NAD L75 Service Manual page 15

YSS912C BLOCK DIAGRAM
Control Signals
/SDBCK0
SDBCK0
SDWCK0
SDIA0
SDIA1
SURENC
KARAOKE
MUTE
CRC
AC3DATA
DTSDATA
NONPCM
NJU3713G (EXPANDOR IC 84)
DATA
CLK
STB
CLR
Microprocessor
Interface
Control Signals
Control Registers
STREAM 0~7
Operating clock
(30MHz)
Delay RAM
PLL
10
11
12
13 Controller Circuit
SDOACKSEL
L,R
LS,RS
C, LFE
ERAMUSE
14
P1
15
P2
16
P3
17
P4
1
P5
8
P11
9
P12
2-16
Coefficient
Program RAM
SDOBCKSEL SDOBCKSEL
External RAM
interface
Data RAM
SDBCK1
SDWCK1
SDOB0
SDOB1
SDOB2
SDOB3