sta015t-013tr STMicroelectronics, sta015t-013tr Datasheet - Page 51
sta015t-013tr
Manufacturer Part Number
sta015t-013tr
Description
Mpeg 2.5 Layer Iii Audio Decoder With Adpcm Capability
Manufacturer
STMicroelectronics
Datasheet
1.STA015T-013TR.pdf
(55 pages)
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6.5 STA015 CONFIGURATION FILE FORMAT
The STA015 Configuration File is an ASCII format. An example of the file format is the following:
58 1
42 4
128 15
............
It is a sequence of rows and each one can be interpreted as an I
the I
ration file into the device, a sequence of write operation to STA015 I
The following program describes the I
STA015 Configuration Code (pseudo code)
download cfg - file
{
fopen (cfg_file);
fp:=1;
do {
while (!EDF)
}
Note: 1. STA015 is a device based on an integrated DSP core. Some of the I
I
I
I
I
I
fp++;
}
2
2
2
2
2
2
C address (register) and the second one is the I
2. Refer also to the application note AN1250
C_stop_cond;
C_start_cond;
C_write_dev_addr;
C_write_subaddress (fp); /* write subaddress
C_write_data (fp);
boot operation. The bootstrap time is 60 micro second. Only after this time lenght, the data in the register can be considered stable
.
42
/* write STA015 device address
/* write data
/* repeat until End of File
/* End routine
/* generate I
/* generate I
/*set file pointer to first row */
/* update pointer to new file row
2
C routine to be implemented for the configuration driver:
4
D98AU976
2
2
C start condition for STA015 device address */
C stop condition
2
C data (value). To download the STA015 configu-
I
I
2
2
C REGISTER VALUE
C SUB-ADDRESS
2
C registers default values are loaded after an internal DSP
2
C command. The first part of the row is
2
C interface must be performed.
STA015 STA015B STA015T
*/
*/
*/
*/
*/
*/
*/
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