It controls memy and
VO
lines via
7
ports:
InputlOutput port
2
Higher address bus: A8-A15
InputlOuput port
0
Lower addressldata bus: ADO-ADS
JnputlOutput port
3
RD (Read)
Read pulse for EPROM,
SRAM and IJO circuits.
R
(Write)
Wire pulse for SSRA
md VO circuits.
R/C ReadJconvert signal
from the MACU
board.
S'TS
From
A/D
converter on
the pcb MACU
HIGH
when conversion in
progress.
SUNCA Synchronizing pulse
from the chopper wheel.
S Plate carrier column
information
HIGH
when
positioned a column.
TXD TrmsmitdataofRS-232.
D
Receivedata of RS-232.
InpuriOutput port
1
PLATE ENA Enables plate carrier
motor driving.
PLATE CWICCW
Sets
plate carrier motor
driving direction.
ND
Plate carrier home
positiondetection, LOW
active.
CLK
M
f tepping motor clock
frequency.
S
Filter wheel position.
CTS
Clear to send of RS-232.
FILTER HONE
Filter wheel home
position, filter no
1
selected.
MULTISKAN RC and MS
ERVICE
MANUAL
InputlOutput porr
4
PLAEDET Enables plate carrier
position reading,
HIGH
active.
EU,mRDET Enables filter position
reading.
D
Controls red colour of
LED.
Controls green cotous
of
LED.
KTS
Requestto send ofRS-232.
GO-62
A/D
converter, gain bits
GO-G2.
InputiOuput port
5
XIS
TP
Test pin to synchronize
an oscilloscope, high
when measuring.
ADA0 Address selectiotl of
AID converter.
SOLENOID Pinhole plate solenoid.
CHO-CH2
Channel selection lines
for channels AX.
InputlOu@ut porr
6
RTSJCTS RTSJCTS handshaking
of RS-232 high is
off^
XONKOFF XONKOFF handshaking
of RS-232 high is off.
960012400 Baud selection of
high is 9600.
Document Release Section Page
3511352-100-~ 2.0
e
3
21
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