CSR BC57F687 DataSheet

Ric_hh

CSR BC57F687的Data Sheet，拿出来分享一下，这个用来做双声道的蓝牙耳机，音响都不错哦。
【文件名】:1267@52RD_CSR-BC5.pdf
【格　式】:pdf
【大　小】:906K
【简　介】:
【目　录】:



Contents
Device Details ................................................................................................................................................ 2
Functional Block Diagram ............................................................................................................................... 3
1 Package Information .................................................................................................................................... 10
1.1 Pinout Diagram ................................................................................................................................... 10
1.2 Device Terminal Functions .................................................................................................................. 11
1.3 Package Dimensions ........................................................................................................................... 15
1.4 PCB Design and Assembly Considerations ......................................................................................... 16
1.5 Typical Solder Reflow Profile ............................................................................................................... 16
2 Bluetooth Modem ......................................................................................................................................... 17
2.1 Bluetooth Radio Ports .......................................................................................................................... 17
2.1.1 BT_RF ................................................................................................................................... 17
2.2 Bluetooth Receiver .............................................................................................................................. 17
2.2.1 Low Noise Amplifier ............................................................................................................... 17
2.2.2 RSSI Analogue to Digital Converter ...................................................................................... 17
2.3 Bluetooth Transmitter .......................................................................................................................... 17
2.3.1 IQ Modulator ......................................................................................................................... 17
2.3.2 Power Amplifier ...................................................................................................................... 18
2.4 Bluetooth Radio Synthesiser ............................................................................................................... 18
2.5 Baseband ............................................................................................................................................ 18
2.5.1 Burst Mode Controller ............................................................................................................ 18
2.5.2 Physical Layer Hardware Engine ........................................................................................... 18
3 Clock Input and Generation .......................................................................................................................... 19
3.1 Input Frequencies ............................................................................................................................... 19
3.2 External Reference Clock .................................................................................................................... 19
3.2.1 Input: XTAL_IN ....................................................................................................................... 19
3.2.2 XTAL_IN Impedance in External Mode .................................................................................. 20
3.2.3 Clock Start-up Delay .............................................................................................................. 20
3.3 Crystal Oscillator: XTAL_IN and XTAL_OUT ....................................................................................... 20
3.3.1 Load Capacitance .................................................................................................................. 22
3.3.2 Frequency Trim ...................................................................................................................... 22
3.3.3 Transconductance Driver Model ............................................................................................ 23
3.3.4 Negative Resistance Model ................................................................................................... 23
3.3.5 Crystal PS Key Settings ......................................................................................................... 24
3.4 Timing for Frequency ........................................................................................................................... 24
3.5 Sleep Clock ......................................................................................................................................... 24
4 Bluetooth Stack Microcontroller .................................................................................................................... 25
4.1 Microcontroller .................................................................................................................................... 25
4.2 Programmable I/O Ports, PIO .............................................................................................................. 25
4.3 WLAN Coexistence Interface ............................................................................................................... 25
5 Memory Interface and Management ............................................................................................................. 26
5.1 Memory Management Unit .................................................................................................................. 26
5.2 System RAM ...................................................................................................................................... 26
5.3 Internal ROM Memory (5Mb) ............................................................................................................... 26
5.4 External EEPROM ............................................................................................................................... 26

Ric_hh

目录太长了，只取了第一页

downloadfile

看看。。。。。。。。。。。

hwlc51

xiexie fenxiang .

chaney

除了感谢还是感谢！[em09]

jpengfei

看看谢谢

danny_yangwei

thanks for your sharing.[em04]

lzm1019

多谢分享！

alvinact

CSR BC57F687 DataSheet  看看

rroyye

下来看看，谢谢

Hugo801122

很好的资料，多谢！