Specifications

SLAA154
Interfacing the TLV320AIC12/13/14/15 Codec to the TMS320C5402™ DSP 9
3.5 Control Frame Data Format
The codec’s control frame data is composed of various types of data, depending on the direction
and the read/write mode of operation.
DIN (Write)
Register Address
Read / Write Select
Broadcast
Reserved
Data to be written
DIN (Read)
Register Address
Read / Write Select
Broadcast
Reserved
Data to be written
DOUT (Read)
SMART Device
Address
Register Address
Reserved
Data to be written
Figure 6. Control Frame Data Format
In the programming mode, when one wishes to program a control register, the control frame of
the corresponding device slot is programmed as follows:
1. The three MSB’s of the slot are programmed with the address of the register to be
programmed. This is also true for the bit streams on DIN, for both control register write
and control register read processes, as shown in the following table.
D15-D13 0 D11 111 D7-D0
D15-D13 1 0 111 D7-D0
D15-D12 D11-D9 0 D7-D0