Bluetooth Audio Module
Ehong Technology Co., Ltd
It supports 13-bit or 16-bit linear, 8-bit u-law or A-law companded sample formats and can
receive and transmit on any selection of three of the first four slots following PCM_SYNC.
EH-MB18 interfaces directly to PCM audio devices including the following:
■ Qualcomm MSM 3000 series and MSM 5000 series CDMA baseband devices
■ OKI MSM7705 four channel A-law and μ-law CODEC
■ Motorola MC145481 8-bit A-law and μ-law CODEC
■ Motorola MC145483 13-bit linear CODEC
■ STW 5093 and 5094 14-bit linear CODECs(8)
■ EH-MB18 is also compatible with the Motorola SSI interface
6.9.2. Digital Audio Interface (I2S)
The digital audio interface supports the industry standard formats for I2S, left-justified or right-
justified. The interface shares the same pins of the PCM interface as Table 11.
Special firmware is needed if I2S is used. Contact EHong for the special firmware when use
I2S as the interface between the module and the host or the codec. The I2S support following
formats,
