Emerson U40310001 - IC Pin Function Descriptions

1-15-1 H94X1PIN
IC PIN FUNCTION DESCRIPTIONS
IC501( SERVO / SYSTEM CONTROL IC )
“H” ≥ 4.5V, “L” ≤ 1.0V
Pins that have * in the Pin No. section on table below
are not used.
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level
1IN
P-DOWN
-L
Power Voltage Down
Detector Signal
L
2IN
REC-
SAF-SW
Recording Safety
SW Detect (With
Record tab = ”L”/
With out Record tab
= ”H”)
H/L
3INT-REEL
Take Up Reel
Rotation Signal
PULSE
4 - N.U. Not Used -
5IN
REMOTE
-VIDEO
Remote Control
Sensor
L
6 - N.U. Not Used -
7OUT
A-MUTE-
H
Audio Mute Control
Signal (Mute = “H”)
H
8 - N.U. Not Used -
9 - N.U. Not Used -
10 - N.U. Not Used -
11
OUT
TRICK-H
Special Playback=
“H”
H/Z/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
SP/LP/
SLP
Top Speed Select
Signal (SP=”L”/
LP=”Z”/SLP=”H”)
H/Z/L
15 - N.U. Not Used -
16 OUT
INSEL/
ST-SL
Input Selector
Control Signal (EE/
Rec)/Still/Slow
(Playback)
H/Hi-z
/L
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 OUT D-PB-L
Playback Instruction
Signal
L
24 OUT D-REC-H
Delayed Record
Signal
H
25 - N.U. Not Used -
26
OUT
DVD-
POWER
DVD Power Control
Signal
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 -
32 OUT OSCO
Main Clock Output
14.31818MHz
-
33 IN OSCI
Main Clock Input
14.31818MHz
-
34
-
VSS
VSS
35 IN XI
Sub Clock Input
32.768 MHz
-
36 OUT XO
Sub Clock Output
32.768 MHz
-
37 IN SXI
Operation Mode
Selecting Input
Signal
-
38 OUT
VIDEO-
OUT
Composite Video
Signal Output
-
39 - Vss2 Vss2 -
40 IN
VIDEO-
IN
Composite Video
Signal Input
41 IN C-SYNC
Composite
Synchronized Pulse
PULSE
42 - VDD2 VDD2 -
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 -
46
OUT
OUTPUT-
SELECT
Output Select
H/L
47 IN D-PFG
Drum PG/FG Input
Signal
PULSE
Pin
No.
IN/
OUT
Signal
Name
Function
Active
Level