HBM2X1M

·Fully Qualified Bluetooth System
·Bluetooth 1.2 Specification Compliant
·Kalimba DSP Open Platform Co-Processor
·Full Speed Bluetooth Operation with Full Piconet Support
·Operating Voltage 2.7~3.6V
·UART Interface With programmable baud rate up to 1.5Mbaud with an optional bypass mode
·Full Speed USB v1.1 Interface Supports OHCI And UHCI Host Interfaces
·16-bit Resolution Stereo Audio Codec, Standard Sample Rates of 8kHz, 11.025kHz, 16kHz, 2.05kHz, 32kHz, 44.1kHz And 48kHz (DAC Only)
·Integrated Amplifiers For Driving Microphone And Speakers With Minimum External Components
·Standard HCI (UART and USB) support
·Fully Embedded RFCOMM
·External 8Mbit Flash Memory
·Integrated 26MHz Reference Clock
·Competitive Size (9.0mm x 10.0mm x 1.6mm : LGA 44Pin)

Four signals are used to implement the UART function. UART_TXD and UART_RXD transfer data between the two devices. The remaining two signals, UART_CTS and UART_RTS, can be used to implement RS232 hardware flow control where both are active low indicators.