參數(shù)資料
型號: X9260US24Z
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Dual Digitally-Controlled Potentiometers
中文描述: DUAL 50K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24
封裝: 0.300 INCH, ROHS COMPLIANT, PLASTIC, MS-013AD, SOIC-24
文件頁數(shù): 13/23頁
文件大小: 346K
代理商: X9260US24Z
13
FN8170.3
August 29, 2006
Global Transfer Wiper Counter Register (WCR) to Data Register (DR)
Transfer Wiper Counter Register (WCR) to Data
Register (DR)
Transfer Data Register (DR) to Wiper Counter Reg-
ister (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) WPx refers to wiper position data in the 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).
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0 A1 A0 1
Instruction
Opcode
0
DR
Addresses
0 RB RA 0
CS
Rising
Edge
HIGH-VOLTAGE
WRITE CYCLE
0
1
0
0
0
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0 A1 A0 1
Instruction
Opcode
1
DR and WCR
Addresses
0 RB RA
CS
Rising
Edge
HIGH-VOLTAGE
WRITE CYCLE
0
1
0
1
0
P0
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0 0 A1 A0 1 1 0 1 RB RA
Instruction
Opcode
DR and WCR
Addresses
CS
Rising
Edge
0
1
0
P0
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0 A1 A0 0
Instruction
Opcode
0
WCR
Addresses
X X
Increment/Decrement
(Sent by Master on SDA)
0 P0 I/D
I/D
CS
Rising
Edge
0
1
0
1
0
.
.
.
.
I/D I/D
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0
A1 A0 0
Instruction
Opcode
1
WCR
Addresses
0
0
Data Byte
(Sent by X9260 on SO)
0
0
0
0
CS
Rising
Edge
0
1
0
0
1
0
1
0
0
0
WIP
X9260
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