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參數(shù)資料
| 型號(hào)： | KA8334B |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | Servo Controller for VCR(錄像機(jī)的伺服控制器) |
| 中文描述： | 伺服控制器錄像機(jī)（錄像機(jī)的伺服控制器） |
| 文件頁(yè)數(shù)： | 8/34頁(yè) |
| 文件大?。?/td> | 177K |
| 代理商： | KA8334B |
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KA8334B Servo Controller for VCR
PIN DESCRIPTIONS
( Continued )
Input/Output form
34
35
36
37
38
39
40
41
42
43
45
44
46
47
48
49
50
Duty I/O
2 value input/output, pull - up. note) Refer to
X
ISS-VASS
H
L
At Duty mode
Data= Duty=60%
Data= Duty=27%
At VISS mode
VISS undetection
VISS detection
FSC1 OUT
FSC1 IN
FSC2 IN
N.C
Power on reset
REF 30
VFF
AFF
EFF
HA-SLT
VP
Composite
Sync.
ENV-DET
SUB-H
Serial Data
Serial CLK
The internal OSC. block & the external OSC. block is
selected by serial data. Built-in clock amp for int osc : gain > 20
±
The external OSC. block senstivity
150mV.
GND Connected.
Connects the capacitor ( 0.047uF).
Servo reference signal
Video head switching pulse
Audio head switching pulse
Extra head switching pulse
4-head amp select output
Quasi V-pulse 3 value output
2 value input : Digital input
At PB mode, synchronizes to internal reference,
at REC, INST, ASB mode, separated and synchronizes to V sync.
2 value input
Envelop detect input. note) Attention to 4-head logic timing
2 value input
4-head changing logic support input.
2 value input ( schmitt )
Pull-up resistor = 9 Kohm. Note) Refer to serial input
2 value input ( Schmitt )
Pull-up Resistor = 9 Kohm Note) Refer to serial input
34
9K
Pin No
Function
Descriptions
ASB Mark
No mark, Duty=60%
Mark, Duty=70%
46
1.8V ~ 2.8V
28K
47
9K
9K
44
18K
18K
9
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