tc9446fg TOSHIBA Semiconductor CORPORATION, tc9446fg Datasheet - Page 15

• Manufacturer Part Number: tc9446fg
• Description: Audio Digital Processor For Decode Of Dolby Digital Ac-3 , Mpeg2 Audio
• Manufacturer: TOSHIBA Semiconductor CORPORATION

START
START
I
I
2
2
C Address
C Add.
(3Ah)
(3Ah)
W
W
A
A
COMMAND (H)
COMMAND (H) A
These of ACK are returned to MCU from TC9446FG
Figure 10 Format Only a Command at the Time of Transmission.
START
All of ACK are returned to MCU from TC9446FG
A
COMMAND (M)
24 bit COMMAND
I
2
COMMAND (M)
24 bit COMMAND
C Address
(3Ah)
Figure 9 Format at Time of Read
Figure 8 Format at Time of Write
W
A
A
COMMAND (L)
A
COMMAND (L)
COMMAND (H) A
All of ACK are returned to MCU from TC9446FG.
The interval of 6 ms or
A
more is required
A
15
COMMAND (M)
24 bit COMMAND
DATA (H)
START
A
A
I
These of ACK are retarned to TC9446FG from MCU
2
C Add.
COMMAND (L)
(3Bh)
24 bit Write DATA (1 word to 16 word)
DATA (M)
R
A
RD (H) A RD (M) A
A
A
24 bit Read DATA (1 word to 16 word)
STOP
The interval of 6 ms or more is
required until next START.
DATA (L)
RD(L)
This ACK is MCU
set up at “H”.
A
A
TC9446FG
STOP
STOP
2005-09-28