NAD L76 Service Manual page 22

PIN ASSIGNMENT.(IC35: CS493264-CL)
DGND1
AUDATA3, XMT958
WR,DS,EMWR,GPIO10
RD,R/W,EMOE,GPIO11
A1,SCDIN
A0,SCCLK
DATA7,EMAD7,GPIO7
DATA6,EMAD6,GPIO6
DATA5,EMAD5,GPIO5
DATA4,EMAD4,GPIO4
DGND2
DATA3,EMAD3,GPIO3
DATA2,EMAD2,GPIO2
DATA1,EMAD1,GPIO1
DATA0,EMAD0,GPIO0
SCDIO,SCDOUT,PSEL,GPIO9
ABOOT,INTREQ
EXTMEM,GPIO8
SDATAN1
BlOCK DIAGRAM(IC35: CS493264-CL)
RESET
CMPDAT
SDATAN2
Compressed
CMPCLK
Data Input
SCLKN2
Interface
CMPREQ
LRCLKN2
SCLKN1
Digital
STCCLK2
Audio
LRCLKN1
Input
SDATAN1
Interface
CLKIN
PLL
Clock Manager
CLKSEL
FILTD FILTS
VD1
6 5 4 3 2 1 44 43 42 41 40
7
8
9
10
CS493XX-CL
11
44-pin PLCC
12
VD2
13
14
15
16
17
18 19 20 21 22 23 24 25 26 27 28
CS
RD,
DATA7:0,
R/W,
EMAD7:0,
EMOE,
CS
GPIO7:0
GPIO11 GPIO10
Framer
Shifter
Input
Buffer
Controller
RAM
Program
Memory
RAM Input
ROM
Buffer
Program
Memory
VA AGND DGND(3:1)
39
38
37
36
35
34
33
Top View
32
31
30
29
WR, SCDIO,
DR, SCDOUT,
A0,
EMWR, PSEL,
SCCLK SCDIN
GPIO9
Parallel or Serial Host Interface
24-Bit
DSP Processing
RAM
Data
Memory
RAM
Output
ROM
Buffer
Data
Memory
STC
VD(3:1)
2-15
MCLK
SCLK
LRCLK
AUDATA0
AUDATA1
AUDATA2
DC
DD
RESET
AGND
VA
FILT1
FILT2
CLKSEL
CLKIN
CMPREQ,LRCLKN2
CMPCLK,SCLKN2
CMPDAT,SCLKN2,RCV958
LRCLKN1
SCLKN1,STCCLK2
DGND3
VD3
A1, A800T EXTMEM.
INTERQ GPIO8
Output
Formatter
DD
DC
MCLK
SCLK
LRCLK
AUDA
XMT95