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參數(shù)資料
| 型號(hào)： | UPD6465CS |
| 廠商： | NEC Corp. |
| 英文描述： | ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
| 中文描述： | 屏幕字符顯示的CMOS大規(guī)模集成電路的12線，24柱甲板型錄像機(jī) |
| 文件頁(yè)數(shù)： | 4/52頁(yè) |
| 文件大?。?/td> | 570K |
| 代理商： | UPD6465CS |
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μ
PD6464A,6465
4
PIN FUNCTIONS
No.
Symbol
Pin Name
1
CLK
Clock input
2
CS
Chip select input
3
DATA
Serial data input
4
V
DD
Power supply
5
OSC
OUT
LC oscillation output
6
OSC
IN
LC oscillation input
7
PCL
Power-ON clear
8
GND
Ground
9
FSCI
f
SC
signal input
10
FSCO
Frequency error output
11
XOSO
Quadruple oscillation output
12
XOSI
Quadruple oscillation input
13
V
C
Character signal output
14
V
BLK
Blanking signal output
15
HSYO
Horizontal synchronization signal
output
16
VSYO
Vertical synchronization signal
output
17
CSYIN
Composite synchronization signal
input
18
N. C.
Non connection
19
TEST
Test pin
20
NRE
Noise reduction constant append
21
VBSO
Composite video signal output
22
SECAM
SECAM subcarrier input
23
V
CNT
Video signal output level adjust-
ment
24
VBSI
Composite video signal input
Function
Inputs clock for data read. Data input to the DATA pin is read at
the rising edge of the clock input to this pin.
Serial transfer can be acknowledged by making this CS pin low.
Inputs control data. Data is read in synchronization with the clock
input to the CLK pin.
Supplies power to the IC.
These are input and output pins of an oscillator that generates
dot clocks. Connect a coil and a capacitor to these pins for
oscillation.
Power-ON clear pin. Make this pin high on power application. It
initializes the internal circuitry of the IC.
Ground pin of the IC.
In case of the
×
4 multiplier, the color sub-carrier (f
SC
) is input to
this pin. In case of the 4f
SC
Crystal oscillation, connect this pin to
GND or V
DD
.
The frequency error signal of the
×
4 multiplier is output to this
pin. In case of the 4f
SC
Crystal oscillation, this pin should be
open.
A quadruple oscillation LC for internal video signal generation is
connected to these pins. A crystal oscillator can also be
connected.
Character signal output pin. Positive signal output.
This pin outputs a blanking signal that cuts the video signal. It
corresponds to the output of V
C
. Positive signal output.
Outputs a horizontal synchronization signal separated from a
composite synchronization signal.
Outputs a vertical synchronization signal separated from a
composite synchronization signal.
A composite synchronization signal is input to this pin for
synchronization signal separation. In case of the external signal
mode, input the signal certainly. Input a positive synchronization
signal.
Non connection. Leave this pin open.
Test mode select pin. Connect this pin to GND.
Constant append pin for noise reduction.
Outputs a composite video signal mixing a character signal.
SECAM sub-carrier signal mixing pin. In cases of any system
except for SECAM, this pin should be open.
Adjusts the output level of the composite video signal and
luminance signal.
Inputs a composite video signal. Inputs a signal with the leading
edge clamped, consisting of a negative synchronization signal
and a positive video signal.
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| UPD6465GT | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS LSI FOR 12-LINE, 24-COLUMN DECK-TYPE VCR |
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| UPD6466GS | 制造商:NEC 制造商全稱(chēng):NEC 功能描述:ON-SCREEN CHARACTER DISPLAY CMOS IC FOR 512-CHARACTER, 12-ROW, 24-COLUMN, CAMERA-CONTAINED VCR |
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