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参数资料
| 型号： | X9428WP |
| 厂商： | INTERSIL CORP |
| 元件分类： | 数字电位计 |
| 英文描述： | 10K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDIP16 |
| 封装： | PLASTIC, DIP-16 |
| 文件页数： | 16/20页 |
| 文件大小： | 580K |
| 代理商： | X9428WP |
X9428
Characteristics subject to change without notice.
5 of 20
REV 1.1.5 7/8/03
www.xicor.com
The Increment/Decrement command is different from
the other commands. Once the command is issued
and the X9428 has responded with an acknowledge,
the master can clock the selected wiper up and/or
down in one segment steps; thereby, providing a ne
tuning capability to the host. For each SCL clock pulse
(tHIGH) while SDA is HIGH, the selected wiper will
move one resistor segment towards the VH/RH
terminal. Similarly, for each SCL clock pulse while SDA
is LOW, the selected wiper will move one resistor
segment towards the VL/RL 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:
(7) 1/0 = data is one or zero
Instruction
Instruction Set
Operation
I3
I2
I1
I0 R1 R0
X1
X0
Read Wiper Counter
Register
1
0
1
0
Read the contents of the Wiper Counter Register
Write Wiper Counter
Register
1
0
1
0
Write new value to the Wiper Counter Register
Read Data Register
1
0
1
1/0
0
Read the contents of the Data Register pointed to
by R1–R0
Write Data Register
1
0
1/0
0
Write new value to the Data Register pointed to by
R1–R0
XFR Data Register to
Wiper Counter Register
1
0
1
1/0
0
Transfer the contents of the Data Register pointed
to by R1–R0 to its Wiper Counter Register
XFR Wiper Counter
Register to Data Register
1
0
1/0
0
Transfer the contents of the Wiper Counter Register
to the Data Register pointed to by R1–R0
Increment/Decrement
Wiper Counter Register
0
1
0
1/0
Enable Increment/decrement of the Wiper Counter
Register
Figure 3. Two-Byte Instruction Sequence
S
T
A
R
T
0101
A3
A2
0
A0
A
C
K
I3
I2
I1
I0
R1
R0
0
A
C
K
SCL
SDA
S
T
O
P
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| X9428WP16I-2.7 | 功能描述:IC XDCP SGL 64-TAP 10K 16-DIP RoHS:否 类别:集成电路 (IC) >> 数据采集 - 数字电位器 系列:XDCP™ 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 接片:32 电阻（欧姆）:50k 电路数:1 温度系数:标准值 50 ppm/°C 存储器类型:易失 接口:3 线串行（芯片选择，递增，增/减） 电源电压:2.7 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 细型，TSOT-23-6 供应商设备封装:TSOT-23-6 包装:带卷 (TR) |
| X9428WP-2.7 | 制造商:INTERSIL 制造商全称:Intersil Corporation 功能描述:Single Digitally Controlled Potentiometer |
| X9428WPI | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:Single Digitally Controlled Potentiometer |
| X9428WPI-2.7 | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:Single Digitally Controlled Potentiometer |
| X9428WS | 制造商:XICOR 制造商全称:Xicor Inc. 功能描述:Single Digitally Controlled Potentiometer |
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