X9409_15 Datasheet, PDF (13/19 Pages) Intersil Corporation – Low Noise/Low Power/2-Wire Bus Quad Digita Controlled Potentiometers

X9409
Read Wiper Counter Register (WCR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
S
A
C
0 1 0 1 A3 A2 A1 A0 _K
INSTRUCTION
OPCODE
100 1
WCR
ADDRESSES
S
A
WIPER POSITION
(SENT BY SLAVE ON SDA)
MS
AT
0
C
0 P1 P0 _K
0
0
WWWWWW
P5 P4 P3 P2 P1 P0
C
K
O
P
Write Wiper Counter Register (WCR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
S
A
C
0 1 0 1 A3 A2 A1 A0 _K
INSTRUCTION
OPCODE
1010
WCR
ADDRESSES
S
A
C
0 0 P1 P0 _K
0
WIPER POSITION
(SENT BY MASTER ON SDA)
S
A
0
WWWWWW
P5 P4 P3 P2 P1 P0
C
K
S
T
O
P
Read Data Register (DR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
S
A
C
0 1 0 1 A3 A2 A1 A0 _K
INSTRUCTION
OPCODE
1011
DR AND WCR
ADDRESSES
R1 R0 P1 P0
S
A
C
K
0
WIPER POSITION
(SENT BY SLAVE ON SDA)
M
A
0
WWWWWW
P5 P4 P3 P2 P1 P0
C
K
S
T
O
P
Write Data Register (DR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
0101
DEVICE
ADDRESSES
S
A
INSTRUCTION
OPCODE
DR AND WCR
ADDRESSES
S
A
C
C
A3 A2 A1 A0 _K 1 1 0 0 R1 R0 P1 P0 _K
0
WIPER POSITION
(SENT BY MASTER ON SDA)
0
WWWWW
P5 P4 P3 P2 P1
W
P0
SS
AT
CO
KP
Transfer Data Register (DR) to Wiper Counter Register (WCR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
S
A
C
0 1 0 1 A3 A2 A1 A0 _K
INSTRUCTION
OPCODE
1101
DR AND WCR
ADDRESSES
R1 R0 P1 P0
S
A
C
K
S
T
O
P
HIGH-VOLTAGE
WRITE CYCLE
Write Wiper Counter Register (WCR) to Data Register (DR)
S DEVICE TYPE
DEVICE
INSTRUCTION
DR AND WCR
T
A
R
T
IDENTIFIER
ADDRESSES
S
A
C
0 1 0 1 A3 A2 A1 A0 _K
OPCODE
1110
ADDRESSES
R1 R0 P1 P0
S
A
C
K
S
T
O
P
HIGH-VOLTAGE
WRITE CYCLE
Increment/Decrement Wiper Counter Register (WCR)
S
T
A
R
T
DEVICE TYPE
IDENTIFIER
DEVICE
ADDRESSES
S
A
C
0 1 0 1 A3 A2 A1 A0 _K
INSTRUCTION
OPCODE
0010
WCR
ADDRESSES
S
A
INCREMENT/DECREMENT
(SENT BY MASTER ON SDA)
S
T
C
O
0 0 P1 P0 _K I/D I/D . . . . I/D I/D _P
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FN8192.6
September 3, 2015