YSS912C Datasheet, PDF (9/14 Pages) List of Unclassifed Manufacturers – DOLBY DIGITAL (AC-3) / PRO LOGIC / DTS DECODER + SUB DSP

YSS912C
The following registers of address 0x18 to 0x2F are read-only (write disabled).
The contents of the registers of address 0x18 to 0x2A vary depending on input signal, AC-3 bitstream, DTS bitstream
or PCM, as described below.
1) When input signal is AC-3 bitstream
address
Name
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0x18
0x19
0x1A
0x1B
0x1C
0x1D
0x1E
0x1F
0x20
0x21
0x22
0x23
0x24
0x25
0x26
0x27
0x28
0x29
0x2A
Bitstream Register 0
fscod
Bitstream Register 1
Bitstream Register 2
acmod
Bitstream Register 3
dsurmod
Bitstream Register 4
0
0
Bitstream Register 5
0
0
Bitstream Register 6 audprodie
Bitstream Register 7 audprodi2e
Bitstream Register 8 timecod1e
0
Bitstream Register 9
Bitstream Register 10 timecod2e
0
Bitstream Register 11
Bitstream Register 12 langcode langcod2e
Bitstream Register 13
Bitstream Register 14
Bitstream Register 15
Bitstream Register 16
Bitstream Register 17
Bitstream Register 18
bsid
copyrightb
0
0
compre
frmsizecod
bsmod
cmixlev
surmixlev
lfeon
origbs
0
0
0
0
dialnorm
dialnorm2
mixlevel
roomtyp
mixlevel2
roomtyp2
timecod1
timecod1
timecod2
timecod2
compr2e
0
0
0
0
langcod
langcod2
compr
compr2
dynrng
dynrng2
2) When input signal is DTS bitstream
address
Name
bit 7
bit 6
bit 5
bit 4
bit 3
0x18 Bitstream Register 0
fscod
undefined
0x19 _{Bitstream Register 1}
undefined
0x1A _{Bitstream Register 2}
0x1B _{Bitstream Register 3}
AMODE
undefined
The contents of registers of address 0x1C to 0x2A are undefined.
bit 2
bit 1
bit 0
RATE
undefined lfeon
PCMR
3) When input signal is PCM
The contents of registers of address 0x18 to 0x2A are undefined.
The registers of address 0x2B, 0x2C are not used.
From the registers of address 0x2D to 0x2F, the following data can be read.
address
Name
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
0x2D Pc Register
undefined
Pc4 - 0
0x2E Data Stream Register STREAM7 STREAM6 STREAM5 STREAM4 STREAM3 STREAM2 STREAM1 STREAM0
0x2F Status Register
DTSDATA AC3DATA 2/0MODE SURENC KARAOKE MUTE
CRC NONPCM
Address 0x06, 0x07 and 0x37 to 0x7F are assigned for TEST. Never access to these registers.
Please refer to Application manual for details of Control register.
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