X9258TS24I datasheet(10/22 Pages) XICOR

Part #	X9258TS24I

Description	Quad Digital Controlled Potentiometers (XDCP)

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Manufacturer	XICOR [Xicor Inc.]

Direct Link	http://www.xicor.com

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10 / 22 page

X9258

Characteristics subject to change without notice.

10 of 22

REV 1.1.7 2/4/03

www.xicor.com

Write Data Register (WR)

XFR Data Register (DR) to Wiper Counter Register (WCR)

XFR Wiper Counter Register (WCR) to Data Register (DR)

Increment/Decrement Wiper Counter Register (WCR)

Global XFR Data Register (DR) to Wiper Counter Register (WCR)

Global XFR Wiper Counter Register (WCR) to Data Register (DR)

S

T

A

R

T

device type

identifier

device

addresses

S

A

C

K

instruction

opcode

DR and WCR

addresses

S

A

C

K

Data Byte

(sent by master on SDA)

S

A

C

K

S

T

O

P

HIGH-VOLTAGE

WRITE CYCLE

0101

A

3

A

2

A

1

A

0

1100

R

1

R

0

P

1

P

0

W

P

7

W

P

6

W

P

5

W

P

4

W

P

3

W

P

2

W

P

1

W

P

0

S

T

A

R

T

device type

identifier

device

addresses

S

A

C

K

instruction

opcode

DR and WCR

addresses

S

A

C

K

S

T

O

P

0101

A

3

A

2

A

1

A

0

1101

R

1

R

0

P

1

P

0

S

T

A

R

T

device type

identifier

device

addresses

S

A

C

K

instruction

opcode

DR and WCR

addresses

S

A

C

K

S

T

O

P

HIGH-VOLTAGE

WRITE CYCLE

0101

A

3

A

2

A

1

A

0

1110

R

1

R

0

P

1

P

0

S

T

A

R

T

device type

identifier

device

addresses

S

A

C

K

instruction

opcode

WCR

addresses

S

A

C

K

increment/decrement

(sent by master on SDA)

S

T

O

P

0101

A

3

A

2

A

1

A

0

0010

0

P

1

P

0

I/

D

I/

D

....

I/

D

I/

D

S

T

A

R

T

device type

identifier

device

addresses

S

A

C

K

instruction

opcode

DR

addresses

S

A

C

K

S

T

O

P

0101

A

3

A

2

A

1

A

0

0001

R

1

R

0

00

S

T

A

R

T

device type

identifier

device

addresses

S

A

C

K

instruction

opcode

DR

addresses

S

A

C

K

S

T

O

P

HIGH-VOLTAGE

WRITE CYCLE

0101

A

3

A

2

A

1

A

0

1000

R

1

R

0

00

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X9258TS24I Datasheet(PDF) 10 Page - Xicor Inc.

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