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參數資料
| 型號： | X9438YP24I |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數字電位計 |
| 英文描述： | VGA VIDEO CABLE 50 FT FF |
| 中文描述： | DUAL 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDIP24 |
| 封裝： | PLASTIC, DIP-24 |
| 文件頁數： | 5/18頁 |
| 文件大小： | 280K |
| 代理商： | X9438YP24I |
5
FN8199.0
March 11, 2005
Figure 3. Two-Byte Command Sequence
Figure 4. Three-Byte Command Sequence
The Increment/Decrement command is different from
the other commands. Once the command is issued
and the X9438 has responded with an acknowledge,
the master can clock the selected wiper up and/or
down in one segment steps; thereby, providing a fine
tuning capability to the host. For each SCL clock pulse
(t
HIGH
) while SDA is HIGH, the selected wiper will
move one resistor segment towards the V
H
terminal.
Similarly, for each SCL clock pulse while SDA is LOW,
the selected wiper will move one resistor segment
towards the V
L
terminal. A detailed illustration of the
sequence for this operation is shown in Figure 5.
Figure 5. Increment/Decrement Command Sequence
S
T
A
R
T
0
1
0
1
A3
A2
A1
A0
A
C
K
I3
I2
I1
I0
R1
R0
0
P0
A
C
K
SCL
SDA
S
T
O
P
S
T
A
R
T
0
1
0
1
A3 A2 A1 A0
A
C
K
I3
I2
I1
I0
0
P0 R1 R0 A
C
K
SCL
SDA
S
T
O
P
A
C
K
D5 D4 D3 D2
D1 D0
S
T
A
R
T
0
1
0
1
A3
A2
A1
A0
A
C
K
I3
I2
I1
I0
P1
P0
R1 R0
A
C
K
SCL
SDA
S
T
O
P
X
X
I
N
C
1
I
N
C
2
I
N
C
n
D
E
C
1
D
E
C
n
X9438
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相關代理商/技術參數 |
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|---|---|
| X9438YP24I-2.7 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| X9438YS24 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| X9438YS24-2.7 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| X9438YS24I | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
| X9438YS24I-2.7 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier |
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