CM118B Datasheet, PDF (14/25 Pages) C-Media Electronics – Highly Integrated & Configurable USB Audio Single Chip

CM118B
Highly Integrated & Configurable USB Audio Single Chip
START and STOP conditions shown below are the exception. Every transaction begins from a STARTand ends with
a STOPor another START (repeated START).
The figure below demonstrates a typical transaction. After every 8 bits sent by the transmitter, the receiver
should send one bit low for positive acknowledgement or one bit high for negative acknowledgement. After the
negative acknowledgement, a STOP or repeated START should follow. The next figure shows more detailed display
about acknowledgement bit. Note that ‘SCLK’ is always driven by the master.
Datasheet Revision: 1.00
Page 14 / 25
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