Philips DCC170/00 Service Manual page 65

262144 BIT
(s 12 X s l 2)
MEMORY
CELL ARRAY
SENSE SWITCH
&
Ar
Ar Ar A. 4,.
o Q502
pPD43256BGU-B1 2
S.RAM
A,
Af
A1
A.
A,
4, ,
Ar r
A,r
4 , .
. Q551
SAA2OOS SFCs
vo.
I
Uot
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GII J
ï
FlËlËl
s
t
,.lat. r:trl ÉR^TOR
TESTO
TESTI
STEREO SUE.BANO
FILTER PFOCESSOH
PASC
co0Ec
PROCESSOR
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sws
EASEBANO
SERIAL
INTEAFACE
E PEAK
OETECTOR
scL
FILTEREO
DATA
INTERFACE
L
SD AI
SOA2
t
o
lt
*l*
IECOP
lEC 958
OUTPUT
o
á
lt
P I N NO . NA M E
t /o
FU N C T ION
1 A14 Add r es s nput
2
A12 Add r es s nput
3 A7
Addr es s i nput
4 A 6
Add r es s nput
5 A5
Ad d res s n put
6 A 4 A dd res s nput
7
A3 A d d r es s n put
8
A2
A ddr es s i nput
I
A1
I
Add ress n put
10
A O
Add r es s n put
11
DO
t /o
D ata i nput output
12 D1
t /o
D ata i nput output
13 D 2
t/ o
D at a i nput output
14 Vs s G N D
15 D 3
t/ o
D ata i nput output
16
D4
t/ o
D ata i nput output
17 D 5
t/ o
D ata i nput out put
18 D6
t/ o
D ata i nput output
19 D7
t/ o
Data i nput output
20
C S C hi p sel ec t
21
410 A ddr es s i nput
22
O EN O utput enabl e i nout
23
Al l
Add r es s i n put
24 A9
Addr es s i nput
25
A 8 A ddres s i nput
'26
413
A dd r ess i n put
27 WEN Wri te enabl e i nput
2g
Vcc
Pow er s uppl y
Table 1 Revised Device Pi""
Piu
Nottre
T1rye
Fun
I
2
3
FDAI
rDCL
FDV'S
I
o
o
filtcred serial daa inpu
filtered data bit clock
filtered data word select
4
5
6
Ql.Rt 2
x220ur
X22IN
o
o
I
22.5792 TVÍEtr bulfered c.
22.5792 MEz XTAL oscj
22.5792 MEz XTAL osci
7
I
\rDD2
VSS2
positive supply (clock os
supply ground (clock osr
I
10
1 1
x240u"t
X24IN
CIJC24
o
I
o
24.576 MFÍz XTAI oscil
24.576 ÏlíTr- XTAL oscil
24.576 MEz buffered clo
L2
13
SfAIVDBY
RESET
I
I
device inactive
device resct
14
15
16
I,3DATA
I3CI.K
IsMODE
vo
I
I
I,3 interface serial data
I3 interface bitclock
I3 interface mode contn
L7
18
LTCNTO
LTCNTl
I
I
LT compatible intcrface
LT compatible interface
19
20
TESTO
TESTl
I
I
testmode select
testmode select
2L
22
23
24
25
26
URDA
SBDIR
SBDA
SBCt
SBWS
SBEF
I
I
vo
vo
vo
I
unreliable data fnrm dri
subband data directiou
subband serial data
sub-baad bit clock
sub-band word select
sub-band error flag from
27
28
VSSl
\TDDl
supply ground (logic)
positive supply (Iogic)
29 IECOP
o
IEC958 digital audio ou
30
31
32
DEEMDAC
ATTDAC
MI,IIEDAC
o
o
o
DAC control or general p
DAC coutrol or geoeral p
DAC control or general p
33
34
35
36
SDA2
SDAl
SCL
s\ils
o
vo
vo
vo
baseband serial data ouQ
basebaad serial daa to/fi
baseband bitclock
baseband word select
3?
38
x256
rs256
I
o
master audio clock input
naster audio clock at 256
39
40
VDDg
vsss
positive supply (FS256 pi
supply grouad (FS256 pit
41
u2
43
u
FDIR
SYNCDAI
FSYNC
FDAO
o
o
o
o
PASC mode encode/decod
rettings syncbronisation
subband 0 sanple s]tncb
filtcred serial data outpu
PCS 79 306
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