X9279 Xicor, X9279 Datasheet - Page 12

• Manufacturer Part Number: X9279
• Description: Single Digitally-Controlled (XDCP) Potentiometer
• Manufacturer: Xicor

X9279
INSTRUCTION FORMAT
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Write Data Register (DR)
Transfer Wiper Counter Register (WCR) to Data Register (DR)
REV 1.1.7 2/6/03
S
A
R
S
A
R
S
A
R
S
A
R
S
A
R
T
T
T
T
T
T
T
T
T
T
0
0
0
0
0
Device Type
Device Type
Device Type
Device Type
Device Type
Identifier
Identifier
Identifier
Identifier
Identifier
1
1
1
1
1
0
0
0
0
0
1
1
1
1
1
0 A 2 A 1 A 0
0 A 2 A 1 A 0
0 A 2 A 1 A 0
0 A 2 A 1 A 0
0 A 2 A 1 A 0
Addresses
Addresses
Addresses
Addresses
Addresses
Device
Device
Device
Device
Device
C
S
A
K
C
C
S
A
C
K
S
A
K
S
A
C
K
S
A
K
1 0 1 0 0 0 0 0
1 1 0 0 RB RA P1 P0
1 1 1 0 RB RA 0 0
1 0 0 1 0 0 0 0
1 0 1 1 RB RA P1 P0
Instruction
Instruction
Instruction
Instruction
Instruction
Opcode
Opcode
Opcode
Opcode
Opcode
www.xicor.com
Addresses S
Addresses S
DR/Bank
DR/Bank
Addresses
Addresses
DR/Bank
Addresses
DR/Bank
DR/Bank
A
C
K
A
C
K
W
C
R
C
W
(Sent by Master on SDA) S
S
A
K
C
R
7
(Sent by X9279 on SDA) M
7
C
S
A
K
S
A
C
K
W
O
C
R
S
P
W
6
T
C
R
6
(Sent by Master on SDA) S
W
C
R
7
Wiper Position
W
C
R
Wiper Position
7
(Sent by X9279 on SDA) M
W
C
R
W
C
R
5
5
HIGH-VOLTAGE
W
Characteristics subject to change without notice.
C
R
6
WRITE CYCLE
W
C
R
6
Wiper Position
W
C
R
W
4
C
R
4
Wiper Position
W
C
R
5
W
C
R
5
W
C
R
W
C
R
3
3
W
C
R
4
W
C
R
4
W
C
R
W
2
C
R
2
W
C
R
3
W
C
R
3
W
C
R
W
C
R
1
1
W
C
R
2
W
C
R
2
W
C
R
W
0
C
R
0
W
C
R
1
W
C
R
1
C
A
K
C
A
K
W
C
R
0
W
C
R
0
O
S
P
O
T
S
P
T
C
A
K
C
A
K
O
S
T
P
O
S
P
T
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