Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.COM

X  

X9429WV14Z-2.7 Datasheet(PDF) 5 Page - Intersil Corporation

Part # X9429WV14Z-2.7
Description  Single Digitally Controlled Potentiometer
Download  21 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

X9429WV14Z-2.7 Datasheet(HTML) 5 Page - Intersil Corporation

  X9429WV14Z-2.7 Datasheet HTML 1Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 2Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 3Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 4Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 5Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 6Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 7Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 8Page - Intersil Corporation X9429WV14Z-2.7 Datasheet HTML 9Page - Intersil Corporation Next Button
Zoom Inzoom in Zoom Outzoom out
 5 / 21 page
background image
5
FN8248.2
October 19, 2005
RW/VW
The wiper outputs are equivalent to the wiper output of
a mechanical potentiometer.
Hardware Write Protect Input WP
The WP pin when low prevents nonvolatile writes to the
Data Registers.
PRINCIPLES OF OPERATION
The
X9429
is
a
highly
integrated
microcircuit
incorporating a resistor array and its associated
registers and counters and the serial interface logic
providing direct communication between the host and
the XDCP potentiometers.
Serial Interface
The X9429 supports a bidirectional bus oriented
protocol. The protocol defines any device that sends
data onto the bus as a transmitter and the receiving
device as the receiver. The device controlling the
transfer is a master and the device being controlled is
the slave. The master will always initiate data transfers
and provide the clock for both transmit and receive
operations. Therefore, the X9429 will be considered a
slave device in all applications.
Clock and Data Conventions
Data states on the SDA line can change only during
SCL LOW periods (tLOW). SDA state changes during
SCL HIGH are reserved for indicating start and stop
conditions.
Start Condition
All commands to the X9429 are preceded by the start
condition, which is a HIGH to LOW transition of SDA
while SCL is HIGH (tHIGH). The X9429 continuously
monitors the SDA and SCL lines for the start condition
and will not respond to any command until this
condition is met.
Stop Condition
All communications must be terminated by a stop
condition, which is a LOW to HIGH transition of SDA
while SCL is HIGH.
Acknowledge
Acknowledge is a software convention used to provide
a positive handshake between the master and slave
devices on the bus to indicate the successful receipt of
data. The transmitting device, either the master or the
slave, will release the SDA bus after transmitting eight
bits. The master generates a ninth clock cycle and
during this period the receiver pulls the SDA line LOW
to acknowledge that it successfully received the eight
bits of data.
The X9429 will respond with an acknowledge after
recognition of a start condition and its slave address
and once again after successful receipt of the
command byte. If the command is followed by a data
byte the X9429 will respond with a final acknowledge.
Array Description
The X9429 is comprised of a resistor array. The array
contains 63 discrete resistive segments that are
connected in series. The physical ends of the array
are equivalent to the fixed terminals of a mechanical
potentiometer (VH/RH and VL/RL inputs).
At both ends of the array and between each resistor
segment is a CMOS switch connected to the wiper
(VW/RW) output. Within each individual array only one
switch may be turned on at a time. These switches are
controlled by the Wiper Counter Register (WCR). The
six bits of the WCR are decoded to select, and enable,
one of sixty-four switches.
The WCR may be written directly, or it can be changed
by transferring the contents of one of four associated
Data Registers into the WCR. These Data Registers
and the WCR can be read and written by the host
system.
Device Addressing
Following a start condition the master must output the
address of the slave it is accessing. The most
significant four bits of the slave address are the device
type identifier (refer to Figure 1). For the X9429 this is
fixed as 0101[B].
Figure 1. Slave Address
The next four bits of the slave address are the device
address. The physical device address is defined by the
state of the A0, A2, and A3 inputs. The X9429 compares
the serial data stream with the address input state; a
successful compare of all three address bits is required
for the X9429 to respond with an acknowledge. The A0,
A2, and A3 inputs can be actively driven by CMOS input
signals or tied to VCC or VSS.
1
00
A3
A2
0
A0
Device Type
Identifier
Device Address
1
X9429


Similar Part No. - X9429WV14Z-2.7

ManufacturerPart #DatasheetDescription
logo
Intersil Corporation
X9429WV14Z-2.7 INTERSIL-X9429WV14Z-2.7 Datasheet
320Kb / 20P
   Single Digitally Controlled Potentiometer
October 13, 2008
logo
Renesas Technology Corp
X9429WV14Z-2.7 RENESAS-X9429WV14Z-2.7 Datasheet
835Kb / 21P
   Low Noise/Low Power/2-Wire Bus Single Digitally Controlled Potentiometer (XDCP??
More results

Similar Description - X9429WV14Z-2.7

ManufacturerPart #DatasheetDescription
logo
Intersil Corporation
X9428 INTERSIL-X9428 Datasheet
349Kb / 20P
   Single Digitally Controlled Potentiometer
logo
Xicor Inc.
X9111 XICOR-X9111 Datasheet
156Kb / 21P
   Single Digitally-Controlled Potentiometer
logo
Intersil Corporation
X9428 INTERSIL-X9428_06 Datasheet
315Kb / 21P
   Single Digitally Controlled Potentiometer
X9110TV14 INTERSIL-X9110TV14 Datasheet
309Kb / 18P
   Single Digitally-Controlled Potentiometer
February 13, 2008
X9119TV14I INTERSIL-X9119TV14I Datasheet
284Kb / 17P
   Single Digitally-Controlled Potentiometer
July 9, 2008
X9429WS16 INTERSIL-X9429WS16 Datasheet
320Kb / 20P
   Single Digitally Controlled Potentiometer
October 13, 2008
X9015 INTERSIL-X9015_06 Datasheet
244Kb / 11P
   Single Digitally Controlled Potentiometer
X9118TV14IZ INTERSIL-X9118TV14IZ Datasheet
400Kb / 17P
   Single Digitally-Controlled Potentiometer
April 9, 2014
X9271UV14IZ INTERSIL-X9271UV14IZ Datasheet
523Kb / 18P
   Single, Digitally Controlled Potentiometer
July 18, 2014
X9314WSIZ INTERSIL-X9314WSIZ Datasheet
222Kb / 8P
   Single Digitally Controlled Potentiometer
July 24, 2014
logo
Xicor Inc.
X9428 XICOR-X9428 Datasheet
580Kb / 20P
   Single Digitally Controlled Potentiometer
More results


Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21


Datasheet Download

Go To PDF Page


Link URL




Privacy Policy
ALLDATASHEET.COM
Does ALLDATASHEET help your business so far?  [ DONATE ] 

About Alldatasheet   |   Advertisement   |   Datasheet Upload   |   Contact us   |   Privacy Policy   |   Link Exchange   |   Manufacturer List
All Rights Reserved©Alldatasheet.com


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
Russian : Alldatasheetru.com  |   Korean : Alldatasheet.co.kr  |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com
Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl  |   Vietnamese : Alldatasheet.vn
Indian : Alldatasheet.in  |   Mexican : Alldatasheet.com.mx  |   British : Alldatasheet.co.uk  |   New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com  |   icmetro.com