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參數(shù)資料
| 型號(hào)： | X9401WV24Z-2.7 |
| 廠商： | INTERSIL CORP |
| 元件分類： | 數(shù)字電位計(jì) |
| 英文描述： | SWITCH |
| 中文描述： | QUAD 10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24 |
| 封裝： | 4.40 MM, ROHS COMPLIANT, TSSOP-24 |
| 文件頁數(shù)： | 5/20頁 |
| 文件大小： | 371K |
| 代理商： | X9401WV24Z-2.7 |
5
FN8190.2
September 23, 2005
Detailed Potentiometer Block Diagram
Write in Process
The contents of the Data Registers are saved to non-
volatile 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 opera-
tion can be monitored by a Write In Process bit (WIP).
The WIP bit is read with a Read Status command.
INSTRUCTIONS
Identification (ID) Byte
The first byte sent to the X9401 from the host, follow-
ing a CS going HIGH to LOW, is called the Identifica-
tion byte. The most significant four bits of the slave
address are a device type identifier, for the X9401 this
is fixed as 0101[B] (refer to Figure 1).
The two least significant bits in the ID byte select one
of four devices on the bus. The physical device
address is defined by the state of the A
0
- A
1
input
pins. The X9401 compares the serial data stream with
the address input state; a successful compare of both
address bits is required for the X9401 to successfully
continue the command sequence. The A
0
- A
1
inputs
can be actively driven by CMOS input signals or tied to
V
CC
or V
SS
.
The remaining two bits in the slave byte must be set to 0.
Figure 1. Identification Byte Format
Instruction Byte
The next byte sent to the X9401 contains the instruc-
tion and register pointer information. The four most
significant bits are the instruction. The next four bits
point to one of the four pots and, when applicable,
they point to one of four associated registers. The for-
mat is shown below in Figure 2.
Serial Data Path
From Interface
Circuitry
Register 0
Register 1
Register 2
Register 3
Serial
Bus
Input
Parallel
Bus
Input
Wiper
Counter
Register
(WCR)
INC/DEC
Logic
UP/DN
CLK
Modified SCL
UP/DN
V
H
/R
H
V
L
/R
L
V
W
/R
W
If WCR = 00[H] then V
W
/R
W
= V
L
/R
L
If WCR = 3F[H] then V
W
/R
W
= V
H
/R
H
8
6
C
o
u
n
t
e
r
D
e
c
o
d
e
(One of Four Arrays)
1
0
0
0
0
A1
A0
Device Type
Identifier
Device Address
1
X9401
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| X9401 | Low Noise/Low Power/SPI Bus |
| X9401YS24I-2.7 | Low Noise/Low Power/SPI Bus |
| X9401WV24 | SWITCH |
| X9401WV24-2.7 | SWITCH |
| X9401WV24I | SWITCH |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| X9401WV24ZT1 | 功能描述:IC XDCP QUAD 64-TAP 10K 24-TSSOP 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) |
| X9401YS24I-2.7 | 功能描述:IC XDCP QUAD 64-TAP 2.5K 24-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) |
| X9401YV24I-2.7 | 功能描述:IC XDCP QUAD 64-TAP 2.5K 24TSSOP 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) |
| X9408 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad Digitally Controlled (XDCP?) Potentiometers |
| X9408_09 | 制造商:INTERSIL 制造商全稱:Intersil Corporation 功能描述:Quad Digitally Controlled (XDCP?) Potentiometers |
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