X9110_08 INTERSIL [Intersil Corporation], X9110_08 Datasheet - Page 8

• Manufacturer Part Number: X9110_08
• Description: Dual Supply/Low Power/1024-Tap/SPI Bus
• Manufacturer: INTERSIL [Intersil Corporation]

NOTE: 1/0 = data is one or zero
Instruction Format
Read Wiper Counter Register (WCR)
Write Wiper Counter Register (WCR)
Read Data Register (DR)
Falling
Falling
Falling
Read Wiper Counter
Register
Write Wiper Counter
Register
Read Data Register
Write Data Register
XFR Data Register to
Wiper Counter Register
XFR Wiper Counter
Register to Data Register
Read Status (WIP bit)
Edge
Edge
Edge
CS
CS
CS
Device Type
Device Type
Device Type
0
0
0
INSTRUCTION
Identifier
Identifier
Identifier
1
1
1
0
0
0
1
1
1
0
0
0
Addresses
Addresses
Addresses
Device
0 A0
0 A0
0 A0
Device
Device
8
R/W
1
0
1
0
1
0
1
1
1
Instruction
1
Instruction
Opcode
Instruction
Opcode
Opcode
0
0
I
1
1
0
1
1
1
1
0
2
0
1
1
0
0
I
0
0
0
1
1
1
1
0 RB RA 0
1
0
0
Addresses
Addresses
TABLE 6. INSTRUCTION SET
Register
Register
Addresses
0
0
Register
I
0
1
1
0
0
1
0
0
INSTRUCTION SET
0
0
0 X X X X X X
0 X X X X X X
0
0
0
0
0
0
0
0
X9110
0 X X X X X X
(Sent by X9110 on SO)
(Sent by Master on SI)
RB
1/0
1/0
1/0
1/0
0
0
0
(Sent by X9110 on SO)
Wiper Position
Wiper Position
Wiper Position
RA
1/0
1/0
1/0
1/0
0
0
0
0
0
0
0
0
0
0
0
W
C
R
9
W
C
R
9
W
C
R
W
9
C
R
8
W
C
R
8
0
0
0
0
0
0
0
1
W
C
R
W
8
C
R
7
W
C
R
7
(sent by X9110 on SO)
(Sent by Master on SI)
W
Read the contents of the Wiper Counter
Register
Write new value to the Wiper Counter
Register
Read the contents of the Data Register
pointed to RB-RA
Write new value to the Data Register
pointed to RB-RA
Transfer the contents of the Data Register
pointed to by RB-RA to the Wiper Counter
Register
Transfer the contents of the Wiper Counter
Register to the Data Register pointed to by
RB-RA
Read the status of the internal write cycle,
by checking the WIP bit (read status
register).
C
R
W
7
C
R
6
W
C
R
6
(sent by X9110 on SO)
Wiper Position
W
Wiper Position
C
R
W
6
C
R
5
W
C
R
5
Wiper Position
W
C
R
W
5
C
R
4
W
C
R
4
W
C
R
W
4
C
R
3
W
C
R
3
W
OPERATION
C
R
3
W
C
R
2
W
C
R
2
W
C
R
2
W
C
R
1
W
C
R
1
W
C
R
W
1
C
R
0
W
C
R
0
W
C
R
0
Rising
Edge
Rising
Edge
CS
CS
February 13, 2008
Rising
Edge
CS
FN8158.3