14
Coef
ficient
Program RAM
SDBCK1
SDWCK1
SDOB0
SDOB1
SDOB2
SDOB3
OVFB
RAMA 0~16
RAMA 0~7
SDIB3
SDIB2
SDIB1
SDIB0
SDOA2
RAMOEN
RAMWEN
RAMCEN
SDOA1
SDOA0
CPO
XO
XI
SDOB Interface
SDOBCKSEL
SDOBCKSEL
SDOACKSEL
L,R
/SDBCK0
SDBCK0
SDWCK0
SDIA0
SDIA1
SURENC
KARAOKE
MUTE
CRC
AC3DA
T
A
DTSDA
T
A
NONPCM
LS,RS
C, LFE
SDIBSEL
SDIB Interface
SDOA Interface
SDIA Interface
SDIA Interface
ERAMUSE
24 * 16
Sub DSP
SDIASEL
24 * 16
Main DSP
AC-3/Pro Logic/DTS
decoder
Input Buffer
Microprocessor
Interface
Control Registers
IPORT 0~7
/CS
SO
SI
SCK
OPORT 0~7
/CSB
SCK
SI
Control Signals
Control Signals
Data RAM
Delay RAM
PLL
Operating clock
(30MHz)
STREAM 0~7
External RAM
interface
YSS912C BLOCK DIAGRAM
