參數(shù)資料
型號: X9460
廠商: Intersil Corporation
元件分類: 數(shù)字電位計
英文描述: Dual Audio Control Digitally Controlled Potentiometer
中文描述: 雙音頻控制數(shù)字電位器
文件頁數(shù): 7/16頁
文件大?。?/td> 308K
代理商: X9460
7
FN8203.2
October 17, 2005
Notes: “1/0” = data is one or zero
TABLE 4. COMMAND SET
INSTRUCTION
INSTRUCTION SET
OPERATION
I
3
I
2
I
1
I
0
X
Z
D
RT
LT
Read Wiper
LSB of Slave Byte=1, no command required
Slave will return Left then Right Data( not to be used with more
than one device on the 2-wire bus)
Write Left Wiper Counter
1
0
1
0
0
1/0
0
1
Write new value to the Wiper Counter Register
Write Right Wiper Counter
1
0
1
0
0
1/0
1
0
Write new value to the Wiper Counter Register
Write Both Wiper Counters
1
0
1
0
0
1/0
1
1
Write new value to the Wiper Counter Register
Inc/Dec Left Wiper Counter
0
0
1
0
0
1/0
0
1
Enable Increment/decrement of the Control Latch
Inc/Dec Right Wiper Counter
0
0
1
0
0
1/0
1
0
Enable Increment/decrement of the Control Latch
Inc/Dec Both Wiper Counters
0
0
1
0
0
1/0
1
1
Enable Increment/decrement of the Control Latch
S
T
A
R
T
0
1
0
1
0
A1
A0
R/W A
C
K
0
0
0
SCL
SDA
S
T
O
P
A
C
K
0
0
0
LEFT POT
DATA BYTE
RIGHT POT
DATA BYTE
DEVICE TYPE
IDENTIFIER
1
0
0
0
0
0
0
A
C
K
W
C
R
4
W
C
R
3
W
C
R
2
W
C
R
1
W
C
R
0
W
C
R
4
W
C
R
3
W
C
R
2
W
C
R
1
W
C
R
0
FIGURE 4. THREE-BYTE COMMAND SEQUENCE (READ, SINGLE DEVICE ON THE 2-WIRE BUS ONLY)
S
T
A
R
T
0
1
0
1
0
A1
A0
R/W A
C
K
I3
I2
I1
I0
0
ZD
RT LT
A
C
K
SCL
SDA
S
T
O
P
A
C
K
0
0
0
INSTRUCTION BYTE
RIGHT or LEFT POT
DATA BYTE
DEVICE TYPE
IDENTIFIER
0
1
0
1
0
0
0
0
0
W
C
R
4
W
C
R
3
W
C
R
2
W
C
R
1
W
C
R
0
FIGURE 5. THREE-BYTE COMMAND SEQUENCE (WRITE)
X9460
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