Sony RM-E700 - Main Microcomputer Port Functions and Input;Output Level

3-4. MAIN MICROCOMPUTER (CXP80116: IC206 on MC-67 Board)
PORT FUNCTIONS AND INPUT/OUTPUT LEVEL
oe
Pin
No.
Signal
|
1/0
Function
ra
——
:
Not
used.
2
_
Not used.
are
:
:
3
CSP
O
Chip
select
signal
to
LANC
IC
(1C204
on
MC-67
board)
of
PB
side.
soec16
|
CLKP
oO
Clock
signal
to LANC
IC
of
PB
side.
SEE
ane
OL
[|
5
SOP
O
Serial
OUT
signal
to
LANC
IC
of
PB
side.
6
|
CSR
1
O
Chip
select
signal
to
LANC
IC
(IC207
on
MC-67
board)
of
REC
side.
7
CLKR
O
Clock
signal
to
LANC
IC
of
REC
side.
=
ot
Bic205)
8
SOR
Oo
Serial
OUT
signal
to
LANC
IC
of
REC
side.
a
=
9
RESET
O
Reset
signal
to
LANC
IC
of
REC/PB.
'
oe
te
10
DST
oO
DST
signal
to
SIRCS/learning
microcomputer
(IC209
on
MC-67
board).
11
=i
D7
O
|
|
|
Data
signal
to
SIRCS/learning
microcomputer.
1C103
3
a
18
|
DO
oO
|
\
2
=
19
NG
I
NG
signal
from
SIRCS/learning
microcomputer.
z
=
20
BUSY
I
BUSY
signal
from
SIRCS/learning
microcomputer.
_
re
21
RQR
I
Request
signal
from
LANC
IC
of
REC
side.
Stor)
22
SIR
I
Serial
IN
signal
from
LANC
IC
of
REC
side.
23
RQP
I
Request
signal
from
LANC
IC
of
PB
side.
I
(See
page
85)
(See
page
85)
24
SIP
I
Serial
IN
signal
from
LANC
IC
of
PB
side.
RC-45
Geo
(ese
Wess
BOARD
(272)
|
z=
45
E
DATA
1/0
Input/output
of
data
signal
with
EEPROM
(IC201—203,
205
on
ra
;
cna
POWER
LUN
SWO!
f
POWER
6V_
I
MC-67
board).
scan
cee
26
E
CLK
O
Clock
signal
to
EEPROM.
even
sv
—>
[ROR
SOFY
sos.
os
———
;
£
L
—
27
KOO
O
oS
oH
|
|
|
Key
scan
signal
output.
ANALOG
5V
TERE)
....
—
7
a
orerTaL
sv
ec
MP
I
Microprocessor
mode
select
terminal,
H:
Microprocessor
mode.
es
]
|
0507-508
RST
I
Reset
signal
input.
1
=H
|
sete
Vss
—
GND
O
veneer
@
+——
a
a
a
a
ee
XTAL
oO
Crystal
connecting
terminal
for
system
clock
oscillation.
EXTAL
I
R
LANC/LANCY
I
Discrimination
signal
from
NORMAL/PRECISION
L
SW
on
video
recording
side.
Serial
signal
from
submicrocomputer
(IC101,
103
on
MC-67
board),
SI
I
CG
control
microcomputer
(IC
102
on
MC-67
board),
LCD
driver
of
IC
(ICO01,
002
on
LC-23
board),
so
O
Serial
signals
to submicrocomputer,
CG
control
microcomputer
and
LCD driver IC.
_35—
—36—