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參數(shù)資料
| 型號： | X9258UV24Z-2.7 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Quad Digital Controlled Potentiometers |
| 中文描述： | QUAD 50K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24 |
| 封裝： | 4.40 MM, ROHS COMPLIANT, TSSOP-24 |
| 文件頁數(shù)： | 6/20頁 |
| 文件大?。?/td> | 334K |
| 代理商： | X9258UV24Z-2.7 |
6
FN8168.4
August 30, 2006
Figure 3. Two-Byte Instruction Sequence
The Increment/Decrement command is different from
the other commands. Once the command is issued
and the X9258 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
/R
L
terminal. A detailed illustration of
the sequence and timing for this operation are shown
in Figures 5 and 6 respectively.
Table 1. Instruction Set
Note:
(1) 1/0 = data is one or zero
S
T
A
R
T
0
1
0
1
A3
A2
A1
A0
A
C
K
I3
I2
I1
I0
R1
R0
P1
P0
A
C
K
SCL
SDA
S
T
O
P
Instruction
Read Wiper Counter
Register
Write Wiper Counter
Register
Read Data Register
Instruction Set
I
1
I
0
0
1
Operation
I
3
1
I
2
0
R
1
0
R
0
0
P
1
1/0
P
0
1/0
Read the contents of the Wiper Counter Register
pointed to by P
1
- P
0
Write new value to the Wiper Counter Register
pointed to by P
1
- P
0
Read the contents of the Data Register pointed
to by P
1
- P
0
and R
1
- R
0
Write new value to the Data Register pointed to
by P
1
- P
0
and R
1
- R
0
Transfer the contents of the Data Register pointed
to by P
1
- P
0
and R
1
- R
0
to its associated Wiper
Counter Register
Transfer the contents of the Wiper Counter Reg-
ister pointed to by P
1
- P
0
to the Data Register
pointed to by R
1
- R
0
Transfer the contents of the Data Registers
pointed to by R
1
- R
0
of all four pots to their re-
spective Wiper Counter Registers
Transfer the contents of both Wiper Counter
Registers to their respective data Registers
pointed to by R
1
- R
0
of all four pots
Enable Increment/decrement of the Control Latch
pointed to by P
1
- P
0
1
0
1
0
0
0
1/0
1/0
1
0
1
1
1/0
1/0
1/0
1/0
Write Data Register
1
1
0
0
1/0
1/0
1/0
1/0
XFR Data Register to
Wiper Counter Register
1
1
0
1
1/0
1/0
1/0
1/0
XFR Wiper Counter
Register to Data
Register
Global XFR Data
Registers to Wiper
Counter Registers
Global XFR Wiper
Counter Registers
to Data Register
Increment/Decrement
Wiper Counter Register
1
1
1
0
1/0
1/0
1/0
1/0
0
0
0
1
1/0
1/0
0
0
1
0
0
0
1/0
1/0
0
0
0
0
1
0
0
0
1/0
1/0
X9258
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| X9260TS24IZ | Dual Digitally-Controlled Potentiometers |
| X9260TS24IZ-2.7 | Dual Digitally-Controlled Potentiometers |
| X9260US24-2.7 | Dual Digitally-Controlled Potentiometers |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X9258UZ24 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DIGITAL POTENTIOMETER|CMOS|BGA|24PIN|PLASTIC |
| X9258UZ24-2.7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DIGITAL POTENTIOMETER|CMOS|BGA|24PIN|PLASTIC |
| X9258UZ24I | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DIGITAL POTENTIOMETER|CMOS|BGA|24PIN|PLASTIC |
| X9258UZ24I-2.7 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:DIGITAL POTENTIOMETER|CMOS|BGA|24PIN|PLASTIC |
| X9259 | 制造商:XICOR 制造商全稱:Xicor Inc. 功能描述:Quad Digitally-Controlled (XDCP) Potentiometers |
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