

NR7100SоƬ,¼оƬ,¼,¼

4.2һһ¼ģʽ
 

һһ¼һ¼8ַP05Ϊ¼лءP05ΪߵƽʱP10—P17Ϊ8·ģʽP05Ϊ͵ƽʱP10—P17Ϊ8·¼ģʽ¼Ϊ͵ƽ͵ƽ¼ߵƽֹͣ¼洢¼”BEEP”澯Ϊ͵ƽѭߵƽֹͣÿ¼ʱƣ洢ʱΪޡʱΪ10ms

NR7100SоƬ,¼оƬ,¼,¼

4.3׼ģʽ
 

׼ģʽһ¼һǰżһһװһһװһڼһ¼ΪON/OFFһ¼ֹٰͣ¼ٰ¼һѭ¼220ÿ¼ʱƣ洢ʱΪޡ洢¼”BEEP”澯¼ﵽҲ”BEEP”澯

µǰβżᲥŵǰ¼ݡһԼһ׷ֱ¼лڰСѭл4ڣϵĬΪ̰Ϊǰ¼ݲ洢ݡ

NR7100SоƬ,¼оƬ,¼,¼

4.4MCUߴģʽ
 

ߴڲģʽMCUͨ߿ƣֱΪʱCLKDATA.ͨŶ˿Լʱ¡

4.4.1˿ڷ
 

NR7100SоƬ,¼оƬ,¼,¼


4.4.2MCUߴʱͼ
 

ݷǰCLKźԤ400usоƬȻCLKʼͣDATACLKλݴӵλʼͣÿһCLKʱ800uSС5msÿЧһ16bitݣǰ8bitΪCOMMAND룬8λΪַADDR롣

NR7100SоƬ,¼оƬ,¼,¼


5·ͼ

NR7100SоƬ,¼оƬ,¼,¼

     ооӿƼ޹˾ڹ˾ռ1000ƽף˾ܲڹ˾һҼicзƷơƷλܼҾӣܼҵ磬񣬼Ӳʵһĸ¼˾

	NR7100S¼оƬ,¼,MP3,оƬ






 
 













һƪû
һƪû
  ¼ʱ䣺2019-07-06 17:36 ӡҳ  
ʼ
ݣ
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