X9271TB XICOR [Xicor Inc.], X9271TB Datasheet - Page 11
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X9271TB
Manufacturer Part Number
X9271TB
Description
Single Digitally-Controlled (XDCP) Potentiometer
Manufacturer
XICOR [Xicor Inc.]
Datasheet
1.X9271TB.pdf
(23 pages)
X9271
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
Falling
Falling
Falling
Falling
Falling
Edge
Edge
Edge
Edge
Edge
CS
CS
CS
CS
CS
Device Type
Device Type
Device Type
Device Type
0
0
0
0 1 0 1 0 0 A1 A0 1 1 0 0 RB RA P1 P0 D7 D 6 D5 D4 D3 D2 D1 D0
0
Device Type
Identifier
Identifier
Identifier
Identifier
Identifier
1
1
1
1
0
0
0
0
1 0 0 A1 A0 1 0 0 1 0 0
1 0 0 A1 A0 1 0 1 0 0 0
1 0 0 A1 A0 1 0 1 1 RB RA P1 P0 D7 D 6 D5 D4 D3 D2 D1 D0
1 0 0 A1 A0 1 1 1 0 RB
Addresses
Addresses
Addresses
Addresses
Addresses
Device
Device
Device
Device
Device
Instruction
Instruction
Instruction
Opcode
Instruction
Opcode
Instruction
Opcode
Opcode
Opcode
www.xicor.com
Addresses
Addresses
Addresses
DR/Bank
Addresses
DR/Bank
DR/Bank
DR/Bank
Addresses
DR/Bank
RA
0
0
0
0
0
W
W
C
R
C
R
7
7
(Sent by X9271 on SO)
0
(Sent by Host on SI)
W
W
C
R
C
R
6
6
Rising
Wiper Position
Edge
W
W
C
R
C
R
CS
5
5
(Sent by X9271 on SO)
Data Byte
(Sent by Host on SI)
W
W
C
R
C
R
4
4
Characteristics subject to change without notice.
W
W
C
R
C
R
Data Byte
3
3
HIGH-VOLTAGE
Data Byte
WRITE CYCLE
W
W
C
R
C
R
2
2
W
W
C
R
C
R
1
1
W
W
C
R
C
R
0
0
Rising
Rising
Edge
Edge
CS
CS
Rising
Edge
Rising
Edge
CS
CS
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