Sony RM-E700 - Submicrocomputer Port Functions

3-6.
SIRCS/LEARNING
MICROCOMPUTER
(CXP5116:
IC209
on
MC-67
Board)
PORT
FUNCTIONS
AND
INPUT/OUTPUT
LEVEL
| Pin No. | Signal 1/0 Function
i RDO 1/O
| | | Data line with S-RAM (IC210 on MC-67 board).
8 RD7 1/O
9 AO O
| | | Address line to S-RAM.
21 Al2 O \
22 CE O Chip enable to S-RAM.
WE O Write enable to S-RAM.
OE Oo Output enable to S-RAM.
Vss - GND terminal.
_ Not used.
=
27 DO I
| | | Data line from main microcomputer (IC206 on MC-67 board).
34 D7 I
BUSY O Busy signal to main microcomputer.
NG O NG signal to main microcomputer.
WwW
ney
bh rs
hh] ARTA
\o an
Aint n oO] 1 oO co};n
nal[n nan!)
5
5
~
58
wn \o
aN nN
>| eS
=|5
—1O
|
wn
WwW
ies
> °
< ~
n
CONT S
Not used.
O Control § signal output.
Not used.
Analog amplifier output.
Analog amplifier input.
External stop, Not used.
Not used.
Not used.
XTAL
v<] mo
n
m
|
RMO
VDD
~|o
n ca
lo uo
BK _
Hs
M
Not used.
Crystal connecting terminal for system clock oscillation.
Reset signal input.
Not used.
Remote control output.
Possitive power output terminal.
Data strobe.
Remote control input.
Not used.
3-7. SUBMICROCOMPUTER (CXP5084H: IC101, 103 on MC-67 Board)
PORT FUNCTIONS AND INPUT/OUTPUT LEVEL
Pin No.
Signal
1/0
Function
1
|
4
|
Not used.
al
Serial clock signal from main microcomputer (IC206 on MC-67 board).
Serial out signal to main microcomputer.
1/O Not used.
Lt
SI
KI1
KI4
KOl
wn
KO2
KO3
Serial in signal from main microcomputer.
Key scan signal input. 7
Key scan signal output.
Not used.
Not used.
a ae ee
‘Oo ;}eOmy}ynIT an Bi wy vn wo lao ;yraisin
N oO
> | o
_
Jog signal B.
Jog signal A.
ow n
;
—
N NO
w
Ne _
nN
nN
N N
BRE wl] ni
a w
B4
I
Shuttle signal 5.
Shuttle signal 1.
Shuttle signal 2.
Shuttle signal 3.
Shuttle signal 4.
GND terminal.
Not used
Possitive power output terminal.
Not used.
Crystal connecting terminal for system clock oscillation.
26 SSS
| |
57
59 =
60 XTAL O
61 EXTAL ise a
63
:
Reset signal input.
Not used.
Chip select signal from main microcomputer.