參數(shù)資料
型號(hào): X9421YS-2.7
元件分類: 數(shù)字電位計(jì)
英文描述: Single Digitally Controlled (XDCP) Potentiometer
中文描述: 單數(shù)控(數(shù)字電位器)電位
文件頁數(shù): 9/21頁
文件大?。?/td> 117K
代理商: X9421YS-2.7
X9421
REV 1.1.6 8/1/02
Characteristics subject to change without notice.
9 of 21
www.xicor.com
Table 3. Instruction Set
Instruction
Read Wiper Counter
Register
Write Wiper Counter
Register
Instruction Set
I
1
I
0
Operation
I
3
I
2
R
1
R
0
1
0
0
1
0
0
0
0
Read the contents of the Wiper Counter Register
1
0
1
0
0
0
0
0
Write new value to the Wiper Counter Register
Read Data Register
1
0
1
1
1/0
1/0
0
0
Read the contents of the Data Register pointed to
by R
1
–R
0
Write new value to the Data Register pointed to by
R
1
–R
0
Write Data Register
1
1
0
0
1/0
1/0
0
0
XFR Data Register to
Wiper Counter
Register
XFR Wiper Counter
Register to Data
Register
Increment/Decrement
Wiper Counter
Register
1
1
0
1
1/0
1/0
0
0
Transfer the contents of the Data Register pointed
to by R
1
–R
0
to the Wiper Counter Register
1
1
1
0
1/0
1/0
0
0
Transfer the contents of the Wiper Counter
Register to the Data Register pointed to by R
1
–R
0
0
0
1
0
0
0
0
0
Enable Increment/decrement of the Wiper Counter
Register
Read Status (WIP bit)
0
1
0
1
0
0
0
1
Read the status of the internal write cycle, by
checking the WIP bit.
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