Sony NWS-1510 Service Manual page 62

b) SCSI
to memory transfer
<Memory>
ROW address
input
ROW address
latched
COL address
latched
I
Data latched
l
End of write
cycle
NWS-1510/1530/1580
<Peripheral > <MEMC>
1
Repeats until DMAC
internal buffer is full
< DMAC >
DACK/I ORD
output
•
Data latched/
DACK/IORD
negated
< 1180
>
OREO output
...
07 -
0
output/
OREO negated
--
l
1-----t•~ OREO output
DMBR2 output
Memory arbitration ...
------------1
DMBG2 output - •
Address selector
t - 4 - - 1 - - - - - - - - - i i - - - - - - - t
Memory address
set to OMA output
H
WEM output
J-•o------+------------<.,
DMAS output
--
--
,
Address selector
set to COL
1
CAS decoder
output
..
•
RASO output ...-•----------;
•
CAS output
•
DMDSACK output
DMDSACK/
RAS/CAS/
DMBG2 negated
--
,
Data output
•
DMAS/
address/
DMBR2 negated
DACK/I ORD
output
--
-
' - - - - - - - - l l - ' " -
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