BC57E687CGITBE4 查看數據表（PDF） - Unspecified

零件编号

产品描述 (功能)

生产厂家

BC57E687CGITBE4

BlueCore® 5-Multimedia External Fully Qualified Single-chip Bluetooth® v2.1 + EDR System

Unspecified 

Contents

Contents

1 Device Details ............................................................................................................................................... 10

2 Functional Block Diagram ............................................................................................................................ 11

3 Package Information ..................................................................................................................................... 12

3.1 Pinout Diagram .................................................................................................................................... 12

3.2 Device Terminal Functions .................................................................................................................. 13

3.3 Package Dimensions ........................................................................................................................... 21

3.4 PCB Design and Assembly Considerations ......................................................................................... 22

3.5 Typical Solder Reflow Profile ............................................................................................................... 22

4 Bluetooth Modem .......................................................................................................................................... 23

4.1 RF Ports ............................................................................................................................................... 23

4.1.1 RF_N and RF_P ..................................................................................................................... 23

4.2 RF Receiver ......................................................................................................................................... 23

4.2.1 Low Noise Amplifier ............................................................................................................... 23

4.2.2 RSSI Analogue to Digital Converter ....................................................................................... 23

4.3 RF Transmitter ..................................................................................................................................... 23

4.3.1 IQ Modulator .......................................................................................................................... 23

4.3.2 Power Amplifier ...................................................................................................................... 24

4.3.3 Transmit RF Power Control for Class 1 Applications (TX_PWR) ........................................... 24

4.4 Bluetooth Radio Synthesiser ............................................................................................................... 25

4.5 Baseband ............................................................................................................................................. 25

4.5.1 Burst Mode Controller ............................................................................................................ 25

4.5.2 Physical Layer Hardware Engine ........................................................................................... 25

4.6 Basic Rate Modem .............................................................................................................................. 25

4.7 Enhanced Data Rate Modem .............................................................................................................. 25

5 Clock Generation .......................................................................................................................................... 27

5.1 Clock Architecture ................................................................................................................................ 27

5.2 Input Frequencies and PS Key Settings .............................................................................................. 27

5.3 External Reference Clock .................................................................................................................... 28

5.3.1 Input (XTAL_IN) ..................................................................................................................... 28

5.3.2 XTAL_IN Impedance in External Mode .................................................................................. 28

5.3.3 Clock Start-up Delay .............................................................................................................. 28

5.3.4 Clock Timing Accuracy ........................................................................................................... 28

5.4 Crystal Oscillator (XTAL_IN, XTAL_OUT) ........................................................................................... 29

5.4.1 Load Capacitance .................................................................................................................. 30

5.4.2 Frequency Trim ...................................................................................................................... 30

5.4.3 Transconductance Driver Model ............................................................................................ 31

5.4.4 Negative Resistance Model ................................................................................................... 31

5.4.5 Crystal PS Key Settings ......................................................................................................... 31

6 Bluetooth Stack Microcontroller .................................................................................................................... 32

6.1 Programmable I/O Ports, PIO and AIO ................................................................................................ 32

6.2 TCXO Enable OR Function ................................................................................................................. 32

6.3 WLAN Coexistence Interface ............................................................................................................... 33

7 Kalimba DSP ................................................................................................................................................ 34

8 Memory Interface and Management ............................................................................................................. 35

8.1 Memory Management Unit .................................................................................................................. 35

8.2 System RAM ........................................................................................................................................ 35

8.3 Kalimba DSP RAM .............................................................................................................................. 35

8.4 External Memory Driver ....................................................................................................................... 35

8.5 External Flash Memory (32Mb) ........................................................................................................... 35

8.6 Off-chip Program Memory ................................................................................................................... 35

CS-121064-DSP4

Production Information

This material is subject to CSR's non-disclosure agreement

© Cambridge Silicon Radio Limited 2006 - 2010

Page 4 of 104

Share Link: