1-15-1
E9400PIN
IC PIN FUNCTION DESCRIPTIONS
[ VCR Section ]
IC501 ( SYSTEM CONTROL MICROPROCESOR )
“H”
≥
4.5V, “L”
≤
1.0V
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
1
IN
S-CS
Communication of
Select with Sub Micro
Controller
L
2
IN
REC-
SAF-SW
Recording Safety SW
Detect (With Record
tab = ”L”/ With out
Record tab = ”H”)
H
3
IN
T-REEL
Take Up Reel
Rotation Signal
PULSE
4
-
N.U.
Not Used
-
5
IN
REMOTE-
VIDEO
Remote Control
Sensor
L
6
IN
S-CLK
Communication of
Clock with Sub Micro
Controller
H/L
7
IN
S-DATA-
IN
Communication of
Data from Sub Micro
Controller
H/L
8
OUT
S-DATA-
OUT
Communication of
Data to Sub Micro
Controller
H/L
9
OUT
DISPLAY-
ENA
FL Display Driver IC
Enable Control
Output Signal
L
10 OUT
DISPLAY-
DATA
FL Display Driver IC
Data Control Output
Signal
H/L
11 OUT
DISPLAY-
CLK
FL Display Driver IC
Clock Control Output
Signal
H/L
12
IN/
OUT
IIC-BUS-
SDA
IIC BUS Control Data
H/L
13 OUT
IIC-BUS-
SCL
IIC BUS Control Clock
H/L
14 OUT YCA-SCL YCA IC Control Clock
H/L
15 OUT YCA-SDA YCA IC Control Data
H/L
16 OUT YCA-CS
YCA IC Control Chip
Select
H
17
-
N.U.
Not Used
-
18 OUT RF-SW
Video Head Switching
Pulse
H/L
19 OUT
D-V
SYNC
Dummy V-sync
Output
H/Hi-z
20
IN
RESET
System Reset Signal
(Reset=”L”)
L
21 OUT
LM-FWD/
REV
Loading Motor FWD/
REV Output
H/Z/L
22 OUT P-ON-L
Power On Signal to
Low
L
23
-
N.U.
Not Used
-
24 OUT D-REC-H
Delayed Record
Signal
H
25 OUT
HiFi-H-
SW
HiFi Audio Head
Switching Pulse
H/L
26 OUT
A-MUTE-
H
Audio Mute Control
Signal (Mute = “H”)
H
27 OUT C-F/R
Capstan Motor FWD/
REV Control Signal
(FWD=”L”/REV=”H”)
H/L
28 OUT C-CONT
Capstan Motor
Control Signal
PWM
29 OUT D-CONT
Drum Motor Control
Signal
PWM
30
-
N.U.
Not Used
-
31
-
VDD
VDD (AL+5V)
-
32 OUT OSCO
Main Clock Output
14.31818MHz
-
33
IN
OSCI
Main Clock Input
14.31818MHz
-
34
-
VSS
VSS (GND)
35
-
N.U.
Not Used
-
36
-
N.U.
Not Used
-
37
IN
SXI
Operation Mode
Selecting Input Signal
-
38 OUT
VIDEO-
OUT
Composite Video
Signal Output
-
39
-
Vss2
Vss2 (GND)
-
40
IN
VIDEO-
IN
Composite Video
Signal Input
-
41
IN
C-SYNC
Composite
Synchronized Pulse
PULSE
42
-
VDD2
VDD2 (AL+5V)
-
43
IN
AFCC
Low Path Filter Input
Signal For AFC
-
44 OUT AFCLPF
Low Path Filter Output
Signal For AFC
-
45
-
N.U.
Not Used
-
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
