CAT5269WI-50 datasheet(11/16 Pages) CATALYST

Part #	CAT5269WI-50

Description	Dual Digitally Programmable Potentiometers (DPP?? with 256 Taps and 2-wire Interface

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Manufacturer	CATALYST [Catalyst Semiconductor]

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11 / 16 page

CAT5269

11

Doc. No. MD-2123 Rev. C

Characteristics subject to change without notice

Figure 10. Increment/Decrement Timing Limits

INSTRUCTION FORMAT

Read Wiper Control Register (WCR)

DEVICE ADDRESSES

INSTRUCTION

DATA

0 1 0 1 A A A A

1 0 0 1 0 0 P P

76 54321 0

S

T

A

R

T

3 2 1 0

A

C

K

1 0

A

C

K

A

C

K

S

T

O

P

Write Wiper Control Register (WCR)

DEVICE ADDRESSES

INSTRUCTION

DATA

0 1 0 1 A A A A

1 0 1 0 0 0 P P

7654321 0

S

T

A

R

T

3 2 1 0

A

C

K

1 0

A

C

K

A

C

K

S

T

O

P

Read Data Register (DR)

DEVICE ADDRESSES

INSTRUCTION

DATA

0 1 0 1 A A A A

1 0 1 1 R R P P

7654321 0

S

T

A

R

T

3 2 1 0

A

C

K

1 010

A

C

K

A

C

K

S

T

O

P

Write Data Register (DR)

DEVICE ADDRESSES

INSTRUCTION

DATA

0 1 0 1 A A A A

1 1 0 0 R R P P

7654321 0

S

T

A

R

T

3 2 1 0

A

C

K

1 010

A

C

K

A

C

K

S

T

O

P

SCL

SDA

RW

INC/DEC

Command

Issued

Voltage Out

tWRL

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CAT5269WI-50 Datasheet(PDF) 11 Page - Catalyst Semiconductor

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