參數(shù)資料
型號: X9271UV
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)字控制(數(shù)字電位器)電位
文件頁數(shù): 12/23頁
文件大?。?/td> 403K
代理商: X9271UV
X9271
Characteristics subject to change without notice.
12 of 23
REV 1.1.7 2/6/03
www.xicor.com
Transfer Data Register (DR) to Wiper Counter Register (WCR)
Increment/Decrement Wiper Counter Register (WCR)
Read Status Register (SR)
Notes:
(1) “A1 ~ A0”: stands for the device addresses sent by the master.
(2) WCRx refers to wiper position data in the Wiper Counter Register
(2) “I”: stands for the increment operation, SI held HIGH during active SCK phase (high).
(3) “D”: stands for the decrement operation, SI held LOW during active SCK phase (high).
(4) “X:”: Don’t Care.
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0 0
Instruction
Opcode
1 1 0 1
DR/Bank
Addresses
RB
RA
CS
Rising
Edge
0
1
A1
A0
0
0
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0
A1
Instruction
Opcode
0
0
DR/Bank
Addresses
X X
Increment/Decrement
(Sent by Master on SDA)
I/D I/D
.
.
CS
Rising
Edge
0
1
0
A0
1
0
0
0
.
.
I/D
I/D
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0
A1
Instruction
Opcode
0
1
DR/Bank
Addresses
0
0
Data Byte
(Sent by X9271 on SO)
0
0
0
0
CS
Rising
Edge
0
1
0
A0
0
1
0
1
0
0
0
WIP
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