x9438 Intersil Corporation, x9438 Datasheet - Page 7

• Manufacturer Part Number: x9438
• Description: Dual Digitally Controlled Potentiometer Xdcp With Operational Amplifier
• Manufacturer: Intersil Corporation

Figure 6. Instruction Set (continued)
Transfer Data Register to Wiper Counter Register
Transfer the contents of the Register pointed to by R
Transfer Wiper Counter Register to Data Register
Transfer the contents of the WCR pointed to by P
Global Transfer Data Register to Wiper Counter Register
Transfer the contents of all four Data Registers pointed to by R
Global Transfer Wiper Counter Register to Data Register
Transfer the contents of all WCRs to their respective data Registers pointed to by R
Increment/Decrement Wiper Counter Register
Enable Increment/decrement of the WCR pointed to by P
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 1 0 1
0 1 0 1
0 1 0 1
0 1 0 1
0 1 0 1
device type
device type
device type
device type
device type
identifier
identifier
identifier
identifier
identifier
A
A
A
A
A
3
3
3
3
3
addresses
addresses
addresses
addresses
addresses
device
device
device
device
device
A
A
A
A
A
2
2
2
2
2
A
A
A
A
A
1
1
1
1
1
7
A
A
0
A
A
A
0
0
0
0
S
A
C
K
S
A
C
K
S
A
C
K
S
A
C
K
S
A
C
K
1 1 0 1
1 1 1 0
0 0 0 1
1 0 0 0
0 0 1 0 0 0 0
instruction
instruction
instruction
instruction
instruction
opcode
opcode
opcode
opcode
opcode
R
R
R
R
0
1
1
1
1
addresses
addresses
addresses
addresses
addresses
WCR/DR
WCR/DR
to the Register pointed to by R
1
WCR
R
R
R
R
0
0
0
0
DR
DR
- R
0
0
0 0
0 0
X9438
0
0
.
to the WCR pointed to by P
P
P
P
0
0
0
1
S
A
C
K
S
A
C
K
S
A
C
K
S
A
C
K
S
A
C
K
- R
O
O
O
O
D
S
P
S
T
P
S
T
P
S
T
P
T
I/
0
(sent by master on SDA)
to their respective WCR.
P0: 0 or 1 only.
increment/decrement
D
I/
HIGH-VOLTAGE
WRITE CYCLE
HIGH-VOLTAGE
WRITE CYCLE
.
.
.
1
- R
1
.
- R
0
0
.
.
D
I/
0
.
D
I/
O
S
T
P
March 11, 2005
FN8199.0