DS1881 查看數據表（PDF） - Maxim Integrated

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DS1881

Dual NV Audio Taper Digital Potentiometer

Maxim Integrated 

Dual NV Audio Taper Digital Potentiometer

Potentiometer Wiper Setting

If 00 or 01 are the values of the two MSBs of the

Command Byte, then the wiper settings of the poten-

tiometers are to be programmed. The lower 6 LSBs of

the Command Byte are then used to store the wiper

settings for the selected potentiometer. See below for

the potentiometer wiper setting details.

POTENTIOMETER WIPER REGISTER

Factory Default:

Memory Type:

XX111111b

NV (EEPROM)

0

X

WIPER SETTING

b7

b6

b5

b4

b3

b2

b1

b0

bits 7, 6

bits 5–0

Configuration Selection: Selects which potentiometer will be programmed.

00 = Potentiometer 0 will be programmed.

01 = Potentiometer 1 will be programmed.

These bits determine the wiper setting of the selected potentiometer. Available wiper settings are determined by

the attenuation option as described in the Configuration Register section.

10 ____________________________________________________________________

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