DS2890V 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS2890V

1-Wire® Digital Potentiometer

Dallas Semiconductor -> Maxim Integrated 

Figure 2. 1-WIRE COMMAND HIERARCHICAL STRUCTURE

DS2890

DATA I/O BIT ORDER

All data is read and written least significant bit (LSB) first.

POTENTIOMETER FEATURE REGISTER

Although the feature set of the DS2890 is primarily fixed, a mechanism to identify feature characteristics

of future 1-Wire potentiometers has been developed and implemented in the DS2890. As shown in

Figure 3, the feature register is an encoded read-only byte that describes the characteristics of the DS2890

and future 1-Wire potentiometers. Feature values that correspond to the DS2890 are highlighted. The

feature register is read with the READ CONTROL REGISTER potentiometer function command (see

“POTENTIOMETER FUNCTION COMMANDS”).

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