Philips DCC170/00 Service Manual page 64

. Q501
SAA3323 DRP
S CRIP TIO N
ritive supply voltage
sitive supply voltage
r t rol vo ltag e i nput 1
r t rol vo l ta g e input 2
n tr o l cu rr en t input
e re nce v o l ta g e out P u t
1s current resistor
s i ti ve s uppl y v ol tage
sitive supply voltage
;tor A write pulse output
c to r A wr ite pul s e outp u t
)t connected)
c to r A w rit e pul s e o utp u t
ctor A write pulse output
c to r A wr ite pul se outp u t
c to r A wr ite pul se out p u t
ctor A wiite pulse output
c to r A w r ite p uls e out p u t
ot connected)
ctor A write ptrlse output
ctor A rvrile prrlse oulput
ERCOSTAT
Prn No. Nrmo
Twc
Corunonl
I
sBws
l/O l mA Word coloct íor S8-l25 intrrfrcr
2
SBCL
l /O lm A
Bir clock íor SB-l2S intcrírcc
3 SEDA
I tO lm A Drtr
lino lor S8'l2S
intorírcr
a SBDIR
O l m A Dirccuon linc íor SB-|2S intcdrcs
5 SBMCLK
I
Mrctrr clock for SSI2S
intcdrcc
6 uRoA
O l m A
Unrrlirbb drtr
7 L3MODE Modc lino tor L3 intcdrcc
t L3CLK
I 8ir Oock lino íor L3 intorírcr
9 L3DATA
lrO 2rnA
Srdd drtr linc Íor L3 intcrfrcr
ro
L3INT O l m A L3 inrcrrupt outgut
ll
voor ? Digitrl +VDD
12
vssr
P
Digitd
grourÉ
l3
L3REF
O l mA
Lil bur rining rcfrrlncr
l.r RESET I Rort DRP chp
r 5
PII'RDWN I
hrt DRP into powrr óown modr
l6
cLr(24
I
21.57G
MHr clock ingut
r 7
AZCHK O l mA
chrnnd O rd chrnnrl 7 rzimrth monitor
r !
MCLÍ
O lmA
6.144 MHr olodr output
t9 PRGSTAT O lm A
TFE3 progrlrn rt.trr.
íor trrt or{y
20 ERCOSTAT O lm A ERCO rt n 3. lor trrt o:rly
2 l
OEN
O 2mA
OutDU! Enrblr íor RAM
22
AIO'RAS O 2mA Addrcrr SRAM: RAS DRAM
2 3
voD2
? Powrr didt.l +YDD
24
vss2
P
Powrr digitrl grourÉ
25
o7
lro /tmA
Drtr SRAM;
26 D6
lrO 4mA
Drtr SRAM;
27 D5
lrO 4mA Derr SRAM:
2E D.1
lrO /tmA
DTIT SRAM;
29 D3
lrO 4mA Drtr SRAM: Drrr DRAM
30
o2 lrO /fmA
Drrr SRAM; Drtr DRAM
3 l DI
lrO 4mA
Drtr SRAM; Drtr ORAM
32
VDDR
P
Powrr diit.l
+VOD íor RAM
33
vssR
P Powrr didt.l grorrÉ íor RAM
3.
DO
lrO tlmA
Drte SRAM: Drtr DRAM
35 A0
O 2mA
Addmr SRAM; Addmc ORAM
3 6
A I
O 2mA
Addrcg
SRAM; Addrcr DRAM
37 A2
O 2mA
Addmr SRAM;tOarorr DRAM
38
A3
O 2mA
Addrrr SRAM; Addrcrr ORAM
39
A.l
O 2mA
Addnrr SRAM; Addrcr DRAM
ttO
vss3
P Powcr digr.l grourÉ
this model.
Where: |
-
ingut, la = analogue input, ld =
l/O
-
bidirectional, O G output. tO
input with pull-down resistance, lh = hysteresis input,
r tri-State Output, p = pOwêÍ.
Pr n N o. Nlmc
Twc
Coruncnt
4 l
vDo3
?
Powcr digit.l
+ VDD
2 A5
O 2mA Addrur SRAM; Addrorr DRAM
43 A6
O 2mA Addrcsr SRAM; Addrcss DRAM
44
^7
O 2mA
Adóror SRAM; Aódrus
ORAM
45 Al2/ Pr nOS O 2mA
Addrccs
SRAM; Pon crptrÉcr outDur 5
46
Al4 /Pin Ol
O 2mA
Addrers SRAM; Pon crpendcr
output
I
47
Al 6/ Pin O 3
O 2mA
Addrcrr SRAM: Pon erprrÉrr output 3
48
AlS/PinO4
O 2mA
Addrcss
SRAM;
Pon oxprrÉc?
output
4
.9 WEN O 2mA
Writc rnrblc íor RAM
50
Al3/PinO2
O 2mA
Addrrrr SRAM: Pon rxprrÉrr
output 2
5r A8
O 2mA
Addr.rr
SRAM; Addrcm DRAM
52 vDo4
P
Powor digirrl +VDD
53 vss4
P Powrr
digitel
groulÉ
54
A9 /C AS
O 2mA
Add r cr SR AM : CAS ío r OR AM
55 Atl O 2mA Addrmr SRAM;
56 SPEED
r O lm A
fft/M ccprtan
control output íor dccl
57
PinO2/SPEEDB
r O lm A
Pon uparÉ.?
output 2 / n^rM c.prr.n
conrrol outgut íor dcck B
58 WDATA
O lm A
Sodel output to WRITE AMPUFIER
59 TCLOCK O lm A
3.072 MHr ctock ogtput Íor rrpc l/O
60
vssS
P
Powor digitrt grourÉ
6l
vooS
? Powcr digitrl + VDD
62
TEST2
ld
Trrt modc rclcct
63
ROMUX lr Andogruc mgr'rd ingut írom REAO AMP
64 VREFP
b
ADC rcícrcncr voltrgc P
65 VREFN b
AOC rcírrcnco voltrgc N
66
suEsTR
l. Subrtrrtc
conncction
67 BIAS
h
Birt currcnt íor ADC
68
vssA
P Andoguo grourÉ
69 VDDA
P
Aneloguc
+VDO
70 ANAEYE Or
Analogur cyc prttcÍn
output
7r
RDSYNC O lm A
Synchronizdion ourgut Íor REAO AMP
72 voD6
P Powcr digitrl +VDD
73
vss6
P
Powrr diit.l ground
74 CHTSTI O lm A Chrnnd rcst pan I
75 CHTST2
O lmA
Chrnncl rcrt
pin 2
76 TESTO
td
Tret modc rbct
77 TESTI rd
Trrt modc ralcct
78
PINI
I Pon rxgrlÉcr ingut
79
PIN OI O lm A
Pon cxpandcr
output I
80 SBEF
O lmA S8 -l2 S trr o r íl cA h n c
- 62 -
PCS 79 305