Preliminary DFBM-CM221 DFBM-CM221 Bluetooth TM Module Class 2 A Class 2 Bluetooth module suitable for MP3 applications. 1. FEATURES High Integrate, need minimum external components. Compliant to various interfaces: SPI, UART, USB. 2.Device Diagram S5~S6 S1~S4 Reset BC3-MM 1.8V X’tal Regulator Charger Data Sheet UART, USB, SPI LED Audio In/Out 1.8V Battery VUSB or DC Jack May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 3.General Specification TM Bluetooth Specification Version 1.2 Frequency 2.4GHz ISM Band Transmission Rate 723 kbps Receive Sensitivity -81 dBm Maximum Output Power +4 dBm (Class 2) Operating Voltage 3.4~4.2 V Operating Temperature -20~+75 ℃ Storage Temperature -40~+85 ℃ Antenna Impedance 50 ohm Package Size 17.4*16.7*2.2 mm Operating Range 10 meters Quiescent Current 17 uA Standby Current 1 mA Operating Current 25 mA 4.RF Characteristics RF Characteristics 1. Frequency Range Data Sheet Min. Typ. Max. Unit 2402 ~ 2483.5 MHz May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 2. Output Power ( Hopping On ) 2 2-1. Average Power 4 2-2. Maximum Power 2-3. Minimum Power dBm dBm -6 dBm 3. Power Control ( Hopping Off ) 5 3-1. Maximum Step 3-2. Minimum Step 2 8 dBm 4 dBm 4. Initial Carrier ( Hopping On ) 4-1. Average Offset -20 20 KHz 4-2. Max +ve Offset -20 20 KHz 4-3. Max –ve Offset -20 20 KHz 5. Carrier Drift ( Hopping On, Low & Mid & High Channel ) 5-1. Drift Rate -20 10 20 KHz 5-2. DH1 -25 10 25 KHz 5-3. DH3 -40 10 40 KHz 5-4. DH5 -40 10 40 KHz 6-1. F1 Average 140 165 175 KHz 6-2. F2 Maximum 115 145 6-3. F1 / F2 Ratio 0.8 0.95 6. Modulation Characteristics ( Hopping Off ) KHz 7. Single Sensitivity ( Hopping Off & On ) 7-1. Overall BER ( -70dBm ) Data Sheet 0 0.1 % May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 8. Multi Slot Sensitivity ( Hopping Off & On ) 8-1. Overall BER ( -70dBm ) 0 0.1 % 0 0.1 % 9. Maximum Input Level ( Hopping Off ) 9-1. Overall BER 5.Audio Characteristics RF Characteristics Min. Typ. Max. Unit 85 1. SNR dBm 6 2. THD % 6.Pin Description Pin No. Name 1 D2 2 GND Ground 3 ANT RF input/output 4 PIO11 5 MIC_P_R Microphone input positive (right side) 6 MIC_N_R Microphone input negative (right side) 7 MIC_P_L Microphone input positive (left side) 8 MIC_N_L Microphone input negative (left side) Data Sheet Description Light if power on or pair Programmable input/output May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 9 SPK_N_R Speaker output negative (right side) 10 SPK_P_R Speaker output positive (right side) 11 SPK_N_L Speaker output negative (left side) 12 SPK_P_L Speaker output positive (left side) 13 GND 14 USB D- USB data minus 15 USB D+ Input USB data plus with selectable internal 1.5kohm pull-up resistor 16 VUSB 17 UART_RTS 18 UART_TX 19 UART_CTS 20 UART_RX 21 S4 High when incoming call 22 S3 Volume up 23 S2 Volume down 24 S1 Turn on 25 RESET 26 S5 Forward 27 S6 Backward 28 VBAT Battery voltage input 29 GND Ground 30 1.8V 1.8V output Data Sheet Ground 5V input UART request to send active low UART data output UART clear to send active low UART data input Reset if high May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 31 GND 32 D1 Data Sheet Ground Light if battery is charged or low battery May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 7.Reference design for Headset application Note: 1. The Mini USB can replace to DC Jack. It used to charge the battery. 2. The RESET pin can connect to VUSB or place a SW. Data Sheet May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 8.Dimensions (mm) Data Sheet May 23, 2005 Proprietary Information and Specifications are Subject to Change Preliminary DFBM-CM221 Contact information: Website: http://www.deltaww.com Email: [email protected] Tel No.: 886-3-3591968 # 2925 Data Sheet May 23, 2005 Proprietary Information and Specifications are Subject to Change