TC9446FG Datasheet, PDF (15/41 Pages) Toshiba Semiconductor – Audio Digital Processor for Decode of Dolby Digital (AC-3), MPEG2 Audio

TC9446FG
(3Ah)
24 bit COMMAND
24 bit Write DATA (1 word to 16 word)
START I²C Address W A COMMAND (H) A COMMAND (M) A COMMAND (L) A DATA (H) A DATA (M) A
All of ACK are returned to MCU from TC9446FG
DATA (L) A STOP
The interval of 6 ms or more is
required until next START.
Figure 8 Format at Time of Write
(3Ah)
24 bit COMMAND
(3Bh)
24 bit Read DATA (1 word to 16 word)
START
I²C Add.
W A COMMAND (H) A COMMAND (M) A COMMAND (L) A
These of ACK are returned to MCU from TC9446FG
START
The interval of 6 ms or
more is required
I²C Add. R A RD (H) A RD (M) A
RD(L) A STOP
These of ACK are retarned to TC9446FG from MCU
This ACK is MCU
set up at “H”.
Figure 9 Format at Time of Read
(3Ah)
24 bit COMMAND
START I²C Address W A COMMAND (H) A COMMAND (M) A COMMAND (L) A STOP
All of ACK are returned to MCU from TC9446FG.
Figure 10 Format Only a Command at the Time of Transmission.
15
2005-09-28