1-17-1
E4340PIN
IC PIN FUNCTION DESCRIPTIONS
< VCR Section >
IC4501 (MICROCONTROLLER)
“H”
≥
4.5 V, “L”
≤
1.0 V
Pin
No.
IN/
OUT
Signal
Name
Function
1
IN
S-CS
Sub Micro Controller
Interface Chip Select Signal
Input
2
IN
REC-SAF-
SW
Recording Safety SW
Detect (With Record tab =
“L”/ With out Record tab =
“H”)
3
IN
T-REEL
Take Up Reel Rotation
Signal
4
-
NU
Not Used
5
IN
REMOTE-
VIDEO
Remote Control Sensor
6
IN
S-CLOCK
Communication of Clock
with Micro Controller
7
IN
S-DATA-IN Communication of Data to
Micro Controller
8
OUT
S-DATA-
OUT
Communication of Data
from Micro Controller
9
OUT
DISPLAY-
ENA
FL Display Driver IC
Enable Control Output
Signal
10
OUT
DISPLAY-
DATA
FL Display Driver IC Data
Control Output Signal
11
OUT
DISPLAY-
CLK
FL Display Driver IC Clock
Control Output Signal
12
IN/
OUT
IIC-BUS
SDA
IIC BUS Control Data
13
OUT
IIC-BUS
SCL
IIC BUS Control Clock
14
OUT YCA-SCL
YCA IC Control Clock
15
OUT YCA-SDA
YCA IC Control Data
16
OUT YCA-CS
YCA IC Control Chip Select
17
-
NU
Not Used
18
OUT RF-SW
Video Head Switching
Pulse
19
OUT D-V SYNC Dummy V-sync Output
20
IN
RESET
System Reset Signal
(Reset=“L”)
21
OUT
LM-FWD/
REV
Loading Motor FWD/ REV
Output
22
OUT P-ON-L
Power On Signal to Low
23
-
NU
Not Used
24
OUT D-REC-H
Delayed Record Signal
25
OUT
Hi-Fi-H-
SW
Hi-Fi Audio Head
Switching Pulse
26
OUT
AUDIO-
MUTE-H
Audio Mute Control Signal
27
OUT C-F/R
Capstan Motor FWD/REV
Control Signal (FWD=”L”/
REV=”H”)
28
OUT C-CONT
Capstan Motor Control
Signal
29
OUT D-CONT
Drum Motor Control Signal
30
-
NU
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
-
NU
Not Used
36
-
NU
Not Used
37
IN
SXI
Operation Mode Selecting
Input Signal
38
OUT
VIDEO-
OUT
Composite Video Output
Signal
39
-
VSS2
Vss2
40
IN
VIDEO-IN
Composite Video Input
Signal
41
IN
C-SYNC
Composite Synchronized
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
-
NU
Not Used
46
-
NU
Not Used
47
IN
D-PFG
Drum PG/FG Input Signal
48
-
NU
Not Used
49
IN
C-FG
Capstan Motor Rotation
Detection Pulse
50
-
AFG
GND
51
OUT VRO
Servo Standard Voltage
Output
Pin
No.
IN/
OUT
Signal
Name
Function