X9401_06 Datasheet, PDF (9/19 Pages) Intersil Corporation – Quad, 64 Tap, Digitally Controlled Potentiometer

X9401
Transfer Wiper Counter Register (WCR) to Data Register (DR)
device type device instruction DR and WCR
CS _{identifier addresses opcode}
Falling
addresses ^CS
Rising
Edge
0
1
0
1
0
0
AA
10
1
1
1
0
R
1
R
0
P
1
P
0
Edge
HIGH-VOLTAGE
WRITE CYCLE
Increment/Decrement Wiper Counter Register (WCR)
CS
Falling
Edge
device type
identifier
0101
device
addresses
0
0
A
1
A
0
instruction
opcode
0010
WCR
addresses
X
X
P
1
P
0
increment/decrement
(sent by master on SDA)
I/
D
I/
D
.
.
.
.
I/
D
I/
D
CS
Rising
Edge
Global Transfer Data Register (DR) to Wiper Counter Register (WCR)
CS
Falling
Edge
device type
identifier
0101
device
addresses
0
0
A
1
A
0
instruction
opcode
0001
DR
addresses
R
1
R
0
0
0
CS
Rising
Edge
Global Transfer Wiper Counter Register (WCR) to Data Register (DR)
device type device instruction
DR
CS _{identifier addresses opcode addresses} CS
Falling
Rising
Edge
0
1
0
1
0
0
AA
10
1
0
0
0
RR
10
0
0
Edge
HIGH-VOLTAGE
WRITE CYCLE
Read Status
CS
Falling
Edge
device type
identifier
0101
device
addresses
0
0
A
1
A
0
instruction
opcode
0101
wiper
addresses
0001
Data Byte
(sent by X9401 on SO) _CS
W ^Rising
0 0 0 0 0 0 0 I ^Edge
P
9
FN8190.3
October 12, 2006