YSS902

8

CONTROL REGISTER

The decoding system is controlled by reading and writing the control registers through microprocessor interface.

(/CS, SCK, SI and SO)

Note : All bits are set to “0” by initial clear (/IC=0) except for PLL0(bit 4) of PLL/DSN register (0x00).

address

Name

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

0x00 PLL/DSN Register

PLLUSE

PLL2-0

DSNIGN

DSN2 - 0

0x01 Mute Register

LMUTEN

AMOFF

0x02 SDIA Register

SDIASEL

PDOWN

SDIAFMT1 - 0

SDIABIT1 - 0

SDIAWP

SDIABP

0x03 SDOA Register

SDOACKSEL

SDOAFMT1 - 0

SDOABIT1 - 0

SDOAWP

SDOABP

0x04 OPORT Register

OPORT7 - 0

0x05 IPORT Register

IPORT7 - 0 (Read only)

0x09 Noise Level Register

NOISELEV7 - 0

0x0A Center Delay Register

CDELAY2 - 0

0x0B Surround Delay Register

SRDELAY3 - 0

0x0C Noise Register

NOISE

PN/WN

0x0D FS Register

FS1 - 0

0x0E L Volume Register

LVOL7 - 0

0x0F C Volume Register

CVOL7 - 0

0x10 R Volume Register

RVOL7 - 0

0x11 LS Volume Register

LSVOL7 - 0

0x12 RS Volume Register

RSVOL7 - 0

0x13 LFE Volume Register

LFEVOL7 - 0

0x14 Compression Register

EMPON

AIBON

VOLON

DITHOFF

P11OFF

DIALOFF

COMPMOD1 - 0

0x15 HDYNRNG Register

HDYNRNG7 - 0

0x16 LDYNRNG Register

LDYNRNG7 - 0

0x17 Mode Register

AC3/PCM

PLDECON PLSRMOD

DUALMOD1 - 0

OUTMOD2 - 0

0x30 COEF0-H Register

COEF0-15 - 8

0x31 COEF0-L Register

COEF0-7 - 0

0x32 COEF1-H Register

COEF1-15 - 8

0x33 COEF1-L Register

COEF1-7 - 0

0x34 SDIB Register

SDIBCKSEL SDIBSEL

SDIBFMT1 - 0

SDIBBIT1 - 0

SDIBWP

SDIBBP

0x35 SDOB Register

SDOBCKSEL

SDBUSE

SDOBFMT1 - 0

SDOBBIT1 - 0

SDOBWP

SDOBBP

0x36 ERAM Register

ERAMUSE

Note : Do not write "1" into the cross-hatched bits because they are used for testing the LSI.

The following registers of address 0x18 to 0x2F are read-only (write disabled).

address

Name

bit 7

bit 6

bit 5

bit 4

bit 3

bit 2

bit 1

bit 0

0x18

Bitstream Register 0

fscod

frmsizecod

0x19

Bitstream Register 1

bsid

bsmod

0x1A Bitstream Register 2

acmod

cmixlev

surmixlev

lfeon

0x1B Bitstream Register 3

dsurmod

copyrightb

origbs

0

0

0

0

0x1C Bitstream Register 4

0

0

0

dialnorm

0x1D Bitstream Register 5

0

0

0

dialnorm2

0x1E

Bitstream Register 6

audprodie

mixlevel

roomtyp

0x1F

Bitstream Register 7

audprodi2e

mixlevel2

roomtyp2

0x20

Bitstream Register 8

timecod1e

0

timecod1

0x21

Bitstream Register 9

timecod1

0x22

Bitstream Register 10

timecod2e

0

timecod2

0x23

Bitstream Register 11

timecod2

0x24

Bitstream Register 12

langcode

langcod2e

compre

compr2e

0

0

0

0

0x25

Bitstream Register 13

langcod