CAT5221WI-25 datasheet(11/16 Pages) CATALYST

Part #	CAT5221WI-25

Description	Dual Digitally Programmable Potentiometer (DPP?? with 64 Taps and I2C Interface

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Manufacturer	CATALYST [Catalyst Semiconductor]

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11 / 16 page

CAT5221

11

Doc. No. MD-2113 Rev. K

Characteristics subject to change without notice

Figure 10. Increment/Decrement Timing Limits

INSTRUCTION FORMAT

Read Wiper Control Register (WCR)

DEVICE ADDRESSES

INSTRUCTION

DATA

S

T

A

R

T

0 1 0 1 A3 A2 A1 A0

A

C

K

1001 0 P0 00

A

C

K

7 6 5 4 3 2 1 0

A

C

K

S

T

O

P

Write Wiper Control Register (WCR)

DEVICE ADDRESSES

INSTRUCTION

DATA

S

T

A

R

T

0 1 0 1 A3 A2 A1 A0

A

C

K

1010 0 P0 00

A

C

K

7 6 5 4 3 2 1 0

A

C

K

S

T

O

P

Read Data Register (DR)

DEVICE ADDRESSES

INSTRUCTION

DATA

S

T

A

R

T

0 1 0 1 A3 A2 A1 A0

A

C

K

10 110 P0 R1 R0

A

C

K

7 6 5 4 3 2 1 0

A

C

K

S

T

O

P

Write Data Register (DR)

DEVICE ADDRESSES

INSTRUCTION

DATA

S

T

A

R

T

0 1 0 1 A3 A2 A1 A0

A

C

K

11 000 P0 R1 R0

A

C

K

7 6 5 4 3 2 1 0

A

C

K

S

T

O

P

SCL

SDA

RW

INC/DEC

Command

Issued

Voltage Out

tWRID

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