X9259 Xicor, X9259 Datasheet - Page 12

• Manufacturer Part Number: X9259
• Description: Quad Digitally-Controlled (XDCP) Potentiometers
• Manufacturer: Xicor

X9259
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)
REV 1.2.3 4/30/02
S
A
R
S
A
R
S
A
R
S
A
R
R
T
T
T
T
T
T
T
T
S
T
A
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
S
A
C
K
S
A
C
K
C
S
A
C
K
S
A
K
S
A
C
K
1 1 0 0 RB RA P1 P0
1 0 0 1 0 0 P1 P0
1 0 1 1 RB RA P1 P0
Instruction
1 0 1 0 0 0 P1 P0
Instruction
Instruction
Instruction
Opcode
Opcode
Opcode
Opcode
0 0 0 1 RB RA
Instruction
Opcode
www.xicor.com
Addresses
Addresses
Addresses
DR/WCR
DR/WCR
DR/WCR
Addresses
DR/WCR
Addresses
DR/WCR
0
S
A
C
K
S
A
C
K
S
A
C
K
S
A
C
K
0
W
W
C
R
C
R
7
(Sent by Master on SDA) S
7
(Sent by X9259 on SDA) M
(Sent by Master on SDA) S
W
C
R
7
W
C
R
(Sent by X9259 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
5
O
S
T
P
Wiper Position
Characteristics subject to change without notice.
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
A
C
K
A
C
K
A
C
K
O
S
P
T
O
O
S
T
P
S
T
P
O
S
T
P
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