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參數(shù)資料
| 型號(hào)： | X9420WPM-2.7 |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | Single Digitally Controlled (XDCP) Potentiometer |
| 中文描述： | 單數(shù)控（數(shù)字電位器）電位 |
| 文件頁(yè)數(shù)： | 4/20頁(yè) |
| 文件大?。?/td> | 113K |
| 代理商： | X9420WPM-2.7 |
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X9420
Characteristics subject to change without notice.
4 of 20
REV 1.1.6 7/30/02
www.xicor.com
Write in Process
The contents of the Data Registers are saved to
nonvolatile memory when the CS pin goes from LOW
to HIGH after a complete write sequence is received by
the device. The progress of this internal write operation
can be monitored by a Write In Process bit (WIP). The
WIP bit is read with a Read Status command.
INSTRUCTIONS
Address/Identification (ID) Byte
The first byte sent to the X9420 from the host, following
a CS going HIGH to LOW, is called the Address or
Identification byte. The most significant four bits of the
slave address are a device type identifier, for the
X9420 this is fixed as 0101[B] (refer to Figure 2).
The least significant bit in the ID byte selects one of
two devices on the bus. The physical device address is
defined by the state of the A
compares the serial data stream with the address input
state; a successful compare of the address bit is
required for the X9420 to successfully continue the
command sequence. The A
driven by a CMOS input signal or tied to V
0
input pin. The X9420
0
input can be actively
CC
or V
SS
.
The remaining three bits in the ID byte must be set to
110.
Figure 2. Address/Identification Byte Format
Instruction Byte
The next byte sent to the X9420 contains the
instruction and register pointer information. The four
most significant bits are the instruction. The next two
bits point to one of four data registers. The format is
shown below in Figure 3.
Figure 3. Instruction Byte Format
1
0
0
1
1
0
A0
Device Type
Identifier
Device Address
1
I1
I2
I3
I0
R1
R0
0
0
Register
Select
Instructions
Figure 1. Detailed Potentiometer Block Diagram
Serial Data Path
From Interface
Circuitry
Register 0
Register 1
REGISTER 2
REGISTER 3
Serial
Bus
Input
Parallel
Bus
Input
Counter
Register
(WCR)
INC/DEC
Logic
UP/DN
CLK
Modified SCK
UP/DN
V
H
V
L
V
W
8
6
C
O
U
N
T
E
R
D
E
C
O
D
E
IF WCR = 00[H] THEN V
W
= V
L
IF WCR = 3F[H] THEN V
W
= V
H
Wiper
相關(guān)PDF資料 |
PDF描述 |
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| X9420WS-2.7 | Single Digitally Controlled (XDCP) Potentiometer |
| X9420WSI | Single Digitally Controlled (XDCP) Potentiometer |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X9420WS | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Single Digitally Controlled (XDCP) Potentiometer |
| X9420WS16 | 功能描述:IC DIGITAL POT 10K 64TP 16SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標(biāo)準(zhǔn)包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 ±300 ppm/°C 存儲(chǔ)器類型:非易失 接口:I²C（設(shè)備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°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) |
| X9420WS161Z-2.7 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Intersil Corporation 功能描述: |
| X9420WS16-2.7 | 功能描述:IC DIGITAL POT 10K 64TP 16SOIC RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:XDCP™ 標(biāo)準(zhǔn)包裝:2,500 系列:XDCP™ 接片:256 電阻（歐姆）:100k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 ±300 ppm/°C 存儲(chǔ)器類型:非易失 接口:I²C（設(shè)備位址） 電源電壓:2.7 V ~ 5.5 V 工作溫度:0°C ~ 70°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) |
| X9420WS16-2.7T1 | 功能描述:IC XDCP SGL 64-TAP 10K 16-SOIC RoHS:否 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:32 電阻（歐姆）:50k 電路數(shù):1 溫度系數(shù):標(biāo)準(zhǔn)值 50 ppm/°C 存儲(chǔ)器類型:易失 接口:3 線串行（芯片選擇，遞增，增/減） 電源電壓:2.7 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-6 細(xì)型，TSOT-23-6 供應(yīng)商設(shè)備封裝:TSOT-23-6 包裝:帶卷 (TR) |
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