X9438 Datasheet, PDF (7/18 Pages) Intersil Corporation – Dual Digitally Controlled Potentiometer (XDCP) with Operational Amplifier

X9438
Figure 6. Instruction Set (continued)
Transfer Data Register to Wiper Counter Register
Transfer the contents of the Register pointed to by R₁ - R₀ to the WCR pointed to by P₀.
S device type
T identifier
device
addresses
S
instruction
opcode
WCR/DR
addresses
SS
A
R
T
0
1
0
1
A
3
A
2
A
1
A
AC
0K
1
1
0
1
R
1
R
0
0
P
0
AT
CO
KP
Transfer Wiper Counter Register to Data Register
Transfer the contents of the WCR pointed to by P₀ to the Register pointed to by R₁ - R₀.
S device type
T identifier
A
R0 _{1 0 1}
T
device
addresses
S
A
instruction
opcode
WCR/DR
addresses
SS
AT
A
3
A
2
A
1
A
0
C
K
1
1
1
0
RR
10
0
P
0
CO
KP
HIGH-VOLTAGE
WRITE CYCLE
Global Transfer Data Register to Wiper Counter Register
Transfer the contents of all four Data Registers pointed to by R₁ - R₀ to their respective WCR.
S device type device
instruction
DR
T
A
R
T
identifier
0101
addresses
AAAA
3210
S
A
C
K
opcode
0001
addresses
R
1
R
0
0
0
S
A
C
K
S
T
O
P
Global Transfer Wiper Counter Register to Data Register
Transfer the contents of all WCRs to their respective data Registers pointed to by R₁ - R₀.
S device type device _S instruction
DR
SS
T
A
R
T
identifier
0101
addresses
AAAA
3210
A
C
K
opcode
1000
addresses
R
1
R
0
0
0
A
C
K
T
O
P
HIGH-VOLTAGE
WRITE CYCLE
Increment/Decrement Wiper Counter Register
Enable Increment/decrement of the WCR pointed to by P₀.
S device type device
instruction
WCR
increment/decrement
T
A
R
T
identifier
0101
addresses
AAAA
3210
S
A
C
K
opcode
0010
addresses
0
0
0
P
0
S
A
C
K
(sent by master on SDA)
I/
D
I/
D
.
.
.
.
I/ I/
DD
S
T
O
P
P0: 0 or 1 only.
7
FN8199.0
March 11, 2005