參數(shù)資料
型號(hào): X9420WPM-2.7
廠(chǎng)商: INTERSIL CORP
元件分類(lèi): 數(shù)字電位計(jì)
英文描述: Single Digitally Controlled (XDCP) Potentiometer
中文描述: 10K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDIP16
封裝: PLASTIC, DIP-16
文件頁(yè)數(shù): 7/20頁(yè)
文件大?。?/td> 113K
代理商: X9420WPM-2.7
X9420
Characteristics subject to change without notice.
7 of 20
REV 1.1.6 7/30/02
www.xicor.com
Table 3. Instruction Set
Instruction
Read Wiper Counter
Register
Write Wiper Counter
Register
Read Data Register
Instruction Set
I
1
I
0
0
1
Operation
I
3
1
I
2
0
R
1
0
R
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
1
0
1
1
R
1
R
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
Transfer the contents of the Data Register pointed
to by R
1
–R
0
to the Wiper Counter Register
Write Data Register
1
1
0
0
R
1
R
0
0
0
XFR Data Register to
Wiper Counter
Register
XFR Wiper Counter
Register to Data
Register
Increment/Decrement
Wiper Counter
Register
Read Status (WIP bit)
1
1
0
1
R
1
R
0
0
0
1
1
1
0
R
1
R
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
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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