Sony NWS-1510 Service Manual page 65

<CPU>
<MEMC> < CDECR > <PARK>
Keyboard/ mouse
data address
output
AS= "L"
PORT output
IOSEL output
IOBSEL/
Data output
Interrupt negated
CPD IOD
DSACKIO output
DSACKO
Data latched
AS= "H"
PORT negated
IOSEL negated
IOBSEL/
Data/
End of cycle
DSACKIO negated
3-38
NWS-1510/1530/1580