參數(shù)資料
型號(hào): X9429YV14
廠商: INTERSIL CORP
元件分類: 數(shù)字電位計(jì)
英文描述: Single Digitally Controlled Potentiometer
中文描述: 2.5K DIGITAL POTENTIOMETER, 2-WIRE SERIAL CONTROL INTERFACE, 64 POSITIONS, PDSO14
封裝: 4.40 MM, PLASTIC, TSSOP-14
文件頁數(shù): 11/21頁
文件大小: 367K
代理商: X9429YV14
11
FN8248.2
October 19, 2005
Instruction Format
Notes: (1)
(2)
(3)
(4)
(5)
“MACK”/”SACK”: stands for the acknowledge sent by the master/slave.
“A3 ~ A0”: stands for the device addresses sent by the master.
“X”: indicates that it is a “0” for testing purpose but physically it is a “don’t care” condition.
“I”: stands for the increment operation, SDA held high during active SCL phase (high).
“D”: stands for the decrement operation, SDA held low during active SCL phase (high).
Read Wiper Counter Register (WCR)
S
T
A
R
T
Write Wiper Counter Register (WCR)
S
T
A
R
T
Read Data Register (DR)
S
T
A
R
T
Write Data Register (DR)
S
T
A
R
T
XFR Data Register (DR) to Wiper Counter Register (WCR)
S
T
A
R
T
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
S
A
C
K
wiper position
(sent by slave on SDA)
M
A
C
K
S
T
O
P
0
1
0
1
A
3
A
2
0
A
0
1
0
0
1
0
0
0
0
0
0
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
S
A
C
K
wiper position
(sent by master on SDA)
S
A
C
K
S
T
O
P
0
1
0
1
A
3
A
2
0
A
0
1
0
1
0
0
0
0
0
0
0
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
register
addresses
S
A
C
K
wiper position/data
(sent by slave on SDA)
M
A
C
K
S
T
O
P
0
1
0
1
A
3
A
2
0
A
0
1
0
1
1
R
1
R
0
0
0
0
0
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
register
addresses
S
A
C
K
wiper position/data
(sent by master on SDA)
S
A
C
K
S
T
O
P
HIGH-VOLTAGE
WRITE CYCLE
0 1 0 1
A
3
A
2
0
A
0
1 1 0 0
R
1
R
0
0 0
0 0
W
P
5
W
P
4
W
P
3
W
P
2
W
P
1
W
P
0
device type
identifier
device
addresses
S
A
C
K
instruction
opcode
register
addresses
S
A
C
K
S
T
O
P
0 1 0
1
A
3
A
2
0
A
0
1 1 0 1
R
1
R
0
0 0
X9429
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