DFBM-CM221
DFBM-CM221 is A Class 2 Bluetooth module suitable manufactured by Delta Electronics.
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Preliminary
DFBM-CM221 Bluetooth TM Module Class 2
A Class 2 Bluetooth module suitable for MP3 applications.
1. Features
High Integrate, need minimum external ponents. pliant to various interfaces: SPI, UART, USB.
2.Device Diagram
S5~S6 S1~S4 Reset UART, USB, SPI LED Audio In/Out 1.8V Battery
BC3-MM
1.8V X’tal Regulator
Charger
VUSB or DC Jack
Data Sheet
May 23, 2005 Proprietary Information and Specifications are Subject to Change
Preliminary
3.General Specification
Bluetooth
Specification
Version 1.2 2.4GHz ISM Band 723 kbps -81 d Bm +4 d Bm (Class 2) 3.4~4.2 V -20~+75 ℃ -40~+85 ℃ 50 ohm 17.4- 16.7- 2.2 mm 10 meters 17 u A 1 m A 25 m A
Frequency Transmission Rate Receive Sensitivity Maximum Output Power Operating Voltage Operating Temperature Storage Temperature Antenna Impedance Package Size Operating Range Quiescent Current Standby Current Operating Current
4.RF Characteristics
RF Characteristics
1. Frequency Range
Min. Typ. Max.
2402 ~ 2483.5
Unit
MHz
Data Sheet
May 23, 2005 Proprietary Information and Specifications are Subject to Change
Preliminary...
