X9250_06 Datasheet, PDF (10/20 Pages) Intersil Corporation – Quad Digitally Controlled Potentiometers

X9250
Transfer Wiper Counter Register (WCR) to Data Register (DR)
device type device
CS _identifier
Falling
addresses
Edge
010100
A
1
A
0
instruction
opcode
1110
DR and WCR
addresses
RRPP
1010
CS
Rising
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
increment/decrement
(sent by master on SI)
X
X
P
1
P
0
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
device type device instruction
Data Byte
CS ^{identifier addresses opcode}
(sent by X9250 on SO) _CS
Falling
Edge
0
1
0
1
0
0
A
1
A
0
0
1
0
1
0
0
0
1
0
0
0
0
0
0
0
W ^Rising
I ^Edge
P
10
FN8165.3
August 29, 2006