Shenzhen Sky Jiarun Technology Co. Ltd BTM870B 사용자 설명서

CONTENT 

INTRODUCTION................................................................................................................................. 4 

1.1 

B

LOCK 

D

IAGR AM 

................................................................................................................................. 4 

1.2 

F

EATURES 

............................................................................................................................................ 5 

1.3 

A

PPLICATIONS 

..................................................................................................................................... 6 

GENERAL SPECIFICATION ............................................................................................................ 7 

PHYSICAL CHARACTERISTIC....................................................................................................... 8 

3.1 

Pin Description.................................................................................................................................... 10 

  PHYSICAL INTERFACE…………………………………………………………………………..14 

5.1 

Programmable I/O ports..................................................................................................................... .14 

5.2 

Analogue I/O ports..............................................................................................................................14 

5.3 

LED driver ........................................................................................................................................ ..14 

5.4 

Audio interfaces ................................................................................................................................. 14 

5.5 

Microphone input ............................................................................................................................... 14 

5.6    Digital microphone inputs…………………………………………………………………………...14 
5.7    Line input…………………………………………………………………………………………….14 
5.8    PCM interface………………………………………………………………………………………..14 
5.9    Digital audio interface………………………………………………………………………………..15 
5.10 

Reset

 

................................................................................................................................................... 14 

5.11 

RF interface......................................................................................................................................... 15 

5.12 

Battery charger.................................................................................................................................... 15 

5.12.1 

battery charger hardware operating modes ................................................................................. 15 

5.12.2 

External charge mode ................................................................................................................. 15 

5.13 

Serial interfaces................................................................................................................................... 16 

5.13.1 

UART.......................................................................................................................................... 16 

5.13.2 

SPI............................................................................................................................................... 16 

ELECTRICAL CHARACTERISTIC .................................................................................................17 

6.1 

A

bsolute 

m

aximum 

ratings

 

...................................................................................................................... 17 

6.2 

R

ecom mended 

o

perating 

c

onditions 

................................................................................................................17 

6.3 

PIO recommended operating conditions

 

.................................................................................... …..............17 

6.4      Battery chargers……………………………………………………………………………………....18 
6.5      External charge mode…………………………………………………...…………………………....18 
6.6 

RF characteristics.................................................................................................................................19 

6.7 

P

ower consumptions

..................................................................................................................................19 

1

ＢＴＭ８７０

-B

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