tc9446fg TOSHIBA Semiconductor CORPORATION, tc9446fg Datasheet - Page 18
tc9446fg
Manufacturer Part Number
tc9446fg
Description
Audio Digital Processor For Decode Of Dolby Digital Ac-3 , Mpeg2 Audio
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
1.TC9446FG.pdf
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2)
Write of 24 bit data
command is set up and R/W bit is set to “L”, when writing in data from a MCU to TC9446FG during
program operation is set up.
maximum from END Condition.
transmission.
The number of words of data written in while data required for the 16 bit address in a 24 bit
And, 24 bit data of the number required after transmitting a 24 bit command of words is written in.
In addition, completion of internal taking in of write-in data requires the time of about 6 ms of the
Therefore, access of a next MCU needs to keep the term for about 6 ms after END Condition
The procedure of the write of 24 bit data is shown in Figure 12.
It is data write-in completion after STOP Condition
transmission and within about 6 ms term.
Transmission of I
Figure 12 Procedure of Write of 24 Bit Data
Checking of ACK bit = “L”
Write of 24 bit command
(write of data = xxxx0xh)
Write of 24 bit data (1)
Write of 24 bit data (2)
Write of 24 bit data (n)
START Condition
STOP Condition
2
C Address (3Ah)
18
At the time of ACK = “H”, it resumes from
START Condition.
A 16 bit address and a transmission word
number are set up.
It is possible to Write in the 24 bit data
until 16 word maximum.
TC9446FG
2005-09-28
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