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參數(shù)資料
| 型號(hào)： | X9258US24IZ |
| 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 100K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24 |
| 封裝： | 0.300 INCH, ROHS COMPLIANT, PLASTIC, MS-013ADC, SOIC-24 |
| 文件頁(yè)數(shù)： | 6/20頁(yè) |
| 文件大?。?/td> | 334K |
| 代理商： | X9258US24IZ |
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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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| X9258US24IZ-2.7 | 功能描述:IC DGTL POT QUAD 100K 24SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類型:易失 接口:6 線串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9258US24IZ-2.7T1 | 功能描述:IC DGTL POT QUAD 100K 24SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類型:易失 接口:6 線串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| X9258US24IZ-2.7T2 | 功能描述:IC DGTL POT QUAD 100K 24SOIC RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類型:易失 接口:6 線串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
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