x9268us24c7979 Intersil Corporation, x9268us24c7979 Datasheet - Page 13

• Manufacturer Part Number: x9268us24c7979
• Description: Dual Digitally Controlled Xdcp? Potentiometers
• Manufacturer: Intersil Corporation

INSTRUCTION FORMAT
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Write Data Register (DR)
Global XFR Data Register (DR) to Wiper Counter Register (WCR)
R
S
A
R
S
A
R
S
A
R
S
T
A
T
S
A
R
T
T
T
T
T
T
T
T
Device Type
Device Type
Device Type
Device Type
0 1 0 1 A3 A2 A1 A0
0
0
0
0
Device Type
Identifier
Identifier
Identifier
Identifier
Identifier
1
1
1
1
0
0
0
0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
1 A3 A2 A1 A0
Addresses
Addresses
Addresses
Addresses
Device
Addresses
Device
Device
Device
Device
13
S
A
C
K
C
S
A
K
C
S
A
C
K
S
A
K
S
A
C
K
1 1 0 0 RB RA 0 P0
1 0 0 1 0 0
1 0 1 0 0 0
1 0 1 1 RB RA
Instruction
Instruction
Instruction
Instruction
Opcode
Opcode
Opcode
Opcode
0 0 0 1 RB RA
Instruction
Opcode
Addresses
Addresses
Addresses
DR/WCR
DR/WCR
DR/WCR
Addresses
DR/WCR
X9268
Addresses
DR/WCR
0
0
0
P0
P0
0
P0
S
A
C
K
S
A
C
K
S
A
C
K
S
A
C
K
W
W
0
C
R
(Sent by Master on SDA) S
C
R
(Sent by X9268 on SDA) M
7
7
(Sent by Master on SDA) S
W
C
R
7
W
C
R
(Sent by X9268 on SDA) M
7
W
W
C
R
C
R
6
6
W
C
R
S
A
C
K
6
Wiper Position
Wiper Position
Wiper Position
W
C
R
6
W
W
C
R
C
R
5
5
W
C
R
O
5
S
T
P
Wiper Position
W
C
R
5
W
W
C
R
C
R
W
4
4
C
R
4
W
C
R
4
W
W
C
R
C
R
W
3
3
C
R
3
W
C
R
3
W
W
W
C
R
C
R
C
R
2
2
2
W
C
R
2
W
W
W
C
R
C
R
C
R
1
1
1
W
C
R
1
W
W
W
C
R
C
R
C
R
0
0
0
W
C
R
0
C
A
K
C
C
A
K
A
K
A
C
K
O
S
T
P
O
O
S
T
P
S
T
P
O
S
P
T
August 29, 2006
FN8172.4