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IC PIN FUNCTION DESCRIPTIONS
[ VCR Section ]
Comparison Chart of Models and Marks
Model
DVC860E
DVC840E
DVC845E
EWD2204
IC501( SERVO / SYSTEM CONTROL IC )
Pin
IN/
Signal
Mark
No.
OUT
Name
P-DOWN
1
IN
-L
REC-
2
IN
SAF-SW
3
IN T-REEL
4
-
N.U.
IN REMOTE-
5
VIDEO
DISPLAY-
A
OUT
CLK
6
B,C,D
-
N.U.
A-MUTE-
7
OUT
H
DISPLAY-
A
OUT
DATA
8
B,C,D
-
N.U.
DISPLAY-
A
OUT
ENA
9
B,C,D
-
N.U.
10
-
N.U.
11
-
N.U.
IN/
IIC-BUS-
12
OUT
SDA
Mark
A
B
C
D
"H" ≥ 4.5V, "L" ≤ 1.0V
Active
Function
Level
Power Voltage
Down Detector
L
Signal
Recording
Safety SW
Detect (With
Record tab =
H/L
"L"/ With out
Record tab =
"H")
Take Up Reel
Rotation
PULSE
Signal
Not Used
-
Remote
L
Control Sensor
7seg. Driver IC
Clock Control
H/L
Output Signal
Not Used
-
Audio Mute
Control Signal
H
(Mute = "H")
7seg. Driver IC
Data Control
H/L
Output Signal
Not Used
-
7seg. Driver IC
Enable Control
L
Output Signal
Not Used
-
Not Used
-
Not Used
-
IIC BUS
H/L
Control Data
1-14-1
Pin
IN/
Signal
Mark
No.
OUT
Name
OUT IIC-BUS-
13
SCL
14
OUT YCA-SCL
OUT YCA-SDA YCA IC
15
16
OUT YCA-CS
17
-
N.U.
18
OUT RF-SW
D-V
19
OUT
SYNC
20
IN RESET
LM-FWD/
21
OUT
REV
22
OUT P-ON-L
23
-
N.U.
24
OUT D-REC-H
OUT HiFi-H-
A
SW
25
B,C,D
-
N.U.
OUT DVD-
26
POWER
27
OUT C-F/R
28
OUT C-CONT
29
OUT D-CONT
30
-
N.U.
31
-
VDD
32
OUT OSCO
Active
Function
Level
IIC BUS
H/L
Control Clock
YCA IC
H/L
Control Clock
H/L
Control Data
YCA IC
Control Chip
H/L
Select
Not Used
-
Video Head
Switching
H/L
Pulse
Dummy V-
H/Hi-z
sync Output
System Reset
Signal
L
(Reset="L")
Loading Motor
FWD/ REV
H/Z/L
Output
Power On
L
Signal to Low
Not Used
-
Delayed
H
Record Signal
HiFi Audio
Head
H/L
Switching
Pulse
Not Used
-
DVD Power
H
Control Signal
Capstan Motor
FWD/REV
Control Signal
H/L
(FWD="L"/
REV="H")
Capstan Motor
PWM
Control Signal
Drum Motor
PWM
Control Signal
Not Used
-
VDD
-
Main Clock
Output
-
14.31818MHz
H9600PIN
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