Data Sheet

Bluetooth AudioModule
ShenzhenTTKTechnologyCO.,LTD
TEL
：
0755-89484041 FAX
：
0755-89484040
6.16
1.0 BlockDiagram
Chargerin5V Battery3.6V-4.2V
。BluetoothVersion4.0specification
。OperatingFrequency2.4GHz-2.48GHzISMband
。ModulationGFSK(GaussianFrequencyShiftKeying)
。TransmitPower ≤4dBm,Class2
。Sensitivity ≤-81dBmat0.1%BER
。SecurityfeaturesAuthenticationandencryption
。SupportprofilesHands-FreeProfilev1.6andHeadsetProfilev1.2
AdvancedAudioDistributionProfilev1.2and
Audio/VideoRemoteControlProfileV1.4
。Power3.3V-4.2LI-batter
。OperatingTemperature –20~+70Centigrade
。Size20mmx25mmx3.0mm
Figure1: Blockdiagramof BTM-68E
2.4GHz Radio
MCU
ROM
Kalimba
DSP
RAM
I/O
XTAL
26MHz
SPI/I2C
USB
Audioin/out
PIO
DebugSPI
SerialFlash/
EEPROM
PM/char
ger
BTM-35