參數(shù)資料
型號: X9261TS24
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計
英文描述: Single Supply/Low Power/256-Tap/SPI Bus
中文描述: DUAL 100K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 256 POSITIONS, PDSO24
封裝: 0.300 INCH, PLASTIC, MS-013AD, SOIC-24
文件頁數(shù): 12/21頁
文件大?。?/td> 400K
代理商: X9261TS24
12
FN8171.2
September 14, 2005
Write Data Register (DR)
Global Transfer Data Register (DR) to Wiper Counter Register (WCR)
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 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) 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
Device
Addresses
Instruction
Opcode
DR and WCR
Addresses
Data Byte
(Sent by Host on SI)
CS
Rising
Edge
H
W
0
1
0
1
0 0 A1 A0 1 1 0 0 RB RA
0 P0 D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
CS
Falling
Edge
Device Type
Identifier
0
1
Device
Addresses
0
Instruction
Opcode
0
DR
Addresses
RB RA
CS
Rising
Edge
0
1
0
A1 A0 0
0
1
0
0
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 X9261 on SO)
0
0
0
0
CS
Rising
Edge
0
1
0
0
1
0
1
0
0
0
WIP
X9261
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