參數(shù)資料
型號(hào)： X9401YS24-2.7
廠商： INTERSIL CORP
元件分類： 數(shù)字電位計(jì)
英文描述： QUAD 2.5K DIGITAL POTENTIOMETER, 3-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO24
封裝： PLASTIC, SOIC-24
文件頁數(shù)： 19/20頁
文件大?。?/td> 360K
代理商： X9401YS24-2.7
8
FN8190.1
March 31, 2005
Instruction Format
Notes: (1) “A1 ~ A0”: stands for the device addresses sent by the master.
(2) WPx refers to wiper position data in the Counter Register
(3) “I”: stands for the increment operation, SI held HIGH during active SCK phase (high).
(4) “D”: stands for the decrement operation, SI held LOW during active SCK phase (high).
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Write Data Register (DR)
Transfer Data Register (DR) to Wiper Counter Register (WCR)
CS
Falling
Edge
device type
identifier
device
addresses
instruction
opcode
WCR
addresses
wiper position
(sent by X9401 on SO)
CS
Rising
Edge
010
100
A
1
A
0
100
1
00
P
1
P
0
00
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
CS
Falling
Edge
device type
identifier
device
addresses
instruction
opcode
WCR
addresses
Data Byte
(sent by Host on SI)
CS
Rising
Edge
010
100
A
1
A
0
101
0
00
P
1
P
0
00
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
CS
Falling
Edge
device type
identifier
device
addresses
instruction
opcode
DR and WCR
addresses
Data Byte
(sent by X9401 on SO)
CS
Rising
Edge
01010
0
A
1
A
0
1011
R
1
R
0
P
1
P
0
00
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
CS
Falling
Edge
device type
identifier
device
addresses
instruction
opcode
DR and WCR
addresses
Data Byte
(sent by host on SI)
CS
Rising
Edge
HIGH-VOLTAGE
WRITE CYCLE
01010 0
A
1
A
0
110 0
R
1
R
0
P
1
P
0
00
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
CS
Falling
Edge
device type
identifier
device
addresses
instruction
opcode
DR and WCR
addresses
CS
Rising
Edge
0101 00
A
1
A
0
11 01
R
1
R
0
P
1
P
0
X9401
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