STA016 STMICROELECTRONICS [STMicroelectronics], STA016 Datasheet - Page 29

• Manufacturer Part Number: STA016
• Description: MPEG 2.5 LAYER III AUDIO DECODER SUPPORTING CD-ROM CAPABILITY
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

6.9.25 EXTRACT_BYTE_IDX_Bn:
Address : 0xB6 (182) to 0xB8 (185)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies the n
byte block to extract from the CD. This number
should be relative to the beginning of the track con-
taining these bytes.
6.9.26 EXTRACT_ADR_MODE :
Address : 0xBA (186)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies addressing mode type for byte
extraction: if set to 0, it is a relative (to the beginning
of the current file) addressing mode, if set to 1 it is an
absolute addressing mode (relative to the beginning
of the CD).
6.9.27 CD_CONFIG_MODULE :
Address : 0xBC (188)
Type : RO - ABO
Software Reset : 0xA
Description :
This register set some parameters describing the
way the module transmit the data to the DSP
Table 29. .
b7
b7
b7
Bit
0
b6
b6
b6
b5
b5
b5
0: valid data byte swapped.
1: valid data not byte swapped.
b4
b4
b4
th
b3
b3
b3
byte of the index of the
FORMAT
b2
b2
b2
b1
b1
b1
b0
b0
b0
6.10 COMMAND registers description
6.10.1 SOFT_RESET :
Address : 0x10 (16)
Type : WO - DWT
Software Reset : 0
Description :
When user write 1 in this register, a soft reset occurs.
The core command register and the interrupt register
are cleared. The decoder goes into idle mode.
6.10.2 CK_CMD :
Address : 0x3A (58)
Type : WO - DBO
Software Reset : 1
Hardware Reset : 1
Description :
After a soft reset, user must write 0 in CK_CMD to run
the core clock of the chip. This will begin the boot of
the chip, and so get it out of its idle state.
6.10.3 DEC_SEL :
Address : 0x55 (85)
Type : RW - DEC
Software Reset : 0
b7
b7
b7
other
Bit
1
b6
b6
b6
b5
b5
b5
0: ID3 tag not checked
1: ID3 tag checked
reference for counting sector in
minute.
b4
b4
b4
b3
b3
b3
FORMAT
b2
b2
b2
STA016A
b1
b1
b1
29/43
b0
b0
b0